diff options
| author | Arnd Bergmann <arnd@arndb.de> | 2011-10-07 23:07:41 +0200 |
|---|---|---|
| committer | Arnd Bergmann <arnd@arndb.de> | 2011-10-07 23:07:41 +0200 |
| commit | 8efc59ad6764ade520012cb192cd484e5191cd9c (patch) | |
| tree | d2465d91ebb2652e35cd08f715fc202b3f9e042a /arch/arm/plat-samsung | |
| parent | 6f6184a9d01880a3e21349544f73b3720ce5e152 (diff) | |
| parent | 492c4a0df11573e141a2decc6012b3bddd14a11e (diff) | |
Merge branch 'sirf/cleanup' into next/cleanup
Diffstat (limited to 'arch/arm/plat-samsung')
| -rw-r--r-- | arch/arm/plat-samsung/clock.c | 11 | ||||
| -rw-r--r-- | arch/arm/plat-samsung/include/plat/clock.h | 8 | ||||
| -rw-r--r-- | arch/arm/plat-samsung/include/plat/watchdog-reset.h | 10 |
3 files changed, 22 insertions, 7 deletions
diff --git a/arch/arm/plat-samsung/clock.c b/arch/arm/plat-samsung/clock.c index 302c42670bd..3b4451979d1 100644 --- a/arch/arm/plat-samsung/clock.c +++ b/arch/arm/plat-samsung/clock.c @@ -64,6 +64,17 @@ static LIST_HEAD(clocks); */ DEFINE_SPINLOCK(clocks_lock); +/* Global watchdog clock used by arch_wtd_reset() callback */ +struct clk *s3c2410_wdtclk; +static int __init s3c_wdt_reset_init(void) +{ + s3c2410_wdtclk = clk_get(NULL, "watchdog"); + if (IS_ERR(s3c2410_wdtclk)) + printk(KERN_WARNING "%s: warning: cannot get watchdog clock\n", __func__); + return 0; +} +arch_initcall(s3c_wdt_reset_init); + /* enable and disable calls for use with the clk struct */ static int clk_null_enable(struct clk *clk, int enable) diff --git a/arch/arm/plat-samsung/include/plat/clock.h b/arch/arm/plat-samsung/include/plat/clock.h index 87d5b38a86f..73c66d4d10f 100644 --- a/arch/arm/plat-samsung/include/plat/clock.h +++ b/arch/arm/plat-samsung/include/plat/clock.h @@ -9,6 +9,9 @@ * published by the Free Software Foundation. */ +#ifndef __ASM_PLAT_CLOCK_H +#define __ASM_PLAT_CLOCK_H __FILE__ + #include <linux/spinlock.h> #include <linux/clkdev.h> @@ -121,3 +124,8 @@ extern int s3c64xx_sclk_ctrl(struct clk *clk, int enable); extern void s3c_pwmclk_init(void); +/* Global watchdog clock used by arch_wtd_reset() callback */ + +extern struct clk *s3c2410_wdtclk; + +#endif /* __ASM_PLAT_CLOCK_H */ diff --git a/arch/arm/plat-samsung/include/plat/watchdog-reset.h b/arch/arm/plat-samsung/include/plat/watchdog-reset.h index 54b762acb5a..40dbb2b0ae2 100644 --- a/arch/arm/plat-samsung/include/plat/watchdog-reset.h +++ b/arch/arm/plat-samsung/include/plat/watchdog-reset.h @@ -10,6 +10,7 @@ * published by the Free Software Foundation. */ +#include <plat/clock.h> #include <plat/regs-watchdog.h> #include <mach/map.h> @@ -19,17 +20,12 @@ static inline void arch_wdt_reset(void) { - struct clk *wdtclk; - printk("arch_reset: attempting watchdog reset\n"); __raw_writel(0, S3C2410_WTCON); /* disable watchdog, to be safe */ - wdtclk = clk_get(NULL, "watchdog"); - if (!IS_ERR(wdtclk)) { - clk_enable(wdtclk); - } else - printk(KERN_WARNING "%s: warning: cannot get watchdog clock\n", __func__); + if (s3c2410_wdtclk) + clk_enable(s3c2410_wdtclk); /* put initial values into count and data */ __raw_writel(0x80, S3C2410_WTCNT); |