mtd: omap2: Use devm_ioremap_resource()
Use devm_ioremap_resource() in order to make the code simpler,
and remove redundant return value check of platform_get_resource()
because the value is checked by devm_ioremap_resource(). Also,
'unsigned long mem_size' is removed from 'struct omap_nand_info',
because the 'mem_size' variable is not necessary anymore.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
diff --git a/drivers/mtd/nand/omap2.c b/drivers/mtd/nand/omap2.c
index 6f9b339..1ff49b8 100644
--- a/drivers/mtd/nand/omap2.c
+++ b/drivers/mtd/nand/omap2.c
@@ -154,7 +154,6 @@
int gpmc_cs;
unsigned long phys_base;
- unsigned long mem_size;
enum omap_ecc ecc_opt;
struct completion comp;
struct dma_chan *dma;
@@ -1607,27 +1606,11 @@
nand_chip->options |= NAND_SKIP_BBTSCAN;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (res == NULL) {
- err = -EINVAL;
- dev_err(&pdev->dev, "error getting memory resource\n");
- goto return_error;
- }
+ nand_chip->IO_ADDR_R = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(nand_chip->IO_ADDR_R))
+ return PTR_ERR(nand_chip->IO_ADDR_R);
info->phys_base = res->start;
- info->mem_size = resource_size(res);
-
- if (!devm_request_mem_region(&pdev->dev, info->phys_base,
- info->mem_size, pdev->dev.driver->name)) {
- err = -EBUSY;
- goto return_error;
- }
-
- nand_chip->IO_ADDR_R = devm_ioremap(&pdev->dev, info->phys_base,
- info->mem_size);
- if (!nand_chip->IO_ADDR_R) {
- err = -ENOMEM;
- goto return_error;
- }
nand_chip->controller = &info->controller;