mfd: hi6421-pmic: Use devm_mfd_add_devices() for mfd_device registration

Use devm_mfd_add_devices() for MFD devices registration and get
rid of .remove callback to remove MFD child-devices. This is done
by managed device framework.

CC: Guodong Xu <guodong.xu@linaro.org>
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

1 files changed, 2 insertions, 10 deletions

diff --git a/drivers/mfd/hi6421-pmic-core.c b/drivers/mfd/hi6421-pmic-core.c
index f9ded45a992d..3fd703fe3aba 100644
--- a/drivers/mfd/hi6421-pmic-core.c
+++ b/drivers/mfd/hi6421-pmic-core.c
@@ -76,8 +76,8 @@ static int hi6421_pmic_probe(struct platform_device *pdev)
 
         platform_set_drvdata(pdev, pmic);
 
-        ret = mfd_add_devices(&pdev->dev, 0, hi6421_devs,
-                        ARRAY_SIZE(hi6421_devs), NULL, 0, NULL);
+        ret = devm_mfd_add_devices(&pdev->dev, 0, hi6421_devs,
+                                   ARRAY_SIZE(hi6421_devs), NULL, 0, NULL);
         if (ret) {
                 dev_err(&pdev->dev, "add mfd devices failed: %d\n", ret);
                 return ret;
@@ -86,13 +86,6 @@ static int hi6421_pmic_probe(struct platform_device *pdev)
         return 0;
 }
 
-static int hi6421_pmic_remove(struct platform_device *pdev)
-{
-        mfd_remove_devices(&pdev->dev);
-
-        return 0;
-}
-
 static const struct of_device_id of_hi6421_pmic_match_tbl[] = {
         { .compatible = "hisilicon,hi6421-pmic", },
         { },
@@ -105,7 +98,6 @@ static struct platform_driver hi6421_pmic_driver = {
                 .of_match_table = of_hi6421_pmic_match_tbl,
         },
         .probe  = hi6421_pmic_probe,
-        .remove = hi6421_pmic_remove,
 };
 module_platform_driver(hi6421_pmic_driver);