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Date:   Thu, 3 Nov 2022 23:41:06 +0900
From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     Marek Szyprowski <m.szyprowski@samsung.com>
Cc:     linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org,
        linux-samsung-soc@vger.kernel.org, devicetree@vger.kernel.org,
        Stefan Agner <stefan@agner.ch>,
        Johan Hovold <johan@kernel.org>,
        Thinh Nguyen <Thinh.Nguyen@synopsys.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>,
        Rob Herring <robh+dt@kernel.org>,
        Frank Rowand <frowand.list@gmail.com>
Subject: Re: [PATCH 1/2] usb: dwc3: exynos: force PHY control from XHCI HCD
Message-ID: <Y2PTAj0gAyWcx+HI@kroah.com>
References: <CGME20221103141239eucas1p29dac7ffb7202852c18e48c48c068a90f@eucas1p2.samsung.com>
 <20221103141233.20179-1-m.szyprowski@samsung.com>
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In-Reply-To: <20221103141233.20179-1-m.szyprowski@samsung.com>
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On Thu, Nov 03, 2022 at 03:12:32PM +0100, Marek Szyprowski wrote:
> Force controlling of the generic USB PHYs also from XHCI HCD to let XHCI
> driver call calibrate() method during the HCD reset. DWC3 also controls
> USB PHYs, but it is not able to call the calibrate() method at the right
> moment.
> 
> Fixes: 6000b8d900cd ("usb: dwc3: disable USB core PHY management")
> Reported-by: Stefan Agner <stefan@agner.ch>
> Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
> ---
> This fixes the issue reported here:
> https://lore.kernel.org/all/808bdba846bb60456adf10a3016911ee@agner.ch/
> 
> Alternative for this change is a complete revert of the 6000b8d900cd
> ("usb: dwc3: disable USB core PHY management") commit.

We can revert that commit if something is broken so it can be fixed
properly instead of this.

thanks,

greg k-h