diff options
Diffstat (limited to 'arch/sh')
| -rw-r--r-- | arch/sh/kernel/cpu/sh4a/clock-sh7722.c | 72 |
1 files changed, 30 insertions, 42 deletions
diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7722.c b/arch/sh/kernel/cpu/sh4a/clock-sh7722.c index ebf1e1d7de0..69ab62dd015 100644 --- a/arch/sh/kernel/cpu/sh4a/clock-sh7722.c +++ b/arch/sh/kernel/cpu/sh4a/clock-sh7722.c @@ -567,12 +567,30 @@ static struct clk sh7722_video_clock = { .ops = &sh7722_video_clk_ops, }; -static int sh7722_mstpcr_start_stop(struct clk *clk, unsigned long reg, - int enable) +#define MSTPCR_ARCH_FLAGS(reg, bit) (((reg) << 8) | (bit)) +#define MSTPCR_ARCH_FLAGS_REG(value) ((value) >> 8) +#define MSTPCR_ARCH_FLAGS_BIT(value) ((value) & 0xff) + +static int sh7722_mstpcr_start_stop(struct clk *clk, int enable) { - unsigned long bit = clk->arch_flags; + unsigned long bit = MSTPCR_ARCH_FLAGS_BIT(clk->arch_flags); + unsigned long reg; unsigned long r; + switch(MSTPCR_ARCH_FLAGS_REG(clk->arch_flags)) { + case 0: + reg = MSTPCR0; + break; + case 1: + reg = MSTPCR1; + break; + case 2: + reg = MSTPCR2; + break; + default: + return -EINVAL; + } + r = ctrl_inl(reg); if (enable) @@ -584,56 +602,26 @@ static int sh7722_mstpcr_start_stop(struct clk *clk, unsigned long reg, return 0; } -static void sh7722_mstpcr0_enable(struct clk *clk) -{ - sh7722_mstpcr_start_stop(clk, MSTPCR0, 1); -} - -static void sh7722_mstpcr0_disable(struct clk *clk) +static void sh7722_mstpcr_enable(struct clk *clk) { - sh7722_mstpcr_start_stop(clk, MSTPCR0, 0); + sh7722_mstpcr_start_stop(clk, 1); } -static void sh7722_mstpcr1_enable(struct clk *clk) +static void sh7722_mstpcr_disable(struct clk *clk) { - sh7722_mstpcr_start_stop(clk, MSTPCR1, 1); + sh7722_mstpcr_start_stop(clk, 0); } -static void sh7722_mstpcr1_disable(struct clk *clk) -{ - sh7722_mstpcr_start_stop(clk, MSTPCR1, 0); -} - -static void sh7722_mstpcr2_enable(struct clk *clk) -{ - sh7722_mstpcr_start_stop(clk, MSTPCR2, 1); -} - -static void sh7722_mstpcr2_disable(struct clk *clk) -{ - sh7722_mstpcr_start_stop(clk, MSTPCR2, 0); -} - -static struct clk_ops sh7722_mstpcr0_clk_ops = { - .enable = sh7722_mstpcr0_enable, - .disable = sh7722_mstpcr0_disable, -}; - -static struct clk_ops sh7722_mstpcr1_clk_ops = { - .enable = sh7722_mstpcr1_enable, - .disable = sh7722_mstpcr1_disable, -}; - -static struct clk_ops sh7722_mstpcr2_clk_ops = { - .enable = sh7722_mstpcr2_enable, - .disable = sh7722_mstpcr2_disable, +static struct clk_ops sh7722_mstpcr_clk_ops = { + .enable = sh7722_mstpcr_enable, + .disable = sh7722_mstpcr_disable, }; #define DECLARE_MSTPCRN(regnr, bitnr, bitstr) \ { \ .name = "mstp" __stringify(regnr) bitstr, \ - .arch_flags = bitnr, \ - .ops = &sh7722_mstpcr ## regnr ## _clk_ops, \ + .arch_flags = MSTPCR_ARCH_FLAGS(regnr, bitnr), \ + .ops = &sh7722_mstpcr_clk_ops, \ } #define DECLARE_MSTPCR(regnr) \ |