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Subject[PATCH v3 08/21] nvmem: sunxi_sid: use devm_nvmem_register()
Date
From: Bartosz Golaszewski <bgolaszewski@baylibre.com>

Use the resource managed variant of nvmem_register().

Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
---
drivers/nvmem/sunxi_sid.c | 20 +++-----------------
1 file changed, 3 insertions(+), 17 deletions(-)

diff --git a/drivers/nvmem/sunxi_sid.c b/drivers/nvmem/sunxi_sid.c
index d020f89248fd..0296c23db322 100644
--- a/drivers/nvmem/sunxi_sid.c
+++ b/drivers/nvmem/sunxi_sid.c
@@ -181,15 +181,13 @@ static int sunxi_sid_probe(struct platform_device *pdev)
else
econfig.reg_read = sunxi_sid_read;
econfig.priv = sid;
- nvmem = nvmem_register(&econfig);
+ nvmem = devm_nvmem_register(dev, &econfig);
if (IS_ERR(nvmem))
return PTR_ERR(nvmem);

randomness = kzalloc(size, GFP_KERNEL);
- if (!randomness) {
- ret = -EINVAL;
- goto err_unreg_nvmem;
- }
+ if (!randomness)
+ return PTR_ERR(-EINVAL);

for (i = 0; i < size; i++)
econfig.reg_read(sid, i, &randomness[i], 1);
@@ -200,17 +198,6 @@ static int sunxi_sid_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, nvmem);

return 0;
-
-err_unreg_nvmem:
- nvmem_unregister(nvmem);
- return ret;
-}
-
-static int sunxi_sid_remove(struct platform_device *pdev)
-{
- struct nvmem_device *nvmem = platform_get_drvdata(pdev);
-
- return nvmem_unregister(nvmem);
}

static const struct sunxi_sid_cfg sun4i_a10_cfg = {
@@ -243,7 +230,6 @@ MODULE_DEVICE_TABLE(of, sunxi_sid_of_match);

static struct platform_driver sunxi_sid_driver = {
.probe = sunxi_sid_probe,
- .remove = sunxi_sid_remove,
.driver = {
.name = "eeprom-sunxi-sid",
.of_match_table = sunxi_sid_of_match,
--
2.18.0
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