ARM: pxa: ssp: Use devm_ioremap_resource instead of devm_ioremap

Using devm_ioremap_resource() API to simplify the code.

Signed-off-by Firo Yang <[email protected]>

---
According to Julia's advices:

The patch "[PATCH v2] ARM: pxa: ssp: remove unnessary free for devm_xxx" submited by Firo Yang should be discard. It was obsoleted by "[PATCH] ARM: pxa: ssp: remove unnessary free for devm_xxx"
and
"[PATCH v2] ARM: pxa: ssp: Use devm_ioremap_resource instead of devm_ioremap"

I am not sure whether it was clear. If there is any doubt, please
email me.

 arch/arm/plat-pxa/ssp.c | 20 +++-----------------
 1 file changed, 3 insertions(+), 17 deletions(-)

arch/arm/plat-pxa/ssp.c +3 -17

index ad9529c..d8f331c 100644
@@ -177,26 +177,12 @@ static int pxa_ssp_probe(struct platform_device *pdev)
 	}
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (res = NULL) {
-		dev_err(dev, "no memory resource defined\n");
-		return -ENODEV;
-	}
-
-	res = devm_request_mem_region(dev, res->start, resource_size(res),
-				      pdev->name);
-	if (res = NULL) {
-		dev_err(dev, "failed to request memory resource\n");
-		return -EBUSY;
-	}
+	ssp->mmio_base = devm_ioremap_resource(dev, res);
+	if (IS_ERR(ssp->mmio_base))
+		return PTR_ERR(ssp->mmio_base);
 
 	ssp->phys_base = res->start;
 
-	ssp->mmio_base = devm_ioremap(dev, res->start, resource_size(res));
-	if (ssp->mmio_base = NULL) {
-		dev_err(dev, "failed to ioremap() registers\n");
-		return -ENODEV;
-	}
-
 	ssp->irq = platform_get_irq(pdev, 0);
 	if (ssp->irq < 0) {
 		dev_err(dev, "no IRQ resource defined\n");