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SubjectRe: [PATCHv2 2/6] thermal: exynos: Reorder the gpu clock initialization for exynos5420 SoC
Hi Krzysztof,

On Sun, 15 May 2022 at 15:11, Krzysztof Kozlowski
<krzysztof.kozlowski@linaro.org> wrote:
>
> On 15/05/2022 08:41, Anand Moon wrote:
> > Reorder the tmu_gpu clock initialization for exynos5422 SoC.
>
> Why?
It just code reorder
>
> >
> > Cc: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
> > Signed-off-by: Anand Moon <linux.amoon@gmail.com>
> > ---
> > v1: split the changes and improve the commit messages
> > ---
> > drivers/thermal/samsung/exynos_tmu.c | 43 ++++++++++++++--------------
> > 1 file changed, 21 insertions(+), 22 deletions(-)
> >
> > diff --git a/drivers/thermal/samsung/exynos_tmu.c b/drivers/thermal/samsung/exynos_tmu.c
> > index 75b3afadb5be..1ef90dc52c08 100644
> > --- a/drivers/thermal/samsung/exynos_tmu.c
> > +++ b/drivers/thermal/samsung/exynos_tmu.c
> > @@ -1044,42 +1044,41 @@ static int exynos_tmu_probe(struct platform_device *pdev)
> > dev_err(&pdev->dev, "Failed to get clock\n");
> > ret = PTR_ERR(data->clk);
> > goto err_sensor;
> > - }
> > -
> > - data->clk_sec = devm_clk_get(&pdev->dev, "tmu_triminfo_apbif");
> > - if (IS_ERR(data->clk_sec)) {
> > - if (data->soc == SOC_ARCH_EXYNOS5420_TRIMINFO) {
> > - dev_err(&pdev->dev, "Failed to get triminfo clock\n");
> > - ret = PTR_ERR(data->clk_sec);
> > - goto err_sensor;
> > - }
> > } else {
> > - ret = clk_prepare_enable(data->clk_sec);
> > + ret = clk_prepare_enable(data->clk);
>
> This looks a bit odd. The clock was before taken unconditionally, not
> within "else" branch...

The whole *clk_sec* ie tmu_triminfo_apbif clock enable is being moved
down to the switch case.
tmu_triminfo_apbif clock is not used by Exynos4412 and Exynos5433 and
Exynos7 SoC.

>
>
> Best regards,
> Krzysztof

Thanks & Regards

-Anand

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