hsi: controllers:remove redundant code

Use devm_ioremap_resource() in order to make the code simpler,
and remove redundant return value check of platform_get_resource()
because this value is alreadytaken care by devm_ioremap_resource()

Signed-off-by: Sanjeev Sharma <sanjeev_sharma@mentor.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
This commit is contained in:
Sanjeev Sharma 2015-10-29 15:34:55 +05:30 committed by Sebastian Reichel
parent d2c85ac24e
commit 16bd5865cd

View File

@ -295,27 +295,14 @@ static int __init ssi_get_iomem(struct platform_device *pd,
const char *name, void __iomem **pbase, dma_addr_t *phy)
{
struct resource *mem;
struct resource *ioarea;
void __iomem *base;
struct hsi_controller *ssi = platform_get_drvdata(pd);
mem = platform_get_resource_byname(pd, IORESOURCE_MEM, name);
if (!mem) {
dev_err(&pd->dev, "IO memory region missing (%s)\n", name);
return -ENXIO;
}
ioarea = devm_request_mem_region(&ssi->device, mem->start,
resource_size(mem), dev_name(&pd->dev));
if (!ioarea) {
dev_err(&pd->dev, "%s IO memory region request failed\n",
mem->name);
return -ENXIO;
}
base = devm_ioremap(&ssi->device, mem->start, resource_size(mem));
if (!base) {
dev_err(&pd->dev, "%s IO remap failed\n", mem->name);
return -ENXIO;
}
base = devm_ioremap_resource(&ssi->device, mem);
if (IS_ERR(base))
return PTR_ERR(base);
*pbase = base;
if (phy)