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Commit e9b73ef9 authored by Linus Torvalds's avatar Linus Torvalds
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Merge bk://kernel.bkbits.net/gregkh/linux/usb-2.6 

into ppc970.osdl.org:/home/torvalds/v2.6/linux
parents 3bf8a198 075769bc
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Showing with 670 additions and 488 deletions
drivers/usb/class/usblp.c
View file @ e9b73ef9
......@@ -226,11 +226,21 @@ extern struct usb_driver usblp_driver;
static int usblp_ctrl_msg(struct usblp *usblp, int request, int type, int dir, int recip, int value, void *buf, int len)
{
int retval = usb_control_msg(usblp->dev,
int retval;
int index = usblp->ifnum;
/* High byte has the interface index.
Low byte has the alternate setting.
*/
if ((request == USBLP_REQ_GET_ID) && (type == USB_TYPE_CLASS)) {
index = (usblp->ifnum<<8)|usblp->protocol[usblp->current_protocol].alt_setting;
}
retval = usb_control_msg(usblp->dev,
dir ? usb_rcvctrlpipe(usblp->dev, 0) : usb_sndctrlpipe(usblp->dev, 0),
request, type | dir | recip, value, usblp->ifnum, buf, len, USBLP_WRITE_TIMEOUT);
dbg("usblp_control_msg: rq: 0x%02x dir: %d recip: %d value: %d len: %#x result: %d",
request, !!dir, recip, value, len, retval);
request, type | dir | recip, value, index, buf, len, USBLP_WRITE_TIMEOUT);
dbg("usblp_control_msg: rq: 0x%02x dir: %d recip: %d value: %d idx: %d len: %#x result: %d",
request, !!dir, recip, value, index, len, retval);
return retval < 0 ? retval : 0;
}
......@@ -440,6 +450,9 @@ static int usblp_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
goto done;
}
dbg("usblp_ioctl: cmd=0x%x (%c nr=%d len=%d dir=%d)", cmd, _IOC_TYPE(cmd),
_IOC_NR(cmd), _IOC_SIZE(cmd), _IOC_DIR(cmd) );
if (_IOC_TYPE(cmd) == 'P') /* new-style ioctl number */
switch (_IOC_NR(cmd)) {
......
drivers/usb/core/Makefile
View file @ e9b73ef9
......@@ -3,7 +3,7 @@
#
usbcore-objs := usb.o hub.o hcd.o urb.o message.o \
config.o file.o buffer.o driverfs.o
config.o file.o buffer.o sysfs.o
ifeq ($(CONFIG_PCI),y)
usbcore-objs += hcd-pci.o
......
drivers/usb/core/config.c
View file @ e9b73ef9
......@@ -465,23 +465,24 @@ int usb_get_configuration(struct usb_device *dev)
goto err2;
memset(dev->rawdescriptors, 0, length);
buffer = kmalloc(8, GFP_KERNEL);
buffer = kmalloc(USB_DT_CONFIG_SIZE, GFP_KERNEL);
if (!buffer)
goto err2;
desc = (struct usb_config_descriptor *)buffer;
for (cfgno = 0; cfgno < ncfg; cfgno++) {
/* We grab the first 8 bytes so we know how long the whole */
/* configuration is */
/* We grab just the first descriptor so we know how long
* the whole configuration is */
result = usb_get_descriptor(dev, USB_DT_CONFIG, cfgno,
buffer, 8);
buffer, USB_DT_CONFIG_SIZE);
if (result < 0) {
dev_err(ddev, "unable to read config index %d "
"descriptor\n", cfgno);
"descriptor/%s\n", cfgno, "start");
goto err;
} else if (result < 8) {
} else if (result < 4) {
dev_err(ddev, "config index %d descriptor too short "
"(expected %i, got %i)\n", cfgno, 8, result);
"(expected %i, got %i)\n", cfgno,
USB_DT_CONFIG_SIZE, result);
result = -EINVAL;
goto err;
}
......@@ -498,7 +499,7 @@ int usb_get_configuration(struct usb_device *dev)
bigbuffer, length);
if (result < 0) {
dev_err(ddev, "unable to read config index %d "
"descriptor\n", cfgno);
"descriptor/%s\n", cfgno, "all");
kfree(bigbuffer);
goto err;
}
......
drivers/usb/core/hcd.h
View file @ e9b73ef9
......@@ -243,13 +243,13 @@ extern void usb_hc_died (struct usb_hcd *hcd);
extern struct usb_device *usb_alloc_dev(struct usb_device *parent,
struct usb_bus *, unsigned port);
extern int usb_new_device(struct usb_device *dev);
extern void usb_choose_address(struct usb_device *dev);
extern void usb_disconnect(struct usb_device **);
extern void usb_choose_address(struct usb_device *dev);
extern void usb_release_address(struct usb_device *dev);
/* exported to hub driver ONLY to support usb_reset_device () */
extern int usb_get_configuration(struct usb_device *dev);
extern void usb_destroy_configuration(struct usb_device *dev);
extern int usb_set_address(struct usb_device *dev);
/* use these only before the device's address has been set */
#define usb_snddefctrl(dev) ((PIPE_CONTROL << 30))
......
drivers/usb/core/hub.c
View file @ e9b73ef9
......@@ -65,15 +65,15 @@ static inline char *portspeed (int portstatus)
#endif
/* for dev_info, dev_dbg, etc */
static inline struct device *hubdev (struct usb_device *dev)
static inline struct device *hubdev (struct usb_device *hdev)
{
return &dev->actconfig->interface[0]->dev;
return &hdev->actconfig->interface[0]->dev;
}
/* USB 2.0 spec Section 11.24.4.5 */
static int get_hub_descriptor(struct usb_device *dev, void *data, int size)
static int get_hub_descriptor(struct usb_device *hdev, void *data, int size)
{
return usb_control_msg(dev, usb_rcvctrlpipe(dev, 0),
return usb_control_msg(hdev, usb_rcvctrlpipe(hdev, 0),
USB_REQ_GET_DESCRIPTOR, USB_DIR_IN | USB_RT_HUB,
USB_DT_HUB << 8, 0, data, size, HZ * USB_CTRL_GET_TIMEOUT);
}
......@@ -81,27 +81,27 @@ static int get_hub_descriptor(struct usb_device *dev, void *data, int size)
/*
* USB 2.0 spec Section 11.24.2.1
*/
static int clear_hub_feature(struct usb_device *dev, int feature)
static int clear_hub_feature(struct usb_device *hdev, int feature)
{
return usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
return usb_control_msg(hdev, usb_sndctrlpipe(hdev, 0),
USB_REQ_CLEAR_FEATURE, USB_RT_HUB, feature, 0, NULL, 0, HZ);
}
/*
* USB 2.0 spec Section 11.24.2.2
*/
static int clear_port_feature(struct usb_device *dev, int port, int feature)
static int clear_port_feature(struct usb_device *hdev, int port, int feature)
{
return usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
return usb_control_msg(hdev, usb_sndctrlpipe(hdev, 0),
USB_REQ_CLEAR_FEATURE, USB_RT_PORT, feature, port, NULL, 0, HZ);
}
/*
* USB 2.0 spec Section 11.24.2.13
*/
static int set_port_feature(struct usb_device *dev, int port, int feature)
static int set_port_feature(struct usb_device *hdev, int port, int feature)
{
return usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
return usb_control_msg(hdev, usb_sndctrlpipe(hdev, 0),
USB_REQ_SET_FEATURE, USB_RT_PORT, feature, port, NULL, 0, HZ);
}
......@@ -110,16 +110,15 @@ static int set_port_feature(struct usb_device *dev, int port, int feature)
* for info about using port indicators
*/
static void set_port_led(
struct usb_device *dev,
struct usb_hub *hub,
struct usb_device *hdev,
int port,
int selector
)
{
int status = set_port_feature(dev, (selector << 8) | port,
int status = set_port_feature(hdev, (selector << 8) | port,
USB_PORT_FEAT_INDICATOR);
if (status < 0)
dev_dbg (&hub->intf->dev,
dev_dbg (hubdev (hdev),
"port %d indicator %s status %d\n",
port,
({ char *s; switch (selector) {
......@@ -137,12 +136,12 @@ static void set_port_led(
static void led_work (void *__hub)
{
struct usb_hub *hub = __hub;
struct usb_device *dev = interface_to_usbdev (hub->intf);
struct usb_device *hdev = interface_to_usbdev (hub->intf);
unsigned i;
unsigned changed = 0;
int cursor = -1;
if (dev->state != USB_STATE_CONFIGURED)
if (hdev->state != USB_STATE_CONFIGURED)
return;
for (i = 0; i < hub->descriptor->bNbrPorts; i++) {
......@@ -189,13 +188,13 @@ static void led_work (void *__hub)
}
if (selector != HUB_LED_AUTO)
changed = 1;
set_port_led(dev, hub, i + 1, selector);
set_port_led(hdev, i + 1, selector);
hub->indicator[i] = mode;
}
if (!changed && blinkenlights) {
cursor++;
cursor %= hub->descriptor->bNbrPorts;
set_port_led(dev, hub, cursor + 1, HUB_LED_GREEN);
set_port_led(hdev, cursor + 1, HUB_LED_GREEN);
hub->indicator[cursor] = INDICATOR_CYCLE;
changed++;
}
......@@ -206,10 +205,10 @@ static void led_work (void *__hub)
/*
* USB 2.0 spec Section 11.24.2.6
*/
static int get_hub_status(struct usb_device *dev,
static int get_hub_status(struct usb_device *hdev,
struct usb_hub_status *data)
{
return usb_control_msg(dev, usb_rcvctrlpipe(dev, 0),
return usb_control_msg(hdev, usb_rcvctrlpipe(hdev, 0),
USB_REQ_GET_STATUS, USB_DIR_IN | USB_RT_HUB, 0, 0,
data, sizeof(*data), HZ * USB_CTRL_GET_TIMEOUT);
}
......@@ -217,10 +216,10 @@ static int get_hub_status(struct usb_device *dev,
/*
* USB 2.0 spec Section 11.24.2.7
*/
static int get_port_status(struct usb_device *dev, int port,
static int get_port_status(struct usb_device *hdev, int port,
struct usb_port_status *data)
{
return usb_control_msg(dev, usb_rcvctrlpipe(dev, 0),
return usb_control_msg(hdev, usb_rcvctrlpipe(hdev, 0),
USB_REQ_GET_STATUS, USB_DIR_IN | USB_RT_PORT, 0, port,
data, sizeof(*data), HZ * USB_CTRL_GET_TIMEOUT);
}
......@@ -278,9 +277,9 @@ static void hub_irq(struct urb *urb, struct pt_regs *regs)
/* USB 2.0 spec Section 11.24.2.3 */
static inline int
hub_clear_tt_buffer (struct usb_device *hub, u16 devinfo, u16 tt)
hub_clear_tt_buffer (struct usb_device *hdev, u16 devinfo, u16 tt)
{
return usb_control_msg (hub, usb_rcvctrlpipe (hub, 0),
return usb_control_msg (hdev, usb_rcvctrlpipe (hdev, 0),
HUB_CLEAR_TT_BUFFER, USB_RT_PORT,
devinfo, tt, 0, 0, HZ);
}
......@@ -300,7 +299,7 @@ static void hub_tt_kevent (void *arg)
while (!list_empty (&hub->tt.clear_list)) {
struct list_head *temp;
struct usb_tt_clear *clear;
struct usb_device *dev;
struct usb_device *hdev;
int status;
temp = hub->tt.clear_list.next;
......@@ -309,12 +308,13 @@ static void hub_tt_kevent (void *arg)
/* drop lock so HCD can concurrently report other TT errors */
spin_unlock_irqrestore (&hub->tt.lock, flags);
dev = interface_to_usbdev (hub->intf);
status = hub_clear_tt_buffer (dev, clear->devinfo, clear->tt);
hdev = interface_to_usbdev (hub->intf);
status = hub_clear_tt_buffer (hdev, clear->devinfo, clear->tt);
spin_lock_irqsave (&hub->tt.lock, flags);
if (status)
dev_err (&dev->dev, "clear tt %d (%04x) error %d\n",
dev_err (&hdev->dev,
"clear tt %d (%04x) error %d\n",
clear->tt, clear->devinfo, status);
kfree (clear);
}
......@@ -334,9 +334,9 @@ static void hub_tt_kevent (void *arg)
* It may not be possible for that hub to handle additional full (or low)
* speed transactions until that state is fully cleared out.
*/
void usb_hub_tt_clear_buffer (struct usb_device *dev, int pipe)
void usb_hub_tt_clear_buffer (struct usb_device *udev, int pipe)
{
struct usb_tt *tt = dev->tt;
struct usb_tt *tt = udev->tt;
unsigned long flags;
struct usb_tt_clear *clear;
......@@ -345,15 +345,15 @@ void usb_hub_tt_clear_buffer (struct usb_device *dev, int pipe)
* there can be many TTs per hub). even if they're uncommon.
*/
if ((clear = kmalloc (sizeof *clear, SLAB_ATOMIC)) == 0) {
dev_err (&dev->dev, "can't save CLEAR_TT_BUFFER state\n");
dev_err (&udev->dev, "can't save CLEAR_TT_BUFFER state\n");
/* FIXME recover somehow ... RESET_TT? */
return;
}
/* info that CLEAR_TT_BUFFER needs */
clear->tt = tt->multi ? dev->ttport : 1;
clear->tt = tt->multi ? udev->ttport : 1;
clear->devinfo = usb_pipeendpoint (pipe);
clear->devinfo |= dev->devnum << 4;
clear->devinfo |= udev->devnum << 4;
clear->devinfo |= usb_pipecontrol (pipe)
? (USB_ENDPOINT_XFER_CONTROL << 11)
: (USB_ENDPOINT_XFER_BULK << 11);
......@@ -369,15 +369,15 @@ void usb_hub_tt_clear_buffer (struct usb_device *dev, int pipe)
static void hub_power_on(struct usb_hub *hub)
{
struct usb_device *dev;
struct usb_device *hdev;
int i;
/* if hub supports power switching, enable power on each port */
if ((hub->descriptor->wHubCharacteristics & HUB_CHAR_LPSM) < 2) {
dev_dbg(&hub->intf->dev, "enabling power on all ports\n");
dev = interface_to_usbdev(hub->intf);
hdev = interface_to_usbdev(hub->intf);
for (i = 0; i < hub->descriptor->bNbrPorts; i++)
set_port_feature(dev, i + 1, USB_PORT_FEAT_POWER);
set_port_feature(hdev, i + 1, USB_PORT_FEAT_POWER);
}
/* Wait for power to be enabled */
......@@ -387,12 +387,12 @@ static void hub_power_on(struct usb_hub *hub)
static int hub_hub_status(struct usb_hub *hub,
u16 *status, u16 *change)
{
struct usb_device *dev = interface_to_usbdev (hub->intf);
struct usb_device *hdev = interface_to_usbdev (hub->intf);
int ret;
ret = get_hub_status(dev, &hub->status->hub);
ret = get_hub_status(hdev, &hub->status->hub);
if (ret < 0)
dev_err (hubdev (dev),
dev_err (&hub->intf->dev,
"%s failed (err = %d)\n", __FUNCTION__, ret);
else {
*status = le16_to_cpu(hub->status->hub.wHubStatus);
......@@ -405,14 +405,14 @@ static int hub_hub_status(struct usb_hub *hub,
static int hub_configure(struct usb_hub *hub,
struct usb_endpoint_descriptor *endpoint)
{
struct usb_device *dev = interface_to_usbdev (hub->intf);
struct device *hub_dev;
struct usb_device *hdev = interface_to_usbdev (hub->intf);
struct device *hub_dev = &hub->intf->dev;
u16 hubstatus, hubchange;
unsigned int pipe;
int maxp, ret;
char *message;
hub->buffer = usb_buffer_alloc(dev, sizeof(*hub->buffer), GFP_KERNEL,
hub->buffer = usb_buffer_alloc(hdev, sizeof(*hub->buffer), GFP_KERNEL,
&hub->buffer_dma);
if (!hub->buffer) {
message = "can't allocate hub irq buffer";
......@@ -438,7 +438,7 @@ static int hub_configure(struct usb_hub *hub,
* hub->descriptor can handle USB_MAXCHILDREN ports,
* but the hub can/will return fewer bytes here.
*/
ret = get_hub_descriptor(dev, hub->descriptor,
ret = get_hub_descriptor(hdev, hub->descriptor,
sizeof(*hub->descriptor));
if (ret < 0) {
message = "can't read hub descriptor";
......@@ -449,10 +449,9 @@ static int hub_configure(struct usb_hub *hub,
goto fail;
}
hub_dev = hubdev(dev);
dev->maxchild = hub->descriptor->bNbrPorts;
dev_info (hub_dev, "%d port%s detected\n", dev->maxchild,
(dev->maxchild == 1) ? "" : "s");
hdev->maxchild = hub->descriptor->bNbrPorts;
dev_info (hub_dev, "%d port%s detected\n", hdev->maxchild,
(hdev->maxchild == 1) ? "" : "s");
le16_to_cpus(&hub->descriptor->wHubCharacteristics);
......@@ -460,11 +459,11 @@ static int hub_configure(struct usb_hub *hub,
int i;
char portstr [USB_MAXCHILDREN + 1];
for (i = 0; i < dev->maxchild; i++)
for (i = 0; i < hdev->maxchild; i++)
portstr[i] = hub->descriptor->DeviceRemovable
[((i + 1) / 8)] & (1 << ((i + 1) % 8))
? 'F' : 'R';
portstr[dev->maxchild] = 0;
portstr[hdev->maxchild] = 0;
dev_dbg(hub_dev, "compound device; port removable status: %s\n", portstr);
} else
dev_dbg(hub_dev, "standalone hub\n");
......@@ -498,32 +497,32 @@ static int hub_configure(struct usb_hub *hub,
spin_lock_init (&hub->tt.lock);
INIT_LIST_HEAD (&hub->tt.clear_list);
INIT_WORK (&hub->tt.kevent, hub_tt_kevent, hub);
switch (dev->descriptor.bDeviceProtocol) {
switch (hdev->descriptor.bDeviceProtocol) {
case 0:
break;
case 1:
dev_dbg(hub_dev, "Single TT\n");
hub->tt.hub = dev;
hub->tt.hub = hdev;
break;
case 2:
ret = usb_set_interface(dev, 0, 1);
ret = usb_set_interface(hdev, 0, 1);
if (ret == 0) {
dev_dbg(hub_dev, "TT per port\n");
hub->tt.multi = 1;
} else
dev_err(hub_dev, "Using single TT (err %d)\n",
ret);
hub->tt.hub = dev;
hub->tt.hub = hdev;
break;
default:
dev_dbg(hub_dev, "Unrecognized hub protocol %d\n",
dev->descriptor.bDeviceProtocol);
hdev->descriptor.bDeviceProtocol);
break;
}
switch (hub->descriptor->wHubCharacteristics & HUB_CHAR_TTTT) {
case 0x00:
if (dev->descriptor.bDeviceProtocol != 0)
if (hdev->descriptor.bDeviceProtocol != 0)
dev_dbg(hub_dev, "TT requires at most 8 FS bit times\n");
break;
case 0x20:
......@@ -549,9 +548,9 @@ static int hub_configure(struct usb_hub *hub,
/* power budgeting mostly matters with bus-powered hubs,
* and battery-powered root hubs (may provide just 8 mA).
*/
ret = usb_get_status(dev, USB_RECIP_DEVICE, 0, &hubstatus);
ret = usb_get_status(hdev, USB_RECIP_DEVICE, 0, &hubstatus);
if (ret < 0) {
message = "can't get hubdev status";
message = "can't get hub status";
goto fail;
}
cpu_to_le16s(&hubstatus);
......@@ -572,7 +571,7 @@ static int hub_configure(struct usb_hub *hub,
}
/* local power status reports aren't always correct */
if (dev->actconfig->desc.bmAttributes & USB_CONFIG_ATT_SELFPOWER)
if (hdev->actconfig->desc.bmAttributes & USB_CONFIG_ATT_SELFPOWER)
dev_dbg(hub_dev, "local power source is %s\n",
(hubstatus & HUB_STATUS_LOCAL_POWER)
? "lost (inactive)" : "good");
......@@ -582,8 +581,8 @@ static int hub_configure(struct usb_hub *hub,
(hubstatus & HUB_STATUS_OVERCURRENT) ? "" : "no ");
/* Start the interrupt endpoint */
pipe = usb_rcvintpipe(dev, endpoint->bEndpointAddress);
maxp = usb_maxpacket(dev, pipe, usb_pipeout(pipe));
pipe = usb_rcvintpipe(hdev, endpoint->bEndpointAddress);
maxp = usb_maxpacket(hdev, pipe, usb_pipeout(pipe));
if (maxp > sizeof(*hub->buffer))
maxp = sizeof(*hub->buffer);
......@@ -595,7 +594,7 @@ static int hub_configure(struct usb_hub *hub,
goto fail;
}
usb_fill_int_urb(hub->urb, dev, pipe, *hub->buffer, maxp, hub_irq,
usb_fill_int_urb(hub->urb, hdev, pipe, *hub->buffer, maxp, hub_irq,
hub, endpoint->bInterval);
hub->urb->transfer_dma = hub->buffer_dma;
hub->urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
......@@ -611,7 +610,7 @@ static int hub_configure(struct usb_hub *hub,
/* maybe start cycling the hub leds */
if (hub->has_indicators && blinkenlights) {
set_port_led(dev, hub, 1, HUB_LED_GREEN);
set_port_led(hdev, 1, HUB_LED_GREEN);
hub->indicator [0] = INDICATOR_CYCLE;
schedule_delayed_work(&hub->leds, LED_CYCLE_PERIOD);
}
......@@ -621,7 +620,7 @@ static int hub_configure(struct usb_hub *hub,
return 0;
fail:
dev_err (&hub->intf->dev, "config failed, %s (err %d)\n",
dev_err (hub_dev, "config failed, %s (err %d)\n",
message, ret);
/* hub_disconnect() frees urb and descriptor */
return ret;
......@@ -693,19 +692,21 @@ static int hub_probe(struct usb_interface *intf, const struct usb_device_id *id)
{
struct usb_host_interface *desc;
struct usb_endpoint_descriptor *endpoint;
struct usb_device *dev;
struct usb_device *hdev;
struct usb_hub *hub;
struct device *hub_dev;
unsigned long flags;
desc = intf->cur_altsetting;
dev = interface_to_usbdev(intf);
hdev = interface_to_usbdev(intf);
hub_dev = &intf->dev;
/* Some hubs have a subclass of 1, which AFAICT according to the */
/* specs is not defined, but it works */
if ((desc->desc.bInterfaceSubClass != 0) &&
(desc->desc.bInterfaceSubClass != 1)) {
descriptor_error:
dev_err (&intf->dev, "bad descriptor, ignoring hub\n");
dev_err (hub_dev, "bad descriptor, ignoring hub\n");
return -EIO;
}
......@@ -729,11 +730,11 @@ static int hub_probe(struct usb_interface *intf, const struct usb_device_id *id)
}
/* We found a hub */
dev_info (hubdev (dev), "USB hub found\n");
dev_info (hub_dev, "USB hub found\n");
hub = kmalloc(sizeof(*hub), GFP_KERNEL);
if (!hub) {
dev_dbg (hubdev(dev), "couldn't kmalloc hub struct\n");
dev_dbg (hub_dev, "couldn't kmalloc hub struct\n");
return -ENOMEM;
}
......@@ -752,7 +753,7 @@ static int hub_probe(struct usb_interface *intf, const struct usb_device_id *id)
usb_set_intfdata (intf, hub);
if (dev->speed == USB_SPEED_HIGH)
if (hdev->speed == USB_SPEED_HIGH)
highspeed_hubs++;
if (hub_configure(hub, endpoint) >= 0)
......@@ -765,7 +766,7 @@ static int hub_probe(struct usb_interface *intf, const struct usb_device_id *id)
static int
hub_ioctl(struct usb_interface *intf, unsigned int code, void *user_data)
{
struct usb_device *hub = interface_to_usbdev (intf);
struct usb_device *hdev = interface_to_usbdev (intf);
/* assert ifno == 0 (part of hub spec) */
switch (code) {
......@@ -775,16 +776,16 @@ hub_ioctl(struct usb_interface *intf, unsigned int code, void *user_data)
int i;
spin_lock_irqsave(&hub_event_lock, flags);
if (hub->devnum <= 0)
if (hdev->devnum <= 0)
info->nports = 0;
else {
info->nports = hub->maxchild;
info->nports = hdev->maxchild;
for (i = 0; i < info->nports; i++) {
if (hub->children[i] == NULL)
if (hdev->children[i] == NULL)
info->port[i] = 0;
else
info->port[i] =
hub->children[i]->devnum;
hdev->children[i]->devnum;
}
}
spin_unlock_irqrestore(&hub_event_lock, flags);
......@@ -799,13 +800,13 @@ hub_ioctl(struct usb_interface *intf, unsigned int code, void *user_data)
static int hub_reset(struct usb_hub *hub)
{
struct usb_device *dev = interface_to_usbdev(hub->intf);
struct usb_device *hdev = interface_to_usbdev(hub->intf);
int i;
/* Disconnect any attached devices */
for (i = 0; i < hub->descriptor->bNbrPorts; i++) {
if (dev->children[i])
usb_disconnect(&dev->children[i]);
if (hdev->children[i])
usb_disconnect(&hdev->children[i]);
}
/* Attempt to reset the hub */
......@@ -814,10 +815,10 @@ static int hub_reset(struct usb_hub *hub)
else
return -1;
if (usb_reset_device(dev))
if (usb_reset_device(hdev))
return -1;
hub->urb->dev = dev;
hub->urb->dev = hdev;
if (usb_submit_urb(hub->urb, GFP_KERNEL))
return -1;
......@@ -826,36 +827,36 @@ static int hub_reset(struct usb_hub *hub)
return 0;
}
static void hub_start_disconnect(struct usb_device *dev)
static void hub_start_disconnect(struct usb_device *hdev)
{
struct usb_device *parent = dev->parent;
struct usb_device *parent = hdev->parent;
int i;
/* Find the device pointer to disconnect */
if (parent) {
for (i = 0; i < parent->maxchild; i++) {
if (parent->children[i] == dev) {
if (parent->children[i] == hdev) {
usb_disconnect(&parent->children[i]);
return;
}
}
}
dev_err(&dev->dev, "cannot disconnect hub!\n");
dev_err(&hdev->dev, "cannot disconnect hub!\n");
}
static int hub_port_status(struct usb_device *dev, int port,
static int hub_port_status(struct usb_device *hdev, int port,
u16 *status, u16 *change)
{
struct usb_hub *hub = usb_get_intfdata(dev->actconfig->interface[0]);
struct usb_hub *hub = usb_get_intfdata(hdev->actconfig->interface[0]);
int ret;
if (!hub)
return -ENODEV;
ret = get_port_status(dev, port + 1, &hub->status->port);
ret = get_port_status(hdev, port + 1, &hub->status->port);
if (ret < 0)
dev_err (hubdev (dev),
dev_err (&hub->intf->dev,
"%s failed (err = %d)\n", __FUNCTION__, ret);
else {
*status = le16_to_cpu(hub->status->port.wPortStatus);
......@@ -875,9 +876,8 @@ static int hub_port_status(struct usb_device *dev, int port,
#define HUB_LONG_RESET_TIME 200
#define HUB_RESET_TIMEOUT 500
/* return: -1 on error, 0 on success, 1 on disconnect. */
static int hub_port_wait_reset(struct usb_device *hub, int port,
struct usb_device *dev, unsigned int delay)
static int hub_port_wait_reset(struct usb_device *hdev, int port,
struct usb_device *udev, unsigned int delay)
{
int delay_time, ret;
u16 portstatus;
......@@ -890,28 +890,27 @@ static int hub_port_wait_reset(struct usb_device *hub, int port,
msleep(delay);
/* read and decode port status */
ret = hub_port_status(hub, port, &portstatus, &portchange);
if (ret < 0) {
return -1;
}
ret = hub_port_status(hdev, port, &portstatus, &portchange);
if (ret < 0)
return ret;
/* Device went away? */
if (!(portstatus & USB_PORT_STAT_CONNECTION))
return 1;
return -ENOTCONN;
/* bomb out completely if something weird happened */
if ((portchange & USB_PORT_STAT_C_CONNECTION))
return -1;
return -EINVAL;
/* if we`ve finished resetting, then break out of the loop */
if (!(portstatus & USB_PORT_STAT_RESET) &&
(portstatus & USB_PORT_STAT_ENABLE)) {
if (portstatus & USB_PORT_STAT_HIGH_SPEED)
dev->speed = USB_SPEED_HIGH;
udev->speed = USB_SPEED_HIGH;
else if (portstatus & USB_PORT_STAT_LOW_SPEED)
dev->speed = USB_SPEED_LOW;
udev->speed = USB_SPEED_LOW;
else
dev->speed = USB_SPEED_FULL;
udev->speed = USB_SPEED_FULL;
return 0;
}
......@@ -919,55 +918,55 @@ static int hub_port_wait_reset(struct usb_device *hub, int port,
if (delay_time >= 2 * HUB_SHORT_RESET_TIME)
delay = HUB_LONG_RESET_TIME;
dev_dbg (hubdev (hub),
dev_dbg (hubdev (hdev),
"port %d not reset yet, waiting %dms\n",
port + 1, delay);
}
return -1;
return -EBUSY;
}
/* return: -1 on error, 0 on success, 1 on disconnect. */
static int hub_port_reset(struct usb_device *hub, int port,
struct usb_device *dev, unsigned int delay)
static int hub_port_reset(struct usb_device *hdev, int port,
struct usb_device *udev, unsigned int delay)
{
int i, status;
struct device *hub_dev = hubdev (hdev);
/* Reset the port */
for (i = 0; i < PORT_RESET_TRIES; i++) {
set_port_feature(hub, port + 1, USB_PORT_FEAT_RESET);
set_port_feature(hdev, port + 1, USB_PORT_FEAT_RESET);
/* return on disconnect or reset */
status = hub_port_wait_reset(hub, port, dev, delay);
if (status != -1) {
clear_port_feature(hub,
status = hub_port_wait_reset(hdev, port, udev, delay);
if (status == -ENOTCONN || status == 0) {
clear_port_feature(hdev,
port + 1, USB_PORT_FEAT_C_RESET);
dev->state = status
udev->state = status
? USB_STATE_NOTATTACHED
: USB_STATE_DEFAULT;
return status;
}
dev_dbg (hubdev (hub),
dev_dbg (hub_dev,
"port %d not enabled, trying reset again...\n",
port + 1);
delay = HUB_LONG_RESET_TIME;
}
dev_err (hubdev (hub),
dev_err (hub_dev,
"Cannot enable port %i. Maybe the USB cable is bad?\n",
port + 1);
return -1;
return status;
}
static int hub_port_disable(struct usb_device *hub, int port)
static int hub_port_disable(struct usb_device *hdev, int port)
{
int ret;
ret = clear_port_feature(hub, port + 1, USB_PORT_FEAT_ENABLE);
ret = clear_port_feature(hdev, port + 1, USB_PORT_FEAT_ENABLE);
if (ret)
dev_err(hubdev(hub), "cannot disable port %d (err = %d)\n",
dev_err(hubdev(hdev), "cannot disable port %d (err = %d)\n",
port + 1, ret);
return ret;
......@@ -991,8 +990,7 @@ static int hub_port_disable(struct usb_device *hub, int port)
#define HUB_DEBOUNCE_STEP 25
#define HUB_DEBOUNCE_STABLE 4
/* return: -1 on error, 0 on success, 1 on disconnect. */
static int hub_port_debounce(struct usb_device *hub, int port)
static int hub_port_debounce(struct usb_device *hdev, int port)
{
int ret;
int delay_time, stable_count;
......@@ -1004,9 +1002,9 @@ static int hub_port_debounce(struct usb_device *hub, int port)
for (delay_time = 0; delay_time < HUB_DEBOUNCE_TIMEOUT; delay_time += HUB_DEBOUNCE_STEP) {
msleep(HUB_DEBOUNCE_STEP);
ret = hub_port_status(hub, port, &portstatus, &portchange);
ret = hub_port_status(hdev, port, &portstatus, &portchange);
if (ret < 0)
return -1;
return ret;
if ((portstatus & USB_PORT_STAT_CONNECTION) == connection) {
if (connection) {
......@@ -1019,15 +1017,32 @@ static int hub_port_debounce(struct usb_device *hub, int port)
connection = portstatus & USB_PORT_STAT_CONNECTION;
if ((portchange & USB_PORT_STAT_C_CONNECTION)) {
clear_port_feature(hub, port+1, USB_PORT_FEAT_C_CONNECTION);
clear_port_feature(hdev, port+1, USB_PORT_FEAT_C_CONNECTION);
}
}
dev_dbg (hubdev (hub),
dev_dbg (hubdev (hdev),
"debounce: port %d: delay %dms stable %d status 0x%x\n",
port + 1, delay_time, stable_count, portstatus);
return ((portstatus&USB_PORT_STAT_CONNECTION)) ? 0 : 1;
return (portstatus & USB_PORT_STAT_CONNECTION) ? 0 : -ENOTCONN;
}
static int hub_set_address(struct usb_device *udev)
{
int retval;
if (udev->devnum == 0)
return -EINVAL;
if (udev->state != USB_STATE_DEFAULT &&
udev->state != USB_STATE_ADDRESS)
return -EINVAL;
retval = usb_control_msg(udev, usb_snddefctrl(udev),
USB_REQ_SET_ADDRESS, 0, udev->devnum, 0,
NULL, 0, HZ * USB_CTRL_SET_TIMEOUT);
if (retval == 0)
udev->state = USB_STATE_ADDRESS;
return retval;
}
/* reset device, (re)assign address, get device descriptor.
......@@ -1039,18 +1054,18 @@ static int hub_port_debounce(struct usb_device *hub, int port)
* config changes and disconnect processing.
*/
static int
hub_port_init (struct usb_device *hub, struct usb_device *dev, int port)
hub_port_init (struct usb_device *hdev, struct usb_device *udev, int port)
{
static DECLARE_MUTEX(usb_address0_sem);
int i, j, retval = -ENODEV;
int i, j, retval;
unsigned delay = HUB_SHORT_RESET_TIME;
enum usb_device_speed oldspeed = dev->speed;
enum usb_device_speed oldspeed = udev->speed;
/* root hub ports have a slightly longer reset period
* (from USB 2.0 spec, section 7.1.7.5)
*/
if (!hub->parent)
if (!hdev->parent)
delay = HUB_ROOT_RESET_TIME;
/* Some low speed devices have problems with the quick delay, so */
......@@ -1061,24 +1076,21 @@ hub_port_init (struct usb_device *hub, struct usb_device *dev, int port)
down(&usb_address0_sem);
/* Reset the device; full speed may morph to high speed */
switch (hub_port_reset(hub, port, dev, delay)) {
case 0: /* success, speed is known */
break;
case 1: /* disconnect, give to companion */
retval = -EBUSY;
/* FALL THROUGH */
default: /* error */
retval = hub_port_reset(hdev, port, udev, delay);
if (retval < 0) /* error or disconnect */
goto fail;
}
if (oldspeed != USB_SPEED_UNKNOWN && oldspeed != dev->speed) {
dev_dbg(&dev->dev, "device reset changed speed!\n");
/* success, speed is known */
retval = -ENODEV;
if (oldspeed != USB_SPEED_UNKNOWN && oldspeed != udev->speed) {
dev_dbg(&udev->dev, "device reset changed speed!\n");
goto fail;
}
/* USB 2.0 section 5.5.3 talks about ep0 maxpacket ...
* it's fixed size except for full speed devices.
*/
switch (dev->speed) {
switch (udev->speed) {
case USB_SPEED_HIGH: /* fixed at 64 */
i = 64;
break;
......@@ -1094,43 +1106,43 @@ hub_port_init (struct usb_device *hub, struct usb_device *dev, int port)
default:
goto fail;
}
dev->epmaxpacketin [0] = i;
dev->epmaxpacketout[0] = i;
udev->epmaxpacketin [0] = i;
udev->epmaxpacketout[0] = i;
/* set the address */
if (dev->devnum <= 0) {
usb_choose_address(dev);
if (dev->devnum <= 0)
if (udev->devnum <= 0) {
usb_choose_address(udev);
if (udev->devnum <= 0)
goto fail;
/* Set up TT records, if needed */
if (hub->tt) {
dev->tt = hub->tt;
dev->ttport = hub->ttport;
} else if (dev->speed != USB_SPEED_HIGH
&& hub->speed == USB_SPEED_HIGH) {
struct usb_hub *hubstate;
hubstate = usb_get_intfdata (hub->actconfig
if (hdev->tt) {
udev->tt = hdev->tt;
udev->ttport = hdev->ttport;
} else if (udev->speed != USB_SPEED_HIGH
&& hdev->speed == USB_SPEED_HIGH) {
struct usb_hub *hub;
hub = usb_get_intfdata (hdev->actconfig
->interface[0]);
dev->tt = &hubstate->tt;
dev->ttport = port + 1;
udev->tt = &hub->tt;
udev->ttport = port + 1;
}
/* force the right log message (below) at low speed */
oldspeed = USB_SPEED_UNKNOWN;
}
dev_info (&dev->dev,
dev_info (&udev->dev,
"%s %s speed USB device using address %d\n",
(oldspeed == USB_SPEED_UNKNOWN) ? "new" : "reset",
({ char *speed; switch (dev->speed) {
({ char *speed; switch (udev->speed) {
case USB_SPEED_LOW: speed = "low"; break;
case USB_SPEED_FULL: speed = "full"; break;
case USB_SPEED_HIGH: speed = "high"; break;
default: speed = "?"; break;
}; speed;}),
dev->devnum);
udev->devnum);
/* Why interleave GET_DESCRIPTOR and SET_ADDRESS this way?
* Because device hardware and firmware is sometimes buggy in
......@@ -1143,20 +1155,19 @@ hub_port_init (struct usb_device *hub, struct usb_device *dev, int port)
*/
for (i = 0; i < GET_DESCRIPTOR_TRIES; ++i) {
for (j = 0; j < SET_ADDRESS_TRIES; ++j) {
retval = usb_set_address(dev);
retval = hub_set_address(udev);
if (retval >= 0)
break;
msleep(200);
}
if (retval < 0) {
dev_err(&dev->dev,
dev_err(&udev->dev,
"device not accepting address %d, error %d\n",
dev->devnum, retval);
udev->devnum, retval);
fail:
hub_port_disable(hub, port);
clear_bit(dev->devnum, dev->bus->devmap.devicemap);
dev->devnum = -1;
usb_put_dev(dev);
hub_port_disable(hdev, port);
usb_release_address(udev);
usb_put_dev(udev);
up(&usb_address0_sem);
return retval;
}
......@@ -1166,31 +1177,31 @@ hub_port_init (struct usb_device *hub, struct usb_device *dev, int port)
* - read ep0 maxpacket even for high and low speed,
*/
msleep(10);
retval = usb_get_device_descriptor(dev, 8);
retval = usb_get_device_descriptor(udev, 8);
if (retval >= 8)
break;
msleep(100);
}
if (retval != 8) {
dev_err(&dev->dev, "device descriptor read/%s, error %d\n",
dev_err(&udev->dev, "device descriptor read/%s, error %d\n",
"8", retval);
if (retval >= 0)
retval = -EMSGSIZE;
goto fail;
}
if (dev->speed == USB_SPEED_FULL
&& (dev->epmaxpacketin [0]
!= dev->descriptor.bMaxPacketSize0)) {
usb_disable_endpoint(dev, 0);
usb_endpoint_running(dev, 0, 1);
usb_endpoint_running(dev, 0, 0);
dev->epmaxpacketin [0] = dev->descriptor.bMaxPacketSize0;
dev->epmaxpacketout[0] = dev->descriptor.bMaxPacketSize0;
if (udev->speed == USB_SPEED_FULL
&& (udev->epmaxpacketin [0]
!= udev->descriptor.bMaxPacketSize0)) {
usb_disable_endpoint(udev, 0);
usb_endpoint_running(udev, 0, 1);
usb_endpoint_running(udev, 0, 0);
udev->epmaxpacketin [0] = udev->descriptor.bMaxPacketSize0;
udev->epmaxpacketout[0] = udev->descriptor.bMaxPacketSize0;
}
retval = usb_get_device_descriptor(dev, USB_DT_DEVICE_SIZE);
if (retval < (signed)sizeof(dev->descriptor)) {
dev_err(&dev->dev, "device descriptor read/%s, error %d\n",
retval = usb_get_device_descriptor(udev, USB_DT_DEVICE_SIZE);
if (retval < (signed)sizeof(udev->descriptor)) {
dev_err(&udev->dev, "device descriptor read/%s, error %d\n",
"all", retval);
if (retval >= 0)
retval = -ENOMSG;
......@@ -1198,14 +1209,14 @@ hub_port_init (struct usb_device *hub, struct usb_device *dev, int port)
}
/* now dev is visible to other tasks */
hub->children[port] = dev;
hdev->children[port] = udev;
up(&usb_address0_sem);
return 0;
}
static void
check_highspeed (struct usb_hub *hub, struct usb_device *dev, int port)
check_highspeed (struct usb_hub *hub, struct usb_device *udev, int port)
{
struct usb_qualifier_descriptor *qual;
int status;
......@@ -1214,10 +1225,10 @@ check_highspeed (struct usb_hub *hub, struct usb_device *dev, int port)
if (qual == 0)
return;
status = usb_get_descriptor (dev, USB_DT_DEVICE_QUALIFIER, 0,
status = usb_get_descriptor (udev, USB_DT_DEVICE_QUALIFIER, 0,
qual, sizeof *qual);
if (status == sizeof *qual) {
dev_info(&dev->dev, "not running at top speed; "
dev_info(&udev->dev, "not running at top speed; "
"connect to a high speed hub\n");
/* hub LEDs are probably harder to miss than syslog */
if (hub->has_indicators) {
......@@ -1229,31 +1240,31 @@ check_highspeed (struct usb_hub *hub, struct usb_device *dev, int port)
}
static unsigned
hub_power_remaining (struct usb_hub *hubstate, struct usb_device *hub)
hub_power_remaining (struct usb_hub *hub, struct usb_device *hdev)
{
int remaining;
unsigned i;
remaining = hubstate->power_budget;
remaining = hub->power_budget;
if (!remaining) /* self-powered */
return 0;
for (i = 0; i < hub->maxchild; i++) {
struct usb_device *dev = hub->children[i];
for (i = 0; i < hdev->maxchild; i++) {
struct usb_device *udev = hdev->children[i];
int delta;
if (!dev)
if (!udev)
continue;
if (dev->actconfig)
delta = dev->actconfig->desc.bMaxPower;
if (udev->actconfig)
delta = udev->actconfig->desc.bMaxPower;
else
delta = 50;
// dev_dbg(&dev->dev, "budgeted %dmA\n", 2 * delta);
// dev_dbg(&udev->dev, "budgeted %dmA\n", 2 * delta);
remaining -= delta;
}
if (remaining < 0) {
dev_warn(&hubstate->intf->dev,
dev_warn(&hub->intf->dev,
"%dmA over power budget!\n",
-2 * remaining);
remaining = 0;
......@@ -1261,73 +1272,74 @@ hub_power_remaining (struct usb_hub *hubstate, struct usb_device *hub)
return remaining;
}
static void hub_port_connect_change(struct usb_hub *hubstate, int port,
static void hub_port_connect_change(struct usb_hub *hub, int port,
u16 portstatus, u16 portchange)
{
struct usb_device *hub = interface_to_usbdev(hubstate->intf);
struct usb_device *hdev = interface_to_usbdev(hub->intf);
struct device *hub_dev = &hub->intf->dev;
int status, i;
dev_dbg (&hubstate->intf->dev,
dev_dbg (hub_dev,
"port %d, status %04x, change %04x, %s\n",
port + 1, portstatus, portchange, portspeed (portstatus));
/* Clear the connection change status */
clear_port_feature(hub, port + 1, USB_PORT_FEAT_C_CONNECTION);
clear_port_feature(hdev, port + 1, USB_PORT_FEAT_C_CONNECTION);
if (hubstate->has_indicators) {
set_port_led(hub, hubstate, port + 1, HUB_LED_AUTO);
hubstate->indicator[port] = INDICATOR_AUTO;
if (hub->has_indicators) {
set_port_led(hdev, port + 1, HUB_LED_AUTO);
hub->indicator[port] = INDICATOR_AUTO;
}
/* Disconnect any existing devices under this port */
if (hub->children[port])
usb_disconnect(&hub->children[port]);
if (hdev->children[port])
usb_disconnect(&hdev->children[port]);
/* Return now if nothing is connected */
if (!(portstatus & USB_PORT_STAT_CONNECTION)) {
/* maybe switch power back on (e.g. root hub was reset) */
if ((hubstate->descriptor->wHubCharacteristics
if ((hub->descriptor->wHubCharacteristics
& HUB_CHAR_LPSM) < 2
&& !(portstatus & (1 << USB_PORT_FEAT_POWER)))
set_port_feature(hub, port + 1, USB_PORT_FEAT_POWER);
set_port_feature(hdev, port + 1, USB_PORT_FEAT_POWER);
if (portstatus & USB_PORT_STAT_ENABLE)
goto done;
return;
}
if (hub_port_debounce(hub, port)) {
dev_err (&hubstate->intf->dev,
if (hub_port_debounce(hdev, port)) {
dev_err (hub_dev,
"connect-debounce failed, port %d disabled\n",
port+1);
goto done;
}
for (i = 0; i < SET_CONFIG_TRIES; i++) {
struct usb_device *dev;
struct usb_device *udev;
/* reallocate for each attempt, since references
* to the previous one can escape in various ways
*/
dev = usb_alloc_dev(hub, hub->bus, port);
if (!dev) {
dev_err (&hubstate->intf->dev,
udev = usb_alloc_dev(hdev, hdev->bus, port);
if (!udev) {
dev_err (hub_dev,
"couldn't allocate port %d usb_device\n", port+1);
goto done;
}
dev->state = USB_STATE_POWERED;
udev->state = USB_STATE_POWERED;
/* hub can tell if it's lowspeed already: D- pullup (not D+) */
if (portstatus & USB_PORT_STAT_LOW_SPEED)
dev->speed = USB_SPEED_LOW;
udev->speed = USB_SPEED_LOW;
else
dev->speed = USB_SPEED_UNKNOWN;
udev->speed = USB_SPEED_UNKNOWN;
/* reset, set address, get descriptor, add to hub's children */
down (&dev->serialize);
status = hub_port_init(hub, dev, port);
if (status == -EBUSY)
down (&udev->serialize);
status = hub_port_init(hdev, udev, port);
if (status == -ENOTCONN)
break;
if (status < 0)
continue;
......@@ -1338,50 +1350,50 @@ static void hub_port_connect_change(struct usb_hub *hubstate, int port,
* (without reading syslog), even without per-port LEDs
* on the parent.
*/
if (dev->descriptor.bDeviceClass == USB_CLASS_HUB
&& hubstate->power_budget) {
if (udev->descriptor.bDeviceClass == USB_CLASS_HUB
&& hub->power_budget) {
u16 devstat;
status = usb_get_status(dev, USB_RECIP_DEVICE, 0,
status = usb_get_status(udev, USB_RECIP_DEVICE, 0,
&devstat);
if (status < 0) {
dev_dbg(&dev->dev, "get status %d ?\n", status);
dev_dbg(&udev->dev, "get status %d ?\n", status);
continue;
}
cpu_to_le16s(&devstat);
if ((devstat & (1 << USB_DEVICE_SELF_POWERED)) == 0) {
dev_err(&dev->dev,
dev_err(&udev->dev,
"can't connect bus-powered hub "
"to this port\n");
if (hubstate->has_indicators) {
hubstate->indicator[port] =
if (hub->has_indicators) {
hub->indicator[port] =
INDICATOR_AMBER_BLINK;
schedule_work (&hubstate->leds);
schedule_work (&hub->leds);
}
hub->children[port] = NULL;
usb_put_dev(dev);
hub_port_disable(hub, port);
hdev->children[port] = NULL;
usb_put_dev(udev);
hub_port_disable(hdev, port);
return;
}
}
/* check for devices running slower than they could */
if (dev->descriptor.bcdUSB >= 0x0200
&& dev->speed == USB_SPEED_FULL
if (udev->descriptor.bcdUSB >= 0x0200
&& udev->speed == USB_SPEED_FULL
&& highspeed_hubs != 0)
check_highspeed (hubstate, dev, port);
check_highspeed (hub, udev, port);
/* Run it through the hoops (find a driver, etc) */
status = usb_new_device(dev);
status = usb_new_device(udev);
if (status != 0) {
hub->children[port] = NULL;
hdev->children[port] = NULL;
continue;
}
up (&dev->serialize);
up (&udev->serialize);
status = hub_power_remaining(hubstate, hub);
status = hub_power_remaining(hub, hdev);
if (status)
dev_dbg(&hubstate->intf->dev,
dev_dbg(hub_dev,
"%dmA power budget left\n",
2 * status);
......@@ -1389,15 +1401,16 @@ static void hub_port_connect_change(struct usb_hub *hubstate, int port,
}
done:
hub_port_disable(hub, port);
hub_port_disable(hdev, port);
}
static void hub_events(void)
{
unsigned long flags;
struct list_head *tmp;
struct usb_device *dev;
struct usb_device *hdev;
struct usb_hub *hub;
struct device *hub_dev;
u16 hubstatus;
u16 hubchange;
u16 portstatus;
......@@ -1420,7 +1433,8 @@ static void hub_events(void)
tmp = hub_event_list.next;
hub = list_entry(tmp, struct usb_hub, event_list);
dev = interface_to_usbdev(hub->intf);
hdev = interface_to_usbdev(hub->intf);
hub_dev = &hub->intf->dev;
list_del_init(tmp);
......@@ -1430,14 +1444,14 @@ static void hub_events(void)
spin_unlock_irqrestore(&hub_event_lock, flags);
if (hub->error) {
dev_dbg (&hub->intf->dev, "resetting for error %d\n",
dev_dbg (hub_dev, "resetting for error %d\n",
hub->error);
if (hub_reset(hub)) {
dev_dbg (&hub->intf->dev,
dev_dbg (hub_dev,
"can't reset; disconnecting\n");
up(&hub->khubd_sem);
hub_start_disconnect(dev);
hub_start_disconnect(hdev);
continue;
}
......@@ -1446,7 +1460,7 @@ static void hub_events(void)
}
for (i = 0; i < hub->descriptor->bNbrPorts; i++) {
ret = hub_port_status(dev, i, &portstatus, &portchange);
ret = hub_port_status(hdev, i, &portstatus, &portchange);
if (ret < 0) {
continue;
}
......@@ -1454,10 +1468,10 @@ static void hub_events(void)
if (portchange & USB_PORT_STAT_C_CONNECTION) {
hub_port_connect_change(hub, i, portstatus, portchange);
} else if (portchange & USB_PORT_STAT_C_ENABLE) {
dev_dbg (hubdev (dev),
dev_dbg (hub_dev,
"port %d enable change, status %08x\n",
i + 1, portstatus);
clear_port_feature(dev,
clear_port_feature(hdev,
i + 1, USB_PORT_FEAT_C_ENABLE);
/*
......@@ -1468,8 +1482,8 @@ static void hub_events(void)
*/
if (!(portstatus & USB_PORT_STAT_ENABLE)
&& (portstatus & USB_PORT_STAT_CONNECTION)
&& (dev->children[i])) {
dev_err (&hub->intf->dev,
&& (hdev->children[i])) {
dev_err (hub_dev,
"port %i "
"disabled by hub (EMI?), "
"re-enabling...",
......@@ -1480,43 +1494,43 @@ static void hub_events(void)
}
if (portchange & USB_PORT_STAT_C_SUSPEND) {
dev_dbg (&hub->intf->dev,
dev_dbg (hub_dev,
"suspend change on port %d\n",
i + 1);
clear_port_feature(dev,
clear_port_feature(hdev,
i + 1, USB_PORT_FEAT_C_SUSPEND);
}
if (portchange & USB_PORT_STAT_C_OVERCURRENT) {
dev_err (&hub->intf->dev,
dev_err (hub_dev,
"over-current change on port %d\n",
i + 1);
clear_port_feature(dev,
clear_port_feature(hdev,
i + 1, USB_PORT_FEAT_C_OVER_CURRENT);
hub_power_on(hub);
}
if (portchange & USB_PORT_STAT_C_RESET) {
dev_dbg (&hub->intf->dev,
dev_dbg (hub_dev,
"reset change on port %d\n",
i + 1);
clear_port_feature(dev,
clear_port_feature(hdev,
i + 1, USB_PORT_FEAT_C_RESET);
}
} /* end for i */
/* deal with hub status changes */
if (hub_hub_status(hub, &hubstatus, &hubchange) < 0)
dev_err (&hub->intf->dev, "get_hub_status failed\n");
dev_err (hub_dev, "get_hub_status failed\n");
else {
if (hubchange & HUB_CHANGE_LOCAL_POWER) {
dev_dbg (&hub->intf->dev, "power change\n");
clear_hub_feature(dev, C_HUB_LOCAL_POWER);
dev_dbg (hub_dev, "power change\n");
clear_hub_feature(hdev, C_HUB_LOCAL_POWER);
}
if (hubchange & HUB_CHANGE_OVERCURRENT) {
dev_dbg (&hub->intf->dev, "overcurrent change\n");
dev_dbg (hub_dev, "overcurrent change\n");
msleep(500); /* Cool down */
clear_hub_feature(dev, C_HUB_OVER_CURRENT);
clear_hub_feature(hdev, C_HUB_OVER_CURRENT);
hub_power_on(hub);
}
}
......@@ -1526,7 +1540,7 @@ static void hub_events(void)
spin_unlock_irqrestore(&hub_event_lock, flags);
}
static int hub_thread(void *__hub)
static int hub_thread(void *__unused)
{
/*
* This thread doesn't need any user-level access,
......@@ -1614,36 +1628,36 @@ void usb_hub_cleanup(void)
} /* usb_hub_cleanup() */
static int config_descriptors_changed(struct usb_device *dev)
static int config_descriptors_changed(struct usb_device *udev)
{
unsigned index;
unsigned len = 0;
struct usb_config_descriptor *buf;
for (index = 0; index < dev->descriptor.bNumConfigurations; index++) {
if (len < dev->config[index].desc.wTotalLength)
len = dev->config[index].desc.wTotalLength;
for (index = 0; index < udev->descriptor.bNumConfigurations; index++) {
if (len < udev->config[index].desc.wTotalLength)
len = udev->config[index].desc.wTotalLength;
}
buf = kmalloc (len, SLAB_KERNEL);
if (buf == 0) {
dev_err(&dev->dev, "no mem to re-read configs after reset\n");
dev_err(&udev->dev, "no mem to re-read configs after reset\n");
/* assume the worst */
return 1;
}
for (index = 0; index < dev->descriptor.bNumConfigurations; index++) {
for (index = 0; index < udev->descriptor.bNumConfigurations; index++) {
int length;
int old_length = dev->config[index].desc.wTotalLength;
int old_length = udev->config[index].desc.wTotalLength;
length = usb_get_descriptor(dev, USB_DT_CONFIG, index, buf,
length = usb_get_descriptor(udev, USB_DT_CONFIG, index, buf,
old_length);
if (length < old_length) {
dev_dbg(&dev->dev, "config index %d, error %d\n",
dev_dbg(&udev->dev, "config index %d, error %d\n",
index, length);
break;
}
if (memcmp (buf, dev->rawdescriptors[index], old_length)
if (memcmp (buf, udev->rawdescriptors[index], old_length)
!= 0) {
dev_dbg(&dev->dev, "config index %d changed (#%d)\n",
dev_dbg(&udev->dev, "config index %d changed (#%d)\n",
index, buf->bConfigurationValue);
/* FIXME enable this when we can re-enumerate after reset;
* until then DFU-ish drivers need this and other workarounds
......@@ -1652,7 +1666,7 @@ static int config_descriptors_changed(struct usb_device *dev)
}
}
kfree(buf);
return index != dev->descriptor.bNumConfigurations;
return index != udev->descriptor.bNumConfigurations;
}
/*
......@@ -1664,22 +1678,22 @@ static int config_descriptors_changed(struct usb_device *dev)
* already holds dev->serialize. For example, it's safe to use
* this from a driver probe() routine after downloading new firmware.
*/
int __usb_reset_device(struct usb_device *dev)
int __usb_reset_device(struct usb_device *udev)
{
struct usb_device *parent = dev->parent;
struct usb_device_descriptor descriptor = dev->descriptor;
struct usb_device *parent = udev->parent;
struct usb_device_descriptor descriptor = udev->descriptor;
int i, ret, port = -1;
if (dev->maxchild) {
if (udev->maxchild) {
/* this requires hub- or hcd-specific logic;
* see hub_reset() and OHCI hc_restart()
*/
dev_dbg(&dev->dev, "%s for hub!\n", __FUNCTION__);
dev_dbg(&udev->dev, "%s for hub!\n", __FUNCTION__);
return -EINVAL;
}
for (i = 0; i < parent->maxchild; i++)
if (parent->children[i] == dev) {
if (parent->children[i] == udev) {
port = i;
break;
}
......@@ -1687,45 +1701,45 @@ int __usb_reset_device(struct usb_device *dev)
if (port < 0)
return -ENOENT;
ret = hub_port_init(parent, dev, port);
ret = hub_port_init(parent, udev, port);
if (ret < 0)
goto re_enumerate;
/* Device might have changed firmware (DFU or similar) */
if (memcmp(&dev->descriptor, &descriptor, sizeof descriptor)
|| config_descriptors_changed (dev)) {
dev_info(&dev->dev, "device firmware changed\n");
dev->descriptor = descriptor; /* for disconnect() calls */
if (memcmp(&udev->descriptor, &descriptor, sizeof descriptor)
|| config_descriptors_changed (udev)) {
dev_info(&udev->dev, "device firmware changed\n");
udev->descriptor = descriptor; /* for disconnect() calls */
goto re_enumerate;
}
if (!dev->actconfig)
if (!udev->actconfig)
return 0;
ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
ret = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
USB_REQ_SET_CONFIGURATION, 0,
dev->actconfig->desc.bConfigurationValue, 0,
udev->actconfig->desc.bConfigurationValue, 0,
NULL, 0, HZ * USB_CTRL_SET_TIMEOUT);
if (ret < 0) {
dev_err(&dev->dev,
dev_err(&udev->dev,
"can't restore configuration #%d (error=%d)\n",
dev->actconfig->desc.bConfigurationValue, ret);
udev->actconfig->desc.bConfigurationValue, ret);
goto re_enumerate;
}
dev->state = USB_STATE_CONFIGURED;
udev->state = USB_STATE_CONFIGURED;
for (i = 0; i < dev->actconfig->desc.bNumInterfaces; i++) {
struct usb_interface *intf = dev->actconfig->interface[i];
for (i = 0; i < udev->actconfig->desc.bNumInterfaces; i++) {
struct usb_interface *intf = udev->actconfig->interface[i];
struct usb_interface_descriptor *desc;
/* set_interface resets host side toggle and halt status even
* for altsetting zero. the interface may have no driver.
*/
desc = &intf->cur_altsetting->desc;
ret = usb_set_interface(dev, desc->bInterfaceNumber,
ret = usb_set_interface(udev, desc->bInterfaceNumber,
desc->bAlternateSetting);
if (ret < 0) {
dev_err(&dev->dev, "failed to restore interface %d "
dev_err(&udev->dev, "failed to restore interface %d "
"altsetting %d (error=%d)\n",
desc->bInterfaceNumber,
desc->bAlternateSetting,
......@@ -1738,7 +1752,7 @@ int __usb_reset_device(struct usb_device *dev)
re_enumerate:
/* FIXME make some task re-enumerate; don't just mark unusable */
dev->state = USB_STATE_NOTATTACHED;
udev->state = USB_STATE_NOTATTACHED;
return -ENODEV;
}
EXPORT_SYMBOL(__usb_reset_device);
......
drivers/usb/core/message.c
View file @ e9b73ef9
......@@ -1252,7 +1252,7 @@ int usb_set_configuration(struct usb_device *dev, int configuration)
ret);
continue;
}
usb_create_driverfs_intf_files (intf);
usb_create_sysfs_intf_files (intf);
}
}
......
drivers/usb/core/driverfs.c → drivers/usb/core/sysfs.c
View file @ e9b73ef9
/*
* drivers/usb/core/driverfs.c
* drivers/usb/core/sysfs.c
*
* (C) Copyright 2002 David Brownell
* (C) Copyright 2002 Greg Kroah-Hartman
* (C) Copyright 2002 IBM Corp.
*
* All of the driverfs file attributes for usb devices and interfaces.
* All of the sysfs file attributes for usb devices and interfaces.
*
*/
......@@ -163,7 +163,7 @@ usb_descriptor_attr (bDeviceProtocol, "%02x\n")
usb_descriptor_attr (bNumConfigurations, "%d\n")
void usb_create_driverfs_dev_files (struct usb_device *udev)
void usb_create_sysfs_dev_files (struct usb_device *udev)
{
struct device *dev = &udev->dev;
......@@ -217,7 +217,7 @@ usb_intf_attr (bInterfaceSubClass, "%02x\n")
usb_intf_attr (bInterfaceProtocol, "%02x\n")
usb_intf_attr (iInterface, "%02x\n")
void usb_create_driverfs_intf_files (struct usb_interface *intf)
void usb_create_sysfs_intf_files (struct usb_interface *intf)
{
device_create_file (&intf->dev, &dev_attr_bInterfaceNumber);
device_create_file (&intf->dev, &dev_attr_bAlternateSetting);
......
drivers/usb/core/usb.c
View file @ e9b73ef9
......@@ -998,12 +998,10 @@ void usb_disconnect(struct usb_device **pdev)
*/
usb_disable_device(dev, 0);
dev_dbg (&dev->dev, "unregistering device\n");
/* Free the device number and remove the /proc/bus/usb entry */
if (dev->devnum > 0) {
clear_bit(dev->devnum, dev->bus->devmap.devicemap);
dev_dbg (&dev->dev, "unregistering device\n");
usb_release_address(dev);
usbfs_remove_device(dev);
}
up(&dev->serialize);
device_unregister(&dev->dev);
}
......@@ -1038,24 +1036,23 @@ void usb_choose_address(struct usb_device *dev)
}
}
// hub-only!! ... and only exported for reset/reinit path.
// otherwise used internally, for usb_new_device()
int usb_set_address(struct usb_device *dev)
/**
* usb_release_address - deallocate device address (usbcore-internal)
* @dev: newly removed device
*
* Removes and deallocates the address assigned to a device.
* Only hub drivers (but not virtual root hub drivers for host
* controllers) should ever call this.
*/
void usb_release_address(struct usb_device *dev)
{
int retval;
if (dev->devnum == 0)
return -EINVAL;
if (dev->state != USB_STATE_DEFAULT && dev->state != USB_STATE_ADDRESS)
return -EINVAL;
retval = usb_control_msg(dev, usb_snddefctrl(dev), USB_REQ_SET_ADDRESS,
0, dev->devnum, 0, NULL, 0, HZ * USB_CTRL_SET_TIMEOUT);
if (retval == 0)
dev->state = USB_STATE_ADDRESS;
return retval;
if (dev->devnum > 0) {
clear_bit(dev->devnum, dev->bus->devmap.devicemap);
dev->devnum = -1;
}
}
static inline void usb_show_string(struct usb_device *dev, char *id, int index)
{
char *buf;
......@@ -1069,6 +1066,37 @@ static inline void usb_show_string(struct usb_device *dev, char *id, int index)
kfree(buf);
}
static int usb_choose_configuration(struct usb_device *dev)
{
int c, i;
c = dev->config[0].desc.bConfigurationValue;
if (dev->descriptor.bNumConfigurations != 1) {
for (i = 0; i < dev->descriptor.bNumConfigurations; i++) {
struct usb_interface_descriptor *desc;
/* heuristic: Linux is more likely to have class
* drivers, so avoid vendor-specific interfaces.
*/
desc = &dev->config[i].intf_cache[0]
->altsetting->desc;
if (desc->bInterfaceClass == USB_CLASS_VENDOR_SPEC)
continue;
/* COMM/2/all is CDC ACM, except 0xff is MSFT RNDIS */
if (desc->bInterfaceClass == USB_CLASS_COMM
&& desc->bInterfaceSubClass == 2
&& desc->bInterfaceProtocol == 0xff)
continue;
c = dev->config[i].desc.bConfigurationValue;
break;
}
dev_info(&dev->dev,
"configuration #%d chosen from %d choices\n",
c, dev->descriptor.bNumConfigurations);
}
return c;
}
/*
* usb_new_device - perform initial device setup (usbcore-internal)
* @dev: newly addressed device (in ADDRESS state)
......@@ -1090,8 +1118,7 @@ static inline void usb_show_string(struct usb_device *dev, char *id, int index)
int usb_new_device(struct usb_device *dev)
{
int err;
int i;
int config;
int c;
err = usb_get_configuration(dev);
if (err < 0) {
......@@ -1119,41 +1146,16 @@ int usb_new_device(struct usb_device *dev)
dev_err(&dev->dev, "can't device_add, error %d\n", err);
goto fail;
}
usb_create_driverfs_dev_files (dev);
usb_create_sysfs_dev_files (dev);
/* choose and set the configuration. that registers the interfaces
* with the driver core, and lets usb device drivers bind to them.
* NOTE: should interact with hub power budgeting.
*/
config = dev->config[0].desc.bConfigurationValue;
if (dev->descriptor.bNumConfigurations != 1) {
for (i = 0; i < dev->descriptor.bNumConfigurations; i++) {
struct usb_interface_descriptor *desc;
/* heuristic: Linux is more likely to have class
* drivers, so avoid vendor-specific interfaces.
*/
desc = &dev->config[i].intf_cache[0]
->altsetting->desc;
if (desc->bInterfaceClass == USB_CLASS_VENDOR_SPEC)
continue;
/* COMM/2/all is CDC ACM, except 0xff is MSFT RNDIS */
if (desc->bInterfaceClass == USB_CLASS_COMM
&& desc->bInterfaceSubClass == 2
&& desc->bInterfaceProtocol == 0xff)
continue;
config = dev->config[i].desc.bConfigurationValue;
break;
}
dev_info(&dev->dev,
"configuration #%d chosen from %d choices\n",
config,
dev->descriptor.bNumConfigurations);
}
err = usb_set_configuration(dev, config);
c = usb_choose_configuration(dev);
err = usb_set_configuration(dev, c);
if (err) {
dev_err(&dev->dev, "can't set config #%d, error %d\n",
config, err);
dev_err(&dev->dev, "can't set config #%d, error %d\n", c, err);
device_del(&dev->dev);
goto fail;
}
......@@ -1166,8 +1168,7 @@ int usb_new_device(struct usb_device *dev)
return 0;
fail:
dev->state = USB_STATE_NOTATTACHED;
clear_bit(dev->devnum, dev->bus->devmap.devicemap);
dev->devnum = -1;
usb_release_address(dev);
usb_put_dev(dev);
return err;
}
......
drivers/usb/core/usb.h
View file @ e9b73ef9
/* Functions local to drivers/usb/core/ */
extern void usb_create_driverfs_dev_files (struct usb_device *dev);
extern void usb_create_driverfs_intf_files (struct usb_interface *intf);
extern void usb_create_sysfs_dev_files (struct usb_device *dev);
extern void usb_create_sysfs_intf_files (struct usb_interface *intf);
extern int usb_probe_interface (struct device *dev);
extern int usb_unbind_interface (struct device *dev);
......
drivers/usb/gadget/Kconfig
View file @ e9b73ef9
......@@ -95,6 +95,7 @@ config USB_PXA2XX
config USB_PXA2XX_SMALL
depends on USB_GADGET_PXA2XX
bool
default n if USB_ETH_RNDIS
default y if USB_ZERO
default y if USB_ETH
default y if USB_G_SERIAL
......
drivers/usb/gadget/epautoconf.c
View file @ e9b73ef9
......@@ -96,7 +96,8 @@ ep_matches (
/* for now, avoid PXA "interrupt-in";
* it's documented as never using DATA1.
*/
if (gadget_is_pxa (gadget))
if (gadget_is_pxa (gadget)
&& 'i' == tmp [1])
return 0;
break;
case USB_ENDPOINT_XFER_BULK:
......
drivers/usb/gadget/serial.c
View file @ e9b73ef9
......@@ -154,14 +154,9 @@ do { \
#define GS_CLOSE_TIMEOUT 15
/* debug macro */
/* debug settings */
#if G_SERIAL_DEBUG
static int debug = G_SERIAL_DEBUG;
#else
static int debug = 0;
#endif
#if G_SERIAL_DEBUG
#define gs_debug(format, arg...) \
do { if (debug) printk(KERN_DEBUG format, ## arg); } while(0)
......@@ -598,8 +593,10 @@ MODULE_DESCRIPTION(GS_LONG_NAME);
MODULE_AUTHOR("Al Borchers");
MODULE_LICENSE("GPL");
#if G_SERIAL_DEBUG
MODULE_PARM(debug, "i");
MODULE_PARM_DESC(debug, "Enable debugging, 0=off, 1=on");
#endif
MODULE_PARM(read_q_size, "i");
MODULE_PARM_DESC(read_q_size, "Read request queue size, default=32");
......
drivers/usb/host/uhci-hcd.c
View file @ e9b73ef9
......@@ -95,6 +95,10 @@ static kmem_cache_t *uhci_up_cachep; /* urb_priv */
static int uhci_get_current_frame_number(struct uhci_hcd *uhci);
static int uhci_urb_dequeue(struct usb_hcd *hcd, struct urb *urb);
static void uhci_unlink_generic(struct uhci_hcd *uhci, struct urb *urb);
static void uhci_remove_pending_urbps(struct uhci_hcd *uhci);
static void uhci_finish_completion(struct usb_hcd *hcd, struct pt_regs *regs);
static void uhci_free_pending_qhs(struct uhci_hcd *uhci);
static void uhci_free_pending_tds(struct uhci_hcd *uhci);
static void hc_state_transitions(struct uhci_hcd *uhci);
......@@ -373,6 +377,7 @@ static void uhci_remove_qh(struct uhci_hcd *uhci, struct uhci_qh *qh)
{
struct uhci_qh *pqh;
u32 newlink;
unsigned int age;
if (!qh)
return;
......@@ -425,6 +430,12 @@ static void uhci_remove_qh(struct uhci_hcd *uhci, struct uhci_qh *qh)
list_del_init(&qh->urbp->queue_list);
qh->urbp = NULL;
age = uhci_get_current_frame_number(uhci);
if (age != uhci->qh_remove_age) {
uhci_free_pending_qhs(uhci);
uhci->qh_remove_age = age;
}
/* Check to see if the remove list is empty. Set the IOC bit */
/* to force an interrupt so we can remove the QH */
if (list_empty(&uhci->qh_remove_list))
......@@ -628,6 +639,7 @@ static void uhci_destroy_urb_priv(struct uhci_hcd *uhci, struct urb *urb)
{
struct list_head *head, *tmp;
struct urb_priv *urbp;
unsigned int age;
urbp = (struct urb_priv *)urb->hcpriv;
if (!urbp)
......@@ -637,6 +649,12 @@ static void uhci_destroy_urb_priv(struct uhci_hcd *uhci, struct urb *urb)
dev_warn(uhci_dev(uhci), "urb %p still on uhci->urb_list "
"or uhci->remove_list!\n", urb);
age = uhci_get_current_frame_number(uhci);
if (age != uhci->td_remove_age) {
uhci_free_pending_tds(uhci);
uhci->td_remove_age = age;
}
/* Check to see if the remove list is empty. Set the IOC bit */
/* to force an interrupt so we can remove the TD's*/
if (list_empty(&uhci->td_remove_list))
......@@ -1512,6 +1530,7 @@ static int uhci_urb_dequeue(struct usb_hcd *hcd, struct urb *urb)
struct uhci_hcd *uhci = hcd_to_uhci(hcd);
unsigned long flags;
struct urb_priv *urbp;
unsigned int age;
spin_lock_irqsave(&uhci->schedule_lock, flags);
urbp = urb->hcpriv;
......@@ -1521,6 +1540,12 @@ static int uhci_urb_dequeue(struct usb_hcd *hcd, struct urb *urb)
uhci_unlink_generic(uhci, urb);
age = uhci_get_current_frame_number(uhci);
if (age != uhci->urb_remove_age) {
uhci_remove_pending_urbps(uhci);
uhci->urb_remove_age = age;
}
/* If we're the first, set the next interrupt bit */
if (list_empty(&uhci->urb_remove_list))
uhci_set_next_interrupt(uhci);
......@@ -1590,6 +1615,12 @@ static void stall_callback(unsigned long ptr)
INIT_LIST_HEAD(&list);
spin_lock_irqsave(&uhci->schedule_lock, flags);
if (!list_empty(&uhci->urb_remove_list) &&
uhci_get_current_frame_number(uhci) != uhci->urb_remove_age) {
uhci_remove_pending_urbps(uhci);
uhci_finish_completion(hcd, NULL);
}
head = &uhci->urb_list;
tmp = head->next;
while (tmp != head) {
......@@ -1728,6 +1759,7 @@ static irqreturn_t uhci_irq(struct usb_hcd *hcd, struct pt_regs *regs)
unsigned int io_addr = uhci->io_addr;
unsigned short status;
struct list_head *tmp, *head;
unsigned int age;
/*
* Read the interrupt status, and write it back to clear the
......@@ -1758,11 +1790,20 @@ static irqreturn_t uhci_irq(struct usb_hcd *hcd, struct pt_regs *regs)
spin_lock(&uhci->schedule_lock);
age = uhci_get_current_frame_number(uhci);
if (age != uhci->qh_remove_age)
uhci_free_pending_qhs(uhci);
if (age != uhci->td_remove_age)
uhci_free_pending_tds(uhci);
if (age != uhci->urb_remove_age)
uhci_remove_pending_urbps(uhci);
if (list_empty(&uhci->urb_remove_list) &&
list_empty(&uhci->td_remove_list) &&
list_empty(&uhci->qh_remove_list))
uhci_clear_next_interrupt(uhci);
else
uhci_set_next_interrupt(uhci);
/* Walk the list of pending URB's to see which ones completed */
head = &uhci->urb_list;
......
drivers/usb/host/uhci-hcd.h
View file @ e9b73ef9
......@@ -357,12 +357,15 @@ struct uhci_hcd {
/* List of QH's that are done, but waiting to be unlinked (race) */
struct list_head qh_remove_list; /* P: uhci->schedule_lock */
unsigned int qh_remove_age; /* Age in frames */
/* List of TD's that are done, but waiting to be freed (race) */
struct list_head td_remove_list; /* P: uhci->schedule_lock */
unsigned int td_remove_age; /* Age in frames */
/* List of asynchronously unlinked URB's */
struct list_head urb_remove_list; /* P: uhci->schedule_lock */
unsigned int urb_remove_age; /* Age in frames */
/* List of URB's awaiting completion callback */
struct list_head complete_list; /* P: uhci->schedule_lock */
......
drivers/usb/input/hiddev.c
View file @ e9b73ef9
......@@ -232,7 +232,7 @@ static int hiddev_fasync(int fd, struct file *file, int on)
static struct usb_class_driver hiddev_class;
static void hiddev_cleanup(struct hiddev *hiddev)
{
hiddev_table[hiddev->hid->minor] = NULL;
hiddev_table[hiddev->hid->minor - HIDDEV_MINOR_BASE] = NULL;
usb_deregister_dev(hiddev->hid->intf, &hiddev_class);
kfree(hiddev);
}
......
drivers/usb/input/powermate.c
View file @ e9b73ef9
......@@ -33,6 +33,7 @@
#include <linux/input.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/spinlock.h>
#include <linux/usb.h>
#define POWERMATE_VENDOR 0x077d /* Griffin Technology, Inc. */
......@@ -67,7 +68,7 @@ struct powermate_device {
dma_addr_t configcr_dma;
struct usb_device *udev;
struct input_dev input;
struct semaphore lock;
spinlock_t lock;
int static_brightness;
int pulse_speed;
int pulse_table;
......@@ -116,7 +117,7 @@ static void powermate_irq(struct urb *urb, struct pt_regs *regs)
__FUNCTION__, retval);
}
/* Decide if we need to issue a control message and do so. Must be called with pm->lock down */
/* Decide if we need to issue a control message and do so. Must be called with pm->lock taken */
static void powermate_sync_state(struct powermate_device *pm)
{
if (pm->requires_update == 0)
......@@ -194,19 +195,22 @@ static void powermate_sync_state(struct powermate_device *pm)
static void powermate_config_complete(struct urb *urb, struct pt_regs *regs)
{
struct powermate_device *pm = urb->context;
unsigned long flags;
if (urb->status)
printk(KERN_ERR "powermate: config urb returned %d\n", urb->status);
down(&pm->lock);
spin_lock_irqsave(&pm->lock, flags);
powermate_sync_state(pm);
up(&pm->lock);
spin_unlock_irqrestore(&pm->lock, flags);
}
/* Set the LED up as described and begin the sync with the hardware if required */
static void powermate_pulse_led(struct powermate_device *pm, int static_brightness, int pulse_speed,
int pulse_table, int pulse_asleep, int pulse_awake)
{
unsigned long flags;
if (pulse_speed < 0)
pulse_speed = 0;
if (pulse_table < 0)
......@@ -219,7 +223,8 @@ static void powermate_pulse_led(struct powermate_device *pm, int static_brightne
pulse_asleep = !!pulse_asleep;
pulse_awake = !!pulse_awake;
down(&pm->lock);
spin_lock_irqsave(&pm->lock, flags);
/* mark state updates which are required */
if (static_brightness != pm->static_brightness){
......@@ -242,7 +247,7 @@ static void powermate_pulse_led(struct powermate_device *pm, int static_brightne
powermate_sync_state(pm);
up(&pm->lock);
spin_unlock_irqrestore(&pm->lock, flags);
}
/* Callback from the Input layer when an event arrives from userspace to configure the LED */
......@@ -344,7 +349,7 @@ static int powermate_probe(struct usb_interface *intf, const struct usb_device_i
return -ENOMEM;
}
init_MUTEX(&pm->lock);
pm->lock = SPIN_LOCK_UNLOCKED;
init_input_dev(&pm->input);
/* get a handle to the interrupt data pipe */
......@@ -411,7 +416,6 @@ static void powermate_disconnect(struct usb_interface *intf)
usb_set_intfdata(intf, NULL);
if (pm) {
down(&pm->lock);
pm->requires_update = 0;
usb_unlink_urb(pm->irq);
input_unregister_device(&pm->input);
......
drivers/usb/net/kaweth.c
View file @ e9b73ef9
......@@ -1240,20 +1240,21 @@ static int usb_start_wait_urb(struct urb *urb, int timeout, int* actual_length)
init_waitqueue_head(&awd.wqh);
awd.done = 0;
set_current_state(TASK_INTERRUPTIBLE);
add_wait_queue(&awd.wqh, &wait);
urb->context = &awd;
status = usb_submit_urb(urb, GFP_ATOMIC);
status = usb_submit_urb(urb, GFP_NOIO);
if (status) {
// something went wrong
usb_free_urb(urb);
set_current_state(TASK_RUNNING);
remove_wait_queue(&awd.wqh, &wait);
return status;
}
while (timeout && !awd.done)
set_current_state(TASK_UNINTERRUPTIBLE);
while (timeout && !awd.done) {
timeout = schedule_timeout(timeout);
set_current_state(TASK_UNINTERRUPTIBLE);
}
set_current_state(TASK_RUNNING);
remove_wait_queue(&awd.wqh, &wait);
......
drivers/usb/net/pegasus.h
View file @ e9b73ef9
......@@ -136,6 +136,7 @@ struct usb_eth_dev {
#define VENDOR_LANEED 0x056e
#define VENDOR_LINKSYS 0x066b
#define VENDOR_MELCO 0x0411
#define VENDOR_MICROSOFT 0x045e
#define VENDOR_MOBILITY 0x1342
#define VENDOR_NETGEAR 0x0846
#define VENDOR_OCT 0x0b39
......@@ -265,6 +266,8 @@ PEGASUS_DEV( "MELCO/BUFFALO LUA-TX", VENDOR_MELCO, 0x0005,
DEFAULT_GPIO_RESET )
PEGASUS_DEV( "MELCO/BUFFALO LUA2-TX", VENDOR_MELCO, 0x0009,
DEFAULT_GPIO_RESET | PEGASUS_II )
PEGASUS_DEV( "Microsoft MN-110", VENDOR_MICROSOFT, 0x007a,
DEFAULT_GPIO_RESET | PEGASUS_II )
PEGASUS_DEV( "NETGEAR FA101", VENDOR_NETGEAR, 0x1020,
DEFAULT_GPIO_RESET | PEGASUS_II )
PEGASUS_DEV( "OCT Inc.", VENDOR_OCT, 0x0109,
......
drivers/usb/serial/Kconfig
View file @ e9b73ef9
......@@ -314,8 +314,8 @@ config USB_SERIAL_KLSI
module will be called kl5kusb105.
config USB_SERIAL_KOBIL_SCT
tristate "USB KOBIL chipcard reader (EXPERIMENTAL)"
depends on USB_SERIAL && EXPERIMENTAL
tristate "USB KOBIL chipcard reader"
depends on USB_SERIAL
---help---
Say Y here if you want to use one of the following KOBIL USB chipcard
readers:
......
drivers/usb/serial/ftdi_sio.c
View file @ e9b73ef9
......@@ -17,6 +17,9 @@
* See http://ftdi-usb-sio.sourceforge.net for upto date testing info
* and extra documentation
*
* (27/May/2004) Ian Abbott
* Improved throttling code, mostly stolen from the WhiteHEAT driver.
*
* (26/Mar/2004) Jan Capek
* Added PID's for ICD-U20/ICD-U40 - incircuit PIC debuggers from CCS Inc.
*
......@@ -584,6 +587,10 @@ static struct usb_driver ftdi_driver = {
#define BUFSZ 512
#define PKTSZ 64
/* rx_flags */
#define THROTTLED 0x01
#define ACTUALLY_THROTTLED 0x02
struct ftdi_private {
ftdi_chip_type_t chip_type;
/* type of the device, either SIO or FT8U232AM */
......@@ -598,6 +605,8 @@ struct ftdi_private {
unsigned long last_dtr_rts; /* saved modem control outputs */
wait_queue_head_t delta_msr_wait; /* Used for TIOCMIWAIT */
char prev_status, diff_status; /* Used for TIOCMIWAIT */
__u8 rx_flags; /* receive state flags (throttling) */
spinlock_t rx_lock; /* spinlock for receive state */
int force_baud; /* if non-zero, force the baud rate to this value */
int force_rtscts; /* if non-zero, force RTS-CTS to always be enabled */
......@@ -625,6 +634,7 @@ static int ftdi_write_room (struct usb_serial_port *port);
static int ftdi_chars_in_buffer (struct usb_serial_port *port);
static void ftdi_write_bulk_callback (struct urb *urb, struct pt_regs *regs);
static void ftdi_read_bulk_callback (struct urb *urb, struct pt_regs *regs);
static void ftdi_process_read (struct usb_serial_port *port);
static void ftdi_set_termios (struct usb_serial_port *port, struct termios * old);
static int ftdi_tiocmget (struct usb_serial_port *port, struct file *file);
static int ftdi_tiocmset (struct usb_serial_port *port, struct file * file, unsigned int set, unsigned int clear);
......@@ -1110,6 +1120,7 @@ static int ftdi_common_startup (struct usb_serial *serial)
}
memset(priv, 0, sizeof(*priv));
spin_lock_init(&priv->rx_lock);
init_waitqueue_head(&priv->delta_msr_wait);
/* This will push the characters through immediately rather
than queue a task to deliver them */
......@@ -1273,8 +1284,8 @@ static void ftdi_shutdown (struct usb_serial *serial)
*/
if (priv) {
kfree(priv);
usb_set_serial_port_data(port, NULL);
kfree(priv);
}
} /* ftdi_shutdown */
......@@ -1284,6 +1295,7 @@ static int ftdi_open (struct usb_serial_port *port, struct file *filp)
struct termios tmp_termios;
struct usb_device *dev = port->serial->dev;
struct ftdi_private *priv = usb_get_serial_port_data(port);
unsigned long flags;
int result = 0;
char buf[1]; /* Needed for the usb_control_msg I think */
......@@ -1317,6 +1329,11 @@ static int ftdi_open (struct usb_serial_port *port, struct file *filp)
err("%s Error from RTS HIGH urb", __FUNCTION__);
}
/* Not throttled */
spin_lock_irqsave(&priv->rx_lock, flags);
priv->rx_flags &= ~(THROTTLED | ACTUALLY_THROTTLED);
spin_unlock_irqrestore(&priv->rx_lock, flags);
/* Start reading from the device */
usb_fill_bulk_urb(port->read_urb, dev,
usb_rcvbulkpipe(dev, port->bulk_in_endpointAddress),
......@@ -1370,7 +1387,12 @@ static void ftdi_close (struct usb_serial_port *port, struct file *filp)
/* shutdown our bulk read */
if (port->read_urb) {
if (usb_unlink_urb (port->read_urb) < 0) {
err("Error unlinking read urb");
/* Generally, this isn't an error. If the previous
read bulk callback occurred (or is about to occur)
while the port was being closed or was throtted
(and is still throttled), the read urb will not
have been submitted. */
dbg("%s - failed to unlink read urb (generally not an error)", __FUNCTION__);
}
}
} /* ftdi_close */
......@@ -1546,13 +1568,6 @@ static void ftdi_read_bulk_callback (struct urb *urb, struct pt_regs *regs)
struct usb_serial_port *port = (struct usb_serial_port *)urb->context;
struct tty_struct *tty;
struct ftdi_private *priv;
char error_flag;
unsigned char *data = urb->transfer_buffer;
int i;
int result;
int need_flip;
int packet_offset;
if (urb->number_of_packets > 0) {
err("%s transfer_buffer_length %d actual_length %d number of packets %d",__FUNCTION__,
......@@ -1560,7 +1575,7 @@ static void ftdi_read_bulk_callback (struct urb *urb, struct pt_regs *regs)
err("%s transfer_flags %x ", __FUNCTION__,urb->transfer_flags );
}
dbg("%s", __FUNCTION__);
dbg("%s - port %d", __FUNCTION__, port->number);
if (port->open_count <= 0)
return;
......@@ -1572,6 +1587,14 @@ static void ftdi_read_bulk_callback (struct urb *urb, struct pt_regs *regs)
}
priv = usb_get_serial_port_data(port);
if (!priv) {
dbg("%s - bad port private data pointer - exiting", __FUNCTION__);
return;
}
if (urb != port->read_urb) {
err("%s - Not my urb!", __FUNCTION__);
}
if (urb->status) {
/* This will happen at close every time so it is a dbg not an err */
......@@ -1579,6 +1602,59 @@ static void ftdi_read_bulk_callback (struct urb *urb, struct pt_regs *regs)
return;
}
/* If throttled, delay receive processing until unthrottled. */
spin_lock(&priv->rx_lock);
if (priv->rx_flags & THROTTLED) {
dbg("Deferring read urb processing until unthrottled");
priv->rx_flags |= ACTUALLY_THROTTLED;
spin_unlock(&priv->rx_lock);
return;
}
spin_unlock(&priv->rx_lock);
ftdi_process_read(port);
} /* ftdi_read_bulk_callback */
static void ftdi_process_read (struct usb_serial_port *port)
{ /* ftdi_process_read */
struct urb *urb;
struct tty_struct *tty;
struct ftdi_private *priv;
char error_flag;
unsigned char *data;
int i;
int result;
int need_flip;
int packet_offset;
dbg("%s - port %d", __FUNCTION__, port->number);
if (port->open_count <= 0)
return;
tty = port->tty;
if (!tty) {
dbg("%s - bad tty pointer - exiting",__FUNCTION__);
return;
}
priv = usb_get_serial_port_data(port);
if (!priv) {
dbg("%s - bad port private data pointer - exiting", __FUNCTION__);
return;
}
urb = port->read_urb;
if (!urb) {
dbg("%s - bad read_urb pointer - exiting", __FUNCTION__);
return;
}
data = urb->transfer_buffer;
/* The first two bytes of every read packet are status */
if (urb->actual_length > 2) {
usb_serial_debug_data (__FILE__, __FUNCTION__, urb->actual_length, data);
......@@ -1683,7 +1759,7 @@ static void ftdi_read_bulk_callback (struct urb *urb, struct pt_regs *regs)
}
return;
} /* ftdi_read_bulk_callback */
} /* ftdi_process_read */
static void ftdi_break_ctl( struct usb_serial_port *port, int break_state )
......@@ -2073,27 +2149,32 @@ static int ftdi_ioctl (struct usb_serial_port *port, struct file * file, unsigne
static void ftdi_throttle (struct usb_serial_port *port)
{
struct ftdi_private *priv = usb_get_serial_port_data(port);
unsigned long flags;
dbg("%s - port %d", __FUNCTION__, port->number);
usb_unlink_urb (port->read_urb);
spin_lock_irqsave(&priv->rx_lock, flags);
priv->rx_flags |= THROTTLED;
spin_unlock_irqrestore(&priv->rx_lock, flags);
}
static void ftdi_unthrottle (struct usb_serial_port *port)
{
int result;
struct ftdi_private *priv = usb_get_serial_port_data(port);
int actually_throttled;
unsigned long flags;
dbg("%s - port %d", __FUNCTION__, port->number);
port->read_urb->dev = port->serial->dev;
spin_lock_irqsave(&priv->rx_lock, flags);
actually_throttled = priv->rx_flags & ACTUALLY_THROTTLED;
priv->rx_flags &= ~(THROTTLED | ACTUALLY_THROTTLED);
spin_unlock_irqrestore(&priv->rx_lock, flags);
usb_fill_bulk_urb(port->read_urb, port->serial->dev,
usb_rcvbulkpipe(port->serial->dev, port->bulk_in_endpointAddress),
port->read_urb->transfer_buffer, port->read_urb->transfer_buffer_length,
ftdi_read_bulk_callback, port);
result = usb_submit_urb(port->read_urb, GFP_ATOMIC);
if (result)
err("%s - failed submitting read urb, error %d", __FUNCTION__, result);
if (actually_throttled)
ftdi_process_read(port);
}
static int __init ftdi_init (void)
......
drivers/usb/serial/kobil_sct.c
View file @ e9b73ef9
......@@ -21,6 +21,9 @@
* Supported readers: USB TWIN, KAAN Standard Plus and SecOVID Reader Plus
* (Adapter K), B1 Professional and KAAN Professional (Adapter B)
*
* (21/05/2004) tw
* Fix bug with P'n'P readers
*
* (28/05/2003) tw
* Add support for KAAN SIM
*
......@@ -59,7 +62,7 @@
#include "usb-serial.h"
/* Version Information */
#define DRIVER_VERSION "28/05/2003"
#define DRIVER_VERSION "21/05/2004"
#define DRIVER_AUTHOR "KOBIL Systems GmbH - http://www.kobil.com"
#define DRIVER_DESC "KOBIL USB Smart Card Terminal Driver (experimental)"
......@@ -339,6 +342,12 @@ static int kobil_open (struct usb_serial_port *port, struct file *filp)
);
dbg("%s - port %d Send reset_all_queues URB returns: %i", __FUNCTION__, port->number, result);
}
if (priv->device_type == KOBIL_USBTWIN_PRODUCT_ID || priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID ||
priv->device_type == KOBIL_KAAN_SIM_PRODUCT_ID) {
// start reading (Adapter B 'cause PNP string)
result = usb_submit_urb( port->interrupt_in_urb, GFP_ATOMIC );
dbg("%s - port %d Send read URB returns: %i", __FUNCTION__, port->number, result);
}
kfree(transfer_buffer);
return 0;
......@@ -456,6 +465,11 @@ static int kobil_write (struct usb_serial_port *port, int from_user,
if ( ((priv->device_type != KOBIL_ADAPTER_B_PRODUCT_ID) && (priv->filled > 2) && (priv->filled >= (priv->buf[1] + 3))) ||
((priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID) && (priv->filled > 3) && (priv->filled >= (priv->buf[2] + 4))) ) {
// stop reading (except TWIN and KAAN SIM)
if ( (priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID) || (priv->device_type == KOBIL_ADAPTER_K_PRODUCT_ID) ) {
usb_unlink_urb( port->interrupt_in_urb );
}
todo = priv->filled - priv->cur_pos;
while(todo > 0) {
......@@ -463,25 +477,23 @@ static int kobil_write (struct usb_serial_port *port, int from_user,
length = (todo < 8) ? todo : 8;
// copy data to transfer buffer
memcpy(port->write_urb->transfer_buffer, priv->buf + priv->cur_pos, length );
usb_fill_bulk_urb( port->write_urb,
usb_fill_int_urb( port->write_urb,
port->serial->dev,
usb_sndbulkpipe( port->serial->dev, priv->write_int_endpoint_address),
usb_sndintpipe(port->serial->dev, priv->write_int_endpoint_address),
port->write_urb->transfer_buffer,
length,
kobil_write_callback,
port
port,
8
);
priv->cur_pos = priv->cur_pos + length;
result = usb_submit_urb( port->write_urb, GFP_ATOMIC );
result = usb_submit_urb( port->write_urb, GFP_NOIO );
dbg("%s - port %d Send write URB returns: %i", __FUNCTION__, port->number, result);
todo = priv->filled - priv->cur_pos;
if (todo > 0) {
//mdelay(16);
set_current_state(TASK_UNINTERRUPTIBLE);
schedule_timeout(24 * HZ / 1000);
msleep(24);
}
} // end while
......@@ -492,10 +504,15 @@ static int kobil_write (struct usb_serial_port *port, int from_user,
// someone sets the dev to 0 if the close method has been called
port->interrupt_in_urb->dev = port->serial->dev;
// start reading
result = usb_submit_urb( port->interrupt_in_urb, GFP_ATOMIC );
// start reading (except TWIN and KAAN SIM)
if ( (priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID) || (priv->device_type == KOBIL_ADAPTER_K_PRODUCT_ID) ) {
// someone sets the dev to 0 if the close method has been called
port->interrupt_in_urb->dev = port->serial->dev;
result = usb_submit_urb( port->interrupt_in_urb, GFP_NOIO );
dbg("%s - port %d Send read URB returns: %i", __FUNCTION__, port->number, result);
}
}
return count;
}
......
drivers/usb/serial/visor.c
View file @ e9b73ef9
......@@ -680,7 +680,7 @@ static int palm_os_3_probe (struct usb_serial *serial, const struct usb_device_i
char *string;
int retval = 0;
int i;
int num_ports;
int num_ports = 0;
dbg("%s", __FUNCTION__);
......@@ -703,15 +703,11 @@ static int palm_os_3_probe (struct usb_serial *serial, const struct usb_device_i
goto exit;
}
if (retval == sizeof(*connection_info)) {
connection_info = (struct visor_connection_info *)transfer_buffer;
le16_to_cpus(&connection_info->num_ports);
num_ports = connection_info->num_ports;
/* handle devices that report invalid stuff here */
if (num_ports > 2)
num_ports = 2;
dev_info(dev, "%s: Number of ports: %d\n", serial->type->name,
connection_info->num_ports);
for (i = 0; i < num_ports; ++i) {
switch (connection_info->connections[i].port_function_id) {
......@@ -734,9 +730,22 @@ static int palm_os_3_probe (struct usb_serial *serial, const struct usb_device_i
string = "unknown";
break;
}
dev_info(dev, "%s: port %d, is for %s use\n", serial->type->name,
dev_info(dev, "%s: port %d, is for %s use\n",
serial->type->name,
connection_info->connections[i].port, string);
}
}
/*
* Handle devices that report invalid stuff here.
*/
if (num_ports == 0 || num_ports > 2) {
dev_warn (dev, "%s: No valid connect info available\n",
serial->type->name);
num_ports = 2;
}
dev_info(dev, "%s: Number of ports: %d\n", serial->type->name,
num_ports);
/*
* save off our num_ports info so that we can use it in the
......@@ -868,8 +877,7 @@ static int clie_3_5_startup (struct usb_serial *serial)
static int treo_attach (struct usb_serial *serial)
{
struct usb_serial_port *port;
int i;
struct usb_serial_port *swap_port;
/* Only do this endpoint hack for the Handspring devices with
* interrupt in endpoints, which for now are the Treo devices. */
......@@ -879,31 +887,28 @@ static int treo_attach (struct usb_serial *serial)
dbg("%s", __FUNCTION__);
/* Ok, this is pretty ugly, but these devices want to use the
* interrupt endpoint as paired up with a bulk endpoint for a
* "virtual serial port". So let's force the endpoints to be
* where we want them to be. */
for (i = serial->num_bulk_in; i < serial->num_ports; ++i) {
port = serial->port[i];
port->read_urb = serial->port[0]->read_urb;
port->bulk_in_endpointAddress = serial->port[0]->bulk_in_endpointAddress;
port->bulk_in_buffer = serial->port[0]->bulk_in_buffer;
}
for (i = serial->num_bulk_out; i < serial->num_ports; ++i) {
port = serial->port[i];
port->write_urb = serial->port[0]->write_urb;
port->bulk_out_size = serial->port[0]->bulk_out_size;
port->bulk_out_endpointAddress = serial->port[0]->bulk_out_endpointAddress;
port->bulk_out_buffer = serial->port[0]->bulk_out_buffer;
}
for (i = serial->num_interrupt_in; i < serial->num_ports; ++i) {
port = serial->port[i];
port->interrupt_in_urb = serial->port[0]->interrupt_in_urb;
port->interrupt_in_endpointAddress = serial->port[0]->interrupt_in_endpointAddress;
port->interrupt_in_buffer = serial->port[0]->interrupt_in_buffer;
}
/*
* It appears that Treos want to use the 1st interrupt endpoint to
* communicate with the 2nd bulk out endpoint, so let's swap the 1st
* and 2nd bulk in and interrupt endpoints. Note that swapping the
* bulk out endpoints would break lots of apps that want to communicate
* on the second port.
*/
#define COPY_PORT(dest, src) \
dest->read_urb = src->read_urb; \
dest->bulk_in_endpointAddress = src->bulk_in_endpointAddress; \
dest->bulk_in_buffer = src->bulk_in_buffer; \
dest->interrupt_in_urb = src->interrupt_in_urb; \
dest->interrupt_in_endpointAddress = src->interrupt_in_endpointAddress; \
dest->interrupt_in_buffer = src->interrupt_in_buffer;
swap_port = kmalloc(sizeof(*swap_port), GFP_KERNEL);
if (!swap_port)
return -ENOMEM;
COPY_PORT(swap_port, serial->port[0]);
COPY_PORT(serial->port[0], serial->port[1]);
COPY_PORT(serial->port[1], swap_port);
kfree(swap_port);
return 0;
}
......
drivers/usb/storage/transport.c
View file @ e9b73ef9
......@@ -1112,8 +1112,7 @@ static int usb_stor_reset_common(struct us_data *us,
/* long wait for reset, so unlock to allow disconnects */
up(&us->dev_semaphore);
set_current_state(TASK_UNINTERRUPTIBLE);
schedule_timeout(HZ*6);
msleep(6000);
down(&us->dev_semaphore);
if (test_bit(US_FLIDX_DISCONNECTING, &us->flags)) {
US_DEBUGP("Reset interrupted by disconnect\n");
......
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