From patchwork Tue Nov 23 09:10:17 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Johan Hovold X-Patchwork-Id: 12633787 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4F90CC433FE for ; Tue, 23 Nov 2021 09:11:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234634AbhKWJOl (ORCPT ); Tue, 23 Nov 2021 04:14:41 -0500 Received: from mail.kernel.org ([198.145.29.99]:55626 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232003AbhKWJOl (ORCPT ); Tue, 23 Nov 2021 04:14:41 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 49D2660F5A; Tue, 23 Nov 2021 09:11:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1637658693; bh=uw8P7/0v1UxKq6wjCwJcO0k0TrTVKVVMdns8Y5hTk00=; h=From:To:Cc:Subject:Date:From; b=XgV4T7ldai2Qxq+dvxPzTs2iEBDoI9lnuFZMjPFEPxJDeorVjRdDzPeCyMXKIklCd EA4YBXc5zwap87uWJP9YdXq7h7A9wYHMOeeHVpWPlLQnHabGP0dihoAqHkTk6BE8IW uTMJzyrvryEUgSwSmWqLc/pUFQQmISKB2XKJOVOytcUruZcP2IaB3YCr2t0J7PHVYW T1Zsm95GTon/38o4PIuW0rszLUd3CBhugkvZjqMaTiRGGZp3imw3aiu4MSqwWgl8yN lfNSpP512uq9cjCyuJzklaSd5+epApiA23pLTeF6EsIrRRuJuqJmOAI60VMcUFYggy VhZOzlkWTjC0Q== Received: from johan by xi.lan with local (Exim 4.94.2) (envelope-from ) id 1mpRpY-00080p-UQ; Tue, 23 Nov 2021 10:11:13 +0100 From: Johan Hovold To: Johan Hovold Cc: linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, Anton Lundin , stable@vger.kernel.org Subject: [PATCH] USB: serial: pl2303: fix GC type detection Date: Tue, 23 Nov 2021 10:10:17 +0100 Message-Id: <20211123091017.30708-1-johan@kernel.org> X-Mailer: git-send-email 2.32.0 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org At least some PL2303GC have a bcdDevice of 0x105 instead of 0x100 as the datasheet claims. Add it to the list of known release numbers for the HXN (G) type. Note the chip type could only be determined indirectly based on its package being of QFP type, which appears to only be available for PL2303GC. Fixes: 894758d0571d ("USB: serial: pl2303: tighten type HXN (G) detection") Reported-by: Anton Lundin Link: https://lore.kernel.org/r/20211123071613.GZ108031@montezuma.acc.umu.se Cc: stable@vger.kernel.org # 5.13 Signed-off-by: Johan Hovold --- drivers/usb/serial/pl2303.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c index f45ca7ddf78e..a70fd86f735c 100644 --- a/drivers/usb/serial/pl2303.c +++ b/drivers/usb/serial/pl2303.c @@ -432,6 +432,7 @@ static int pl2303_detect_type(struct usb_serial *serial) case 0x200: switch (bcdDevice) { case 0x100: + case 0x105: case 0x305: case 0x405: /*