Hi,
If nobody objects, i'd send this to LKML:
Maybe somebody with a recent -mm kernel can test if it still applies there :-)
------------------------------------------------------------------------------
Subject: swsusp: fix platform mode
Somewhen after 2.6.9, the in-kernel suspend got "incomplete" for the so-called
"platform" mode. pm_ops->prepare() is never called.
Signed-off-by: Stefan Seyfried <[EMAIL PROTECTED]>
--- kernel/power/disk.c~ 2006-10-16 20:18:04.000000000 +0200
+++ kernel/power/disk.c 2006-10-16 20:36:14.000000000 +0200
@@ -59,6 +59,14 @@ static void power_down(suspend_disk_meth
while(1);
}
+static inline void platform_prepare(void)
+{
+ if (pm_disk_mode == PM_DISK_PLATFORM) {
+ if (pm_ops && pm_ops->prepare)
+ pm_ops->prepare(PM_SUSPEND_DISK);
+ }
+}
+
static inline void platform_finish(void)
{
if (pm_disk_mode == PM_DISK_PLATFORM) {
@@ -73,6 +81,7 @@ static int prepare_processes(void)
pm_prepare_console();
disable_nonboot_cpus();
+ platform_prepare();
if (freeze_processes()) {
error = -EBUSY;
@@ -83,6 +92,7 @@ static int prepare_processes(void)
if (!(error = swsusp_shrink_memory()))
return 0;
thaw:
+ platform_finish();
thaw_processes();
enable_nonboot_cpus();
pm_restore_console();
--
Stefan Seyfried
QA / R&D Team Mobile Devices | "Any ideas, John?"
SUSE LINUX Products GmbH, Nürnberg | "Well, surrounding them's out."
-------------------------------------------------------------------------
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