Re: [PATCH v5 8/9] thermal: exynos: use BIT wherever possible

[Lukasz Luba]

Hi Mateusz,

On 11/20/23 14:50, Mateusz Majewski wrote:
> The original driver did not use that macro and it allows us to make our
> intentions slightly clearer.
>
> Signed-off-by: Mateusz Majewski <m.majewski2@xxxxxxxxxxx>
> ---
>   drivers/thermal/samsung/exynos_tmu.c | 24 ++++++++++++------------
>   1 file changed, 12 insertions(+), 12 deletions(-)

[snip]

> @@ -590,15 +590,15 @@ static void exynos5433_tmu_control(struct platform_device *pdev, bool on)
>   				continue;
>   
>   			interrupt_en |=
> -				(1 << (EXYNOS7_TMU_INTEN_RISE0_SHIFT + i));
> +				BIT(EXYNOS7_TMU_INTEN_RISE0_SHIFT + i);
>   		}
>   
>   		interrupt_en |=
>   			interrupt_en << EXYNOS_TMU_INTEN_FALL0_SHIFT;
>   
> -		con |= (1 << EXYNOS_TMU_CORE_EN_SHIFT);
> +		con |= BIT(EXYNOS_TMU_CORE_EN_SHIFT);
>   	} else

Minor issue: the if-else segment here. When the 'if' has the
brackets, then the 'else' should have them as well,
even if there is only a single line under 'else'.
It's not strictly to this patch, but you can address that
later somewhere (just saw it here).

> -		con &= ~(1 << EXYNOS_TMU_CORE_EN_SHIFT);
> +		con &= ~BIT(EXYNOS_TMU_CORE_EN_SHIFT);
>   
>   	pd_det_en = on ? EXYNOS5433_PD_DET_EN : 0;
>   
> @@ -622,17 +622,17 @@ static void exynos7_tmu_control(struct platform_device *pdev, bool on)
>   				continue;
>   
>   			interrupt_en |=
> -				(1 << (EXYNOS7_TMU_INTEN_RISE0_SHIFT + i));
> +				BIT(EXYNOS7_TMU_INTEN_RISE0_SHIFT + i);
>   		}
>   
>   		interrupt_en |=
>   			interrupt_en << EXYNOS_TMU_INTEN_FALL0_SHIFT;
>   
> -		con |= (1 << EXYNOS_TMU_CORE_EN_SHIFT);
> -		con |= (1 << EXYNOS7_PD_DET_EN_SHIFT);
> +		con |= BIT(EXYNOS_TMU_CORE_EN_SHIFT);
> +		con |= BIT(EXYNOS7_PD_DET_EN_SHIFT);
>   	} else {
> -		con &= ~(1 << EXYNOS_TMU_CORE_EN_SHIFT);
> -		con &= ~(1 << EXYNOS7_PD_DET_EN_SHIFT);
> +		con &= ~BIT(EXYNOS_TMU_CORE_EN_SHIFT);
> +		con &= ~BIT(EXYNOS7_PD_DET_EN_SHIFT);
>   	}
>   
>   	writel(interrupt_en, data->base + EXYNOS7_TMU_REG_INTEN);


The patch LGTM,

Reviewed-by Lukasz Luba <lukasz.luba@xxxxxxx>

Regards,
Lukasz