[PATCH 13/50] pinctrl: mtk-common: Use devm_pinctrl_register() for pinctrl registration

Laxman Dewangan
2016-02-24T13:30:50Z

Use devm_pinctrl_register() for pin control registration and clean
the error path.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Cc: Matthias Brugger <matthias.bgg@gmail.com>
Cc: Hongzhou Yang <hongzhou.yang@mediatek.com>
Cc: Yingjoe Chen <yingjoe.chen@mediatek.com>
---
drivers/pinctrl/mediatek/pinctrl-mtk-common.c | 17 ++++++-----------
1 file changed, 6 insertions(+), 11 deletions(-)

diff --git a/drivers/pinctrl/mediatek/pinctrl-mtk-common.c b/drivers/pinctrl/mediatek/pinctrl-mtk-common.c
index ddc9217..194413d 100644
--- a/drivers/pinctrl/mediatek/pinctrl-mtk-common.c
+++ b/drivers/pinctrl/mediatek/pinctrl-mtk-common.c
@@ -1390,17 +1390,16 @@ int mtk_pctrl_init(struct platform_device *pdev,
pctl->pctl_desc.pmxops = &mtk_pmx_ops;
pctl->dev = &pdev->dev;

- pctl->pctl_dev = pinctrl_register(&pctl->pctl_desc, &pdev->dev, pctl);
+ pctl->pctl_dev = devm_pinctrl_register(&pdev->dev, &pctl->pctl_desc,
+ pctl);
if (IS_ERR(pctl->pctl_dev)) {
dev_err(&pdev->dev, "couldn't register pinctrl driver\n");
return PTR_ERR(pctl->pctl_dev);
}

pctl->chip = devm_kzalloc(&pdev->dev, sizeof(*pctl->chip), GFP_KERNEL);
- if (!pctl->chip) {
- ret = -ENOMEM;
- goto pctrl_error;
- }
+ if (!pctl->chip)
+ return -ENOMEM;

*pctl->chip = mtk_gpio_chip;
pctl->chip->ngpio = pctl->devdata->npins;
@@ -1409,10 +1408,8 @@ int mtk_pctrl_init(struct platform_device *pdev,
pctl->chip->base = -1;

ret = gpiochip_add_data(pctl->chip, pctl);
- if (ret) {
- ret = -EINVAL;
- goto pctrl_error;
- }
+ if (ret)
+ return -EINVAL;

/* Register the GPIO to pin mappings. */
ret = gpiochip_add_pin_range(pctl->chip, dev_name(&pdev->dev),
@@ -1490,8 +1487,6 @@ int mtk_pctrl_init(struct platform_device *pdev,

chip_error:
gpiochip_remove(pctl->chip);
-pctrl_error:
- pinctrl_unregister(pctl->pctl_dev);
return ret;
}

--
2.1.4