linux-kernel - Re: [RESEND] clocksource: sun4i: add definition of clear interrupt

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Message-ID: <2113704.irdbgypaU6@kista>
Date:   Tue, 06 Sep 2022 21:54:15 +0200
From:   Jernej Škrabec <jernej.skrabec@...il.com>
To:     maxime@...no.tech, daniel.lezcano@...aro.org, tglx@...utronix.de,
        wens@...e.org, samuel@...lland.org,
        Victor Hassan <victor@...winnertech.com>
Cc:     linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-sunxi@...ts.linux.dev
Subject: Re: [RESEND] clocksource: sun4i: add definition of clear interrupt

Dne torek, 06. september 2022 ob 07:20:56 CEST je Victor Hassan napisal(a):
> To prevent misunderstanding, use TIMER_IRQ_CLEAR instead of TIMER_IRQ_EN
> in function sun4i_timer_clear_interrupt.
> 
> Signed-off-by: Victor Hassan <victor@...winnertech.com>

Acked-by: Jernej Skrabec <jernej.skrabec@...il.com>

Best regards,
Jernej

> ---
>  drivers/clocksource/timer-sun4i.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/clocksource/timer-sun4i.c
> b/drivers/clocksource/timer-sun4i.c index 94dc6e42e983..e5a70aa1deb4 100644
> --- a/drivers/clocksource/timer-sun4i.c
> +++ b/drivers/clocksource/timer-sun4i.c
> @@ -26,6 +26,7 @@
>  #define TIMER_IRQ_EN_REG	0x00
>  #define TIMER_IRQ_EN(val)		BIT(val)
>  #define TIMER_IRQ_ST_REG	0x04
> +#define TIMER_IRQ_CLEAR(val)		BIT(val)
>  #define TIMER_CTL_REG(val)	(0x10 * val + 0x10)
>  #define TIMER_CTL_ENABLE		BIT(0)
>  #define TIMER_CTL_RELOAD		BIT(1)
> @@ -123,7 +124,7 @@ static int sun4i_clkevt_next_event(unsigned long evt,
> 
>  static void sun4i_timer_clear_interrupt(void __iomem *base)
>  {
> -	writel(TIMER_IRQ_EN(0), base + TIMER_IRQ_ST_REG);
> +	writel(TIMER_IRQ_CLEAR(0), base + TIMER_IRQ_ST_REG);
>  }
> 
>  static irqreturn_t sun4i_timer_interrupt(int irq, void *dev_id)
> --
> 2.29.0