nvmem: imx-ocotp: Convert to use devm_nvmem_register()

Drop all of the code related to .remove hook and make use of
devm_nvmem_register() instead.

Cc: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Cc: Heiko Stuebner <heiko@sntech.de>
Cc: Masahiro Yamada <yamada.masahiro@socionext.com>
Cc: Carlo Caione <carlo@caione.org>
Cc: Kevin Hilman <khilman@baylibre.com>
Cc: Matthias Brugger <matthias.bgg@gmail.com>
Cc: cphealy@gmail.com
Cc: linux-kernel@vger.kernel.org
Cc: linux-mediatek@lists.infradead.org
Cc: linux-rockchip@lists.infradead.org
Cc: linux-amlogic@lists.infradead.org
Cc: linux-arm-kernel@lists.infradead.org
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/nvmem/imx-ocotp.c b/drivers/nvmem/imx-ocotp.c
index d7ba351..f1482c6 100644 (file)
--- a/drivers/nvmem/imx-ocotp.c
+++ b/drivers/nvmem/imx-ocotp.c
@@ -466,26 +466,14 @@ static int imx_ocotp_probe(struct platform_device *pdev)
        imx_ocotp_nvmem_config.dev = dev;
        imx_ocotp_nvmem_config.priv = priv;
        priv->config = &imx_ocotp_nvmem_config;
-       nvmem = nvmem_register(&imx_ocotp_nvmem_config);
+       nvmem = devm_nvmem_register(dev, &imx_ocotp_nvmem_config);
 
-       if (IS_ERR(nvmem))
-               return PTR_ERR(nvmem);
 
-       platform_set_drvdata(pdev, nvmem);
-
-       return 0;
-}
-
-static int imx_ocotp_remove(struct platform_device *pdev)
-{
-       struct nvmem_device *nvmem = platform_get_drvdata(pdev);
-
-       return nvmem_unregister(nvmem);
+       return PTR_ERR_OR_ZERO(nvmem);
 }
 
 static struct platform_driver imx_ocotp_driver = {
        .probe  = imx_ocotp_probe,
-       .remove = imx_ocotp_remove,
        .driver = {
                .name   = "imx_ocotp",
                .of_match_table = imx_ocotp_dt_ids,