From mboxrd@z Thu Jan 1 00:00:00 1970 From: Javier Martinez Canillas Subject: [RESEND PATCH 2/7] i2c: i2c-cros-ec-tunnel: Set retries to 3 Date: Wed, 20 Aug 2014 14:13:27 +0200 Message-ID: <1408536812-7836-3-git-send-email-javier.martinez@collabora.co.uk> References: <1408536812-7836-1-git-send-email-javier.martinez@collabora.co.uk> Return-path: In-Reply-To: <1408536812-7836-1-git-send-email-javier.martinez-ZGY8ohtN/8pPYcu2f3hruQ@public.gmane.org> Sender: linux-i2c-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Lee Jones Cc: Wolfram Sang , Dmitry Torokhov , Doug Anderson , Simon Glass , Bill Richardson , Andrew Bresticker , Derek Basehore , Todd Broch , Olof Johansson , =?UTF-8?q?Andreas=20F=C3=A4rber?= , linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-input-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-samsung-soc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Javier Martinez Canillas List-Id: linux-i2c@vger.kernel.org From: Derek Basehore Since the i2c bus can get wedged on the EC sometimes, set the number of retries to 3. Since we un-wedge the bus immediately after the wedge happens, this is the correct fix since only one transfer will fail. Signed-off-by: Derek Basehore Reviewed-by: Doug Anderson Acked-by: Wolfram Sang Signed-off-by: Javier Martinez Canillas --- drivers/i2c/busses/i2c-cros-ec-tunnel.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/i2c/busses/i2c-cros-ec-tunnel.c b/drivers/i2c/busses/i2c-cros-ec-tunnel.c index 05e033c..a4411da 100644 --- a/drivers/i2c/busses/i2c-cros-ec-tunnel.c +++ b/drivers/i2c/busses/i2c-cros-ec-tunnel.c @@ -16,6 +16,8 @@ #include #include +#define I2C_MAX_RETRIES 3 + /** * struct ec_i2c_device - Driver data for I2C tunnel * @@ -290,6 +292,7 @@ static int ec_i2c_probe(struct platform_device *pdev) bus->adap.algo_data = bus; bus->adap.dev.parent = &pdev->dev; bus->adap.dev.of_node = np; + bus->adap.retries = I2C_MAX_RETRIES; err = i2c_add_adapter(&bus->adap); if (err) { -- 2.0.1