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yaml
---
r: 187391
b: refs/heads/master
c: bb9b1c7
h: refs/heads/master
i:
  187389: cf5942b
  187387: 1ce690c
  187383: 58b3785
  187375: f937b12
  187359: 49c5fc7
  187327: 642df9c
  187263: 9811b99
  187135: 4abfb74
  186879: a1f85e1
  186367: 7a43816
v: v3
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Ben Dooks committed Jan 19, 2010
1 parent fadd842 commit 9a787ad
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Showing 3 changed files with 20 additions and 16 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: c3e71c6d21a760c27b511e3dd9dbe46517c6f0f7
refs/heads/master: bb9b1c772727849051e485a877aa9a4b2d3ac1a1
9 changes: 2 additions & 7 deletions trunk/arch/arm/plat-s5pc1xx/clock.c
Original file line number Diff line number Diff line change
Expand Up @@ -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,
};

Expand All @@ -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)
Expand Down Expand Up @@ -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,
Expand Down
25 changes: 17 additions & 8 deletions trunk/arch/arm/plat-samsung/clock-clksrc.c
Original file line number Diff line number Diff line change
Expand Up @@ -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);
Expand Down Expand Up @@ -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)
Expand All @@ -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;
}
Expand All @@ -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;

Expand Down Expand Up @@ -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) {
Expand Down

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