diff options
| author | Lee Jones <lee.jones@linaro.org> | 2018-07-26 18:42:27 +0100 |
|---|---|---|
| committer | Ben Hutchings <ben.hutchings@codethink.co.uk> | 2018-08-24 19:09:39 +0100 |
| commit | 693d51a9692d95af59cd39f430d1776b2872a62b (patch) | |
| tree | 0112f9ed2115027054ce1694e8875ef19eff5005 | |
| parent | 5f6dd552b5ea26642ebd553831d2cf50a39ebce2 (diff) | |
| download | linux-cip-693d51a9692d95af59cd39f430d1776b2872a62b.tar.gz | |
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
(cherry picked from commit 2e20fbf592621b2c2aeddd82e0fa3dad053cce03)
Signed-off-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
Reviewed-by: Biju Das <biju.das@bp.renesas.com>
Signed-off-by: Ben Hutchings <ben.hutchings@codethink.co.uk>
| -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 c2718c81609796..a5b6a200ffcb59 100644 --- a/drivers/clk/clk.c +++ b/drivers/clk/clk.c @@ -575,6 +575,9 @@ 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; @@ -680,6 +683,9 @@ 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; |