linux-kernel - Re: [PATCH] USB: serial: pl2303: fix HX type detection

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Message-ID: <YQQWnnhhumPq2IB8@hovoldconsulting.com>
Date:   Fri, 30 Jul 2021 17:11:26 +0200
From:   Johan Hovold <johan@...nel.org>
To:     Greg KH <greg@...ah.com>
Cc:     Charles Yeh <charlesyeh522@...il.com>,
        Yeh.Charles [葉榮鑫] 
        <charles-yeh@...lific.com.tw>, linux-usb@...r.kernel.org,
        linux-kernel@...r.kernel.org, Chris <chris@...er-anlage.de>,
        stable@...r.kernel.org
Subject: Re: [PATCH] USB: serial: pl2303: fix HX type detection

On Fri, Jul 30, 2021 at 02:29:55PM +0200, Greg Kroah-Hartman wrote:
> On Fri, Jul 30, 2021 at 02:21:56PM +0200, Johan Hovold wrote:
> > The device release number for HX-type devices is configurable in
> > EEPROM/OTPROM and cannot be used reliably for type detection.
> > 
> > Assume all (non-H) devices with bcdUSB 1.1 and unknown bcdDevice to be
> > of HX type while adding a bcdDevice check for HXD and TB (1.1 and 2.0,
> > respectively).
> > 
> > Reported-by: Chris <chris@...er-anlage.de>
> > Fixes: 8a7bf7510d1f ("USB: serial: pl2303: amend and tighten type detection")
> > Cc: stable@...r.kernel.org	# 5.13
> > Signed-off-by: Johan Hovold <johan@...nel.org>
> > ---
> >  drivers/usb/serial/pl2303.c | 41 ++++++++++++++++++++++---------------
> >  1 file changed, 25 insertions(+), 16 deletions(-)
> > 
> 
> Reviewed-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

Thanks for reviewing. Now applied.

Johan