[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>

diff --git a/drivers/video/pxafb.c b/drivers/video/pxafb.c
index 6506117..0a30100 100644 (file)
--- 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);