[MTD] [NAND] pxa3xx_nand: use resource_size instead of 'r->end - r->start + 1'
Signed-off-by: Mike Rapoport <mike@compulab.co.il>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
diff --git a/drivers/mtd/nand/pxa3xx_nand.c b/drivers/mtd/nand/pxa3xx_nand.c
index cc55cbc..ffa960ba 100644
--- a/drivers/mtd/nand/pxa3xx_nand.c
+++ b/drivers/mtd/nand/pxa3xx_nand.c
@@ -1118,14 +1118,14 @@
goto fail_put_clk;
}
- r = request_mem_region(r->start, r->end - r->start + 1, pdev->name);
+ r = request_mem_region(r->start, resource_size(r), pdev->name);
if (r == NULL) {
dev_err(&pdev->dev, "failed to request memory resource\n");
ret = -EBUSY;
goto fail_put_clk;
}
- info->mmio_base = ioremap(r->start, r->end - r->start + 1);
+ info->mmio_base = ioremap(r->start, resource_size(r));
if (info->mmio_base == NULL) {
dev_err(&pdev->dev, "ioremap() failed\n");
ret = -ENODEV;
@@ -1174,7 +1174,7 @@
fail_free_io:
iounmap(info->mmio_base);
fail_free_res:
- release_mem_region(r->start, r->end - r->start + 1);
+ release_mem_region(r->start, resource_size(r));
fail_put_clk:
clk_disable(info->clk);
clk_put(info->clk);