linux-kernel - Re: [PATCH] rtc: sun6i: Add support for RTC clocks on R40

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Message-ID: <20191209095027.ivvatpcmft6357hs@gilmour.lan>
Date:   Mon, 9 Dec 2019 10:50:27 +0100
From:   Maxime Ripard <mripard@...nel.org>
To:     Chen-Yu Tsai <wens@...nel.org>
Cc:     Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Alessandro Zummo <a.zummo@...ertech.it>,
        Chen-Yu Tsai <wens@...e.org>, linux-rtc@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        stable@...r.kernel.org
Subject: Re: [PATCH] rtc: sun6i: Add support for RTC clocks on R40

On Thu, Dec 05, 2019 at 04:50:54PM +0800, Chen-Yu Tsai wrote:
> From: Chen-Yu Tsai <wens@...e.org>
>
> When support for the R40 in the rtc-sun6i driver was split out for a
> separate compatible string, only the RTC half was covered, and not the
> clock half. Unfortunately this results in the whole driver not working,
> as the RTC half expects the clock half to have been initialized.
>
> Add support for the clock part as well. The clock part is like the H3,
> but does not need to export the internal oscillator, nor does it have
> a gateable LOSC external output.
>
> This fixes issues with WiFi and Bluetooth not working on the BPI M2U.
>
> Fixes: d6624cc75021 ("rtc: sun6i: Add R40 compatible")
> Cc: <stable@...r.kernel.org> # 5.3.x
> Signed-off-by: Chen-Yu Tsai <wens@...e.org>

Acked-by: Maxime Ripard <mripard@...nel.org>

Maxime

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