[PATCHv7 15/24] i2c: omap: simplify IRQ exit path

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



From: Felipe Balbi <balbi@xxxxxx>

instead of having multiple return points, use
a goto statement to make that clearer.

Signed-off-by: Felipe Balbi <balbi@xxxxxx>
Signed-off-by: Shubhrajyoti D <shubhrajyoti@xxxxxx>
---
 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 eb6898b..b0b1705 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;
 }
 
-- 
1.7.5.4

--
To unsubscribe from this list: send the line "unsubscribe linux-omap" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html


[Index of Archives]     [Linux Arm (vger)]     [ARM Kernel]     [ARM MSM]     [Linux Tegra]     [Linux WPAN Networking]     [Linux Wireless Networking]     [Maemo Users]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite Trails]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux