linux-kernel - Re: [PATCH 02/10] soc: qcom: icc-bwmon: re-use IRQ enable/clear define

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Date:   Tue, 26 Jul 2022 16:50:08 +0530
From:   Sibi Sankar <quic_sibis@...cinc.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        "Konrad Dybcio" <konrad.dybcio@...ainline.org>,
        Georgi Djakov <djakov@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        <linux-arm-msm@...r.kernel.org>, <linux-pm@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>
CC:     Rajendra Nayak <quic_rjendra@...cinc.com>
Subject: Re: [PATCH 02/10] soc: qcom: icc-bwmon: re-use IRQ enable/clear
 define


On 7/21/22 12:57 AM, Krzysztof Kozlowski wrote:
> The interrupt enable, status and clear registers have the same layout,
> so BWMON_GLOBAL_IRQ_ENABLE_ENABLE define can be used also for clearing
> IRQ, instead of hard-coded value.
> 
> Cc: Rajendra Nayak <quic_rjendra@...cinc.com>
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>

Reviewed-by: Sibi Sankar <quic_sibis@...cinc.com>

> ---
>   drivers/soc/qcom/icc-bwmon.c | 3 ++-
>   1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/soc/qcom/icc-bwmon.c b/drivers/soc/qcom/icc-bwmon.c
> index bea3ea1de7a4..3415f42523cd 100644
> --- a/drivers/soc/qcom/icc-bwmon.c
> +++ b/drivers/soc/qcom/icc-bwmon.c
> @@ -162,7 +162,8 @@ static void bwmon_clear_irq(struct icc_bwmon *bwmon)
>   	 * interrupt is cleared.
>   	 */
>   	writel(BWMON_IRQ_ENABLE_MASK, bwmon->base + BWMON_IRQ_CLEAR);
> -	writel(BIT(0), bwmon->base + BWMON_GLOBAL_IRQ_CLEAR);
> +	writel(BWMON_GLOBAL_IRQ_ENABLE_ENABLE,
> +	       bwmon->base + BWMON_GLOBAL_IRQ_CLEAR);
>   }
>   
>   static void bwmon_disable(struct icc_bwmon *bwmon)
>