Commit 2c5de558 authored Jan 20, 2013 by Aaro Koskinen Committed by Wolfram Sang Jan 22, 2013

i2c: omap: errata i462: fix incorrect ack for arbitration lost interrupt



The errata handling function acks wrong interrupt in case of "Arbitration
lost". Fix it.

Discovered during code review, the real impact of the bug is unknown.

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Reviewed-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>

parent 43a2bd42

drivers/i2c/busses/i2c-omap.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -803,7 +803,7 @@ static int errata_omap3_i462(struct omap_i2c_dev *dev)
		if (stat & OMAP_I2C_STAT_AL) {
		dev_err(dev->dev, "Arbitration lost\n");
		dev->cmd_err \|= OMAP_I2C_STAT_AL;
		omap_i2c_ack_stat(dev, OMAP_I2C_STAT_NACK);
		omap_i2c_ack_stat(dev, OMAP_I2C_STAT_AL);
		}

		return -EIO;