diff mbox

mtd: dc21285: use raw spinlock functions for nw_gpio_lock

Message ID 1432801330-26406-1-git-send-email-u.kleine-koenig@pengutronix.de
State Accepted
Headers show

Commit Message

Uwe Kleine-König May 28, 2015, 8:22 a.m. UTC
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@pengutronix.de>
---
 drivers/mtd/maps/dc21285.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Comments

Brian Norris May 28, 2015, 7:22 p.m. UTC | #1
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@pengutronix.de>

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

Brian
diff mbox

Patch

diff --git a/drivers/mtd/maps/dc21285.c b/drivers/mtd/maps/dc21285.c
index f8a7dd14cee0..70a3db3ab856 100644
--- a/drivers/mtd/maps/dc21285.c
+++ b/drivers/mtd/maps/dc21285.c
@@ -38,9 +38,9 @@  static void nw_en_write(void)
 	 * we want to write a bit pattern XXX1 to Xilinx to enable
 	 * the write gate, which will be open for about the next 2ms.
 	 */
-	spin_lock_irqsave(&nw_gpio_lock, flags);
+	raw_spin_lock_irqsave(&nw_gpio_lock, flags);
 	nw_cpld_modify(CPLD_FLASH_WR_ENABLE, CPLD_FLASH_WR_ENABLE);
-	spin_unlock_irqrestore(&nw_gpio_lock, flags);
+	raw_spin_unlock_irqrestore(&nw_gpio_lock, flags);
 
 	/*
 	 * let the ISA bus to catch on...