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: Vincent Sanders <[EMAIL PROTECTED]> Signed-off-by: Ben Dooks <[EMAIL PROTECTED]> Index: linux-2.6.21-quilt8/drivers/mfd/sm501.c =================================================================== --- linux-2.6.21-quilt8.orig/drivers/mfd/sm501.c 2007-06-07 12:12:38.000000000 +0100 +++ linux-2.6.21-quilt8/drivers/mfd/sm501.c 2007-06-07 12:13:03.000000000 +0100 @@ -833,15 +833,15 @@ static void sm501_init_regs(struct sm501 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[] = { -- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/