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

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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

2
drivers/i2c/busses/i2c-omap.c
View file

@ -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;