i2c: tegra: Use platform_get_irq()

Use common helper for retrieval of the interrupt number in order to make
code cleaner. Note that platform_get_irq() prints error message by itself.

Reviewed-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Acked-by: Thierry Reding <treding@nvidia.com>
Tested-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>

diff --git a/drivers/i2c/busses/i2c-tegra.c b/drivers/i2c/busses/i2c-tegra.c
index c2bbdf9..505b5d3 100644 (file)
--- a/drivers/i2c/busses/i2c-tegra.c
+++ b/drivers/i2c/busses/i2c-tegra.c
@@ -1684,12 +1684,9 @@ static int tegra_i2c_probe(struct platform_device *pdev)
 
        base_phys = res->start;
 
-       res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
-       if (!res) {
-               dev_err(&pdev->dev, "no irq resource\n");
-               return -EINVAL;
-       }
-       irq = res->start;
+       irq = platform_get_irq(pdev, 0);
+       if (irq < 0)
+               return irq;
 
        div_clk = devm_clk_get(&pdev->dev, "div-clk");
        if (IS_ERR(div_clk)) {