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authorGrygorii Strashko <grygorii.strashko@ti.com>2014-12-01 17:34:03 +0200
committerWolfram Sang <wsa@the-dreams.de>2014-12-04 19:15:08 +0100
commit2c6ef04ffaf7eaad1e2d1d196591fe361f9c9872 (patch)
tree5b1a1a24225d62a347d8abfe087510baa15dff64 /drivers/i2c
parent5f835cef770fc71263ace29198a9e6743033a705 (diff)
downloadlinux-2c6ef04ffaf7eaad1e2d1d196591fe361f9c9872.tar.bz2
i2c: davinci: switch to use platform_get_irq
Switch Davinci I2C driver to use platform_get_irq(), because it is not recommened to use platform_get_resource(pdev, IORESOURCE_IRQ, ..) for requesting IRQ resources any more, as they can be not ready yet in case of DT-boot. Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Diffstat (limited to 'drivers/i2c')
-rw-r--r--drivers/i2c/busses/i2c-davinci.c20
1 files changed, 12 insertions, 8 deletions
diff --git a/drivers/i2c/busses/i2c-davinci.c b/drivers/i2c/busses/i2c-davinci.c
index 91c43decf327..228766bb0fda 100644
--- a/drivers/i2c/busses/i2c-davinci.c
+++ b/drivers/i2c/busses/i2c-davinci.c
@@ -634,13 +634,17 @@ static int davinci_i2c_probe(struct platform_device *pdev)
{
struct davinci_i2c_dev *dev;
struct i2c_adapter *adap;
- struct resource *mem, *irq;
- int r;
-
- irq = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
- if (!irq) {
- dev_err(&pdev->dev, "no irq resource?\n");
- return -ENODEV;
+ struct resource *mem;
+ int r, irq;
+
+ irq = platform_get_irq(pdev, 0);
+ if (irq <= 0) {
+ if (!irq)
+ irq = -ENXIO;
+ if (irq != -EPROBE_DEFER)
+ dev_err(&pdev->dev,
+ "can't get irq resource ret=%d\n", irq);
+ return irq;
}
dev = devm_kzalloc(&pdev->dev, sizeof(struct davinci_i2c_dev),
@@ -655,7 +659,7 @@ static int davinci_i2c_probe(struct platform_device *pdev)
init_completion(&dev->xfr_complete);
#endif
dev->dev = &pdev->dev;
- dev->irq = irq->start;
+ dev->irq = irq;
dev->pdata = dev_get_platdata(&pdev->dev);
platform_set_drvdata(pdev, dev);