[ARM] pxafb: use resource_size() function

Cleanup only, no function change.

Signed-off-by: Daniel Mack <daniel@caiaq.de>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>

1 files changed, 4 insertions, 4 deletions

diff --git a/drivers/video/pxafb.c b/drivers/video/pxafb.c
index 6506117c134b..0a301003d928 100644
--- a/drivers/video/pxafb.c
+++ b/drivers/video/pxafb.c
@@ -2091,14 +2091,14 @@ static int __devinit pxafb_probe(struct platform_device *dev)
                 goto failed_fbi;
         }
 
-        r = request_mem_region(r->start, r->end - r->start + 1, dev->name);
+        r = request_mem_region(r->start, resource_size(r), dev->name);
         if (r == NULL) {
                 dev_err(&dev->dev, "failed to request I/O memory\n");
                 ret = -EBUSY;
                 goto failed_fbi;
         }
 
-        fbi->mmio_base = ioremap(r->start, r->end - r->start + 1);
+        fbi->mmio_base = ioremap(r->start, resource_size(r));
         if (fbi->mmio_base == NULL) {
                 dev_err(&dev->dev, "failed to map I/O memory\n");
                 ret = -EBUSY;
@@ -2197,7 +2197,7 @@ failed_free_dma:
 failed_free_io:
         iounmap(fbi->mmio_base);
 failed_free_res:
-        release_mem_region(r->start, r->end - r->start + 1);
+        release_mem_region(r->start, resource_size(r));
 failed_fbi:
         clk_put(fbi->clk);
         platform_set_drvdata(dev, NULL);
@@ -2237,7 +2237,7 @@ static int __devexit pxafb_remove(struct platform_device *dev)
         iounmap(fbi->mmio_base);
 
         r = platform_get_resource(dev, IORESOURCE_MEM, 0);
-        release_mem_region(r->start, r->end - r->start + 1);
+        release_mem_region(r->start, resource_size(r));
 
         clk_put(fbi->clk);
         kfree(fbi);