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clk: WARN_ON about to disable a critical clock

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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
(cherry picked from commit 2e20fbf592621b2c2aeddd82e0fa3dad053cce03)
Git-commit: 2e20fbf592621b2c2aeddd82e0fa3dad053cce03
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git

Change-Id: I88418dd25f356402219d7ff36ce791370c69114a
Signed-off-by: Taniya Das <tdas@codeaurora.org>
This commit is contained in:
Lee Jones 2016-02-11 13:19:10 -08:00 • committed by Taniya Das
parent 2cb4fc7a17
commit a2c13a4cc2
1 changed files with 6 additions and 0 deletions
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6
drivers/clk/clk.c
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@ -825,6 +825,9 @@ 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;
@ -940,6 +943,9 @@ 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;