From: Grigori Goronzy <greg@chown.ath.cx>
To: Johan Hovold <johan@kernel.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org,
Grigori Goronzy <greg@chown.ath.cx>
Subject: [PATCH v2 08/14] USB: ch341: add debug output for chip version
Date: Sat, 2 Apr 2016 19:07:17 +0200 [thread overview]
Message-ID: <1459616843-23829-9-git-send-email-greg@chown.ath.cx> (raw)
In-Reply-To: <1459616843-23829-1-git-send-email-greg@chown.ath.cx>
There are at least two hardware revisions, this may be helpful in
case compatibility issues need to be debugged.
Signed-off-by: Grigori Goronzy <greg@chown.ath.cx>
---
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
next prev parent reply other threads:[~2016-04-02 17:17 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-02 17:07 Major improvements to the ch341 driver Grigori Goronzy
2016-04-02 17:07 ` [PATCH v2 01/14] USB: ch341: improve documentation Grigori Goronzy
2016-04-06 11:58 ` One Thousand Gnomes
2016-04-02 17:07 ` [PATCH v2 02/14] USB: ch341: fix error handling on resume Grigori Goronzy
2016-04-02 17:07 ` [PATCH v2 03/14] USB: ch341: add LCR register definitions Grigori Goronzy
2016-04-02 17:07 ` [PATCH v2 04/14] USB: ch341: add definitions for modem control Grigori Goronzy
2016-04-02 17:07 ` [PATCH v2 05/14] USB: ch341: fix USB buffer allocations Grigori Goronzy
2016-04-04 7:13 ` Oliver Neukum
2016-04-02 17:07 ` [PATCH v2 06/14] USB: ch341: reinitialize chip on reconfiguration Grigori Goronzy
2016-04-10 13:24 ` Clemens Ladisch
2016-04-02 17:07 ` [PATCH v2 07/14] USB: ch341: add support for parity, frame length, stop bits Grigori Goronzy
2016-04-03 15:58 ` Karl Palsson
2016-04-06 11:59 ` One Thousand Gnomes
2016-04-02 17:07 ` Grigori Goronzy [this message]
2016-04-02 17:07 ` [PATCH v2 09/14] USB: ch341: add support for RTS/CTS flow control Grigori Goronzy
2016-04-02 17:07 ` [PATCH v2 10/14] USB: ch341: fix coding style Grigori Goronzy
2016-04-02 17:29 ` Joe Perches
2016-04-06 17:58 ` Grigori Goronzy
2016-04-06 18:10 ` Johan Hovold
2016-04-07 1:11 ` Grigori Goronzy
2016-04-02 17:07 ` [PATCH v2 11/14] USB: ch341: clean up messages Grigori Goronzy
2016-04-02 17:07 ` [PATCH v2 12/14] USB: ch341: improve B0 handling Grigori Goronzy
2016-04-02 17:07 ` [PATCH v2 13/14] USB: ch341: get rid of default configuration Grigori Goronzy
2016-04-02 17:07 ` [PATCH v2 14/14] USB: ch341: implement tx_empty callback Grigori Goronzy
2016-04-03 16:03 ` Karl Palsson
2016-04-06 18:03 ` Grigori Goronzy
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