[PATCH 1/2] clk: cache parent clocks only for muxes
Rajendra Nayak
rnayak at ti.com
Wed Jun 6 05:11:30 EDT 2012
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 at ti.com>
---
drivers/clk/clk.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index 687b00d..40568e9 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -1229,7 +1229,7 @@ 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) {
+ if ((clk->num_parents > 1) && !clk->parents) {
clk->parents = kmalloc((sizeof(struct clk*) * clk->num_parents),
GFP_KERNEL);
/*
--
1.7.1
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