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Diffstat (limited to 'arch/arm/mach-omap1/clock.c')
-rw-r--r--arch/arm/mach-omap1/clock.c32
1 files changed, 12 insertions, 20 deletions
diff --git a/arch/arm/mach-omap1/clock.c b/arch/arm/mach-omap1/clock.c
index ccf989f4aa7d..dafe4f71d15f 100644
--- a/arch/arm/mach-omap1/clock.c
+++ b/arch/arm/mach-omap1/clock.c
@@ -156,27 +156,25 @@ __u32 arm_idlect1_mask;
* Omap1 specific clock functions
*-------------------------------------------------------------------------*/
-static void omap1_watchdog_recalc(struct clk * clk)
+static unsigned long omap1_watchdog_recalc(struct clk *clk)
{
- clk->rate = clk->parent->rate / 14;
+ return clk->parent->rate / 14;
}
-static void omap1_uart_recalc(struct clk * clk)
+static unsigned long omap1_uart_recalc(struct clk *clk)
{
unsigned int val = __raw_readl(clk->enable_reg);
- if (val & clk->enable_bit)
- clk->rate = 48000000;
- else
- clk->rate = 12000000;
+ return val & clk->enable_bit ? 48000000 : 12000000;
}
-static void omap1_sossi_recalc(struct clk *clk)
+static unsigned long omap1_sossi_recalc(struct clk *clk)
{
u32 div = omap_readl(MOD_CONF_CTRL_1);
div = (div >> 17) & 0x7;
div++;
- clk->rate = clk->parent->rate / div;
+
+ return clk->parent->rate / div;
}
static int omap1_clk_enable_dsp_domain(struct clk *clk)
@@ -344,19 +342,15 @@ static int calc_dsor_exp(struct clk *clk, unsigned long rate)
return dsor_exp;
}
-static void omap1_ckctl_recalc(struct clk * clk)
+static unsigned long omap1_ckctl_recalc(struct clk *clk)
{
- int dsor;
-
/* Calculate divisor encoded as 2-bit exponent */
- dsor = 1 << (3 & (omap_readw(ARM_CKCTL) >> clk->rate_offset));
+ int dsor = 1 << (3 & (omap_readw(ARM_CKCTL) >> clk->rate_offset));
- if (unlikely(clk->rate == clk->parent->rate / dsor))
- return; /* No change, quick exit */
- clk->rate = clk->parent->rate / dsor;
+ return clk->parent->rate / dsor;
}
-static void omap1_ckctl_recalc_dsp_domain(struct clk * clk)
+static unsigned long omap1_ckctl_recalc_dsp_domain(struct clk *clk)
{
int dsor;
@@ -371,9 +365,7 @@ static void omap1_ckctl_recalc_dsp_domain(struct clk * clk)
dsor = 1 << (3 & (__raw_readw(DSP_CKCTL) >> clk->rate_offset));
omap1_clk_disable(&api_ck.clk);
- if (unlikely(clk->rate == clk->parent->rate / dsor))
- return; /* No change, quick exit */
- clk->rate = clk->parent->rate / dsor;
+ return clk->parent->rate / dsor;
}
/* MPU virtual clock functions */