linux-kernel - [PATCH v2] clk: imx: imx8mp-audiomix: use devm_auxiliary_device

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Message-Id: <20251024-auxiliary-v2-1-a353dc9e6b1a@nxp.com>
Date: Fri, 24 Oct 2025 09:45:51 +0800
From: Peng Fan <peng.fan@....com>
To: Abel Vesa <abelvesa@...nel.org>, 
 Michael Turquette <mturquette@...libre.com>, 
 Stephen Boyd <sboyd@...nel.org>, Shawn Guo <shawnguo@...nel.org>, 
 Sascha Hauer <s.hauer@...gutronix.de>, 
 Pengutronix Kernel Team <kernel@...gutronix.de>, 
 Fabio Estevam <festevam@...il.com>
Cc: Laurentiu Mihalcea <laurentiu.mihalcea@....com>, 
 Shengjiu Wang <shengjiu.wang@....com>, Frank Li <frank.li@....com>, 
 linux-clk@...r.kernel.org, imx@...ts.linux.dev, 
 linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, 
 Abel Vesa <abel.vesa@...aro.org>, Frank Li <Frank.Li@....com>, 
 Peng Fan <peng.fan@....com>
Subject: [PATCH v2] clk: imx: imx8mp-audiomix: use
 devm_auxiliary_device_create() to simple code

Use helper function devm_auxiliary_device_create() to remove some
boilerplate code.

Reviewed-by: Abel Vesa <abel.vesa@...aro.org>
Reviewed-by: Frank Li <Frank.Li@....com>
Signed-off-by: Peng Fan <peng.fan@....com>
---
Changes in v2:
- Update commit log per Frank
- Add R-b from Frank and Abel
- Link to v1: https://lore.kernel.org/r/20251023-auxiliary-v1-1-0a16fa4c3cdd@nxp.com
---
 drivers/clk/imx/clk-imx8mp-audiomix.c | 39 ++++-------------------------------
 1 file changed, 4 insertions(+), 35 deletions(-)

diff --git a/drivers/clk/imx/clk-imx8mp-audiomix.c b/drivers/clk/imx/clk-imx8mp-audiomix.c
index 775f62dddb11d8cfd17a4ebf7a677ef399c5e617..131702f2c9ecfd693af47094fe61b486ae6e8f6d 100644
--- a/drivers/clk/imx/clk-imx8mp-audiomix.c
+++ b/drivers/clk/imx/clk-imx8mp-audiomix.c
@@ -230,50 +230,19 @@ struct clk_imx8mp_audiomix_priv {
 
 #if IS_ENABLED(CONFIG_RESET_CONTROLLER)
 
-static void clk_imx8mp_audiomix_reset_unregister_adev(void *_adev)
-{
-	struct auxiliary_device *adev = _adev;
-
-	auxiliary_device_delete(adev);
-	auxiliary_device_uninit(adev);
-}
-
-static void clk_imx8mp_audiomix_reset_adev_release(struct device *dev)
-{
-	struct auxiliary_device *adev = to_auxiliary_dev(dev);
-
-	kfree(adev);
-}
-
 static int clk_imx8mp_audiomix_reset_controller_register(struct device *dev,
 							 struct clk_imx8mp_audiomix_priv *priv)
 {
-	struct auxiliary_device *adev __free(kfree) = NULL;
-	int ret;
+	struct auxiliary_device *adev;
 
 	if (!of_property_present(dev->of_node, "#reset-cells"))
 		return 0;
 
-	adev = kzalloc(sizeof(*adev), GFP_KERNEL);
+	adev = devm_auxiliary_device_create(dev, "reset", NULL);
 	if (!adev)
-		return -ENOMEM;
-
-	adev->name = "reset";
-	adev->dev.parent = dev;
-	adev->dev.release = clk_imx8mp_audiomix_reset_adev_release;
-
-	ret = auxiliary_device_init(adev);
-	if (ret)
-		return ret;
+		return -ENODEV;
 
-	ret = auxiliary_device_add(adev);
-	if (ret) {
-		auxiliary_device_uninit(adev);
-		return ret;
-	}
-
-	return devm_add_action_or_reset(dev, clk_imx8mp_audiomix_reset_unregister_adev,
-					no_free_ptr(adev));
+	return 0;
 }
 
 #else /* !CONFIG_RESET_CONTROLLER */

---
base-commit: aaa9c3550b60d6259d6ea8b1175ade8d1242444e
change-id: 20251023-auxiliary-3998bced9cb9

Best regards,
-- 
Peng Fan <peng.fan@....com>