nvmem: meson-mx-efuse: Remove nvmem_device from efuse struct

nvmem_device is used at one place while registering nvmem
device and it is not required to be present in efuse struct
for just this purpose.

Drop nvmem_device and manage with nvmem device stack variable.

Signed-off-by: Mukesh Ojha <quic_mojha@quicinc.com>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20240430084921.33387-12-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Author: Mukesh Ojha

drivers/nvmem/meson-mx-efuse.c

@@ -43,7 +43,6 @@ struct meson_mx_efuse_platform_data {
 struct meson_mx_efuse {
 	void __iomem *base;
 	struct clk *core_clk;
-	struct nvmem_device *nvmem;
 	struct nvmem_config config;
 };
 
@@ -193,6 +192,7 @@ static int meson_mx_efuse_probe(struct platform_device *pdev)
 {
 	const struct meson_mx_efuse_platform_data *drvdata;
 	struct meson_mx_efuse *efuse;
+	struct nvmem_device *nvmem;
 
 	drvdata = of_device_get_match_data(&pdev->dev);
 	if (!drvdata)
@@ -223,9 +223,9 @@ static int meson_mx_efuse_probe(struct platform_device *pdev)
 		return PTR_ERR(efuse->core_clk);
 	}
 
-	efuse->nvmem = devm_nvmem_register(&pdev->dev, &efuse->config);
+	nvmem = devm_nvmem_register(&pdev->dev, &efuse->config);
 
-	return PTR_ERR_OR_ZERO(efuse->nvmem);
+	return PTR_ERR_OR_ZERO(nvmem);
 }
 
 static struct platform_driver meson_mx_efuse_driver = {