i2c: omap: simplify IRQ exit path
authorFelipe Balbi <balbi@ti.com>
Wed, 12 Sep 2012 10:58:09 +0000 (16:28 +0530)
committerWolfram Sang <w.sang@pengutronix.de>
Wed, 12 Sep 2012 13:03:26 +0000 (15:03 +0200)
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>
drivers/i2c/busses/i2c-omap.c

index 96fd528e888ab3fa55f34f4b9c82f91e2373cb18..4af123fab63c1fdbc4f03da4db7402568e0150fd 100644 (file)
@@ -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;
 }