diff options
| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2011-05-09 09:45:45 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2011-05-23 18:04:46 +0100 |
| commit | 111c7751e3f86bdfe7256741281709afe22bba71 (patch) | |
| tree | e84605e1fe43356aefc1f6efcf97a783cb2f62c2 /arch/arm | |
| parent | 29d668d260a5a022eaad1cc91fea08d02deb45b1 (diff) | |
ARM: omap1: convert to using readl/writel instead of volatile struct
Tested-by: Tony Lindgren <tony@atomide.com>
Cc: linux-omap@vger.kernel.org
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/mach-omap1/time.c | 31 |
1 files changed, 16 insertions, 15 deletions
diff --git a/arch/arm/mach-omap1/time.c b/arch/arm/mach-omap1/time.c index e2c29b477c95..e7ab61625b44 100644 --- a/arch/arm/mach-omap1/time.c +++ b/arch/arm/mach-omap1/time.c @@ -68,49 +68,50 @@ typedef struct { } omap_mpu_timer_regs_t; #define omap_mpu_timer_base(n) \ -((volatile omap_mpu_timer_regs_t*)OMAP1_IO_ADDRESS(OMAP_MPU_TIMER_BASE + \ +((omap_mpu_timer_regs_t __iomem *)OMAP1_IO_ADDRESS(OMAP_MPU_TIMER_BASE + \ (n)*OMAP_MPU_TIMER_OFFSET)) static inline unsigned long notrace omap_mpu_timer_read(int nr) { - volatile omap_mpu_timer_regs_t* timer = omap_mpu_timer_base(nr); - return timer->read_tim; + omap_mpu_timer_regs_t __iomem *timer = omap_mpu_timer_base(nr); + return readl(&timer->read_tim); } static inline void omap_mpu_set_autoreset(int nr) { - volatile omap_mpu_timer_regs_t* timer = omap_mpu_timer_base(nr); + omap_mpu_timer_regs_t __iomem *timer = omap_mpu_timer_base(nr); - timer->cntl = timer->cntl | MPU_TIMER_AR; + writel(readl(&timer->cntl) | MPU_TIMER_AR, &timer->cntl); } static inline void omap_mpu_remove_autoreset(int nr) { - volatile omap_mpu_timer_regs_t* timer = omap_mpu_timer_base(nr); + omap_mpu_timer_regs_t __iomem *timer = omap_mpu_timer_base(nr); - timer->cntl = timer->cntl & ~MPU_TIMER_AR; + writel(readl(&timer->cntl) & ~MPU_TIMER_AR, &timer->cntl); } static inline void omap_mpu_timer_start(int nr, unsigned long load_val, int autoreset) { - volatile omap_mpu_timer_regs_t* timer = omap_mpu_timer_base(nr); - unsigned int timerflags = (MPU_TIMER_CLOCK_ENABLE | MPU_TIMER_ST); + omap_mpu_timer_regs_t __iomem *timer = omap_mpu_timer_base(nr); + unsigned int timerflags = MPU_TIMER_CLOCK_ENABLE | MPU_TIMER_ST; - if (autoreset) timerflags |= MPU_TIMER_AR; + if (autoreset) + timerflags |= MPU_TIMER_AR; - timer->cntl = MPU_TIMER_CLOCK_ENABLE; + writel(MPU_TIMER_CLOCK_ENABLE, &timer->cntl); udelay(1); - timer->load_tim = load_val; + writel(load_val, &timer->load_tim); udelay(1); - timer->cntl = timerflags; + writel(timerflags, &timer->cntl); } static inline void omap_mpu_timer_stop(int nr) { - volatile omap_mpu_timer_regs_t* timer = omap_mpu_timer_base(nr); + omap_mpu_timer_regs_t __iomem *timer = omap_mpu_timer_base(nr); - timer->cntl &= ~MPU_TIMER_ST; + writel(readl(&timer->cntl) & ~MPU_TIMER_ST, &timer->cntl); } /* |