pata_octeon_cf: Use resource_size function

Use resource_size function instead of explicit computation.
Patch found using coccinelle.

Signed-off-by: Alexandru Gheorghiu <gheorghiuandru@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>

diff --git a/drivers/ata/pata_octeon_cf.c b/drivers/ata/pata_octeon_cf.c
index ff2e57f3b5972521377199814a2e4f0a0aaa0ae2..e73bef3093d2be6c859c462b4f8fa50758e21b80 100644 (file)
--- a/drivers/ata/pata_octeon_cf.c
+++ b/drivers/ata/pata_octeon_cf.c
@@ -926,7 +926,7 @@ static int octeon_cf_probe(struct platform_device *pdev)
                        goto free_cf_port;
                }
                cs1 = devm_ioremap_nocache(&pdev->dev, res_cs1->start,
-                                          res_cs1->end - res_cs1->start + 1);
+                                          resource_size(res_cs1));
 
                if (!cs1)
                        goto free_cf_port;