mmc: davinci: remove incorrect NO_IRQ use

platform_get_irq() returns an error value on failure, not NO_IRQ,
so the error handling here could never work.

This changes the code to propagate the error value instead.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

diff --git a/drivers/mmc/host/davinci_mmc.c b/drivers/mmc/host/davinci_mmc.c
index a56373c..8fa478c 100644 (file)
--- a/drivers/mmc/host/davinci_mmc.c
+++ b/drivers/mmc/host/davinci_mmc.c
@@ -1216,9 +1216,11 @@ static int __init davinci_mmcsd_probe(struct platform_device *pdev)
        }
 
        r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-       irq = platform_get_irq(pdev, 0);
-       if (!r || irq == NO_IRQ)
+       if (!r)
                return -ENODEV;
+       irq = platform_get_irq(pdev, 0);
+       if (irq < 0)
+               return irq;
 
        mem_size = resource_size(r);
        mem = devm_request_mem_region(&pdev->dev, r->start, mem_size,