pinctrl: tegra: Convert to devm_ioremap_resource

Using the new devm_ioremap_resource() we can greatly simplify resource handling.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

1 files changed, 3 insertions, 19 deletions

diff --git a/drivers/pinctrl/pinctrl-tegra.c b/drivers/pinctrl/pinctrl-tegra.c
index 637bcd341c7d..be7e900fb298 100644
--- a/drivers/pinctrl/pinctrl-tegra.c
+++ b/drivers/pinctrl/pinctrl-tegra.c
@@ -643,25 +643,9 @@ int tegra_pinctrl_probe(struct platform_device *pdev,
 
         for (i = 0; i < pmx->nbanks; i++) {
                 res = platform_get_resource(pdev, IORESOURCE_MEM, i);
-                if (!res) {
-                        dev_err(&pdev->dev, "Missing MEM resource\n");
-                        return -ENODEV;
-                }
-
-                if (!devm_request_mem_region(&pdev->dev, res->start,
-                                            resource_size(res),
-                                            dev_name(&pdev->dev))) {
-                        dev_err(&pdev->dev,
-                                "Couldn't request MEM resource %d\n", i);
-                        return -ENODEV;
-                }
-
-                pmx->regs[i] = devm_ioremap(&pdev->dev, res->start,
-                                            resource_size(res));
-                if (!pmx->regs[i]) {
-                        dev_err(&pdev->dev, "Couldn't ioremap regs %d\n", i);
-                        return -ENODEV;
-                }
+                pmx->regs[i] = devm_ioremap_resource(&pdev->dev, res);
+                if (IS_ERR(pmx->regs[i]))
+                        return PTR_ERR(pmx->regs[i]);
         }
 
         pmx->pctl = pinctrl_register(&tegra_pinctrl_desc, &pdev->dev, pmx);