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authorMoiz Sonasath <m-sonasath@ti.com>2009-08-20 20:21:15 +0400
committerBen Dooks <ben-linux@fluff.org>2009-08-21 01:27:57 +0400
commitdd11976aea15bde53ce40b076dd5fa462c74f41a (patch)
tree86c7ce71b01f533092de89f9d2375f8d69afa3c5
parentdcc4ec26942d3bae2c5a82ab8346ab53b540a171 (diff)
downloadlinux-dd11976aea15bde53ce40b076dd5fa462c74f41a.tar.xz
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>
-rw-r--r--drivers/i2c/busses/i2c-omap.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c
index 94639d0aabd5..16b39f470a7c 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;
}