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net/smsc911x: Fix deferred probe for interrupt

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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>
This commit is contained in:
Tony Lindgren 2015-08-28 11:50:15 -07:00 committed by David S. Miller
parent 73e6742027
commit f892a84cc8
1 changed files with 4 additions and 1 deletions
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5
drivers/net/ethernet/smsc/smsc911x.c
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@ -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;