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Subject[PATCH 4/8] nvmem: meson-efuse: remove econfig global
Date
From: Jerome Brunet <jbrunet@baylibre.com>

Having a global structure holding a reference to the device
structure is not very nice. Allocate the econfig instead and fill
the nvmem information as before

Reviewed-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
---
drivers/nvmem/meson-efuse.c | 25 ++++++++++++++-----------
1 file changed, 14 insertions(+), 11 deletions(-)

diff --git a/drivers/nvmem/meson-efuse.c b/drivers/nvmem/meson-efuse.c
index 71823d1403c5..2df9b0094f45 100644
--- a/drivers/nvmem/meson-efuse.c
+++ b/drivers/nvmem/meson-efuse.c
@@ -35,13 +35,6 @@ static int meson_efuse_read(void *context, unsigned int offset,
return 0;
}

-static struct nvmem_config econfig = {
- .name = "meson-efuse",
- .stride = 1,
- .word_size = 1,
- .read_only = true,
-};
-
static const struct of_device_id meson_efuse_match[] = {
{ .compatible = "amlogic,meson-gxbb-efuse", },
{ /* sentinel */ },
@@ -50,17 +43,27 @@ MODULE_DEVICE_TABLE(of, meson_efuse_match);

static int meson_efuse_probe(struct platform_device *pdev)
{
+ struct device *dev = &pdev->dev;
struct nvmem_device *nvmem;
+ struct nvmem_config *econfig;
unsigned int size;

if (meson_sm_call(SM_EFUSE_USER_MAX, &size, 0, 0, 0, 0, 0) < 0)
return -EINVAL;

- econfig.dev = &pdev->dev;
- econfig.reg_read = meson_efuse_read;
- econfig.size = size;
+ econfig = devm_kzalloc(dev, sizeof(*econfig), GFP_KERNEL);
+ if (!econfig)
+ return -ENOMEM;
+
+ econfig->dev = dev;
+ econfig->name = dev_name(dev);
+ econfig->stride = 1;
+ econfig->word_size = 1;
+ econfig->read_only = true;
+ econfig->reg_read = meson_efuse_read;
+ econfig->size = size;

- nvmem = devm_nvmem_register(&pdev->dev, &econfig);
+ nvmem = devm_nvmem_register(&pdev->dev, econfig);

return PTR_ERR_OR_ZERO(nvmem);
}
--
2.16.2
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