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[2/3] i2c-omap: ACK pending [R/X]DR and [R/X]RDY interrupts

Message ID 1250785276-31713-3-git-send-email-m-sonasath@ti.com (mailing list archive)
State Awaiting Upstream, archived
Headers show

Commit Message

Sonasath, Moiz Aug. 20, 2009, 4:21 p.m. UTC 
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>
---
 drivers/i2c/busses/i2c-omap.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
diff mbox

Patch

diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c
index 94639d0..16b39f4 100644
--- a/drivers/i2c/busses/i2c-omap.c
+++ b/drivers/i2c/busses/i2c-omap.c
@@ -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;
 		}