| From fa2632f74e57bbc869c8ad37751a11b6147a3acc Mon Sep 17 00:00:00 2001 | 
 | From: Chris Packham <chris.packham@alliedtelesis.co.nz> | 
 | Date: Mon, 16 Mar 2020 20:49:07 +1300 | 
 | Subject: [PATCH] net: mvmdio: avoid error message for optional IRQ | 
 |  | 
 | Per the dt-binding the interrupt is optional so use | 
 | platform_get_irq_optional() instead of platform_get_irq(). Since | 
 | commit 7723f4c5ecdb ("driver core: platform: Add an error message to | 
 | platform_get_irq*()") platform_get_irq() produces an error message | 
 |  | 
 |   orion-mdio f1072004.mdio: IRQ index 0 not found | 
 |  | 
 | which is perfectly normal if one hasn't specified the optional property | 
 | in the device tree. | 
 |  | 
 | Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz> | 
 | Reviewed-by: Andrew Lunn <andrew@lunn.ch> | 
 | Signed-off-by: David S. Miller <davem@davemloft.net> | 
 | --- | 
 |  drivers/net/ethernet/marvell/mvmdio.c | 2 +- | 
 |  1 file changed, 1 insertion(+), 1 deletion(-) | 
 |  | 
 | --- a/drivers/net/ethernet/marvell/mvmdio.c | 
 | +++ b/drivers/net/ethernet/marvell/mvmdio.c | 
 | @@ -347,7 +347,7 @@ static int orion_mdio_probe(struct platf | 
 |  	} | 
 |   | 
 |   | 
 | -	dev->err_interrupt = platform_get_irq(pdev, 0); | 
 | +	dev->err_interrupt = platform_get_irq_optional(pdev, 0); | 
 |  	if (dev->err_interrupt > 0 && | 
 |  	    resource_size(r) < MVMDIO_ERR_INT_MASK + 4) { | 
 |  		dev_err(&pdev->dev, |