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>

1 files changed, 4 insertions, 2 deletions

diff --git a/drivers/mmc/host/davinci_mmc.c b/drivers/mmc/host/davinci_mmc.c
index a56373c75983..8fa478c3b0db 100644
--- 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,