From f892a84cc890aaaba7bc42daf2e2ee86b0961884 Mon Sep 17 00:00:00 2001
From: Tony Lindgren <tony@atomide.com>
Date: Fri, 28 Aug 2015 11:50:15 -0700
Subject: [PATCH] net/smsc911x: Fix deferred probe for interrupt
The interrupt handler may not be available when smsc911x probes if the
interrupt handler is a GPIO controller for example. Let's fix that
by adding handling for -EPROBE_DEFER.
Cc: Steve Glendinning <steve.glendinning@shawell.net>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/ethernet/smsc/smsc911x.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/smsc/smsc911x.c b/drivers/net/ethernet/smsc/smsc911x.c
index 959aeeade0c97..cb9f166f907ea 100644
--- a/drivers/net/ethernet/smsc/smsc911x.c
+++ b/drivers/net/ethernet/smsc/smsc911x.c
@@ -2435,7 +2435,10 @@ static int smsc911x_drv_probe(struct platform_device *pdev)
res_size = resource_size(res);
irq = platform_get_irq(pdev, 0);
- if (irq <= 0) {
+ if (irq == -EPROBE_DEFER) {
+ retval = -EPROBE_DEFER;
+ goto out_0;
+ } else if (irq <= 0) {
pr_warn("Could not allocate irq resource\n");
retval = -ENODEV;
goto out_0;
--
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