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drivers: sh: resume enabled clocks fix

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Extend the SH / SH-Mobile ARM clock framework to only
resume clocks that have been enabled.

Without this fix divide-by-zero is triggering on sh7372
FSIDIV during system wide resume of Suspend-to-RAM.

Signed-off-by: Magnus Damm <damm@opensource.se>
Reviewed-by: Simon Horman <horms@verge.net.au>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Magnus Damm 2011-06-13 04:42:15 +00:00 committed by Paul Mundt
parent dcee0bb713
commit 583af252ab
1 changed files with 1 additions and 1 deletions
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2
drivers/sh/clk/core.c
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@ -635,7 +635,7 @@ static void clks_core_resume(void)
struct clk *clkp; struct clk *clkp;
list_for_each_entry(clkp, &clock_list, node) { list_for_each_entry(clkp, &clock_list, node) {
if (likely(clkp->ops)) { if (likely(clkp->usecount && clkp->ops)) {
unsigned long rate = clkp->rate; unsigned long rate = clkp->rate;
if (likely(clkp->ops->set_parent)) if (likely(clkp->ops->set_parent))