[PATCH RFC 08/13] mmc: s3mci: fix deferred probing

[Sergey Shtylyov]

The driver overrides the error codes and IRQ0 returned by platform_get_irq()
to -EINVAL, so if it returns -EPROBE_DEFER, the driver will fail the probe
permanently instead of the deferred probing. Switch to propagating the error
codes upstream. IRQ0 is no longer returned by platform_get_irq(), so we now
can safely ignore it...

Fixes: e584e0750213 ("mmc: host: s3cmci: allow probing from device tree")
Signed-off-by: Sergey Shtylyov <s.shtylyov at omp.ru>
---
 drivers/mmc/host/s3cmci.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/mmc/host/s3cmci.c b/drivers/mmc/host/s3cmci.c
index 8d5929a32d34..719a0b9a2c9e 100644
--- a/drivers/mmc/host/s3cmci.c
+++ b/drivers/mmc/host/s3cmci.c
@@ -1573,8 +1573,8 @@ static int s3cmci_probe(struct platform_device *pdev)
 	}
 
 	host->irq = platform_get_irq(pdev, 0);
-	if (host->irq <= 0) {
-		ret = -EINVAL;
+	if (host->irq < 0) {
+		ret = host->irq;
 		goto probe_iounmap;
 	}
 
-- 
2.26.3