From 0357ae8f8cf460226e6b4167ce4350452ea68943 Mon Sep 17 00:00:00 2001 From: Marek Vasut Date: Thu, 24 Jun 2010 15:57:12 +0200 Subject: [PATCH] [ARM] pxa: cpufreq-pxa2xx: fix DRI recomputation routine This patch: 1) Simpifies the DRI recomputation routine by pulling out the common code 2) Fixes a bug in PXA27x DRI recomputation caused by incorrect parenthesis Signed-off-by: Marek Vasut Signed-off-by: Eric Miao --- arch/arm/mach-pxa/cpufreq-pxa2xx.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) diff --git a/arch/arm/mach-pxa/cpufreq-pxa2xx.c b/arch/arm/mach-pxa/cpufreq-pxa2xx.c index 9e4d9816726a..268a9bc6be8a 100644 --- a/arch/arm/mach-pxa/cpufreq-pxa2xx.c +++ b/arch/arm/mach-pxa/cpufreq-pxa2xx.c @@ -256,13 +256,9 @@ static void init_sdram_rows(void) static u32 mdrefr_dri(unsigned int freq) { - u32 dri = 0; + u32 interval = freq * SDRAM_TREF / sdram_rows; - if (cpu_is_pxa25x()) - dri = ((freq * SDRAM_TREF) / (sdram_rows * 32)); - if (cpu_is_pxa27x()) - dri = ((freq * SDRAM_TREF) / (sdram_rows - 31)) / 32; - return dri; + return (interval - (cpu_is_pxa27x() ? 31 : 0)) / 32; } /* find a valid frequency point */