Messages in this thread Patch in this message | | | From | Andreas Kemnade <> | Subject | [PATCH v2 2/3] clk: ti: check clock type before doing autoidle ops | Date | Sat, 10 Nov 2018 21:31:14 +0100 |
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Code might use autoidle api with clocks not being omap2 clocks, so check if clock type is not basic
Signed-off-by: Andreas Kemnade <andreas@kemnade.info> --- New in v2 --- drivers/clk/ti/autoidle.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-)
diff --git a/drivers/clk/ti/autoidle.c b/drivers/clk/ti/autoidle.c index 161f67850393..5bdae5552d38 100644 --- a/drivers/clk/ti/autoidle.c +++ b/drivers/clk/ti/autoidle.c @@ -54,8 +54,12 @@ static DEFINE_SPINLOCK(autoidle_spinlock); int omap2_clk_deny_idle(struct clk *clk) { struct clk_hw_omap *c; + struct clk_hw *hw = __clk_get_hw(clk); - c = to_clk_hw_omap(__clk_get_hw(clk)); + if (clk_hw_get_flags(hw) & CLK_IS_BASIC) + return -EINVAL; + + c = to_clk_hw_omap(hw); if (c->ops && c->ops->deny_idle) { unsigned long irqflags; @@ -77,8 +81,12 @@ int omap2_clk_deny_idle(struct clk *clk) int omap2_clk_allow_idle(struct clk *clk) { struct clk_hw_omap *c; + struct clk_hw *hw = __clk_get_hw(clk); - c = to_clk_hw_omap(__clk_get_hw(clk)); + if (clk_hw_get_flags(hw) & CLK_IS_BASIC) + return -EINVAL; + + c = to_clk_hw_omap(hw); if (c->ops && c->ops->allow_idle) { unsigned long irqflags; -- 2.11.0
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