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authorRafael J. Wysocki <rjw@sisk.pl>2008-10-03 18:23:49 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2008-10-03 21:22:19 -0400
commit76acae04c892287949e1191e99600f3e952e43f7 (patch)
tree564c0acb663072e70723adda04219164ee9821dc /drivers/acpi/sleep
parent95bf14bff58fd200f0c2147c84582cc2488367d0 (diff)
ACPI: Make /proc/acpi/wakeup interface handle PCI devices (again)
Make the ACPI /proc/acpi/wakeup interface set the appropriate wake-up bits of physical devices corresponding to the ACPI devices and make those bits be set initially for devices that are enabled to wake up by default. This is needed to restore the 2.6.26 and earlier behavior for the PCI devices that were previously handled correctly with the help of the /proc/acpi/wakeup interface. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Cc: Len Brown <lenb@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/acpi/sleep')
-rw-r--r--drivers/acpi/sleep/proc.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/acpi/sleep/proc.c b/drivers/acpi/sleep/proc.c
index 4ebbba2b6b19..bf5b04de02d1 100644
--- a/drivers/acpi/sleep/proc.c
+++ b/drivers/acpi/sleep/proc.c
@@ -377,6 +377,14 @@ acpi_system_wakeup_device_seq_show(struct seq_file *seq, void *offset)
377 return 0; 377 return 0;
378} 378}
379 379
380static void physical_device_enable_wakeup(struct acpi_device *adev)
381{
382 struct device *dev = acpi_get_physical_device(adev->handle);
383
384 if (dev && device_can_wakeup(dev))
385 device_set_wakeup_enable(dev, adev->wakeup.state.enabled);
386}
387
380static ssize_t 388static ssize_t
381acpi_system_write_wakeup_device(struct file *file, 389acpi_system_write_wakeup_device(struct file *file,
382 const char __user * buffer, 390 const char __user * buffer,
@@ -411,6 +419,7 @@ acpi_system_write_wakeup_device(struct file *file,
411 } 419 }
412 } 420 }
413 if (found_dev) { 421 if (found_dev) {
422 physical_device_enable_wakeup(found_dev);
414 list_for_each_safe(node, next, &acpi_wakeup_device_list) { 423 list_for_each_safe(node, next, &acpi_wakeup_device_list) {
415 struct acpi_device *dev = container_of(node, 424 struct acpi_device *dev = container_of(node,
416 struct 425 struct
@@ -428,6 +437,7 @@ acpi_system_write_wakeup_device(struct file *file,
428 dev->pnp.bus_id, found_dev->pnp.bus_id); 437 dev->pnp.bus_id, found_dev->pnp.bus_id);
429 dev->wakeup.state.enabled = 438 dev->wakeup.state.enabled =
430 found_dev->wakeup.state.enabled; 439 found_dev->wakeup.state.enabled;
440 physical_device_enable_wakeup(dev);
431 } 441 }
432 } 442 }
433 } 443 }