linux-kernel - [PATCH] usb: dwc3: Keeping 'resource' related code together

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Date:	Tue,  3 Jun 2014 16:09:37 +0530
From:	Vivek Gautam <gautam.vivek@...sung.com>
To:	linux-usb@...r.kernel.org, linux-samsung-soc@...r.kernel.org,
	balbi@...com
Cc:	linux-kernel@...r.kernel.org, linux-omap@...r.kernel.org,
	gregkh@...uxfoundation.org, kishon@...com,
	Vivek Gautam <gautam.vivek@...sung.com>
Subject: [PATCH] usb: dwc3: Keeping 'resource' related code together

Putting together the code related to getting the 'IORESOURCE_MEM'
and assigning the same to dwc->xhci_resources, for increasing
the readability.

Signed-off-by: Vivek Gautam <gautam.vivek@...sung.com>
---

Based on 'next' branch of Felipe's usb tree.
Also cleanly applies to 'usb-next' branch of Greg's usb tree.

 drivers/usb/dwc3/core.c |   38 +++++++++++++++++++-------------------
 1 file changed, 19 insertions(+), 19 deletions(-)

diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index 3f59c12..4ca925d 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -656,6 +656,25 @@ static int dwc3_probe(struct platform_device *pdev)
 		return -ENODEV;
 	}
 
+	dwc->xhci_resources[0].start = res->start;
+	dwc->xhci_resources[0].end = dwc->xhci_resources[0].start +
+					DWC3_XHCI_REGS_END;
+	dwc->xhci_resources[0].flags = res->flags;
+	dwc->xhci_resources[0].name = res->name;
+
+	res->start += DWC3_GLOBALS_REGS_START;
+
+	/*
+	 * Request memory region but exclude xHCI regs,
+	 * since it will be requested by the xhci-plat driver.
+	 */
+	regs = devm_ioremap_resource(dev, res);
+	if (IS_ERR(regs))
+		return PTR_ERR(regs);
+
+	dwc->regs	= regs;
+	dwc->regs_size	= resource_size(res);
+
 	if (node) {
 		dwc->maximum_speed = of_usb_get_maximum_speed(node);
 
@@ -676,28 +695,9 @@ static int dwc3_probe(struct platform_device *pdev)
 	if (ret)
 		return ret;
 
-	dwc->xhci_resources[0].start = res->start;
-	dwc->xhci_resources[0].end = dwc->xhci_resources[0].start +
-					DWC3_XHCI_REGS_END;
-	dwc->xhci_resources[0].flags = res->flags;
-	dwc->xhci_resources[0].name = res->name;
-
-	res->start += DWC3_GLOBALS_REGS_START;
-
-	/*
-	 * Request memory region but exclude xHCI regs,
-	 * since it will be requested by the xhci-plat driver.
-	 */
-	regs = devm_ioremap_resource(dev, res);
-	if (IS_ERR(regs))
-		return PTR_ERR(regs);
-
 	spin_lock_init(&dwc->lock);
 	platform_set_drvdata(pdev, dwc);
 
-	dwc->regs	= regs;
-	dwc->regs_size	= resource_size(res);
-
 	dev->dma_mask	= dev->parent->dma_mask;
 	dev->dma_parms	= dev->parent->dma_parms;
 	dma_set_coherent_mask(dev, dev->parent->coherent_dma_mask);
-- 
1.7.10.4

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