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clk: Allow providers to configure min/max rates

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clk providers are using the consumer APIs to set min/max rates on
the clock they're providing. To encourage clk providers to move
away from the consumer APIs, add a provider API to set the
min/max rate of a clock. The assumption is that this is done
before the clock can be requested via clk_get() and that the
clock rate is already within the boundaries of the min/max that's
configured.

Tested-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
This commit is contained in:
Stephen Boyd
2015-07-16 12:50:27 -07:00
parent 5c757456c1
commit 9783c0d985
2 changed files with 16 additions and 2 deletions
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2
include/linux/clk-provider.h
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@@ -619,6 +619,8 @@ int __clk_determine_rate(struct clk_hw *core, struct clk_rate_request *req);
int __clk_mux_determine_rate_closest(struct clk_hw *hw,
struct clk_rate_request *req);
void clk_hw_reparent(struct clk_hw *hw, struct clk_hw *new_parent);
void clk_hw_set_rate_range(struct clk_hw *hw, unsigned long min_rate,
unsigned long max_rate);
static inline void __clk_hw_set_clk(struct clk_hw *dst, struct clk_hw *src)
{