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authorFelipe Balbi <balbi@ti.com>2012-09-12 16:28:11 +0530
committerWolfram Sang <w.sang@pengutronix.de>2012-09-12 15:03:41 +0200
commitb07be0f3b9e1bed6cbd29117d7f0519d114fbd82 (patch)
treee764e956d03e759a4003ae3999ee85123aad4e51 /drivers/i2c
parentdd74548ddece4b9d68e5528287a272fa552c81d0 (diff)
downloadblackbird-obmc-linux-b07be0f3b9e1bed6cbd29117d7f0519d114fbd82.tar.gz
blackbird-obmc-linux-b07be0f3b9e1bed6cbd29117d7f0519d114fbd82.zip
i2c: omap: get rid of the "complete" label
we can ack stat and complete the command from the errata handling itself. Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Shubhrajyoti D <shubhrajyoti@ti.com> Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Diffstat (limited to 'drivers/i2c')
-rw-r--r--drivers/i2c/busses/i2c-omap.c16
1 files changed, 13 insertions, 3 deletions
diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c
index f33bc5a55074..5d4bad44d370 100644
--- a/drivers/i2c/busses/i2c-omap.c
+++ b/drivers/i2c/busses/i2c-omap.c
@@ -775,6 +775,17 @@ static int errata_omap3_i462(struct omap_i2c_dev *dev)
if (stat & (OMAP_I2C_STAT_NACK | OMAP_I2C_STAT_AL)) {
omap_i2c_ack_stat(dev, (OMAP_I2C_STAT_XRDY |
OMAP_I2C_STAT_XDR));
+ if (stat & OMAP_I2C_STAT_NACK) {
+ dev->cmd_err |= OMAP_I2C_STAT_NACK;
+ omap_i2c_ack_stat(dev, OMAP_I2C_STAT_NACK);
+ }
+
+ 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);
+ }
+
return -EIO;
}
@@ -875,7 +886,6 @@ omap_i2c_isr(int this_irq, void *dev_id)
goto out;
}
-complete:
if (stat & OMAP_I2C_STAT_NACK) {
err |= OMAP_I2C_STAT_NACK;
omap_i2c_ack_stat(dev, OMAP_I2C_STAT_NACK);
@@ -938,7 +948,7 @@ complete:
ret = omap_i2c_transmit_data(dev, num_bytes, true);
stat = omap_i2c_read_reg(dev, OMAP_I2C_STAT_REG);
if (ret < 0)
- goto complete;
+ goto out;
omap_i2c_ack_stat(dev, OMAP_I2C_STAT_XDR);
continue;
@@ -954,7 +964,7 @@ complete:
ret = omap_i2c_transmit_data(dev, num_bytes, false);
stat = omap_i2c_read_reg(dev, OMAP_I2C_STAT_REG);
if (ret < 0)
- goto complete;
+ goto out;
omap_i2c_ack_stat(dev, OMAP_I2C_STAT_XRDY);
continue;
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