Merge bk://kernel.bkbits.net/gregkh/linux/i2c-2.6

into ppc970.osdl.org:/home/torvalds/v2.6/linux

drivers/i2c/busses/i2c-elektor.c

@@ -59,6 +59,7 @@ static int mmapped;
 
 static wait_queue_head_t pcf_wait;
 static int pcf_pending;
+static spinlock_t lock;
 
 /* ----- local functions ----------------------------------------------	*/
 
@@ -79,10 +80,10 @@ static void pcf_isa_setbyte(void *data, int ctl, int val)
 		break;
 	case 2: /* double mapped I/O needed for UP2000 board,
                    I don't know why this... */
-		writeb(val, address);
+		writeb(val, (void *)address);
 		/* fall */
 	case 1: /* memory mapped I/O */
-		writeb(val, address);
+		writeb(val, (void *)address);
 		break;
 	}
 }
@@ -90,7 +91,7 @@ static void pcf_isa_setbyte(void *data, int ctl, int val)
 static int pcf_isa_getbyte(void *data, int ctl)
 {
 	int address = ctl ? (base + 1) : base;
-	int val = mmapped ? readb(address) : inb(address);
+	int val = mmapped ? readb((void *)address) : inb(address);
 
 	pr_debug("i2c-elektor: Read 0x%X 0x%02X\n", address, val);
 
@@ -111,14 +112,24 @@ static int pcf_isa_getclock(void *data)
 static void pcf_isa_waitforpin(void) {
 
 	int timeout = 2;
+	long flags;
 
 	if (irq > 0) {
-		cli();
+		spin_lock_irqsave(&lock, flags);
 		if (pcf_pending == 0) {
-			interruptible_sleep_on_timeout(&pcf_wait, timeout*HZ );
-		} else
+			spin_unlock_irqrestore(&lock, flags);
+			if (interruptible_sleep_on_timeout(&pcf_wait,
+								timeout*HZ)) {
+				spin_lock_irqsave(&lock, flags);
+				if (pcf_pending == 1) {
+					pcf_pending = 0;
+				}
+				spin_unlock_irqrestore(&lock, flags);
+			}
+		} else {
 			pcf_pending = 0;
-		sti();
+			spin_unlock_irqrestore(&lock, flags);
+		}
 	} else {
 		udelay(100);
 	}
@@ -126,7 +137,9 @@ static void pcf_isa_waitforpin(void) {
 
 
 static irqreturn_t pcf_isa_handler(int this_irq, void *dev_id, struct pt_regs *regs) {
+	spin_lock(&lock);
 	pcf_pending = 1;
+	spin_unlock(&lock);
 	wake_up_interruptible(&pcf_wait);
 	return IRQ_HANDLED;
 }
@@ -134,6 +147,7 @@ static irqreturn_t pcf_isa_handler(int this_irq, void *dev_id, struct pt_regs *r
 
 static int pcf_isa_init(void)
 {
+	spin_lock_init(&lock);
 	if (!mmapped) {
 		if (!request_region(base, 2, "i2c (isa bus adapter)")) {
 			printk(KERN_ERR

drivers/i2c/busses/i2c-ite.c

@@ -62,6 +62,7 @@ static int own;
 static struct iic_ite gpi;
 static wait_queue_head_t iic_wait;
 static int iic_pending;
+static spinlock_t lock;
 
 /* ----- local functions ----------------------------------------------	*/
 
@@ -108,6 +109,7 @@ static int iic_ite_getclock(void *data)
 static void iic_ite_waitforpin(void) {
 
    int timeout = 2;
+   long flags;
 
    /* If interrupts are enabled (which they are), then put the process to
     * sleep.  This process will be awakened by two events -- either the
@@ -116,24 +118,36 @@ static void iic_ite_waitforpin(void) {
     * of time and return.
     */
    if (gpi.iic_irq > 0) {
-	cli();
+	spin_lock_irqsave(&lock, flags);
 	if (iic_pending == 0) {
-		interruptible_sleep_on_timeout(&iic_wait, timeout*HZ );
-	} else
+		spin_unlock_irqrestore(&lock, flags);
+		if (interruptible_sleep_on_timeout(&iic_wait, timeout*HZ)) {
+			spin_lock_irqsave(&lock, flags);
+			if (iic_pending == 1) {
+				iic_pending = 0;
+			}
+			spin_unlock_irqrestore(&lock, flags);
+		}
+	} else {
 		iic_pending = 0;
-	sti();
+		spin_unlock_irqrestore(&lock, flags);
+	}
    } else {
       udelay(100);
    }
 }
 
 
-static void iic_ite_handler(int this_irq, void *dev_id, struct pt_regs *regs) 
+static irqreturn_t iic_ite_handler(int this_irq, void *dev_id,
+							struct pt_regs *regs)
 {
-	
-   iic_pending = 1;
+	spin_lock(&lock);
+	iic_pending = 1;
+	spin_unlock(&lock);
+
+	wake_up_interruptible(&iic_wait);
 
-   wake_up_interruptible(&iic_wait);
+	return IRQ_HANDLED;
 }
 
 
@@ -221,6 +235,7 @@ static int __init iic_ite_init(void)
 
 	iic_ite_data.data = (void *)piic;
 	init_waitqueue_head(&iic_wait);
+	spin_lock_init(&lock);
 	if (iic_hw_resrc_init() == 0) {
 		if (i2c_iic_add_bus(&iic_ite_ops) < 0)
 			return -ENODEV;

drivers/i2c/busses/i2c-nforce2.c

@@ -24,9 +24,10 @@
 */
 
 /*
-    SUPPORTED DEVICES	PCI ID
-    nForce2 MCP		0064
-    nForce3 Pro150 MCP	00D4
+    SUPPORTED DEVICES		PCI ID
+    nForce2 MCP			0064
+    nForce2 Ultra 400 MCP	0084
+    nForce3 Pro150 MCP		00D4
 
     This driver supports the 2 SMBuses that are included in the MCP2 of the
     nForce2 chipset.
@@ -291,6 +292,8 @@ static u32 nforce2_func(struct i2c_adapter *adapter)
 static struct pci_device_id nforce2_ids[] = {
 	{ PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE2_SMBUS,
 	       	PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
+	{ PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE2S_SMBUS,
+	       	PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
 	{ PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE3_SMBUS,
 	       	PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
 	{ 0 }

drivers/i2c/chips/Kconfig

@@ -32,6 +32,15 @@ config SENSORS_ADM1025
 	  This driver can also be built as a module.  If so, the module
 	  will be called adm1025.
 
+config SENSORS_ADM1026
+	tristate "Analog Devices ADM1026 and compatibles"
+	depends on I2C && EXPERIMENTAL
+	select I2C_SENSOR
+	help
+	  If you say yes here you get support for Analog Devices ADM1026
+	  This driver can also be built as a module.  If so, the module
+	  will be called adm1026.
+
 config SENSORS_ADM1031
 	tristate "Analog Devices ADM1031 and compatibles"
 	depends on I2C && EXPERIMENTAL

drivers/i2c/chips/Makefile

@@ -9,6 +9,7 @@ obj-$(CONFIG_SENSORS_W83781D)	+= w83781d.o
 
 obj-$(CONFIG_SENSORS_ADM1021)	+= adm1021.o
 obj-$(CONFIG_SENSORS_ADM1025)	+= adm1025.o
+obj-$(CONFIG_SENSORS_ADM1026)	+= adm1026.o
 obj-$(CONFIG_SENSORS_ADM1031)	+= adm1031.o
 obj-$(CONFIG_SENSORS_DS1621)	+= ds1621.o
 obj-$(CONFIG_SENSORS_EEPROM)	+= eeprom.o

drivers/i2c/chips/w83l785ts.c

@@ -280,14 +280,17 @@ static u8 w83l785ts_read_value(struct i2c_client *client, u8 reg, u8 defval)
 	 * default value requested by the caller. */
 	for (i = 1; i <= MAX_RETRIES; i++) {
 		value = i2c_smbus_read_byte_data(client, reg);
-		if (value >= 0)
+		if (value >= 0) {
+			dev_dbg(&client->dev, "Read 0x%02x from register "
+				"0x%02x.\n", value, reg);
 			return value;
+		}
 		dev_dbg(&client->dev, "Read failed, will retry in %d.\n", i);
 		msleep(i);
 	}
 
-	dev_err(&client->dev, "Couldn't read value from register. "
-		"Please report.\n");
+	dev_err(&client->dev, "Couldn't read value from register 0x%02x. "
+		"Please report.\n", reg);
 	return defval;
 }
 

drivers/macintosh/therm_adt746x.c

@@ -170,11 +170,11 @@ detach_thermostat(struct i2c_adapter *adapter)
 }
 
 static struct i2c_driver thermostat_driver = {  
-	.name		="Apple Thermostat ADT746x",
-	.id		=0xDEAD7467,
-	.flags		=I2C_DF_NOTIFY,
-	.attach_adapter	=&attach_thermostat,
-	.detach_adapter	=&detach_thermostat,
+	.owner		= THIS_MODULE,
+	.name		= "therm_adt746x",
+	.flags		= I2C_DF_NOTIFY,
+	.attach_adapter	= attach_thermostat,
+	.detach_adapter	= detach_thermostat,
 };
 
 static int read_fan_speed(struct thermostat *th, u8 addr)
@@ -381,7 +381,6 @@ static int attach_one_thermostat(struct i2c_adapter *adapter, int addr,
 	th->clt.addr = addr;
 	th->clt.adapter = adapter;
 	th->clt.driver = &thermostat_driver;
-	th->clt.id = 0xDEAD7467;
 	strcpy(th->clt.name, "thermostat");
 
 	rc = read_reg(th, 0);

drivers/macintosh/therm_pm72.c

@@ -235,8 +235,8 @@ static int therm_pm72_detach(struct i2c_adapter *adapter);
 
 static struct i2c_driver therm_pm72_driver =
 {
+	.owner		= THIS_MODULE,
 	.name		= "therm_pm72",
-	.id		= 0xDEADBEEF,
 	.flags		= I2C_DF_NOTIFY,
 	.attach_adapter	= therm_pm72_attach,
 	.detach_adapter	= therm_pm72_detach,
@@ -266,7 +266,6 @@ static struct i2c_client *attach_i2c_chip(int id, const char *name)
 	clt->addr = (id >> 1) & 0x7f;
 	clt->adapter = adap;
 	clt->driver = &therm_pm72_driver;
-	clt->id = 0xDEADBEEF;
 	strncpy(clt->name, name, I2C_NAME_SIZE-1);
 
 	if (i2c_attach_client(clt)) {

drivers/macintosh/therm_windtunnel.c

@@ -353,12 +353,12 @@ do_detach( struct i2c_client *client )
 }
 
 static struct i2c_driver g4fan_driver = {  
-	.name		= "Apple G4 Thermostat/Fan",
+	.owner		= THIS_MODULE,
+	.name		= "therm_windtunnel",
 	.id		= I2C_DRIVERID_G4FAN,
 	.flags		= I2C_DF_NOTIFY,
-	.attach_adapter = &do_attach,
-	.detach_client	= &do_detach,
-	.command	= NULL,
+	.attach_adapter = do_attach,
+	.detach_client	= do_detach,
 };
 
 static int

drivers/w1/Kconfig

@@ -30,7 +30,7 @@ config W1_DS9490
 	  This support is also available as a module.  If so, the module 
 	  will be called ds9490r.ko.
 
-config W1_DS9490R_BRIDGE
+config W1_DS9490_BRIDGE
 	tristate "DS9490R USB <-> W1 transport layer for 1-wire"
 	depends on W1_DS9490
 	help

drivers/w1/dscore.c

@@ -35,26 +35,26 @@ MODULE_DEVICE_TABLE(usb, ds_id_table);
 int ds_probe(struct usb_interface *, const struct usb_device_id *);
 void ds_disconnect(struct usb_interface *);
 
-inline int ds_touch_bit(struct ds_device *, u8, u8 *);
-inline int ds_read_byte(struct ds_device *, u8 *);
-inline int ds_read_bit(struct ds_device *, u8 *);
-inline int ds_write_byte(struct ds_device *, u8);
-inline int ds_write_bit(struct ds_device *, u8);
-inline int ds_start_pulse(struct ds_device *, int);
-inline int ds_set_speed(struct ds_device *, int);
-inline int ds_reset(struct ds_device *, struct ds_status *);
-inline int ds_detect(struct ds_device *, struct ds_status *);
-inline int ds_stop_pulse(struct ds_device *, int);
-inline int ds_send_data(struct ds_device *, unsigned char *, int);
-inline int ds_recv_data(struct ds_device *, unsigned char *, int);
-inline int ds_recv_status(struct ds_device *, struct ds_status *);
-inline struct ds_device * ds_get_device(void);
-inline void ds_put_device(struct ds_device *);
+int ds_touch_bit(struct ds_device *, u8, u8 *);
+int ds_read_byte(struct ds_device *, u8 *);
+int ds_read_bit(struct ds_device *, u8 *);
+int ds_write_byte(struct ds_device *, u8);
+int ds_write_bit(struct ds_device *, u8);
+int ds_start_pulse(struct ds_device *, int);
+int ds_set_speed(struct ds_device *, int);
+int ds_reset(struct ds_device *, struct ds_status *);
+int ds_detect(struct ds_device *, struct ds_status *);
+int ds_stop_pulse(struct ds_device *, int);
+int ds_send_data(struct ds_device *, unsigned char *, int);
+int ds_recv_data(struct ds_device *, unsigned char *, int);
+int ds_recv_status(struct ds_device *, struct ds_status *);
+struct ds_device * ds_get_device(void);
+void ds_put_device(struct ds_device *);
 
 static inline void ds_dump_status(unsigned char *, unsigned char *, int);
-static inline int ds_send_control(struct ds_device *, u16, u16);
-static inline int ds_send_control_mode(struct ds_device *, u16, u16);
-static inline int ds_send_control_cmd(struct ds_device *, u16, u16);
+static int ds_send_control(struct ds_device *, u16, u16);
+static int ds_send_control_mode(struct ds_device *, u16, u16);
+static int ds_send_control_cmd(struct ds_device *, u16, u16);
 
 
 static struct usb_driver ds_driver = {
@@ -503,7 +503,7 @@ int ds_read_byte(struct ds_device *dev, u8 *byte)
 	return 0;
 }
 
-inline int ds_read_block(struct ds_device *dev, u8 *buf, int len)
+int ds_read_block(struct ds_device *dev, u8 *buf, int len)
 {
 	struct ds_status st;
 	int err;
@@ -529,7 +529,7 @@ inline int ds_read_block(struct ds_device *dev, u8 *buf, int len)
 	return err;
 }
 
-inline int ds_write_block(struct ds_device *dev, u8 *buf, int len)
+int ds_write_block(struct ds_device *dev, u8 *buf, int len)
 {
 	int err;
 	struct ds_status st;

drivers/w1/dscore.h

@@ -151,23 +151,23 @@ struct ds_status
 
 };
 
-inline int ds_touch_bit(struct ds_device *, u8, u8 *);
-inline int ds_read_byte(struct ds_device *, u8 *);
-inline int ds_read_bit(struct ds_device *, u8 *);
-inline int ds_write_byte(struct ds_device *, u8);
-inline int ds_write_bit(struct ds_device *, u8);
-inline int ds_start_pulse(struct ds_device *, int);
-inline int ds_set_speed(struct ds_device *, int);
-inline int ds_reset(struct ds_device *, struct ds_status *);
-inline int ds_detect(struct ds_device *, struct ds_status *);
-inline int ds_stop_pulse(struct ds_device *, int);
-inline int ds_send_data(struct ds_device *, unsigned char *, int);
-inline int ds_recv_data(struct ds_device *, unsigned char *, int);
-inline int ds_recv_status(struct ds_device *, struct ds_status *);
-inline struct ds_device * ds_get_device(void);
-inline void ds_put_device(struct ds_device *);
-inline int ds_write_block(struct ds_device *, u8 *, int);
-inline int ds_read_block(struct ds_device *, u8 *, int);
+int ds_touch_bit(struct ds_device *, u8, u8 *);
+int ds_read_byte(struct ds_device *, u8 *);
+int ds_read_bit(struct ds_device *, u8 *);
+int ds_write_byte(struct ds_device *, u8);
+int ds_write_bit(struct ds_device *, u8);
+int ds_start_pulse(struct ds_device *, int);
+int ds_set_speed(struct ds_device *, int);
+int ds_reset(struct ds_device *, struct ds_status *);
+int ds_detect(struct ds_device *, struct ds_status *);
+int ds_stop_pulse(struct ds_device *, int);
+int ds_send_data(struct ds_device *, unsigned char *, int);
+int ds_recv_data(struct ds_device *, unsigned char *, int);
+int ds_recv_status(struct ds_device *, struct ds_status *);
+struct ds_device * ds_get_device(void);
+void ds_put_device(struct ds_device *);
+int ds_write_block(struct ds_device *, u8 *, int);
+int ds_read_block(struct ds_device *, u8 *, int);
 
 #endif /* __DSCORE_H */
 

drivers/w1/w1_int.c

@@ -89,17 +89,14 @@ struct w1_master * w1_alloc_dev(u32 id, int slave_count, int slave_ttl,
 	dev->seq = 1;
 	dev->nls = netlink_kernel_create(NETLINK_NFLOG, NULL);
 	if (!dev->nls) {
-		printk(KERN_ERR "Failed to create new netlink socket(%u).\n",
-			NETLINK_NFLOG);
-		memset(dev, 0, sizeof(struct w1_master));
-		kfree(dev);
-		dev = NULL;
+		printk(KERN_ERR "Failed to create new netlink socket(%u) for w1 master %s.\n",
+			NETLINK_NFLOG, dev->dev.bus_id);
 	}
 
 	err = device_register(&dev->dev);
 	if (err) {
 		printk(KERN_ERR "Failed to register master device. err=%d\n", err);
-		if (dev->nls->sk_socket)
+		if (dev->nls && dev->nls->sk_socket)
 			sock_release(dev->nls->sk_socket);
 		memset(dev, 0, sizeof(struct w1_master));
 		kfree(dev);
@@ -112,7 +109,7 @@ struct w1_master * w1_alloc_dev(u32 id, int slave_count, int slave_ttl,
 void w1_free_dev(struct w1_master *dev)
 {
 	device_unregister(&dev->dev);
-	if (dev->nls->sk_socket)
+	if (dev->nls && dev->nls->sk_socket)
 		sock_release(dev->nls->sk_socket);
 	memset(dev, 0, sizeof(struct w1_master) + sizeof(struct w1_bus_master));
 	kfree(dev);

drivers/w1/w1_netlink.c

@@ -34,6 +34,9 @@ void w1_netlink_send(struct w1_master *dev, struct w1_netlink_msg *msg)
 	struct w1_netlink_msg *data;
 	struct nlmsghdr *nlh;
 
+	if (!dev->nls)
+		return;
+
 	size = NLMSG_SPACE(sizeof(struct w1_netlink_msg));
 
 	skb = alloc_skb(size, GFP_ATOMIC);

include/linux/pci_ids.h

@@ -1087,6 +1087,7 @@
 #define PCI_DEVICE_ID_NVIDIA_NFORCE2_IDE	0x0065
 #define PCI_DEVICE_ID_NVIDIA_NVENET_2		0x0066
 #define PCI_DEVICE_ID_NVIDIA_MCP2_AUDIO		0x006a
+#define PCI_DEVICE_ID_NVIDIA_NFORCE2S_SMBUS	0x0084
 #define PCI_DEVICE_ID_NVIDIA_NFORCE2S_IDE	0x0085
 #define PCI_DEVICE_ID_NVIDIA_NVENET_4		0x0086
 #define PCI_DEVICE_ID_NVIDIA_NVENET_5		0x008c