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Date:   Tue, 6 Sep 2022 14:18:08 +0200
From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     Johan Hovold <johan@kernel.org>
Cc:     stable@vger.kernel.org, linux-kernel@vger.kernel.org,
        Johan Hovold <johan+linaro@kernel.org>,
        Matthias Kaehlcke <mka@chromium.org>,
        stable <stable@kernel.org>
Subject: Re: usb: dwc3: disable USB core PHY management
Message-ID: <Yxc6gCoDZ3w8MHOy@kroah.com>
References: <20220906120702.19219-4-johan@kernel.org>
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On Tue, Sep 06, 2022 at 02:07:02PM +0200, Johan Hovold wrote:
> From: Johan Hovold <johan+linaro@kernel.org>
> 
> commit 6000b8d900cd5f52fbcd0776d0cc396e88c8c2ea upstream.
> 
> The dwc3 driver manages its PHYs itself so the USB core PHY management
> needs to be disabled.
> 
> Use the struct xhci_plat_priv hack added by commits 46034a999c07 ("usb:
> host: xhci-plat: add platform data support") and f768e718911e ("usb:
> host: xhci-plat: add priv quirk for skip PHY initialization") to
> propagate the setting for now.
> 
> Fixes: 4e88d4c08301 ("usb: add a flag to skip PHY initialization to struct usb_hcd")
> Fixes: 178a0bce05cb ("usb: core: hcd: integrate the PHY wrapper into the HCD core")
> Tested-by: Matthias Kaehlcke <mka@chromium.org>
> Cc: stable <stable@kernel.org>
> Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
> Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
> Link: https://lore.kernel.org/r/20220825131836.19769-1-johan+linaro@kernel.org
> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> [ johan: adjust context to 5.15 ]
> Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> ---
>  drivers/usb/dwc3/host.c |   10 ++++++++++
>  1 file changed, 10 insertions(+)

Breaks the build on 4.19.y :(