From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wolfram Sang Subject: [PATCH/RFT 1/6] i2c: designware: use open drain for recovery GPIO Date: Fri, 13 Jul 2018 23:09:13 +0200 Message-ID: <20180713210920.3648-2-wsa+renesas@sang-engineering.com> References: <20180713210920.3648-1-wsa+renesas@sang-engineering.com> Return-path: In-Reply-To: <20180713210920.3648-1-wsa+renesas@sang-engineering.com> Sender: linux-kernel-owner@vger.kernel.org To: linux-i2c@vger.kernel.org Cc: linux-renesas-soc@vger.kernel.org, kernel@pengutronix.de, Wolfram Sang , Jarkko Nikula , Andy Shevchenko , Mika Westerberg , linux-kernel@vger.kernel.org List-Id: linux-i2c@vger.kernel.org I2C is open drain, so set up the GPIO accordingly. Signed-off-by: Wolfram Sang --- drivers/i2c/busses/i2c-designware-master.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/i2c/busses/i2c-designware-master.c b/drivers/i2c/busses/i2c-designware-master.c index fc7c255c80af..a546db80f53e 100644 --- a/drivers/i2c/busses/i2c-designware-master.c +++ b/drivers/i2c/busses/i2c-designware-master.c @@ -665,7 +665,7 @@ static int i2c_dw_init_recovery_info(struct dw_i2c_dev *dev) struct gpio_desc *gpio; int r; - gpio = devm_gpiod_get(dev->dev, "scl", GPIOD_OUT_HIGH); + gpio = devm_gpiod_get(dev->dev, "scl", GPIOD_OUT_HIGH_OPEN_DRAIN); if (IS_ERR(gpio)) { r = PTR_ERR(gpio); if (r == -ENOENT || r == -ENOSYS) -- 2.11.0