diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/plat-s5pc1xx/clock.c | 9 | ||||
| -rw-r--r-- | arch/arm/plat-samsung/clock-clksrc.c | 25 |
2 files changed, 19 insertions, 15 deletions
diff --git a/arch/arm/plat-s5pc1xx/clock.c b/arch/arm/plat-s5pc1xx/clock.c index aec0305174aa..387f23190c3c 100644 --- a/arch/arm/plat-s5pc1xx/clock.c +++ b/arch/arm/plat-s5pc1xx/clock.c @@ -64,18 +64,12 @@ struct clk clk_54m = { .rate = 54000000, }; -static int clk_dummy_enable(struct clk *clk, int enable) -{ - return 0; -} - struct clk clk_hd0 = { .name = "hclkd0", .id = -1, .rate = 0, .parent = NULL, .ctrlbit = 0, - .enable = clk_dummy_enable, .ops = &clk_ops_def_setrate, }; @@ -86,7 +80,6 @@ struct clk clk_pd0 = { .parent = NULL, .ctrlbit = 0, .ops = &clk_ops_def_setrate, - .enable = clk_dummy_enable, }; static int s5pc1xx_clk_gate(void __iomem *reg, struct clk *clk, int enable) @@ -680,6 +673,8 @@ static struct clk s5pc100_init_clocks[] = { static struct clk *clks[] __initdata = { &clk_ext, &clk_epll, + &clk_pd0, + &clk_hd0, &clk_27m, &clk_48m, &clk_54m, diff --git a/arch/arm/plat-samsung/clock-clksrc.c b/arch/arm/plat-samsung/clock-clksrc.c index 33c633a8be8d..ae8b8507663f 100644 --- a/arch/arm/plat-samsung/clock-clksrc.c +++ b/arch/arm/plat-samsung/clock-clksrc.c @@ -60,7 +60,7 @@ static int s3c_setrate_clksrc(struct clk *clk, unsigned long rate) rate = clk_round_rate(clk, rate); div = clk_get_rate(clk->parent) / rate; - if (div > 16) + if (div > (1 << sclk->reg_div.size)) return -EINVAL; val = __raw_readl(reg); @@ -102,7 +102,9 @@ static int s3c_setparent_clksrc(struct clk *clk, struct clk *parent) static unsigned long s3c_roundrate_clksrc(struct clk *clk, unsigned long rate) { + struct clksrc_clk *sclk = to_clksrc(clk); unsigned long parent_rate = clk_get_rate(clk->parent); + int max_div = 1 << sclk->reg_div.size; int div; if (rate >= parent_rate) @@ -114,8 +116,8 @@ static unsigned long s3c_roundrate_clksrc(struct clk *clk, if (div == 0) div = 1; - if (div > 16) - div = 16; + if (div > max_div) + div = max_div; rate = parent_rate / div; } @@ -129,11 +131,16 @@ void __init_or_cpufreq s3c_set_clksrc(struct clksrc_clk *clk, bool announce) { struct clksrc_sources *srcs = clk->sources; u32 mask = bit_mask(clk->reg_src.shift, clk->reg_src.size); - u32 clksrc = 0; + u32 clksrc; - if (clk->reg_src.reg) - clksrc = __raw_readl(clk->reg_src.reg); + if (!clk->reg_src.reg) { + if (!clk->clk.parent) + printk(KERN_ERR "%s: no parent clock specified\n", + clk->clk.name); + return; + } + clksrc = __raw_readl(clk->reg_src.reg); clksrc &= mask; clksrc >>= clk->reg_src.shift; @@ -172,9 +179,11 @@ void __init s3c_register_clksrc(struct clksrc_clk *clksrc, int size) { int ret; - WARN_ON(!clksrc->reg_div.reg && !clksrc->reg_src.reg); - for (; size > 0; size--, clksrc++) { + if (!clksrc->reg_div.reg && !clksrc->reg_src.reg) + printk(KERN_ERR "%s: clock %s has no registers set\n", + __func__, clksrc->clk.name); + /* fill in the default functions */ if (!clksrc->clk.ops) { |
