Messages in this thread Patch in this message | | | Subject | Re: [PATCH] Driver Core fixes for 2.6.7-rc1 | Date | Fri, 28 May 2004 14:25:55 -0700 | From | Greg KH <> |
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ChangeSet 1.1758, 2004/05/28 13:13:30-07:00, tpoynor@mvista.com
[PATCH] Fix for leave-runtime-suspended-devices-off-at-system-resume.patch
A patch to fix my previous leave-runtime-suspended-devices-off-at-system-resume patch; the new changes save a copy of power.power_state in order to know whether to resume a device, independently of mods to that field by a driver suspend routine. This fixes 2.6.7-rc1-mm1 in the same fashion as the updated 2.6.6 patch sent previously.
Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>
drivers/base/power/resume.c | 2 +- drivers/base/power/suspend.c | 2 ++ include/linux/pm.h | 1 + 3 files changed, 4 insertions(+), 1 deletion(-)
diff -Nru a/drivers/base/power/resume.c b/drivers/base/power/resume.c --- a/drivers/base/power/resume.c Fri May 28 14:17:52 2004 +++ b/drivers/base/power/resume.c Fri May 28 14:17:52 2004 @@ -36,7 +36,7 @@ struct device * dev = to_device(entry); list_del_init(entry); - if (!dev->power.power_state) + if (!dev->power.prev_state) resume_device(dev); list_add_tail(entry,&dpm_active); diff -Nru a/drivers/base/power/suspend.c b/drivers/base/power/suspend.c --- a/drivers/base/power/suspend.c Fri May 28 14:17:52 2004 +++ b/drivers/base/power/suspend.c Fri May 28 14:17:52 2004 @@ -41,6 +41,8 @@ dev_dbg(dev, "suspending\n"); + dev->power.prev_state = dev->power.power_state; + if (dev->bus && dev->bus->suspend && !dev->power.power_state) error = dev->bus->suspend(dev,state); diff -Nru a/include/linux/pm.h b/include/linux/pm.h --- a/include/linux/pm.h Fri May 28 14:17:52 2004 +++ b/include/linux/pm.h Fri May 28 14:17:52 2004 @@ -231,6 +231,7 @@ struct dev_pm_info { u32 power_state; #ifdef CONFIG_PM + u32 prev_state; u8 * saved_state; atomic_t pm_users; struct device * pm_parent; - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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