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greybus: kernel_ver: backport reinit_completion to pre-3.13

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Backport upstream reinit_completion() to pre-3.13 kernels.

Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Johan Hovold <johan@hovoldconsulting.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
This commit is contained in:
Johan Hovold
2016-05-27 17:26:38 +02:00
committed by Greg Kroah-Hartman
parent 800d6c8f4e
commit e3fbe48432
1 changed files with 15 additions and 0 deletions
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15
drivers/staging/greybus/kernel_ver.h
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@@ -313,4 +313,19 @@ static inline bool led_sysfs_is_disabled(struct led_classdev *led_cdev)
#define SPI_NOR_MODALIAS "m25p80"
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 13, 0)
/**
* reinit_completion - reinitialize a completion structure
* @x: pointer to completion structure that is to be reinitialized
*
* This inline function should be used to reinitialize a completion structure
* so it can be reused. This is especially important after complete_all() is
* used.
*/
static inline void reinit_completion(struct completion *x)
{
x->done = 0;
}
#endif
#endif /* __GREYBUS_KERNEL_VER_H */