Re: [PATCH] clk: samsung: fix getting Exynos4 fin_pll rate from external clocks

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On 22.07.2024 08:33, Krzysztof Kozlowski wrote:
Commit 0dc83ad8bfc9 ("clk: samsung: Don't register clkdev lookup for the
fixed rate clocks") claimed registering clkdev lookup is not necessary
anymore, but that was not entirely true: Exynos4210/4212/4412 clock code
still relied on it to get the clock rate of xxti or xusbxti external
clocks.

Drop that requirement by accessing already registered clk_hw when
looking up the xxti/xusbxti rate.

Reported-by: Artur Weber <aweber.kernel@xxxxxxxxx>
Closes: https://lore.kernel.org/all/6227c1fb-d769-462a-b79b-abcc15d3db8e@xxxxxxxxx/
Fixes: 0dc83ad8bfc9 ("clk: samsung: Don't register clkdev lookup for the fixed rate clocks")
Cc: <stable@xxxxxxxxxxxxxxx>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>

Seems to fix the warning for me on the Samsung Galaxy Tab 3 8.0, so:

Tested-by: Artur Weber <aweber.kernel@xxxxxxxxx> # Exynos4212

Thanks for the patch!

Best regards
Artur




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