misc: sram: use devm_platform_ioremap_resource_wc()

static int sram_probe(struct platform_device *pdev)

{

	struct sram_dev *sram;

	struct resource *res;

	size_t size;

	int ret;

	int (*init_func)(void);

	sram->dev = &pdev->dev;

	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);

	if (!res) {

		dev_err(sram->dev, "found no memory resource\n");

		return -EINVAL;

	}

	size = resource_size(res);

	if (!devm_request_mem_region(sram->dev, res->start, size, pdev->name)) {

		dev_err(sram->dev, "could not request region for resource\n");

		return -EBUSY;

	}

	if (of_property_read_bool(pdev->dev.of_node, "no-memory-wc"))

		sram->virt_base = devm_ioremap(sram->dev, res->start, size);

		sram->virt_base = devm_platform_ioremap_resource(pdev, 0);

	else

		sram->virt_base = devm_ioremap_wc(sram->dev, res->start, size);

	if (!sram->virt_base)

		return -ENOMEM;

		sram->virt_base = devm_platform_ioremap_resource_wc(pdev, 0);

	if (IS_ERR(sram->virt_base)) {

		dev_err(&pdev->dev, "could not map SRAM registers\n");

		return PTR_ERR(sram->virt_base);

	}

	sram->pool = devm_gen_pool_create(sram->dev, ilog2(SRAM_GRANULARITY),

					  NUMA_NO_NODE, NULL);

	else

		clk_prepare_enable(sram->clk);

	ret = sram_reserve_regions(sram, res);

	ret = sram_reserve_regions(sram,

			platform_get_resource(pdev, IORESOURCE_MEM, 0));

	if (ret)

		goto err_disable_clk;