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authorAlexey Starikovskiy <astarikovskiy@suse.de>2008-10-25 13:48:46 -0400
committerLen Brown <len.brown@intel.com>2008-11-11 18:35:42 -0500
commit0b7084ac67fb84f0cf2f8bc02d7e0dea8521dd2d (patch)
tree0a619ac7a700543e6ba69aa5a568e5678ec0603d /drivers/acpi/button.c
parenta2f93aeadf97e870ff385030633a73e21146815d (diff)
ACPICA: Use spinlock for acpi_{en|dis}able_gpe
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>
Diffstat (limited to 'drivers/acpi/button.c')
-rw-r--r--drivers/acpi/button.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c
index cb046c3fc3f2..eb6bf3025f97 100644
--- a/drivers/acpi/button.c
+++ b/drivers/acpi/button.c
@@ -479,7 +479,7 @@ static int acpi_button_add(struct acpi_device *device)
479 device->wakeup.gpe_number, 479 device->wakeup.gpe_number,
480 ACPI_GPE_TYPE_WAKE_RUN); 480 ACPI_GPE_TYPE_WAKE_RUN);
481 acpi_enable_gpe(device->wakeup.gpe_device, 481 acpi_enable_gpe(device->wakeup.gpe_device,
482 device->wakeup.gpe_number, ACPI_NOT_ISR); 482 device->wakeup.gpe_number);
483 device->wakeup.state.enabled = 1; 483 device->wakeup.state.enabled = 1;
484 } 484 }
485 485