From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wolfram Sang Subject: [PATCH/RFT 4/6] i2c: davinci: set SDA as output for recovery Date: Fri, 13 Jul 2018 23:09:16 +0200 Message-ID: <20180713210920.3648-5-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 , Sekhar Nori , Kevin Hilman , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org List-Id: linux-i2c@vger.kernel.org This allows for sending STOP when generating pulses which is much more robust because it will bring clients into a default state. Signed-off-by: Wolfram Sang --- drivers/i2c/busses/i2c-davinci.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/i2c/busses/i2c-davinci.c b/drivers/i2c/busses/i2c-davinci.c index d945a2654c2f..478acf0870aa 100644 --- a/drivers/i2c/busses/i2c-davinci.c +++ b/drivers/i2c/busses/i2c-davinci.c @@ -874,7 +874,8 @@ static int davinci_i2c_probe(struct platform_device *pdev) r = PTR_ERR(rinfo->scl_gpiod); goto err_unuse_clocks; } - rinfo->sda_gpiod = devm_gpiod_get(&pdev->dev, "sda", GPIOD_IN); + rinfo->sda_gpiod = devm_gpiod_get(&pdev->dev, "sda", + GPIOD_OUT_HIGH_OPEN_DRAIN); if (IS_ERR(rinfo->sda_gpiod)) { r = PTR_ERR(rinfo->sda_gpiod); goto err_unuse_clocks; -- 2.11.0