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Commit b5913bbd authored by Ben Dooks's avatar Ben Dooks Committed by Linus Torvalds
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SM501: initialise SDRAM clock before bus clocks 



This init sequence of setting the SDRAM clock before the bus clock is
recommend by Silicon Motion to stop problems with writes not sticking into
registers.

Signed-off-by: default avatarVincent Sanders <vince@simtec.co.uk>
Signed-off-by: default avatarBen Dooks <ben-linux@fluff.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 331d7475

drivers/mfd/sm501.c

+5 −5
Original line number Diff line number Diff line
@@ -843,15 +843,15 @@ static void sm501_init_regs(struct sm501_devdata *sm, 
	sm501_init_reg(sm, SM501_GPIO31_0_CONTROL, &init->gpio_low);

	sm501_init_reg(sm, SM501_GPIO63_32_CONTROL, &init->gpio_high);



	if (init->mclk) {

		dev_info(sm->dev, "setting MCLK to %ld\n", init->mclk);

		sm501_set_clock(sm->dev, SM501_CLOCK_MCLK, init->mclk);

	}



	if (init->m1xclk) {

		dev_info(sm->dev, "setting M1XCLK to %ld\n", init->m1xclk);

		sm501_set_clock(sm->dev, SM501_CLOCK_M1XCLK, init->m1xclk);

	}



	if (init->mclk) {

		dev_info(sm->dev, "setting MCLK to %ld\n", init->mclk);

		sm501_set_clock(sm->dev, SM501_CLOCK_MCLK, init->mclk);

	}

}



static unsigned int sm501_mem_local[] = {