linux-kernel - [PATCH 3.4 052/214] usb: gadget: at91-udc: fix irq and iomem resource retrieval

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Message-Id: <20140605041646.444869875@linuxfoundation.org>
Date:	Wed,  4 Jun 2014 21:16:55 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org,
	Jean-Jacques Hiblot <jjhiblot@...phandler.com>,
	Boris BREZILLON <b.brezillon@...rkiz.com>,
	Nicolas Ferre <nicolas.ferre@...el.com>,
	Felipe Balbi <balbi@...com>
Subject: [PATCH 3.4 052/214] usb: gadget: at91-udc: fix irq and iomem resource retrieval

3.4-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Jean-Jacques Hiblot <jjhiblot@...phandler.com>

commit 886c7c426d465732ec9d1b2bbdda5642fc2e7e05 upstream.

When using dt resources retrieval (interrupts and reg properties) there is
no predefined order for these resources in the platform dev resource
table. Also don't expect the number of resource to be always 2.

Signed-off-by: Jean-Jacques Hiblot <jjhiblot@...phandler.com>
Acked-by: Boris BREZILLON <b.brezillon@...rkiz.com>
Acked-by: Nicolas Ferre <nicolas.ferre@...el.com>
Signed-off-by: Felipe Balbi <balbi@...com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/usb/gadget/at91_udc.c |   10 ----------
 1 file changed, 10 deletions(-)

--- a/drivers/usb/gadget/at91_udc.c
+++ b/drivers/usb/gadget/at91_udc.c
@@ -1741,16 +1741,6 @@ static int __devinit at91udc_probe(struc
 		return -ENODEV;
 	}
 
-	if (pdev->num_resources != 2) {
-		DBG("invalid num_resources\n");
-		return -ENODEV;
-	}
-	if ((pdev->resource[0].flags != IORESOURCE_MEM)
-			|| (pdev->resource[1].flags != IORESOURCE_IRQ)) {
-		DBG("invalid resource type\n");
-		return -ENODEV;
-	}
-
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	if (!res)
 		return -ENXIO;


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