Applied.
thanks,
-Len
On Wednesday 01 November 2006 07:23, Rafael J. Wysocki wrote:
> It has been reported that on some systems the functionality after a resume
> from disk is limited if the system is simply powered off during the suspend
> instead of using the ACPI S4 suspend (aka platform mode).
>
> Unfortunately the default is currently to power off the system during the
> suspend so the users of these systems experience problems after the resume
> if they don't switch to the platform mode explicitly. This patch makes swsusp
> use the platform mode by default to avoid such situations.
>
> Signed-off-by: Rafael J. Wysocki <rjw@xxxxxxx>
> ---
> kernel/power/disk.c | 8 +++++---
> kernel/power/main.c | 2 +-
> 2 files changed, 6 insertions(+), 4 deletions(-)
>
> Index: linux-2.6.19-rc4-mm1/kernel/power/main.c
> ===================================================================
> --- linux-2.6.19-rc4-mm1.orig/kernel/power/main.c
> +++ linux-2.6.19-rc4-mm1/kernel/power/main.c
> @@ -29,7 +29,7 @@
> DECLARE_MUTEX(pm_sem);
>
> struct pm_ops *pm_ops;
> -suspend_disk_method_t pm_disk_mode = PM_DISK_SHUTDOWN;
> +suspend_disk_method_t pm_disk_mode = PM_DISK_PLATFORM;
>
> /**
> * pm_set_ops - Set the global power method table.
> Index: linux-2.6.19-rc4-mm1/kernel/power/disk.c
> ===================================================================
> --- linux-2.6.19-rc4-mm1.orig/kernel/power/disk.c
> +++ linux-2.6.19-rc4-mm1/kernel/power/disk.c
> @@ -62,9 +62,11 @@ static void power_down(suspend_disk_meth
>
> switch(mode) {
> case PM_DISK_PLATFORM:
> - kernel_shutdown_prepare(SYSTEM_SUSPEND_DISK);
> - error = pm_ops->enter(PM_SUSPEND_DISK);
> - break;
> + if (pm_ops && pm_ops->enter) {
> + kernel_shutdown_prepare(SYSTEM_SUSPEND_DISK);
> + error = pm_ops->enter(PM_SUSPEND_DISK);
> + break;
> + }
> case PM_DISK_SHUTDOWN:
> kernel_power_off();
> break;
> -
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