linux-kernel - [PATCH 10/25] nvmem: meson-mx-efuse: Convert to use devm_nvmem

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Message-Id: <20180309144719.29904-11-srinivas.kandagatla@linaro.org>
Date:   Fri,  9 Mar 2018 14:47:04 +0000
From:   srinivas.kandagatla@...aro.org
To:     gregkh@...uxfoundation.org
Cc:     linux-kernel@...r.kernel.org, srinivas.kandagatla@...aro.org,
        Andrey Smirnov <andrew.smirnov@...il.com>,
        Heiko Stuebner <heiko@...ech.de>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Carlo Caione <carlo@...one.org>,
        Kevin Hilman <khilman@...libre.com>,
        Matthias Brugger <matthias.bgg@...il.com>, cphealy@...il.com,
        linux-mediatek@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org,
        linux-amlogic@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org
Subject: [PATCH 10/25] nvmem: meson-mx-efuse: Convert to use devm_nvmem_register()

From: Andrey Smirnov <andrew.smirnov@...il.com>

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

Cc: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
Cc: Heiko Stuebner <heiko@...ech.de>
Cc: Masahiro Yamada <yamada.masahiro@...ionext.com>
Cc: Carlo Caione <carlo@...one.org>
Cc: Kevin Hilman <khilman@...libre.com>
Cc: Matthias Brugger <matthias.bgg@...il.com>
Cc: cphealy@...il.com
Cc: linux-kernel@...r.kernel.org
Cc: linux-mediatek@...ts.infradead.org
Cc: linux-rockchip@...ts.infradead.org
Cc: linux-amlogic@...ts.infradead.org
Cc: linux-arm-kernel@...ts.infradead.org
Signed-off-by: Andrey Smirnov <andrew.smirnov@...il.com>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
---
 drivers/nvmem/meson-mx-efuse.c | 16 ++--------------
 1 file changed, 2 insertions(+), 14 deletions(-)

diff --git a/drivers/nvmem/meson-mx-efuse.c b/drivers/nvmem/meson-mx-efuse.c
index 41d3a3c1104e..a085563e39e3 100644
--- a/drivers/nvmem/meson-mx-efuse.c
+++ b/drivers/nvmem/meson-mx-efuse.c
@@ -233,25 +233,13 @@ static int meson_mx_efuse_probe(struct platform_device *pdev)
 		return PTR_ERR(efuse->core_clk);
 	}
 
-	efuse->nvmem = nvmem_register(&efuse->config);
-	if (IS_ERR(efuse->nvmem))
-		return PTR_ERR(efuse->nvmem);
+	efuse->nvmem = devm_nvmem_register(&pdev->dev, &efuse->config);
 
-	platform_set_drvdata(pdev, efuse);
-
-	return 0;
-}
-
-static int meson_mx_efuse_remove(struct platform_device *pdev)
-{
-	struct meson_mx_efuse *efuse = platform_get_drvdata(pdev);
-
-	return nvmem_unregister(efuse->nvmem);
+	return PTR_ERR_OR_ZERO(efuse->nvmem);
 }
 
 static struct platform_driver meson_mx_efuse_driver = {
 	.probe = meson_mx_efuse_probe,
-	.remove = meson_mx_efuse_remove,
 	.driver = {
 		.name = "meson-mx-efuse",
 		.of_match_table = meson_mx_efuse_match,
-- 
2.15.1