Commit 12308a2f authored by Len Brown's avatar Len Brown

Merge branches 'misc', 'eeepc-laptop' and 'bugzilla-14445' into release

This diff is collapsed.
......@@ -103,9 +103,9 @@
#define ACPI_MAX_REFERENCE_COUNT 0x1000
/* Size of cached memory mapping for system memory operation region */
/* Default page size for use in mapping memory for operation regions */
#define ACPI_SYSMEM_REGION_WINDOW_SIZE 4096
#define ACPI_DEFAULT_PAGE_SIZE 4096 /* Must be power of 2 */
/* owner_id tracking. 8 entries allows for 255 owner_ids */
......
......@@ -77,7 +77,8 @@ acpi_ex_system_memory_space_handler(u32 function,
void *logical_addr_ptr = NULL;
struct acpi_mem_space_context *mem_info = region_context;
u32 length;
acpi_size window_size;
acpi_size map_length;
acpi_size page_boundary_map_length;
#ifdef ACPI_MISALIGNMENT_NOT_SUPPORTED
u32 remainder;
#endif
......@@ -144,25 +145,39 @@ acpi_ex_system_memory_space_handler(u32 function,
}
/*
* Don't attempt to map memory beyond the end of the region, and
* constrain the maximum mapping size to something reasonable.
* Attempt to map from the requested address to the end of the region.
* However, we will never map more than one page, nor will we cross
* a page boundary.
*/
window_size = (acpi_size)
map_length = (acpi_size)
((mem_info->address + mem_info->length) - address);
if (window_size > ACPI_SYSMEM_REGION_WINDOW_SIZE) {
window_size = ACPI_SYSMEM_REGION_WINDOW_SIZE;
/*
* If mapping the entire remaining portion of the region will cross
* a page boundary, just map up to the page boundary, do not cross.
* On some systems, crossing a page boundary while mapping regions
* can cause warnings if the pages have different attributes
* due to resource management
*/
page_boundary_map_length =
ACPI_ROUND_UP(address, ACPI_DEFAULT_PAGE_SIZE) - address;
if (!page_boundary_map_length) {
page_boundary_map_length = ACPI_DEFAULT_PAGE_SIZE;
}
if (map_length > page_boundary_map_length) {
map_length = page_boundary_map_length;
}
/* Create a new mapping starting at the address given */
mem_info->mapped_logical_address =
acpi_os_map_memory((acpi_physical_address) address, window_size);
mem_info->mapped_logical_address = acpi_os_map_memory((acpi_physical_address) address, map_length);
if (!mem_info->mapped_logical_address) {
ACPI_ERROR((AE_INFO,
"Could not map memory at %8.8X%8.8X, size %X",
ACPI_FORMAT_NATIVE_UINT(address),
(u32) window_size));
(u32) map_length));
mem_info->mapped_length = 0;
return_ACPI_STATUS(AE_NO_MEMORY);
}
......@@ -170,7 +185,7 @@ acpi_ex_system_memory_space_handler(u32 function,
/* Save the physical address and mapping size */
mem_info->mapped_physical_address = address;
mem_info->mapped_length = window_size;
mem_info->mapped_length = map_length;
}
/*
......
......@@ -294,7 +294,11 @@ static int set_acpi_trip(struct acpi_power_meter_resource *resource)
return -EINVAL;
}
return data;
/* _PTP returns 0 on success, nonzero otherwise */
if (data)
return -EINVAL;
return 0;
}
static ssize_t set_trip(struct device *dev, struct device_attribute *devattr,
......
......@@ -393,7 +393,7 @@ acpi_system_write_wakeup_device(struct file *file,
struct list_head *node, *next;
char strbuf[5];
char str[5] = "";
int len = count;
unsigned int len = count;
struct acpi_device *found_dev = NULL;
if (len > 4)
......
......@@ -770,7 +770,7 @@ static struct notifier_block acpi_cpu_notifier =
.notifier_call = acpi_cpu_soft_notify,
};
static int acpi_processor_add(struct acpi_device *device)
static int __cpuinit acpi_processor_add(struct acpi_device *device)
{
struct acpi_processor *pr = NULL;
int result = 0;
......
......@@ -1133,15 +1133,15 @@ int acpi_processor_get_throttling_info(struct acpi_processor *pr)
int result = 0;
struct acpi_processor_throttling *pthrottling;
if (!pr)
return -EINVAL;
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"pblk_address[0x%08x] duty_offset[%d] duty_width[%d]\n",
pr->throttling.address,
pr->throttling.duty_offset,
pr->throttling.duty_width));
if (!pr)
return -EINVAL;
/*
* Evaluate _PTC, _TSS and _TPC
* They must all be present or none of them can be used.
......
......@@ -1223,7 +1223,7 @@ acpi_video_device_write_state(struct file *file,
u32 state = 0;
if (!dev || count + 1 > sizeof str)
if (!dev || count >= sizeof(str))
return -EINVAL;
if (copy_from_user(str, buffer, count))
......@@ -1280,7 +1280,7 @@ acpi_video_device_write_brightness(struct file *file,
int i;
if (!dev || !dev->brightness || count + 1 > sizeof str)
if (!dev || !dev->brightness || count >= sizeof(str))
return -EINVAL;
if (copy_from_user(str, buffer, count))
......@@ -1562,7 +1562,7 @@ acpi_video_bus_write_POST(struct file *file,
unsigned long long opt, options;
if (!video || count + 1 > sizeof str)
if (!video || count >= sizeof(str))
return -EINVAL;
status = acpi_video_bus_POST_options(video, &options);
......@@ -1602,7 +1602,7 @@ acpi_video_bus_write_DOS(struct file *file,
unsigned long opt;
if (!video || count + 1 > sizeof str)
if (!video || count >= sizeof(str))
return -EINVAL;
if (copy_from_user(str, buffer, count))
......
......@@ -150,8 +150,6 @@ struct eeepc_hotk {
/* The actual device the driver binds to */
static struct eeepc_hotk *ehotk;
static void eeepc_rfkill_hotplug(bool real);
/* Platform device/driver */
static int eeepc_hotk_thaw(struct device *device);
static int eeepc_hotk_restore(struct device *device);
......@@ -345,16 +343,7 @@ static bool eeepc_wlan_rfkill_blocked(void)
static int eeepc_rfkill_set(void *data, bool blocked)
{
unsigned long asl = (unsigned long)data;
int ret;
if (asl != CM_ASL_WLAN)
return set_acpi(asl, !blocked);
/* hack to avoid panic with rt2860sta */
if (blocked)
eeepc_rfkill_hotplug(false);
ret = set_acpi(asl, !blocked);
return ret;
}
static const struct rfkill_ops eeepc_rfkill_ops = {
......@@ -367,6 +356,7 @@ static void __devinit eeepc_enable_camera(void)
* If the following call to set_acpi() fails, it's because there's no
* camera so we can ignore the error.
*/
if (get_acpi(CM_ASL_CAMERA) == 0)
set_acpi(CM_ASL_CAMERA, 1);
}
......@@ -654,13 +644,13 @@ static int eeepc_get_adapter_status(struct hotplug_slot *hotplug_slot,
return 0;
}
static void eeepc_rfkill_hotplug(bool real)
static void eeepc_rfkill_hotplug(void)
{
struct pci_dev *dev;
struct pci_bus *bus;
bool blocked = real ? eeepc_wlan_rfkill_blocked() : true;
bool blocked = eeepc_wlan_rfkill_blocked();
if (real && ehotk->wlan_rfkill)
if (ehotk->wlan_rfkill)
rfkill_set_sw_state(ehotk->wlan_rfkill, blocked);
mutex_lock(&ehotk->hotplug_lock);
......@@ -703,7 +693,7 @@ static void eeepc_rfkill_notify(acpi_handle handle, u32 event, void *data)
if (event != ACPI_NOTIFY_BUS_CHECK)
return;
eeepc_rfkill_hotplug(true);
eeepc_rfkill_hotplug();
}
static void eeepc_hotk_notify(struct acpi_device *device, u32 event)
......@@ -861,7 +851,7 @@ static int eeepc_hotk_restore(struct device *device)
{
/* Refresh both wlan rfkill state and pci hotplug */
if (ehotk->wlan_rfkill)
eeepc_rfkill_hotplug(true);
eeepc_rfkill_hotplug();
if (ehotk->bluetooth_rfkill)
rfkill_set_sw_state(ehotk->bluetooth_rfkill,
......@@ -1004,7 +994,7 @@ static void eeepc_rfkill_exit(void)
* Refresh pci hotplug in case the rfkill state was changed after
* eeepc_unregister_rfkill_notifier()
*/
eeepc_rfkill_hotplug(true);
eeepc_rfkill_hotplug();
if (ehotk->hotplug_slot)
pci_hp_deregister(ehotk->hotplug_slot);
......@@ -1120,7 +1110,7 @@ static int eeepc_rfkill_init(struct device *dev)
* Refresh pci hotplug in case the rfkill state was changed during
* setup.
*/
eeepc_rfkill_hotplug(true);
eeepc_rfkill_hotplug();
exit:
if (result && result != -ENODEV)
......
......@@ -180,15 +180,15 @@ trip_point_type_show(struct device *dev, struct device_attribute *attr,
switch (type) {
case THERMAL_TRIP_CRITICAL:
return sprintf(buf, "critical");
return sprintf(buf, "critical\n");
case THERMAL_TRIP_HOT:
return sprintf(buf, "hot");
return sprintf(buf, "hot\n");
case THERMAL_TRIP_PASSIVE:
return sprintf(buf, "passive");
return sprintf(buf, "passive\n");
case THERMAL_TRIP_ACTIVE:
return sprintf(buf, "active");
return sprintf(buf, "active\n");
default:
return sprintf(buf, "unknown");
return sprintf(buf, "unknown\n");
}
}
......
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