On Mon, Feb 16, 2015 at 11:38 AM, Lee Jones [off-list ref] wrote:

quoted

+static int mx25_tsadc_setup_irq(struct platform_device *pdev,
+                             struct mx25_tsadc *tsadc)
+{
+     struct device *dev = &pdev->dev;
+     struct device_node *np = dev->of_node;
+     int irq;
+
+     irq = platform_get_irq(pdev, 0);
+     if (irq < 0) {

What if 0 is returned?

Then  imx25.dtsi would be passing irq=0 for the ADC, which would be
totally wrong.
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