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| author | Lee Jones | 2016-02-11 22:19:10 +0100 |
|---|---|---|
| committer | Michael Turquette | 2016-04-09 20:58:10 +0200 |
| commit | 2e20fbf592621b2c2aeddd82e0fa3dad053cce03 (patch) | |
| tree | c29456bb2133a5891c8318dde2d71a271580adb1 /drivers/clk/clk.c | |
| parent | clk: Allow clocks to be marked as CRITICAL (diff) | |
| download | kernel-qcow2-linux-2e20fbf592621b2c2aeddd82e0fa3dad053cce03.tar.gz kernel-qcow2-linux-2e20fbf592621b2c2aeddd82e0fa3dad053cce03.tar.xz kernel-qcow2-linux-2e20fbf592621b2c2aeddd82e0fa3dad053cce03.zip | |
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
Diffstat (limited to 'drivers/clk/clk.c')
| -rw-r--r-- | drivers/clk/clk.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c index 275201fd7b01..dede0ce679e4 100644 --- a/drivers/clk/clk.c +++ b/drivers/clk/clk.c @@ -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; |