lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

ACPICA: Use spinlock for acpi_{en|dis}able_gpe

Browse Source 
Disabling gpe might interfere with gpe detection/handling,
thus producing "interrupt not handled" errors.
Ironically, disabling of GPE from interrupt context is already
under spinlock, so only userspace needs to start using it.

Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Alexey Starikovskiy
2008-10-25 21:48:46 +04:00
committed by Len Brown
parent a2f93aeadf
commit 0b7084ac67
6 changed files with 23 additions and 40 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/acpi/button.c
View File

@ -479,7 +479,7 @@ static int acpi_button_add(struct acpi_device *device)
device->wakeup.gpe_number,
ACPI_GPE_TYPE_WAKE_RUN);
acpi_enable_gpe(device->wakeup.gpe_device,
device->wakeup.gpe_number, ACPI_NOT_ISR);
device->wakeup.gpe_number);
device->wakeup.state.enabled = 1;
}