linux-kernel - Re: [PATCH] usb: dwc3: meson-g12a: do post init to fix broken usb after resumption

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Date:   Tue, 8 Aug 2023 06:56:06 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Luke Lu <luke.lu@...re.computer>
Cc:     Neil Armstrong <neil.armstrong@...aro.org>,
        linux-usb@...r.kernel.org, linux-amlogic@...ts.infradead.org,
        Thinh Nguyen <Thinh.Nguyen@...opsys.com>,
        Kevin Hilman <khilman@...libre.com>,
        Jerome Brunet <jbrunet@...libre.com>,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
        Da Xue <da@...re.computer>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] usb: dwc3: meson-g12a: do post init to fix broken usb
 after resumption

On Tue, Aug 08, 2023 at 03:25:10AM +0000, Luke Lu wrote:
> Device connected to usb otg port of GXL-based boards can not be
> recognised after resumption, doesn't recover even if disconnect and
> reconnect the device. dmesg shows it disconnects during resumption.
> 
> [   41.492911] usb 1-2: USB disconnect, device number 3
> [   41.499346] usb 1-2: unregistering device
> [   41.511939] usb 1-2: unregistering interface 1-2:1.0
> 
> Calling usb_post_init() will fix this issue, and it's tested and
> verified on libretech's aml-s905x-cc board.
> 
> Signed-off-by: Luke Lu <luke.lu@...re.computer>

What commit id does this fix?  Should it also go to stable kernels?

thanks,

greg k-h