Re: [PATCH 09/10] thermal: exynos: remove redundant pdata checks from exynos_tmu_control()

Eduardo Valentin
2014-05-15T15:03:35Z

Hello Bartlomiej,

On Mon, May 05, 2014 at 01:15:38PM +0200, Bartlomiej Zolnierkiewicz wrote:
> pdata->reference_voltage and pdata->gain are always defined
> to non-zero values so remove the redundant checks from
> exynos_tmu_control().
>

In all existing SoCs?
Should this be considered to any upcoming SoCs?

> There should be no functional changes caused by this patch.
>
> Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
> ---
> drivers/thermal/samsung/exynos_tmu.c | 12 ++++--------
> 1 file changed, 4 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/thermal/samsung/exynos_tmu.c b/drivers/thermal/samsung/exynos_tmu.c
> index a8d9524..45d7c6f 100644
> --- a/drivers/thermal/samsung/exynos_tmu.c
> +++ b/drivers/thermal/samsung/exynos_tmu.c
> @@ -215,15 +215,11 @@ static void exynos_tmu_control(struct platform_device *pdev, bool on)
> if (pdata->test_mux)
> con |= (pdata->test_mux << reg->test_mux_addr_shift);
>
> - if (pdata->reference_voltage) {
> - con &= ~(reg->buf_vref_sel_mask << reg->buf_vref_sel_shift);
> - con |= pdata->reference_voltage << reg->buf_vref_sel_shift;
> - }
> + con &= ~(reg->buf_vref_sel_mask << reg->buf_vref_sel_shift);
> + con |= pdata->reference_voltage << reg->buf_vref_sel_shift;
>
> - if (pdata->gain) {
> - con &= ~(reg->buf_slope_sel_mask << reg->buf_slope_sel_shift);
> - con |= (pdata->gain << reg->buf_slope_sel_shift);
> - }
> + con &= ~(reg->buf_slope_sel_mask << reg->buf_slope_sel_shift);
> + con |= (pdata->gain << reg->buf_slope_sel_shift);

The way it is put, looks like gain and reference_voltage are mandatory
pdata fields. Should these checks be moved to initialization phase?

>
> if (pdata->noise_cancel_mode) {
> con &= ~(reg->therm_trip_mode_mask <<
> --
> 1.8.2.3
>
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