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authorBen Dooks <ben-linux@fluff.org>2007-06-23 17:16:29 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-06-24 08:59:11 -0700
commitb5913bbd2ddebd9c2c6841986c29376e691dd396 (patch)
tree1983d09d070af73bf7b416c6b6a2fe5200f6efa8 /drivers/mfd/sm501.c
parent331d74750e69a2202f857d3af9323335d0d6879f (diff)
downloadop-kernel-dev-b5913bbd2ddebd9c2c6841986c29376e691dd396.zip
op-kernel-dev-b5913bbd2ddebd9c2c6841986c29376e691dd396.tar.gz
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 <vince@simtec.co.uk> Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/mfd/sm501.c')
-rw-r--r--drivers/mfd/sm501.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/mfd/sm501.c b/drivers/mfd/sm501.c
index 72bbecf..4c4412e 100644
--- a/drivers/mfd/sm501.c
+++ b/drivers/mfd/sm501.c
@@ -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[] = {
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