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-rw-r--r--arch/arm/mach-uniphier/clk/pll-base-ld20.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/arm/mach-uniphier/clk/pll-base-ld20.c b/arch/arm/mach-uniphier/clk/pll-base-ld20.c
index 45fdf0a322..c9b78b9e88 100644
--- a/arch/arm/mach-uniphier/clk/pll-base-ld20.c
+++ b/arch/arm/mach-uniphier/clk/pll-base-ld20.c
@@ -7,6 +7,7 @@
#include <linux/bitops.h>
#include <linux/delay.h>
+#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/io.h>
#include <linux/sizes.h>
@@ -41,13 +42,14 @@ int uniphier_ld20_sscpll_init(unsigned long reg_base, unsigned int freq,
if (freq != UNIPHIER_PLL_FREQ_DEFAULT) {
tmp = readl(base); /* SSCPLLCTRL */
tmp &= ~SC_PLLCTRL_SSC_DK_MASK;
- tmp |= (487 * freq * ssc_rate / divn / 512) &
+ tmp |= DIV_ROUND_CLOSEST(487UL * freq * ssc_rate, divn * 512) &
SC_PLLCTRL_SSC_DK_MASK;
writel(tmp, base);
tmp = readl(base + 4);
tmp &= ~SC_PLLCTRL2_SSC_JK_MASK;
- tmp |= (41859 * freq / divn) & SC_PLLCTRL2_SSC_JK_MASK;
+ tmp |= DIV_ROUND_CLOSEST(21431887UL * freq, divn * 512) &
+ SC_PLLCTRL2_SSC_JK_MASK;
writel(tmp, base + 4);
udelay(50);