[PATCHv5 15/18] i2c: omap: simplify IRQ exit path
Shubhrajyoti D
shubhrajyoti at ti.com
Thu Jul 19 10:38:05 EDT 2012
From: Felipe Balbi <balbi at ti.com>
instead of having multiple return points, use
a goto statement to make that clearer.
Signed-off-by: Felipe Balbi <balbi at ti.com>
Signed-off-by: Shubhrajyoti D <shubhrajyoti at ti.com>
---
drivers/i2c/busses/i2c-omap.c | 20 ++++++++------------
1 files changed, 8 insertions(+), 12 deletions(-)
diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c
index 6847a98..3f50021 100644
--- a/drivers/i2c/busses/i2c-omap.c
+++ b/drivers/i2c/busses/i2c-omap.c
@@ -850,24 +850,21 @@ 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;
}
/*
@@ -880,8 +877,7 @@ 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) {
@@ -946,19 +942,19 @@ 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;
}
--
1.7.5.4
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