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Groups > linux.kernel > #1332377
| From | Michael Turquette <mturquette@baylibre.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH v42 2/6] clk: WARN_ON about to disable a critical clock |
| Date | 2016-02-11 22:30 +0100 |
| Message-ID | <r16Yi-5Zm-9@gated-at.bofh.it> (permalink) |
| References | <r16OB-5Vk-3@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
From: Lee Jones <lee.jones@linaro.org> Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Michael Turquette <mturquette@baylibre.com> --- drivers/clk/clk.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c index 993f775..39f9527 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; -- 2.1.4
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[PATCH v42 0/6] critical clocks and handoff clocks Michael Turquette <mturquette@baylibre.com> - 2016-02-11 22:20 +0100
[PATCH v42 6/6] clk: introduce CLK_ENABLE_HAND_OFF flag Michael Turquette <mturquette@baylibre.com> - 2016-02-11 22:20 +0100
[PATCH v42 4/6] clk: per-user clk prepare & enable ref counts Michael Turquette <mturquette@baylibre.com> - 2016-02-11 22:30 +0100
Re: [PATCH v42 4/6] clk: per-user clk prepare & enable ref counts Stephen Boyd <sboyd@codeaurora.org> - 2016-02-13 02:20 +0100
[PATCH v42 1/6] clk: Allow clocks to be marked as CRITICAL Michael Turquette <mturquette@baylibre.com> - 2016-02-11 22:30 +0100
Re: [PATCH v42 1/6] clk: Allow clocks to be marked as CRITICAL Lee Jones <lee.jones@linaro.org> - 2016-02-12 09:10 +0100
Re: [PATCH v42 1/6] clk: Allow clocks to be marked as CRITICAL Stephen Boyd <sboyd@codeaurora.org> - 2016-02-13 02:20 +0100
Re: [PATCH v42 1/6] clk: Allow clocks to be marked as CRITICAL Stephen Boyd <sboyd@codeaurora.org> - 2016-02-19 03:10 +0100
[PATCH v42 2/6] clk: WARN_ON about to disable a critical clock Michael Turquette <mturquette@baylibre.com> - 2016-02-11 22:30 +0100
Re: [PATCH v42 2/6] clk: WARN_ON about to disable a critical clock Stephen Boyd <sboyd@codeaurora.org> - 2016-02-13 02:20 +0100
[PATCH v42 3/6] clk: Provide OF helper to mark clocks as CRITICAL Michael Turquette <mturquette@baylibre.com> - 2016-02-11 22:30 +0100
Re: [PATCH v42 3/6] clk: Provide OF helper to mark clocks as CRITICAL Lee Jones <lee.jones@linaro.org> - 2016-02-12 09:10 +0100
Re: [PATCH v42 3/6] clk: Provide OF helper to mark clocks as CRITICAL Stephen Boyd <sboyd@codeaurora.org> - 2016-02-13 02:10 +0100
Re: [PATCH v42 0/6] critical clocks and handoff clocks Lee Jones <lee.jones@linaro.org> - 2016-02-12 09:10 +0100
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