diff options
| author | Sylwester Nawrocki <s.nawrocki@samsung.com> | 2013-08-24 20:10:41 +0200 |
|---|---|---|
| committer | Sylwester Nawrocki <s.nawrocki@samsung.com> | 2013-12-04 17:19:44 +0100 |
| commit | ac2df527fb407b61f9c812a99035b62a75a77d6d (patch) | |
| tree | 87b9b90703c654b5359749bd48eb87bb5dd0b118 /arch | |
| parent | clkdev: Fix race condition in clock lookup from device tree (diff) | |
| download | linux-ac2df527fb407b61f9c812a99035b62a75a77d6d.tar.xz linux-ac2df527fb407b61f9c812a99035b62a75a77d6d.zip | |
clk: Add common __clk_get(), __clk_put() implementations
This patch adds common __clk_get(), __clk_put() clkdev helpers that
replace their platform specific counterparts when the common clock
API is used.
The owner module pointer field is added to struct clk so a reference
to the clock supplier module can be taken by the clock consumers.
The owner module is assigned while the clock is being registered,
in functions _clk_register() and __clk_register().
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/include/asm/clkdev.h | 2 | ||||
| -rw-r--r-- | arch/blackfin/include/asm/clkdev.h | 2 | ||||
| -rw-r--r-- | arch/mips/include/asm/clkdev.h | 2 | ||||
| -rw-r--r-- | arch/sh/include/asm/clkdev.h | 2 |
4 files changed, 8 insertions, 0 deletions
diff --git a/arch/arm/include/asm/clkdev.h b/arch/arm/include/asm/clkdev.h index 80751c15c300..4e8a4b27d7c7 100644 --- a/arch/arm/include/asm/clkdev.h +++ b/arch/arm/include/asm/clkdev.h @@ -14,12 +14,14 @@ #include <linux/slab.h> +#ifndef CONFIG_COMMON_CLK #ifdef CONFIG_HAVE_MACH_CLKDEV #include <mach/clkdev.h> #else #define __clk_get(clk) ({ 1; }) #define __clk_put(clk) do { } while (0) #endif +#endif static inline struct clk_lookup_alloc *__clkdev_alloc(size_t size) { diff --git a/arch/blackfin/include/asm/clkdev.h b/arch/blackfin/include/asm/clkdev.h index 9053beda8c50..7ac2436856a5 100644 --- a/arch/blackfin/include/asm/clkdev.h +++ b/arch/blackfin/include/asm/clkdev.h @@ -8,7 +8,9 @@ static inline struct clk_lookup_alloc *__clkdev_alloc(size_t size) return kzalloc(size, GFP_KERNEL); } +#ifndef CONFIG_COMMON_CLK #define __clk_put(clk) #define __clk_get(clk) ({ 1; }) +#endif #endif diff --git a/arch/mips/include/asm/clkdev.h b/arch/mips/include/asm/clkdev.h index 262475414e5f..1b3ad7b09dc1 100644 --- a/arch/mips/include/asm/clkdev.h +++ b/arch/mips/include/asm/clkdev.h @@ -14,8 +14,10 @@ #include <linux/slab.h> +#ifndef CONFIG_COMMON_CLK #define __clk_get(clk) ({ 1; }) #define __clk_put(clk) do { } while (0) +#endif static inline struct clk_lookup_alloc *__clkdev_alloc(size_t size) { diff --git a/arch/sh/include/asm/clkdev.h b/arch/sh/include/asm/clkdev.h index 6ba91868201c..c41901465fb0 100644 --- a/arch/sh/include/asm/clkdev.h +++ b/arch/sh/include/asm/clkdev.h @@ -25,7 +25,9 @@ static inline struct clk_lookup_alloc *__clkdev_alloc(size_t size) return kzalloc(size, GFP_KERNEL); } +#ifndef CONFIG_COMMON_CLK #define __clk_put(clk) #define __clk_get(clk) ({ 1; }) +#endif #endif /* __CLKDEV_H__ */ |