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Date: Mon, 19 Mar 2018 16:01:16 +0000
From: Sasha Levin <Alexander.Levin@...rosoft.com>
To: "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"stable@...r.kernel.org" <stable@...r.kernel.org>
CC: Alexandre Belloni <alexandre.belloni@...e-electrons.com>,
Stephen Boyd <sboyd@...eaurora.org>,
Sasha Levin <Alexander.Levin@...rosoft.com>
Subject: [PATCH AUTOSEL for 4.9 171/281] clk: at91: fix clk-generated
parenting
From: Alexandre Belloni <alexandre.belloni@...e-electrons.com>
[ 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@...e-electrons.com>
Fixes: df70aeef6083 ("clk: at91: add generated clock driver")
Signed-off-by: Stephen Boyd <sboyd@...eaurora.org>
Signed-off-by: Sasha Levin <alexander.levin@...rosoft.com>
---
drivers/clk/at91/clk-generated.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/clk/at91/clk-generated.c b/drivers/clk/at91/clk-generated.c
index 4e1cd5aa69d8..70474bd97a10 100644
--- a/drivers/clk/at91/clk-generated.c
+++ b/drivers/clk/at91/clk-generated.c
@@ -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;
}
--
2.14.1
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