Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752367AbcDOVQw (ORCPT ); Fri, 15 Apr 2016 17:16:52 -0400 Received: from pygmy.kinoho.net ([134.0.27.24]:50300 "EHLO pygmy.kinoho.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751752AbcDOVOe (ORCPT ); Fri, 15 Apr 2016 17:14:34 -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 v4 07/13] USB: ch341: add debug output for chip version Date: Fri, 15 Apr 2016 23:14:10 +0200 Message-Id: <1460754856-27908-8-git-send-email-greg@chown.ath.cx> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1460754856-27908-1-git-send-email-greg@chown.ath.cx> References: <1460754856-27908-1-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 2fbec4a..e475677 100644 --- a/drivers/usb/serial/ch341.c +++ b/drivers/usb/serial/ch341.c @@ -209,6 +209,7 @@ 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