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i2c-omap: ACK pending [R/X]DR and [R/X]RDY interrupts 

ACK any pending read/write interrupts before exiting the ISR either after
completing the operation [ARDY interrupt] or in case of an error
[NACK|AL interrupt]

Signed-off-by: Moiz Sonasath <m-sonasath@ti.com>
Signed-off-by: Vikram Pandita <vikram.pandita@ti.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
This commit is contained in:
Moiz Sonasath 2009-08-20 11:21:15 -05:00 committed by Ben Dooks
parent dcc4ec2694
commit dd11976aea
1 changed files with 3 additions and 0 deletions
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3
drivers/i2c/busses/i2c-omap.c
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@ -694,6 +694,9 @@ complete:
}
if (stat & (OMAP_I2C_STAT_ARDY | OMAP_I2C_STAT_NACK |
OMAP_I2C_STAT_AL)) {
omap_i2c_ack_stat(dev, stat &
(OMAP_I2C_STAT_RRDY | OMAP_I2C_STAT_RDR |
OMAP_I2C_STAT_XRDY | OMAP_I2C_STAT_XDR));
omap_i2c_complete_cmd(dev, err);
return IRQ_HANDLED;
}