linux-kernel - [PATCH 3.11 011/138] usb: gadget: at91-udc: fix irq and iomem resource retrieval

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Date:	Tue,  3 Jun 2014 12:37:37 +0100
From:	Luis Henriques <luis.henriques@...onical.com>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	kernel-team@...ts.ubuntu.com
Cc:	Jean-Jacques Hiblot <jjhiblot@...phandler.com>,
	Felipe Balbi <balbi@...com>,
	Luis Henriques <luis.henriques@...onical.com>
Subject: [PATCH 3.11 011/138] usb: gadget: at91-udc: fix irq and iomem resource retrieval

3.11.10.11 -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: Luis Henriques <luis.henriques@...onical.com>
---
 drivers/usb/gadget/at91_udc.c | 10 ----------
 1 file changed, 10 deletions(-)

diff --git a/drivers/usb/gadget/at91_udc.c b/drivers/usb/gadget/at91_udc.c
index d9a6add0c852..beed50e47121 100644
--- a/drivers/usb/gadget/at91_udc.c
+++ b/drivers/usb/gadget/at91_udc.c
@@ -1703,16 +1703,6 @@ static int at91udc_probe(struct platform_device *pdev)
 		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;
-- 
1.9.1

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