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sh: use arch_flags for sh_mobile mstpcr clock bits

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Use arch_flags to keep track of register and flag number.

Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Magnus Damm 2008-10-31 20:14:28 +09:00 committed by Paul Mundt
parent d902d04f54
commit 1dc7b776d9
1 changed files with 30 additions and 42 deletions
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72
arch/sh/kernel/cpu/sh4a/clock-sh7722.c
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@ -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)
static void sh7722_mstpcr_enable(struct clk *clk)
{
sh7722_mstpcr_start_stop(clk, MSTPCR0, 1);
sh7722_mstpcr_start_stop(clk, 1);
}
static void sh7722_mstpcr0_disable(struct clk *clk)
static void sh7722_mstpcr_disable(struct clk *clk)
{
sh7722_mstpcr_start_stop(clk, MSTPCR0, 0);
sh7722_mstpcr_start_stop(clk, 0);
}
static void sh7722_mstpcr1_enable(struct clk *clk)
{
sh7722_mstpcr_start_stop(clk, MSTPCR1, 1);
}
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) \