i2c-designware: Use platform_get_irq helper

Signed-off-by: Shinya Kuribayashi <shinya.kuribayashi@necel.com>
Acked-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>

1 files changed, 6 insertions, 6 deletions

diff --git a/drivers/i2c/busses/i2c-designware.c b/drivers/i2c/busses/i2c-designware.c
index eeb1915c59e3..139f5556b610 100644
--- a/drivers/i2c/busses/i2c-designware.c
+++ b/drivers/i2c/busses/i2c-designware.c
@@ -548,8 +548,8 @@ static int __devinit dw_i2c_probe(struct platform_device *pdev)
 {
         struct dw_i2c_dev *dev;
         struct i2c_adapter *adap;
-        struct resource *mem, *irq, *ioarea;
-        int r;
+        struct resource *mem, *ioarea;
+        int irq, r;
 
         /* NOTE: driver uses the static register mapping */
         mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
@@ -558,10 +558,10 @@ static int __devinit dw_i2c_probe(struct platform_device *pdev)
                 return -EINVAL;
         }
 
-        irq = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
-        if (!irq) {
+        irq = platform_get_irq(pdev, 0);
+        if (irq < 0) {
                 dev_err(&pdev->dev, "no irq resource?\n");
-                return -EINVAL;
+                return irq; /* -ENXIO */
         }
 
         ioarea = request_mem_region(mem->start, resource_size(mem),
@@ -581,7 +581,7 @@ static int __devinit dw_i2c_probe(struct platform_device *pdev)
         tasklet_init(&dev->pump_msg, dw_i2c_pump_msg, (unsigned long) dev);
         mutex_init(&dev->lock);
         dev->dev = get_device(&pdev->dev);
-        dev->irq = irq->start;
+        dev->irq = irq;
         platform_set_drvdata(pdev, dev);
 
         dev->clk = clk_get(&pdev->dev, NULL);