i2c: Use resource_size

[deliverable/linux.git] / drivers / i2c / busses / i2c-davinci.c

diff --git a/drivers/i2c/busses/i2c-davinci.c b/drivers/i2c/busses/i2c-davinci.c
index 1f3d89c3194a48c82971a46c5ecc667eec2298ff..c89687a10835538307212949317042f40042129c 100644 (file)
--- a/drivers/i2c/busses/i2c-davinci.c
+++ b/drivers/i2c/busses/i2c-davinci.c
@@ -515,7 +515,7 @@ static int davinci_i2c_probe(struct platform_device *pdev)
                return -ENODEV;
        }
 
-       ioarea = request_mem_region(mem->start, (mem->end - mem->start) + 1,
+       ioarea = request_mem_region(mem->start, resource_size(mem),
                                    pdev->name);
        if (!ioarea) {
                dev_err(&pdev->dev, "I2C region already claimed\n");
@@ -578,7 +578,7 @@ err_free_mem:
        put_device(&pdev->dev);
        kfree(dev);
 err_release_region:
-       release_mem_region(mem->start, (mem->end - mem->start) + 1);
+       release_mem_region(mem->start, resource_size(mem));
 
        return r;
 }
@@ -601,7 +601,7 @@ static int davinci_i2c_remove(struct platform_device *pdev)
        kfree(dev);
 
        mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-       release_mem_region(mem->start, (mem->end - mem->start) + 1);
+       release_mem_region(mem->start, resource_size(mem));
        return 0;
 }