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Diffstat (limited to 'arch/arm/mach-mxs/clock-mx23.c')
-rw-r--r--arch/arm/mach-mxs/clock-mx23.c35
1 files changed, 6 insertions, 29 deletions
diff --git a/arch/arm/mach-mxs/clock-mx23.c b/arch/arm/mach-mxs/clock-mx23.c
index e12e112..e3ac52c 100644
--- a/arch/arm/mach-mxs/clock-mx23.c
+++ b/arch/arm/mach-mxs/clock-mx23.c
@@ -223,7 +223,6 @@ static int cpu_clk_set_rate(struct clk *clk, unsigned long rate)
{
u32 reg, bm_busy, div_max, d, f, div, frac;
unsigned long diff, parent_rate, calc_rate;
- int i;
parent_rate = clk_get_rate(clk->parent);
@@ -275,14 +274,7 @@ static int cpu_clk_set_rate(struct clk *clk, unsigned long rate)
reg |= div << BP_CLKCTRL_CPU_DIV_CPU;
__raw_writel(reg, CLKCTRL_BASE_ADDR + HW_CLKCTRL_CPU);
- for (i = 10000; i; i--)
- if (!(__raw_readl(CLKCTRL_BASE_ADDR +
- HW_CLKCTRL_CPU) & bm_busy))
- break;
- if (!i) {
- pr_err("%s: divider writing timeout\n", __func__);
- return -ETIMEDOUT;
- }
+ mxs_clkctrl_timeout(HW_CLKCTRL_CPU, bm_busy);
return 0;
}
@@ -292,7 +284,6 @@ static int name##_set_rate(struct clk *clk, unsigned long rate) \
{ \
u32 reg, div_max, div; \
unsigned long parent_rate; \
- int i; \
\
parent_rate = clk_get_rate(clk->parent); \
div_max = BM_CLKCTRL_##dr##_DIV >> BP_CLKCTRL_##dr##_DIV; \
@@ -310,15 +301,7 @@ static int name##_set_rate(struct clk *clk, unsigned long rate) \
} \
__raw_writel(reg, CLKCTRL_BASE_ADDR + HW_CLKCTRL_##dr); \
\
- for (i = 10000; i; i--) \
- if (!(__raw_readl(CLKCTRL_BASE_ADDR + \
- HW_CLKCTRL_##dr) & BM_CLKCTRL_##dr##_BUSY)) \
- break; \
- if (!i) { \
- pr_err("%s: divider writing timeout\n", __func__); \
- return -ETIMEDOUT; \
- } \
- \
+ mxs_clkctrl_timeout(HW_CLKCTRL_##dr, BM_CLKCTRL_##dr##_BUSY); \
return 0; \
}
@@ -456,12 +439,13 @@ static struct clk_lookup lookups[] = {
_REGISTER_CLOCK("mxs-pwm.3", NULL, pwm_clk)
_REGISTER_CLOCK("mxs-pwm.4", NULL, pwm_clk)
_REGISTER_CLOCK("imx23-fb", NULL, lcdif_clk)
+ _REGISTER_CLOCK("imx23-gpmi-nand", NULL, gpmi_clk)
};
static int clk_misc_init(void)
{
u32 reg;
- int i;
+ int ret;
/* Fix up parent per register setting */
reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_CLKSEQ);
@@ -510,14 +494,7 @@ static int clk_misc_init(void)
reg |= 3 << BP_CLKCTRL_HBUS_DIV;
__raw_writel(reg, CLKCTRL_BASE_ADDR + HW_CLKCTRL_HBUS);
- for (i = 10000; i; i--)
- if (!(__raw_readl(CLKCTRL_BASE_ADDR +
- HW_CLKCTRL_HBUS) & BM_CLKCTRL_HBUS_BUSY))
- break;
- if (!i) {
- pr_err("%s: divider writing timeout\n", __func__);
- return -ETIMEDOUT;
- }
+ ret = mxs_clkctrl_timeout(HW_CLKCTRL_HBUS, BM_CLKCTRL_HBUS_BUSY);
/* Gate off cpu clock in WFI for power saving */
__raw_writel(BM_CLKCTRL_CPU_INTERRUPT_WAIT,
@@ -532,7 +509,7 @@ static int clk_misc_init(void)
reg |= 30 << BP_CLKCTRL_FRAC_IOFRAC;
__raw_writel(reg, CLKCTRL_BASE_ADDR + HW_CLKCTRL_FRAC);
- return 0;
+ return ret;
}
int __init mx23_clocks_init(void)