Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=ad3399c378993152f12c23304ee56d7f9108e758
Commit: ad3399c378993152f12c23304ee56d7f9108e758
Parent: 88fb61e4ba263685a0d5b82c7e9cd6f22a9e6a9d
Author: Rafael J. Wysocki <[EMAIL PROTECTED]>
AuthorDate: Fri Jan 11 00:10:38 2008 +0100
Committer: Len Brown <[EMAIL PROTECTED]>
CommitDate: Fri Jan 11 23:21:52 2008 -0500
ACPI: Fix acpi_pm_device_sleep_state()
Fix acpi_pm_device_sleep_state() to return the value returned
by _SxD if the device is supposed to wake up the system from
given sleep state and the evaluation of _SxW fails (e.g. _SxW
is not present).
Signed-off-by: Rafael J. Wysocki <[EMAIL PROTECTED]>
Signed-off-by: Len Brown <[EMAIL PROTECTED]>
---
drivers/acpi/sleep/main.c | 15 ++++++++++++---
1 files changed, 12 insertions(+), 3 deletions(-)
diff --git a/drivers/acpi/sleep/main.c b/drivers/acpi/sleep/main.c
index 2c0b663..99181c8 100644
--- a/drivers/acpi/sleep/main.c
+++ b/drivers/acpi/sleep/main.c
@@ -386,11 +386,20 @@ int acpi_pm_device_sleep_state(struct device *dev, int
wake, int *d_min_p)
if (acpi_target_sleep_state == ACPI_STATE_S0 ||
(wake && adev->wakeup.state.enabled &&
adev->wakeup.sleep_state <= acpi_target_sleep_state)) {
+ acpi_status status;
+
acpi_method[3] = 'W';
- acpi_evaluate_integer(handle, acpi_method, NULL, &d_max);
- /* Sanity check */
- if (d_max < d_min)
+ status = acpi_evaluate_integer(handle, acpi_method, NULL,
+ &d_max);
+ if (ACPI_FAILURE(status)) {
+ d_max = d_min;
+ } else if (d_max < d_min) {
+ /* Warn the user of the broken DSDT */
+ printk(KERN_WARNING "ACPI: Wrong value from %s\n",
+ acpi_method);
+ /* Sanitize it */
d_min = d_max;
+ }
}
if (d_min_p)
-
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