diff options
| -rw-r--r-- | drivers/clk/samsung/clk.c | 23 | ||||
| -rw-r--r-- | drivers/clk/samsung/clk.h | 18 |
2 files changed, 29 insertions, 12 deletions
diff --git a/drivers/clk/samsung/clk.c b/drivers/clk/samsung/clk.c index 8634884aa11c..1f6e47cd327d 100644 --- a/drivers/clk/samsung/clk.c +++ b/drivers/clk/samsung/clk.c @@ -290,9 +290,12 @@ static int samsung_clk_suspend(void) { struct samsung_clock_reg_cache *reg_cache; - list_for_each_entry(reg_cache, &clock_reg_cache_list, node) + list_for_each_entry(reg_cache, &clock_reg_cache_list, node) { samsung_clk_save(reg_cache->reg_base, reg_cache->rdump, reg_cache->rd_num); + samsung_clk_restore(reg_cache->reg_base, reg_cache->rsuspend, + reg_cache->rsuspend_num); + } return 0; } @@ -310,9 +313,11 @@ static struct syscore_ops samsung_clk_syscore_ops = { .resume = samsung_clk_resume, }; -void samsung_clk_sleep_init(void __iomem *reg_base, +void samsung_clk_extended_sleep_init(void __iomem *reg_base, const unsigned long *rdump, - unsigned long nr_rdump) + unsigned long nr_rdump, + const struct samsung_clk_reg_dump *rsuspend, + unsigned long nr_rsuspend) { struct samsung_clock_reg_cache *reg_cache; @@ -330,13 +335,10 @@ void samsung_clk_sleep_init(void __iomem *reg_base, reg_cache->reg_base = reg_base; reg_cache->rd_num = nr_rdump; + reg_cache->rsuspend = rsuspend; + reg_cache->rsuspend_num = nr_rsuspend; list_add_tail(®_cache->node, &clock_reg_cache_list); } - -#else -void samsung_clk_sleep_init(void __iomem *reg_base, - const unsigned long *rdump, - unsigned long nr_rdump) {} #endif /* @@ -380,8 +382,9 @@ struct samsung_clk_provider * __init samsung_cmu_register_one( samsung_clk_register_fixed_factor(ctx, cmu->fixed_factor_clks, cmu->nr_fixed_factor_clks); if (cmu->clk_regs) - samsung_clk_sleep_init(reg_base, cmu->clk_regs, - cmu->nr_clk_regs); + samsung_clk_extended_sleep_init(reg_base, + cmu->clk_regs, cmu->nr_clk_regs, + cmu->suspend_regs, cmu->nr_suspend_regs); samsung_clk_of_add_provider(np, ctx); diff --git a/drivers/clk/samsung/clk.h b/drivers/clk/samsung/clk.h index 3880d2f9d582..c3f309d7100d 100644 --- a/drivers/clk/samsung/clk.h +++ b/drivers/clk/samsung/clk.h @@ -279,6 +279,8 @@ struct samsung_clock_reg_cache { void __iomem *reg_base; struct samsung_clk_reg_dump *rdump; unsigned int rd_num; + const struct samsung_clk_reg_dump *rsuspend; + unsigned int rsuspend_num; }; struct samsung_cmu_info { @@ -358,9 +360,21 @@ extern struct samsung_clk_provider __init *samsung_cmu_register_one( extern unsigned long _get_rate(const char *clk_name); -extern void samsung_clk_sleep_init(void __iomem *reg_base, +#ifdef CONFIG_PM_SLEEP +extern void samsung_clk_extended_sleep_init(void __iomem *reg_base, const unsigned long *rdump, - unsigned long nr_rdump); + unsigned long nr_rdump, + const struct samsung_clk_reg_dump *rsuspend, + unsigned long nr_rsuspend); +#else +static inline void samsung_clk_extended_sleep_init(void __iomem *reg_base, + const unsigned long *rdump, + unsigned long nr_rdump, + const struct samsung_clk_reg_dump *rsuspend, + unsigned long nr_rsuspend) {} +#endif +#define samsung_clk_sleep_init(reg_base, rdump, nr_rdump) \ + samsung_clk_extended_sleep_init(reg_base, rdump, nr_rdump, NULL, 0) extern void samsung_clk_save(void __iomem *base, struct samsung_clk_reg_dump *rd, |