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clk: at91: fix clk-generated parenting

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[ Upstream commit 8e56133e5c7b7a7a97f6a92d92f664d5ecd30745 ]

clk_generated_startup is called after clk_hw_register. So the first call to
get_parent will not have the correct value (i.e. 0) and because this is
cached, it may never be updated.

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Fixes: df70aeef6083 ("clk: at91: add generated clock driver")
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Alexandre Belloni 2017-05-12 16:25:30 +02:00 committed by Greg Kroah-Hartman
parent 2630e187b9
commit 903ad1a90d
1 changed files with 1 additions and 2 deletions
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3
drivers/clk/at91/clk-generated.c
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@ -260,13 +260,12 @@ at91_clk_register_generated(struct regmap *regmap, spinlock_t *lock,
gck->lock = lock;
gck->range = *range;
clk_generated_startup(gck);
hw = &gck->hw;
ret = clk_hw_register(NULL, &gck->hw);
if (ret) {
kfree(gck);
hw = ERR_PTR(ret);
} else
clk_generated_startup(gck);
return hw;
}