The patch titled PM: make wakeup flags available whenever CONFIG_PM is set has been added to the -mm tree. Its filename is pm-make-wakeup-flags-available-whenever-config_pm-is-set.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/SubmitChecklist when testing your code *** See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find out what to do about this The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/ ------------------------------------------------------ Subject: PM: make wakeup flags available whenever CONFIG_PM is set From: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> The various wakeup flags and their accessor macros in struct dev_pm_info should be available whenever CONFIG_PM is enabled, not just when CONFIG_PM_SLEEP is on. Otherwise remote wakeup won't always be configurable for runtime power management. This patch (as1056) fixes the oversight. [rjw: rebased the patch on top of the previous two.] Signed-off-by: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> Signed-off-by: Rafael J. Wysocki <rjw@xxxxxxx> Cc: Greg KH <greg@xxxxxxxxx> Cc: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> Cc: David Brownell <david-b@xxxxxxxxxxx> Cc: Pavel Machek <pavel@xxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- drivers/base/power/main.c | 2 - drivers/base/power/sysfs.c | 2 + include/linux/pm.h | 64 +++++++++++++++++++---------------- 3 files changed, 38 insertions(+), 30 deletions(-) diff -puN drivers/base/power/main.c~pm-make-wakeup-flags-available-whenever-config_pm-is-set drivers/base/power/main.c --- a/drivers/base/power/main.c~pm-make-wakeup-flags-available-whenever-config_pm-is-set +++ a/drivers/base/power/main.c @@ -57,8 +57,6 @@ static DEFINE_MUTEX(dpm_list_mtx); /* 'true' if all devices have been suspended, protected by dpm_list_mtx */ static bool all_sleeping; -int (*platform_enable_wakeup)(struct device *dev, int is_on); - /** * device_pm_add - add a device to the list of active devices * @dev: Device to be added to the list diff -puN drivers/base/power/sysfs.c~pm-make-wakeup-flags-available-whenever-config_pm-is-set drivers/base/power/sysfs.c --- a/drivers/base/power/sysfs.c~pm-make-wakeup-flags-available-whenever-config_pm-is-set +++ a/drivers/base/power/sysfs.c @@ -6,6 +6,8 @@ #include <linux/string.h> #include "power.h" +int (*platform_enable_wakeup)(struct device *dev, int is_on); + /* * wakeup - Report/change current wakeup option for device diff -puN include/linux/pm.h~pm-make-wakeup-flags-available-whenever-config_pm-is-set include/linux/pm.h --- a/include/linux/pm.h~pm-make-wakeup-flags-available-whenever-config_pm-is-set +++ a/include/linux/pm.h @@ -183,9 +183,9 @@ typedef struct pm_message { struct dev_pm_info { pm_message_t power_state; unsigned can_wakeup:1; + unsigned should_wakeup:1; bool sleeping:1; /* Owned by the PM core */ #ifdef CONFIG_PM_SLEEP - unsigned should_wakeup:1; struct list_head entry; #endif }; @@ -198,11 +198,6 @@ extern void device_resume(void); extern int device_suspend(pm_message_t state); extern int device_prepare_suspend(pm_message_t state); -#define device_set_wakeup_enable(dev,val) \ - ((dev)->power.should_wakeup = !!(val)) -#define device_may_wakeup(dev) \ - (device_can_wakeup(dev) && (dev)->power.should_wakeup) - extern void __suspend_report_result(const char *function, void *fn, int ret); #define suspend_report_result(fn, ret) \ @@ -210,6 +205,35 @@ extern void __suspend_report_result(cons __suspend_report_result(__FUNCTION__, fn, ret); \ } while (0) +#else /* !CONFIG_PM_SLEEP */ + +static inline int device_suspend(pm_message_t state) +{ + return 0; +} + +#define suspend_report_result(fn, ret) do {} while (0) + +#endif /* !CONFIG_PM_SLEEP */ + +#ifdef CONFIG_PM + +/* changes to device_may_wakeup take effect on the next pm state change. + * by default, devices should wakeup if they can. + */ +#define device_can_wakeup(dev) \ + ((dev)->power.can_wakeup) +#define device_init_wakeup(dev,val) \ + do { \ + device_can_wakeup(dev) = !!(val); \ + device_set_wakeup_enable(dev,val); \ + } while(0) + +#define device_set_wakeup_enable(dev,val) \ + ((dev)->power.should_wakeup = !!(val)) +#define device_may_wakeup(dev) \ + (device_can_wakeup(dev) && (dev)->power.should_wakeup) + /* * Platform hook to activate device wakeup capability, if that's not already * handled by enable_irq_wake() etc. @@ -224,35 +248,19 @@ static inline int call_platform_enable_w return 0; } -#else /* !CONFIG_PM_SLEEP */ - -static inline int device_suspend(pm_message_t state) -{ - return 0; -} - -#define device_set_wakeup_enable(dev,val) do{}while(0) -#define device_may_wakeup(dev) (0) +#else /* !CONFIG_PM */ -#define suspend_report_result(fn, ret) do { } while (0) +#define device_can_wakeup(dev) 0 +#define device_init_wakeup(dev,val) do {} while (0) +#define device_set_wakeup_enable(dev,val) do {} while (0) +#define device_may_wakeup(dev) 0 static inline int call_platform_enable_wakeup(struct device *dev, int is_on) { return 0; } -#endif /* !CONFIG_PM_SLEEP */ - -/* changes to device_may_wakeup take effect on the next pm state change. - * by default, devices should wakeup if they can. - */ -#define device_can_wakeup(dev) \ - ((dev)->power.can_wakeup) -#define device_init_wakeup(dev,val) \ - do { \ - device_can_wakeup(dev) = !!(val); \ - device_set_wakeup_enable(dev,val); \ - } while(0) +#endif /* !CONFIG_PM */ /* * Global Power Management flags _ Patches currently in -mm which might be from stern@xxxxxxxxxxxxxxxxxxx are pm-handle-device-registrations-during-suspend-resume.patch driver-core-call-device_pm_add-after-bus_add_device-in-device_add.patch pm-make-wakeup-flags-available-whenever-config_pm-is-set.patch isd200-allocate-sense_buffer-for-hacked-up-scsi_cmnd.patch isd200-fix-memory-leak-in-isd200_get_inquiry_data.patch -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html