From 444b0111f3bc8f3b2bc83dc15f85123034a79bc2 Mon Sep 17 00:00:00 2001 From: Bartosz Golaszewski Date: Tue, 22 Oct 2019 10:43:15 +0200 Subject: misc: sram: use devm_platform_ioremap_resource_wc() Use the new devm_platform_ioremap_resource_wc() helper instead of devm_ioremap_wc() combinded with a call to platform_get_resource(). Also use devm_platform_ioremap_resource() where applicable. Signed-off-by: Bartosz Golaszewski Reviewed-by: Arnd Bergmann Link: https://lore.kernel.org/r/20191022084318.22256-6-brgl@bgdev.pl Signed-off-by: Greg Kroah-Hartman --- drivers/misc/sram.c | 28 ++++++++-------------------- 1 file changed, 8 insertions(+), 20 deletions(-) (limited to 'drivers/misc') diff --git a/drivers/misc/sram.c b/drivers/misc/sram.c index f30448bf3a63..6c1a23cb3e8c 100644 --- a/drivers/misc/sram.c +++ b/drivers/misc/sram.c @@ -340,8 +340,6 @@ static const struct of_device_id sram_dt_ids[] = { static int sram_probe(struct platform_device *pdev) { struct sram_dev *sram; - struct resource *res; - size_t size; int ret; int (*init_func)(void); @@ -351,25 +349,14 @@ static int sram_probe(struct platform_device *pdev) 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); @@ -382,7 +369,8 @@ static int sram_probe(struct platform_device *pdev) 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; -- cgit