From: Greg KH <greg@kroah.com>
To: Johan Hovold <johan@kernel.org>
Cc: "Charles Yeh" <charlesyeh522@gmail.com>,
"Yeh.Charles [葉榮鑫]" <charles-yeh@prolific.com.tw>,
linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org,
Chris <chris@cyber-anlage.de>,
stable@vger.kernel.org
Subject: Re: [PATCH] USB: serial: pl2303: fix HX type detection
Date: Fri, 30 Jul 2021 14:29:55 +0200 [thread overview]
Message-ID: <YQPwwygDuJklttlP@kroah.com> (raw)
In-Reply-To: <20210730122156.718-1-johan@kernel.org>
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@cyber-anlage.de>
> Fixes: 8a7bf7510d1f ("USB: serial: pl2303: amend and tighten type detection")
> Cc: stable@vger.kernel.org # 5.13
> Signed-off-by: Johan Hovold <johan@kernel.org>
> ---
> drivers/usb/serial/pl2303.c | 41 ++++++++++++++++++++++---------------
> 1 file changed, 25 insertions(+), 16 deletions(-)
>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
next prev parent reply other threads:[~2021-07-30 12:30 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <YQPsgPey1V+7ccGq@hovoldconsulting.com>
2021-07-30 12:21 ` [PATCH] USB: serial: pl2303: fix HX type detection Johan Hovold
2021-07-30 12:29 ` Greg KH [this message]
2021-07-30 15:11 ` Johan Hovold
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