1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/video/atmel_lcdfb.c b/drivers/video/atmel_lcdfb.c
index 4484c721f0f..817ab60f753 100644
--- a/drivers/video/atmel_lcdfb.c
+++ b/drivers/video/atmel_lcdfb.c
@@ -906,7 +906,7 @@ static int __init atmel_lcdfb_probe(struct platform_device *pdev)
         if (map) {
                 /* use a pre-allocated memory buffer */
                 info->fix.smem_start = map->start;
-                info->fix.smem_len = map->end - map->start + 1;
+                info->fix.smem_len = resource_size(map);
                 if (!request_mem_region(info->fix.smem_start,
                                         info->fix.smem_len, pdev->name)) {
                         ret = -EBUSY;
@@ -932,7 +932,7 @@ static int __init atmel_lcdfb_probe(struct platform_device *pdev)
 
         /* LCDC registers */
         info->fix.mmio_start = regs->start;
-        info->fix.mmio_len = regs->end - regs->start + 1;
+        info->fix.mmio_len = resource_size(regs);
 
         if (!request_mem_region(info->fix.mmio_start,
                                 info->fix.mmio_len, pdev->name)) {