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author | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-03-01 16:18:39 +0000 |
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committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-05-02 09:35:38 +0100 |
commit | 9bf5b2ef673237e0e43161c56f70ac8bf24e43f9 (patch) | |
tree | 6b75855102d54da6ff6d7023ae00e25610e44f92 /arch/arm/plat-versatile | |
parent | 3081e43b97cb50a80ebd98ce4b60e4853ad38424 (diff) | |
download | kernel_samsung_crespo-9bf5b2ef673237e0e43161c56f70ac8bf24e43f9.zip kernel_samsung_crespo-9bf5b2ef673237e0e43161c56f70ac8bf24e43f9.tar.gz kernel_samsung_crespo-9bf5b2ef673237e0e43161c56f70ac8bf24e43f9.tar.bz2 |
ARM: Indirect round/set_rate operations through clk structure
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/plat-versatile')
-rw-r--r-- | arch/arm/plat-versatile/clock.c | 38 | ||||
-rw-r--r-- | arch/arm/plat-versatile/include/plat/clock.h | 15 |
2 files changed, 41 insertions, 12 deletions
diff --git a/arch/arm/plat-versatile/clock.c b/arch/arm/plat-versatile/clock.c index 2fa34de..5c8b656 100644 --- a/arch/arm/plat-versatile/clock.c +++ b/arch/arm/plat-versatile/clock.c @@ -37,24 +37,38 @@ EXPORT_SYMBOL(clk_get_rate); long clk_round_rate(struct clk *clk, unsigned long rate) { - struct icst_vco vco; - vco = icst_hz_to_vco(clk->params, rate); - return icst_hz(clk->params, vco); + long ret = -EIO; + if (clk->ops && clk->ops->round) + ret = clk->ops->round(clk, rate); + return ret; } EXPORT_SYMBOL(clk_round_rate); int clk_set_rate(struct clk *clk, unsigned long rate) { int ret = -EIO; - - if (clk->setvco) { - struct icst_vco vco; - - vco = icst_hz_to_vco(clk->params, rate); - clk->rate = icst_hz(clk->params, vco); - clk->setvco(clk, vco); - ret = 0; - } + if (clk->ops && clk->ops->set) + ret = clk->ops->set(clk, rate); return ret; } EXPORT_SYMBOL(clk_set_rate); + +long icst_clk_round(struct clk *clk, unsigned long rate) +{ + struct icst_vco vco; + vco = icst_hz_to_vco(clk->params, rate); + return icst_hz(clk->params, vco); +} +EXPORT_SYMBOL(icst_clk_round); + +int icst_clk_set(struct clk *clk, unsigned long rate) +{ + struct icst_vco vco; + + vco = icst_hz_to_vco(clk->params, rate); + clk->rate = icst_hz(clk->params, vco); + clk->ops->setvco(clk, vco); + + return 0; +} +EXPORT_SYMBOL(icst_clk_set); diff --git a/arch/arm/plat-versatile/include/plat/clock.h b/arch/arm/plat-versatile/include/plat/clock.h new file mode 100644 index 0000000..3cfb024 --- /dev/null +++ b/arch/arm/plat-versatile/include/plat/clock.h @@ -0,0 +1,15 @@ +#ifndef PLAT_CLOCK_H +#define PLAT_CLOCK_H + +#include <asm/hardware/icst.h> + +struct clk_ops { + long (*round)(struct clk *, unsigned long); + int (*set)(struct clk *, unsigned long); + void (*setvco)(struct clk *, struct icst_vco); +}; + +int icst_clk_set(struct clk *, unsigned long); +long icst_clk_round(struct clk *, unsigned long); + +#endif |