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authorMagnus Damm <damm@igel.co.jp>2008-07-17 18:52:19 +0900
committerPaul Mundt <lethal@linux-sh.org>2008-07-28 18:10:36 +0900
commit3fec18bd603c3a55aeb325121a3e752f647641be (patch)
tree52dff076dc2183d6d6950746212b88a1e56f57e9
parent5c8f9d94fea98596db255a579f5d02a0195abda7 (diff)
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sh: Use arch_flags to simplify sh7722 siu clock code
Make use of arch_flags to simplify the SIU clock code. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
-rw-r--r--arch/sh/kernel/cpu/sh4a/clock-sh7722.c47
1 files changed, 9 insertions, 38 deletions
diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7722.c b/arch/sh/kernel/cpu/sh4a/clock-sh7722.c
index 299138ebe16..d7b14660f73 100644
--- a/arch/sh/kernel/cpu/sh4a/clock-sh7722.c
+++ b/arch/sh/kernel/cpu/sh4a/clock-sh7722.c
@@ -411,40 +411,16 @@ static struct clk_ops sh7722_frqcr_clk_ops = {
* clock ops methods for SIU A/B and IrDA clock
*
*/
-static int sh7722_siu_which(struct clk *clk)
-{
- if (!strcmp(clk->name, "siu_a_clk"))
- return 0;
- if (!strcmp(clk->name, "siu_b_clk"))
- return 1;
-#if defined(CONFIG_CPU_SUBTYPE_SH7722)
- if (!strcmp(clk->name, "irda_clk"))
- return 2;
-#endif
- return -EINVAL;
-}
-
-static unsigned long sh7722_siu_regs[] = {
- [0] = SCLKACR,
- [1] = SCLKBCR,
-#if defined(CONFIG_CPU_SUBTYPE_SH7722)
- [2] = IrDACLKCR,
-#endif
-};
static int sh7722_siu_start_stop(struct clk *clk, int enable)
{
- int siu = sh7722_siu_which(clk);
unsigned long r;
- if (siu < 0)
- return siu;
- BUG_ON(siu > 2);
- r = ctrl_inl(sh7722_siu_regs[siu]);
+ r = ctrl_inl(clk->arch_flags);
if (enable)
- ctrl_outl(r & ~(1 << 8), sh7722_siu_regs[siu]);
+ ctrl_outl(r & ~(1 << 8), clk->arch_flags);
else
- ctrl_outl(r | (1 << 8), sh7722_siu_regs[siu]);
+ ctrl_outl(r | (1 << 8), clk->arch_flags);
return 0;
}
@@ -496,31 +472,23 @@ static void sh7722_video_recalc(struct clk *clk)
static int sh7722_siu_set_rate(struct clk *clk, unsigned long rate, int algo_id)
{
- int siu = sh7722_siu_which(clk);
unsigned long r;
int div;
- if (siu < 0)
- return siu;
- BUG_ON(siu > 2);
- r = ctrl_inl(sh7722_siu_regs[siu]);
+ r = ctrl_inl(clk->arch_flags);
div = sh7722_find_divisors(clk->parent->rate, rate);
if (div < 0)
return div;
r = (r & ~0xF) | div;
- ctrl_outl(r, sh7722_siu_regs[siu]);
+ ctrl_outl(r, clk->arch_flags);
return 0;
}
static void sh7722_siu_recalc(struct clk *clk)
{
- int siu = sh7722_siu_which(clk);
unsigned long r;
- if (siu < 0)
- return /* siu */ ;
- BUG_ON(siu > 2);
- r = ctrl_inl(sh7722_siu_regs[siu]);
+ r = ctrl_inl(clk->arch_flags);
clk->rate = clk->parent->rate * 2 / divisors2[r & 0xF];
}
@@ -567,17 +535,20 @@ static struct clk sh7722_sdram_clock = {
*/
static struct clk sh7722_siu_a_clock = {
.name = "siu_a_clk",
+ .arch_flags = SCLKACR,
.ops = &sh7722_siu_clk_ops,
};
static struct clk sh7722_siu_b_clock = {
.name = "siu_b_clk",
+ .arch_flags = SCLKBCR,
.ops = &sh7722_siu_clk_ops,
};
#if defined(CONFIG_CPU_SUBTYPE_SH7722)
static struct clk sh7722_irda_clock = {
.name = "irda_clk",
+ .arch_flags = IrDACLKCR,
.ops = &sh7722_siu_clk_ops,
};
#endif