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path: root/drivers/nvmem/rockchip-efuse.c
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Diffstat (limited to 'drivers/nvmem/rockchip-efuse.c')
-rw-r--r--drivers/nvmem/rockchip-efuse.c32
1 files changed, 10 insertions, 22 deletions
diff --git a/drivers/nvmem/rockchip-efuse.c b/drivers/nvmem/rockchip-efuse.c
index f13a8335f364..b3b0b648be62 100644
--- a/drivers/nvmem/rockchip-efuse.c
+++ b/drivers/nvmem/rockchip-efuse.c
@@ -259,55 +259,43 @@ static int rockchip_efuse_probe(struct platform_device *pdev)
struct resource *res;
struct nvmem_device *nvmem;
struct rockchip_efuse_chip *efuse;
- const struct of_device_id *match;
+ const void *data;
struct device *dev = &pdev->dev;
- match = of_match_device(dev->driver->of_match_table, dev);
- if (!match || !match->data) {
+ data = of_device_get_match_data(dev);
+ if (!data) {
dev_err(dev, "failed to get match data\n");
return -EINVAL;
}
- efuse = devm_kzalloc(&pdev->dev, sizeof(struct rockchip_efuse_chip),
+ efuse = devm_kzalloc(dev, sizeof(struct rockchip_efuse_chip),
GFP_KERNEL);
if (!efuse)
return -ENOMEM;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- efuse->base = devm_ioremap_resource(&pdev->dev, res);
+ efuse->base = devm_ioremap_resource(dev, res);
if (IS_ERR(efuse->base))
return PTR_ERR(efuse->base);
- efuse->clk = devm_clk_get(&pdev->dev, "pclk_efuse");
+ efuse->clk = devm_clk_get(dev, "pclk_efuse");
if (IS_ERR(efuse->clk))
return PTR_ERR(efuse->clk);
- efuse->dev = &pdev->dev;
+ efuse->dev = dev;
if (of_property_read_u32(dev->of_node, "rockchip,efuse-size",
&econfig.size))
econfig.size = resource_size(res);
- econfig.reg_read = match->data;
+ econfig.reg_read = data;
econfig.priv = efuse;
econfig.dev = efuse->dev;
- nvmem = nvmem_register(&econfig);
- if (IS_ERR(nvmem))
- return PTR_ERR(nvmem);
+ nvmem = devm_nvmem_register(dev, &econfig);
- platform_set_drvdata(pdev, nvmem);
-
- return 0;
-}
-
-static int rockchip_efuse_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 rockchip_efuse_driver = {
.probe = rockchip_efuse_probe,
- .remove = rockchip_efuse_remove,
.driver = {
.name = "rockchip-efuse",
.of_match_table = rockchip_efuse_match,