From 2c5de558cd228e6d9ae633fb318f18942c7248f1 Mon Sep 17 00:00:00 2001 From: Aaro Koskinen Date: Sun, 20 Jan 2013 02:32:58 +0200 Subject: [PATCH] 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 Reviewed-by: Felipe Balbi Signed-off-by: Wolfram Sang --- drivers/i2c/busses/i2c-omap.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c index 20d41bfa7c19..832f16e19f44 100644 --- a/drivers/i2c/busses/i2c-omap.c +++ b/drivers/i2c/busses/i2c-omap.c @@ -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;