From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: Wed, 5 Jun 2013 12:26:43 +0000 (+0300)
Subject: dw_dmac: don't check resource with devm_ioremap_resource
X-Git-Tag: v3.11-rc1~75^2~19
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=0b95961e03ecee31d6151db79cc0826e702d1e0a;p=linux.git

dw_dmac: don't check resource with devm_ioremap_resource

devm_ioremap_resource does sanity checks on the given resource. No need to
duplicate this in the driver.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
---

diff --git a/drivers/dma/dw_dmac.c b/drivers/dma/dw_dmac.c
index 724083d02b34..2b65ba614e60 100644
--- a/drivers/dma/dw_dmac.c
+++ b/drivers/dma/dw_dmac.c
@@ -1667,14 +1667,11 @@ static int dw_probe(struct platform_device *pdev)
 	int			err;
 	int			i;
 
-	io = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!io)
-		return -EINVAL;
-
 	irq = platform_get_irq(pdev, 0);
 	if (irq < 0)
 		return irq;
 
+	io = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	regs = devm_ioremap_resource(&pdev->dev, io);
 	if (IS_ERR(regs))
 		return PTR_ERR(regs);