To avoid getting a different divider due to rounding errors when using
set_hclk later, use DIV_ROUND_UP for the returned value.
Signed-off-by: Wolfram Sang <w.sang@xxxxxxxxxxxxxx>
---
arch/arm/mach-mxs/speed-imx23.c | 5 +++--
arch/arm/mach-mxs/speed-imx28.c | 5 +++--
2 files changed, 6 insertions(+), 4 deletions(-)
diff --git a/arch/arm/mach-mxs/speed-imx23.c b/arch/arm/mach-mxs/speed-imx23.c
index b10c786..c9ca7ac 100644
--- a/arch/arm/mach-mxs/speed-imx23.c
+++ b/arch/arm/mach-mxs/speed-imx23.c
@@ -184,9 +184,10 @@ unsigned imx_get_hclk(void)
if (readl(IMX_CCM_BASE + HW_CLKCTRL_HBUS) & 0x20) {
rate *= readl(IMX_CCM_BASE + HW_CLKCTRL_HBUS) & 0x1f;
- rate >>= 5U; /* / 32 */
+ rate = DIV_ROUND_UP(rate, 32);
} else
- rate /= readl(IMX_CCM_BASE + HW_CLKCTRL_HBUS) & 0x1f;
+ rate = DIV_ROUND_UP(rate,
+ readl(IMX_CCM_BASE + HW_CLKCTRL_HBUS) & 0x1f);
return rate * 1000;
}
diff --git a/arch/arm/mach-mxs/speed-imx28.c b/arch/arm/mach-mxs/speed-imx28.c
index 67cdbdf..4f4db1b 100644
--- a/arch/arm/mach-mxs/speed-imx28.c
+++ b/arch/arm/mach-mxs/speed-imx28.c
@@ -251,9 +251,10 @@ unsigned imx_get_hclk(void)
if (readl(IMX_CCM_BASE + HW_CLKCTRL_HBUS) & 0x20) {
rate *= readl(IMX_CCM_BASE + HW_CLKCTRL_HBUS) & 0x1f;
- rate /= 32;
+ rate = DIV_ROUND_UP(rate, 32);
} else
- rate /= readl(IMX_CCM_BASE + HW_CLKCTRL_HBUS) & 0x1f;
+ rate = DIV_ROUND_UP(rate,
+ readl(IMX_CCM_BASE + HW_CLKCTRL_HBUS) & 0x1f);
return rate * 1000;
}
--
1.7.10
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