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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>
This commit is contained in:
Aaro Koskinen 2013-01-20 02:32:58 +02:00 committed by Wolfram Sang
parent 43a2bd42d0
commit 2c5de558cd
1 changed files with 1 additions and 1 deletions
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2
drivers/i2c/busses/i2c-omap.c
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@ -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;