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path: root/drivers/clk/samsung/clk-s3c64xx.c
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Diffstat (limited to 'drivers/clk/samsung/clk-s3c64xx.c')
-rw-r--r--drivers/clk/samsung/clk-s3c64xx.c66
1 files changed, 6 insertions, 60 deletions
diff --git a/drivers/clk/samsung/clk-s3c64xx.c b/drivers/clk/samsung/clk-s3c64xx.c
index 6db01cf5ab83..54916c7bdb06 100644
--- a/drivers/clk/samsung/clk-s3c64xx.c
+++ b/drivers/clk/samsung/clk-s3c64xx.c
@@ -12,7 +12,6 @@
#include <linux/clk-provider.h>
#include <linux/of.h>
#include <linux/of_address.h>
-#include <linux/syscore_ops.h>
#include <dt-bindings/clock/samsung,s3c64xx-clock.h>
@@ -59,10 +58,6 @@
static void __iomem *reg_base;
static bool is_s3c6400;
-#ifdef CONFIG_PM_SLEEP
-static struct samsung_clk_reg_dump *s3c64xx_save_common;
-static struct samsung_clk_reg_dump *s3c64xx_save_soc;
-
/*
* List of controller registers to be saved and restored during
* a suspend/resume cycle.
@@ -89,60 +84,6 @@ static unsigned long s3c6410_clk_regs[] __initdata = {
MEM0_GATE,
};
-static int s3c64xx_clk_suspend(void)
-{
- samsung_clk_save(reg_base, s3c64xx_save_common,
- ARRAY_SIZE(s3c64xx_clk_regs));
-
- if (!is_s3c6400)
- samsung_clk_save(reg_base, s3c64xx_save_soc,
- ARRAY_SIZE(s3c6410_clk_regs));
-
- return 0;
-}
-
-static void s3c64xx_clk_resume(void)
-{
- samsung_clk_restore(reg_base, s3c64xx_save_common,
- ARRAY_SIZE(s3c64xx_clk_regs));
-
- if (!is_s3c6400)
- samsung_clk_restore(reg_base, s3c64xx_save_soc,
- ARRAY_SIZE(s3c6410_clk_regs));
-}
-
-static struct syscore_ops s3c64xx_clk_syscore_ops = {
- .suspend = s3c64xx_clk_suspend,
- .resume = s3c64xx_clk_resume,
-};
-
-static void __init s3c64xx_clk_sleep_init(void)
-{
- s3c64xx_save_common = samsung_clk_alloc_reg_dump(s3c64xx_clk_regs,
- ARRAY_SIZE(s3c64xx_clk_regs));
- if (!s3c64xx_save_common)
- goto err_warn;
-
- if (!is_s3c6400) {
- s3c64xx_save_soc = samsung_clk_alloc_reg_dump(s3c6410_clk_regs,
- ARRAY_SIZE(s3c6410_clk_regs));
- if (!s3c64xx_save_soc)
- goto err_soc;
- }
-
- register_syscore_ops(&s3c64xx_clk_syscore_ops);
- return;
-
-err_soc:
- kfree(s3c64xx_save_common);
-err_warn:
- pr_warn("%s: failed to allocate sleep save data, no sleep support!\n",
- __func__);
-}
-#else
-static void __init s3c64xx_clk_sleep_init(void) {}
-#endif
-
/* List of parent clocks common for all S3C64xx SoCs. */
PNAME(spi_mmc_p) = { "mout_epll", "dout_mpll", "fin_pll", "clk27m" };
PNAME(uart_p) = { "mout_epll", "dout_mpll" };
@@ -508,7 +449,12 @@ void __init s3c64xx_clk_init(struct device_node *np, unsigned long xtal_f,
samsung_clk_register_alias(ctx, s3c64xx_clock_aliases,
ARRAY_SIZE(s3c64xx_clock_aliases));
- s3c64xx_clk_sleep_init();
+
+ samsung_clk_sleep_init(reg_base, s3c64xx_clk_regs,
+ ARRAY_SIZE(s3c64xx_clk_regs));
+ if (!is_s3c6400)
+ samsung_clk_sleep_init(reg_base, s3c6410_clk_regs,
+ ARRAY_SIZE(s3c6410_clk_regs));
samsung_clk_of_add_provider(np, ctx);