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Commit 0357ae8f authored by Marek Vasut's avatar Marek Vasut Committed by Eric Miao
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[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: default avatarMarek Vasut <marek.vasut@gmail.com>
Signed-off-by: default avatarEric Miao <eric.y.miao@gmail.com>
parent 5852984a

arch/arm/mach-pxa/cpufreq-pxa2xx.c

+2 −6
Original line number Diff line number Diff line
@@ -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 */