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| author | Magnus Damm <damm@opensource.se> | 2011-06-13 04:42:15 +0000 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2011-06-14 15:15:25 +0900 |
| commit | 583af252ab07cd1e8721878463da5b7016c18fdc (patch) | |
| tree | 2203e7388bf7402264e4da8bee1e53ab8e24221f /drivers/sh/clk | |
| parent | dcee0bb713d0ba0d32c5ce6fe0c5aa22e6fc274a (diff) | |
| download | linux-583af252ab07cd1e8721878463da5b7016c18fdc.tar.gz linux-583af252ab07cd1e8721878463da5b7016c18fdc.tar.bz2 linux-583af252ab07cd1e8721878463da5b7016c18fdc.zip | |
drivers: sh: resume enabled clocks fix
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>
Diffstat (limited to 'drivers/sh/clk')
| -rw-r--r-- | drivers/sh/clk/core.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/sh/clk/core.c b/drivers/sh/clk/core.c index 4f64183b27fa..7e9c39951ecb 100644 --- a/drivers/sh/clk/core.c +++ b/drivers/sh/clk/core.c @@ -635,7 +635,7 @@ static void clks_core_resume(void) struct clk *clkp; list_for_each_entry(clkp, &clock_list, node) { - if (likely(clkp->ops)) { + if (likely(clkp->usecount && clkp->ops)) { unsigned long rate = clkp->rate; if (likely(clkp->ops->set_parent)) |