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| author | Marek Szyprowski <m.szyprowski@samsung.com> | 2018-09-06 17:55:25 +0200 |
|---|---|---|
| committer | Sylwester Nawrocki <snawrocki@kernel.org> | 2018-09-06 20:47:01 +0200 |
| commit | 1b3493d755c85b0fd206b7e5f04ce7050af90c41 (patch) | |
| tree | 934144b5b97aec3f5bda87886d5c2ac14fc80b27 /drivers/clk/samsung/clk-s3c2412.c | |
| parent | 6bdac3b4c493f86554bc11013d47d31243022beb (diff) | |
| download | linux-1b3493d755c85b0fd206b7e5f04ce7050af90c41.tar.bz2 | |
clk: samsung: s3c2412: Use generic helper for handling suspend/resume
Replace common suspend/resume handling code by generic helper.
Almost no functional change, the only difference is in handling
of hypothetical memory allocation failure on boot.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Acked-by: Chanwoo Choi <cw00.choi@samsung.com>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Sylwester Nawrocki <snawrocki@kernel.org>
Diffstat (limited to 'drivers/clk/samsung/clk-s3c2412.c')
| -rw-r--r-- | drivers/clk/samsung/clk-s3c2412.c | 43 |
1 files changed, 2 insertions, 41 deletions
diff --git a/drivers/clk/samsung/clk-s3c2412.c b/drivers/clk/samsung/clk-s3c2412.c index 6bc94d3aff78..dd1159050a5a 100644 --- a/drivers/clk/samsung/clk-s3c2412.c +++ b/drivers/clk/samsung/clk-s3c2412.c @@ -11,7 +11,6 @@ #include <linux/clk-provider.h> #include <linux/of.h> #include <linux/of_address.h> -#include <linux/syscore_ops.h> #include <linux/reboot.h> #include <dt-bindings/clock/s3c2412.h> @@ -29,9 +28,6 @@ static void __iomem *reg_base; -#ifdef CONFIG_PM_SLEEP -static struct samsung_clk_reg_dump *s3c2412_save; - /* * list of controller registers to be saved and restored during a * suspend/resume cycle. @@ -45,42 +41,6 @@ static unsigned long s3c2412_clk_regs[] __initdata = { CLKSRC, }; -static int s3c2412_clk_suspend(void) -{ - samsung_clk_save(reg_base, s3c2412_save, - ARRAY_SIZE(s3c2412_clk_regs)); - - return 0; -} - -static void s3c2412_clk_resume(void) -{ - samsung_clk_restore(reg_base, s3c2412_save, - ARRAY_SIZE(s3c2412_clk_regs)); -} - -static struct syscore_ops s3c2412_clk_syscore_ops = { - .suspend = s3c2412_clk_suspend, - .resume = s3c2412_clk_resume, -}; - -static void __init s3c2412_clk_sleep_init(void) -{ - s3c2412_save = samsung_clk_alloc_reg_dump(s3c2412_clk_regs, - ARRAY_SIZE(s3c2412_clk_regs)); - if (!s3c2412_save) { - pr_warn("%s: failed to allocate sleep save data, no sleep support!\n", - __func__); - return; - } - - register_syscore_ops(&s3c2412_clk_syscore_ops); - return; -} -#else -static void __init s3c2412_clk_sleep_init(void) {} -#endif - static struct clk_div_table divxti_d[] = { { .val = 0, .div = 1 }, { .val = 1, .div = 2 }, @@ -278,7 +238,8 @@ void __init s3c2412_common_clk_init(struct device_node *np, unsigned long xti_f, samsung_clk_register_alias(ctx, s3c2412_aliases, ARRAY_SIZE(s3c2412_aliases)); - s3c2412_clk_sleep_init(); + samsung_clk_sleep_init(reg_base, s3c2412_clk_regs, + ARRAY_SIZE(s3c2412_clk_regs)); samsung_clk_of_add_provider(np, ctx); |