sh: use arch_flags for sh_mobile mstpcr clock bits

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>

diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7722.c b/arch/sh/kernel/cpu/sh4a/clock-sh7722.c
index ebf1e1d..69ab62d 100644 (file)
--- 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) \