[ARM] pxa: use resource_size() in ssp.c

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>

diff --git a/arch/arm/plat-pxa/ssp.c b/arch/arm/plat-pxa/ssp.c
index 3bf704d..52c07cc 100644 (file)
--- a/arch/arm/plat-pxa/ssp.c
+++ b/arch/arm/plat-pxa/ssp.c
@@ -115,7 +115,7 @@ static int __devinit ssp_probe(struct platform_device *pdev)
                goto err_free_clk;
        }
 
-       res = request_mem_region(res->start, res->end - res->start + 1,
+       res = request_mem_region(res->start, resource_size(res),
                        pdev->name);
        if (res == NULL) {
                dev_err(&pdev->dev, "failed to request memory resource\n");
@@ -125,7 +125,7 @@ static int __devinit ssp_probe(struct platform_device *pdev)
 
        ssp->phys_base = res->start;
 
-       ssp->mmio_base = ioremap(res->start, res->end - res->start + 1);
+       ssp->mmio_base = ioremap(res->start, resource_size(res));
        if (ssp->mmio_base == NULL) {
                dev_err(&pdev->dev, "failed to ioremap() registers\n");
                ret = -ENODEV;
@@ -156,7 +156,7 @@ static int __devinit ssp_probe(struct platform_device *pdev)
 err_free_io:
        iounmap(ssp->mmio_base);
 err_free_mem:
-       release_mem_region(res->start, res->end - res->start + 1);
+       release_mem_region(res->start, resource_size(res));
 err_free_clk:
        clk_put(ssp->clk);
 err_free:
@@ -176,7 +176,7 @@ static int __devexit ssp_remove(struct platform_device *pdev)
        iounmap(ssp->mmio_base);
 
        res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-       release_mem_region(res->start, res->end - res->start + 1);
+       release_mem_region(res->start, resource_size(res));
 
        clk_put(ssp->clk);