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clk: WARN_ON about to disable a critical clock 

Signed-off-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Michael Turquette <mturquette@baylibre.com>
Link: lkml.kernel.org/r/1455225554-13267-3-git-send-email-mturquette@baylibre.com
hifive-unleashed-5.1
Lee Jones 2016-02-11 13:19:10 -08:00 committed by Michael Turquette
parent 32b9b10961
commit 2e20fbf592
1 changed files with 6 additions and 0 deletions
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6
drivers/clk/clk.c
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@ -574,6 +574,9 @@ static void clk_core_unprepare(struct clk_core *core)
if (WARN_ON(core->prepare_count == 0))
return;
if (WARN_ON(core->prepare_count == 1 && core->flags & CLK_IS_CRITICAL))
return;
if (--core->prepare_count > 0)
return;
@ -679,6 +682,9 @@ static void clk_core_disable(struct clk_core *core)
if (WARN_ON(core->enable_count == 0))
return;
if (WARN_ON(core->enable_count == 1 && core->flags & CLK_IS_CRITICAL))
return;
if (--core->enable_count > 0)
return;