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authorFelipe Balbi <balbi@ti.com>2012-09-12 12:58:09 +0200
committerWolfram Sang <w.sang@pengutronix.de>2012-09-12 15:03:26 +0200
commit4a7ec4eda58269a507501f240955d99312fdfd5f (patch)
tree2233875f52ae819e32b6d4b44aaf0d218d0e8f7b /drivers/i2c/busses/i2c-omap.c
parenti2c: omap: always return IRQ_HANDLED (diff)
downloadlinux-4a7ec4eda58269a507501f240955d99312fdfd5f.tar.xz
linux-4a7ec4eda58269a507501f240955d99312fdfd5f.zip
i2c: omap: simplify IRQ exit path
instead of having multiple return points, use a goto statement to make that clearer. 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/busses/i2c-omap.c')
-rw-r--r--drivers/i2c/busses/i2c-omap.c20
1 files changed, 8 insertions, 12 deletions
diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c
index 96fd528e888a..4af123fab63c 100644
--- a/drivers/i2c/busses/i2c-omap.c
+++ b/drivers/i2c/busses/i2c-omap.c
@@ -853,24 +853,21 @@ omap_i2c_isr(int this_irq, void *dev_id)
dev_dbg(dev->dev, "IRQ (ISR = 0x%04x)\n", stat);
if (count++ == 100) {
dev_warn(dev->dev, "Too much work in one IRQ\n");
- omap_i2c_complete_cmd(dev, err);
- return IRQ_HANDLED;
+ goto out;
}
complete:
if (stat & OMAP_I2C_STAT_NACK) {
err |= OMAP_I2C_STAT_NACK;
omap_i2c_ack_stat(dev, OMAP_I2C_STAT_NACK);
- omap_i2c_complete_cmd(dev, err);
- return IRQ_HANDLED;
+ goto out;
}
if (stat & OMAP_I2C_STAT_AL) {
dev_err(dev->dev, "Arbitration lost\n");
err |= OMAP_I2C_STAT_AL;
omap_i2c_ack_stat(dev, OMAP_I2C_STAT_AL);
- omap_i2c_complete_cmd(dev, err);
- return IRQ_HANDLED;
+ goto out;
}
/*
@@ -883,8 +880,7 @@ complete:
OMAP_I2C_STAT_XRDY |
OMAP_I2C_STAT_XDR |
OMAP_I2C_STAT_ARDY));
- omap_i2c_complete_cmd(dev, err);
- return IRQ_HANDLED;
+ goto out;
}
if (stat & OMAP_I2C_STAT_RDR) {
@@ -949,19 +945,19 @@ complete:
dev_err(dev->dev, "Receive overrun\n");
err |= OMAP_I2C_STAT_ROVR;
omap_i2c_ack_stat(dev, OMAP_I2C_STAT_ROVR);
- omap_i2c_complete_cmd(dev, err);
- return IRQ_HANDLED;
+ goto out;
}
if (stat & OMAP_I2C_STAT_XUDF) {
dev_err(dev->dev, "Transmit underflow\n");
err |= OMAP_I2C_STAT_XUDF;
omap_i2c_ack_stat(dev, OMAP_I2C_STAT_XUDF);
- omap_i2c_complete_cmd(dev, err);
- return IRQ_HANDLED;
+ goto out;
}
} while (stat);
+out:
+ omap_i2c_complete_cmd(dev, err);
return IRQ_HANDLED;
}