linux-kernel - Re: [PATCH] clocksource: sun5i: fail gracefully when clock rate is unavailable

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Message-ID: <0f9b4bc0-6969-97d3-8ac6-63931ea6db92@linaro.org>
Date:   Thu, 10 Jan 2019 10:19:52 +0100
From:   Daniel Lezcano <daniel.lezcano@...aro.org>
To:     Chen-Yu Tsai <wens@...e.org>, Thomas Gleixner <tglx@...utronix.de>,
        Maxime Ripard <maxime.ripard@...tlin.com>
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] clocksource: sun5i: fail gracefully when clock rate is
 unavailable

On 10/01/2019 07:22, Chen-Yu Tsai wrote:
> If the clock tree is not fully populated when the timer-sun5i init code
> is called, attempts to get the clock rate for the timer would fail and
> return 0.
> 
> Make the init code for both clock events and clocksource check the
> returned clock rate and fail gracefully if the result is 0, instead of
> causing a divide by 0 exception later on.
> 
> Fixes: 4a59058f0b09 ("clocksource/drivers/sun5i: Refactor the current code")
> Signed-off-by: Chen-Yu Tsai <wens@...e.org>
> ---

Applied thanks.
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