diff options
| author | Rajendra Nayak <rnayak@ti.com> | 2012-06-06 14:41:30 +0530 |
|---|---|---|
| committer | Mike Turquette <mturquette@linaro.org> | 2012-07-11 15:36:45 -0700 |
| commit | 9ca1c5a4bf4105d6f2f2a46892495953dd3e2fec (patch) | |
| tree | 8aae4e19948d34c24935ffc429a58a95e5e85379 /drivers/clk/clk.c | |
| parent | f05259a6ffa40097b5565f25c3fcf833a9d3ecf5 (diff) | |
| download | lwn-9ca1c5a4bf4105d6f2f2a46892495953dd3e2fec.tar.gz lwn-9ca1c5a4bf4105d6f2f2a46892495953dd3e2fec.zip | |
clk: cache parent clocks only for muxes
caching parent clocks makes sense only when a clock has more
than one parent (mux clocks).
Avoid doing this for every other clock.
Signed-off-by: Rajendra Nayak <rnayak@ti.com>
[mturquette@linaro.org: removed extra parentheses]
Signed-off-by: Mike Turquette <mturquette@linaro.org>
Diffstat (limited to 'drivers/clk/clk.c')
| -rw-r--r-- | drivers/clk/clk.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c index 9a1eb0cfa95f..46317cbc088f 100644 --- a/drivers/clk/clk.c +++ b/drivers/clk/clk.c @@ -1235,8 +1235,8 @@ int __clk_init(struct device *dev, struct clk *clk) * If clk->parents is not NULL we skip this entire block. This allows * for clock drivers to statically initialize clk->parents. */ - if (clk->num_parents && !clk->parents) { - clk->parents = kmalloc((sizeof(struct clk*) * clk->num_parents), + if (clk->num_parents > 1 && !clk->parents) { + clk->parents = kzalloc((sizeof(struct clk*) * clk->num_parents), GFP_KERNEL); /* * __clk_lookup returns NULL for parents that have not been |