linux-kernel - Re: [PATCH v4] usb: dwc3: Don't switch OTG -> peripheral if extcon is present

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Message-ID: <Yyw0K/hcTZ02UP+A@smile.fi.intel.com>
Date:   Thu, 22 Sep 2022 13:08:43 +0300
From:   Andy Shevchenko <andriy.shevchenko@...el.com>
To:     Andrey Smirnov <andrew.smirnov@...il.com>,
        Ferry Toth <fntoth@...il.com>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Felipe Balbi <balbi@...nel.org>,
        Thinh Nguyen <thinhn@...opsys.com>, linux-usb@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Thinh Nguyen <Thinh.Nguyen@...opsys.com>
Subject: Re: [PATCH v4] usb: dwc3: Don't switch OTG -> peripheral if extcon
 is present

On Sun, Apr 03, 2022 at 09:49:07AM -0700, Andrey Smirnov wrote:
> If the extcon device exists, get the mode from the extcon device. If
> the controller is DRD and the driver is unable to determine the mode,
> only then default the dr_mode to USB_DR_MODE_PERIPHERAL.

According to Ferry (Cc'ed) this broke Intel Merrifield platform. Ferry, can you
share bisect log?

Taking into account the late cycle, I would like to revert the change. And
Ferry and I would help to test any other (non-regressive) approach).

-- 
With Best Regards,
Andy Shevchenko