Use resource_size rather than a verbose computation on
the end and start fields.

The semantic patch that makes these changes is as follows:
(http://coccinelle.lip6.fr/)

<smpl>
@@ struct resource ptr; @@
- (ptr.end - ptr.start + 1)
+ resource_size(&ptr)
</smpl>

Signed-off-by: Julia Lawall <julia.law...@inria.fr>

---
 drivers/video/fbdev/s1d13xxxfb.c |   16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/drivers/video/fbdev/s1d13xxxfb.c b/drivers/video/fbdev/s1d13xxxfb.c
index 8048499e398d..eaea8c373753 100644
--- a/drivers/video/fbdev/s1d13xxxfb.c
+++ b/drivers/video/fbdev/s1d13xxxfb.c
@@ -746,9 +746,9 @@ s1d13xxxfb_remove(struct platform_device *pdev)
        }
 
        release_mem_region(pdev->resource[0].start,
-                       pdev->resource[0].end - pdev->resource[0].start +1);
+                          resource_size(&pdev->resource[0]));
        release_mem_region(pdev->resource[1].start,
-                       pdev->resource[1].end - pdev->resource[1].start +1);
+                          resource_size(&pdev->resource[1]));
        return 0;
 }
 
@@ -788,14 +788,14 @@ static int s1d13xxxfb_probe(struct platform_device *pdev)
        }
 
        if (!request_mem_region(pdev->resource[0].start,
-               pdev->resource[0].end - pdev->resource[0].start +1, "s1d13xxxfb 
mem")) {
+               resource_size(&pdev->resource[0]), "s1d13xxxfb mem")) {
                dev_dbg(&pdev->dev, "request_mem_region failed\n");
                ret = -EBUSY;
                goto bail;
        }
 
        if (!request_mem_region(pdev->resource[1].start,
-               pdev->resource[1].end - pdev->resource[1].start +1, "s1d13xxxfb 
regs")) {
+               resource_size(&pdev->resource[1]), "s1d13xxxfb regs")) {
                dev_dbg(&pdev->dev, "request_mem_region failed\n");
                ret = -EBUSY;
                goto bail;
@@ -810,7 +810,7 @@ static int s1d13xxxfb_probe(struct platform_device *pdev)
        platform_set_drvdata(pdev, info);
        default_par = info->par;
        default_par->regs = ioremap(pdev->resource[1].start,
-                       pdev->resource[1].end - pdev->resource[1].start +1);
+                                   resource_size(&pdev->resource[1]));
        if (!default_par->regs) {
                printk(KERN_ERR PFX "unable to map registers\n");
                ret = -ENOMEM;
@@ -819,7 +819,7 @@ static int s1d13xxxfb_probe(struct platform_device *pdev)
        info->pseudo_palette = default_par->pseudo_palette;
 
        info->screen_base = ioremap(pdev->resource[0].start,
-                       pdev->resource[0].end - pdev->resource[0].start +1);
+                                   resource_size(&pdev->resource[0]));
 
        if (!info->screen_base) {
                printk(KERN_ERR PFX "unable to map framebuffer\n");
@@ -857,9 +857,9 @@ static int s1d13xxxfb_probe(struct platform_device *pdev)
 
        info->fix = s1d13xxxfb_fix;
        info->fix.mmio_start = pdev->resource[1].start;
-       info->fix.mmio_len = pdev->resource[1].end - pdev->resource[1].start + 
1;
+       info->fix.mmio_len = resource_size(&pdev->resource[1]);
        info->fix.smem_start = pdev->resource[0].start;
-       info->fix.smem_len = pdev->resource[0].end - pdev->resource[0].start + 
1;
+       info->fix.smem_len = resource_size(&pdev->resource[0]);
 
        printk(KERN_INFO PFX "regs mapped at 0x%p, fb %d KiB mapped at 0x%p\n",
               default_par->regs, info->fix.smem_len / 1024, info->screen_base);

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