Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753338AbcDBRRf (ORCPT ); Sat, 2 Apr 2016 13:17:35 -0400 Received: from pygmy.kinoho.net ([134.0.27.24]:38054 "EHLO pygmy.kinoho.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751340AbcDBRRc (ORCPT ); Sat, 2 Apr 2016 13:17:32 -0400 From: Grigori Goronzy To: Johan Hovold Cc: Greg Kroah-Hartman , linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, Grigori Goronzy Subject: [PATCH v2 08/14] USB: ch341: add debug output for chip version Date: Sat, 2 Apr 2016 19:07:17 +0200 Message-Id: <1459616843-23829-9-git-send-email-greg@chown.ath.cx> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1459616843-23829-1-git-send-email-greg@chown.ath.cx> References: <1459616843-23829-1-git-send-email-greg@chown.ath.cx> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 725 Lines: 22 There are at least two hardware revisions, this may be helpful in case compatibility issues need to be debugged. Signed-off-by: Grigori Goronzy --- drivers/usb/serial/ch341.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/usb/serial/ch341.c b/drivers/usb/serial/ch341.c index 4d66f0f..58309d1 100644 --- a/drivers/usb/serial/ch341.c +++ b/drivers/usb/serial/ch341.c @@ -211,6 +211,7 @@ static int ch341_configure(struct usb_device *dev, struct ch341_private *priv) r = ch341_control_in(dev, CH341_VERSION, 0, 0, buffer, size); if (r < 0) goto out; + dev_dbg(&dev->dev, "chip version: %d\n", buffer[0]); r = ch341_control_out(dev, CH341_SERIAL_INIT, 0, 0); if (r < 0) -- 1.9.1