linux-kernel - Re: [PATCH 03/22] clocksource/drivers/rockchip: Make the driver more compatible

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Message-ID: <5093304.EN6Bc2EjLr@wuerfel>
Date:	Mon, 02 Nov 2015 16:33:27 +0100
From:	Arnd Bergmann <arnd@...db.de>
To:	linux-arm-kernel@...ts.infradead.org
Cc:	Daniel Lezcano <daniel.lezcano@...aro.org>, tglx@...utronix.de,
	Heiko Stuebner <heiko@...ech.de>, linux-kernel@...r.kernel.org,
	"open list:ARM/Rockchip SoC..." <linux-rockchip@...ts.infradead.org>,
	john.stultz@...aro.org, Caesar Wang <wxt@...k-chips.com>
Subject: Re: [PATCH 03/22] clocksource/drivers/rockchip: Make the driver more compatible

On Monday 02 November 2015 13:56:31 Daniel Lezcano wrote:
>  static inline void rk_timer_disable(struct clock_event_device *ce)
>  {
>         writel_relaxed(TIMER_DISABLE, rk_base(ce) + TIMER_CONTROL_REG);
> -       dsb();
> +       dsb(sy);
>  }
>  
>  static inline void rk_timer_enable(struct clock_event_device *ce, u32 flags)
>  {
>         writel_relaxed(TIMER_ENABLE | TIMER_INT_UNMASK | flags,
>                        rk_base(ce) + TIMER_CONTROL_REG);
> -       dsb();
> +       dsb(sy);
>  }
>  
> 

This will fail the compile test, because dsb() is not available on non-ARM
architectures. Would it be enough to just use the normal writel() accessor
here?

	Arnd
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