[PATCH] mtd: dc21285: use raw spinlock functions for nw_gpio_lock

[Brian Norris]

On Thu, May 28, 2015 at 10:22:10AM +0200, Uwe Kleine-König wrote:
> Since commit bd31b85960a7 (which is in 3.2-rc1) nw_gpio_lock is a raw spinlock
> that needs usage of the corresponding raw functions.
> 
> This fixes:
> 
>   drivers/mtd/maps/dc21285.c: In function 'nw_en_write':
>   drivers/mtd/maps/dc21285.c:41:340: warning: passing argument 1 of 'spinlock_check' from incompatible pointer type
>     spin_lock_irqsave(&nw_gpio_lock, flags);
> 
>   In file included from include/linux/seqlock.h:35:0,
>                    from include/linux/time.h:5,
>                    from include/linux/stat.h:18,
>                    from include/linux/module.h:10,
>                    from drivers/mtd/maps/dc21285.c:8:
>   include/linux/spinlock.h:299:102: note: expected 'struct spinlock_t *' but argument is of type 'struct raw_spinlock_t *'
>    static inline raw_spinlock_t *spinlock_check(spinlock_t *lock)
>                                                                                                         ^
>   drivers/mtd/maps/dc21285.c:43:25: warning: passing argument 1 of 'spin_unlock_irqrestore' from incompatible pointer type
>     spin_unlock_irqrestore(&nw_gpio_lock, flags);
>                            ^
>   In file included from include/linux/seqlock.h:35:0,
>                    from include/linux/time.h:5,
>                    from include/linux/stat.h:18,
>                    from include/linux/module.h:10,
>                    from drivers/mtd/maps/dc21285.c:8:
>   include/linux/spinlock.h:370:91: note: expected 'struct spinlock_t *' but argument is of type 'struct raw_spinlock_t *'
>    static inline void spin_unlock_irqrestore(spinlock_t *lock, unsigned long flags)
> 
> Fixes: bd31b85960a7 ("locking, ARM: Annotate low level hw locks as raw")
> Signed-off-by: Uwe Kleine-König <u.kleine-koenig at pengutronix.de>

Applied to l2-mtd.git. Apparently nobody builds this driver.

Brian