On Tuesday, September 15, 2015 01:42:21 PM Viresh Kumar wrote:
> The variable 'wakeup_irq' is defined within #ifdef CONFIG_PM_SLEEP_DEBUG
> and used outside of it. And that breaks kernel build:
>
> /home/viresh/linux/drivers/base/power/wakeup.c:871: undefined reference to
> `wakeup_irq'
> /home/viresh/drivers/base/power/wakeup.c:871: undefined reference to
> `wakeup_irq'
>
> Fix it by defining the variable outside of the ifdef.
>
> Fixes: d1e59c235322 ("PM / sleep: Report interrupt that caused system wakeup")
> Signed-off-by: Viresh Kumar <viresh.ku...@linaro.org>
I've applied the v11 of the Alexandra's patch that doesn't have this problem
AFAICS.
> ---
> kernel/power/main.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/kernel/power/main.c b/kernel/power/main.c
> index 9880bf888a5b..f97a188f4ccc 100644
> --- a/kernel/power/main.c
> +++ b/kernel/power/main.c
> @@ -235,6 +235,9 @@ late_initcall(pm_debugfs_init);
>
> #endif /* CONFIG_PM_SLEEP */
>
> +/* IRQ number which causes system wakeup */
> +unsigned int wakeup_irq;
> +
> #ifdef CONFIG_PM_SLEEP_DEBUG
> /*
> * pm_print_times: print time taken by devices to suspend and resume.
> @@ -273,7 +276,6 @@ static inline void pm_print_times_init(void)
> pm_print_times_enabled = !!initcall_debug;
> }
>
> -unsigned int wakeup_irq;
> static ssize_t pm_wakeup_irq_show(struct kobject *kobj,
> struct kobj_attribute *attr,
> char *buf)
>
--
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
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