From: Alexandre Belloni alexandre.belloni@free-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@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 --- 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; }