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doc: nvmem: Update example 

Update the example to reflect the new API. I have chosen the brcm-nvram
driver since it seems to be simpler than the qfprom driver.

Signed-off-by: Sean Anderson <sean.anderson@seco.com>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20220220151527.17216-12-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Sean Anderson 2022-02-20 15:15:25 +00:00 committed by Greg Kroah-Hartman
parent 673d2cc5c1
commit 671aa5a4d4
1 changed files with 11 additions and 10 deletions
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21
Documentation/driver-api/nvmem.rst
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@ -43,19 +43,20 @@ nvmem_device pointer.
nvmem_unregister(nvmem) is used to unregister a previously registered provider. nvmem_unregister(nvmem) is used to unregister a previously registered provider.
For example, a simple qfprom case:: For example, a simple nvram case::
static struct nvmem_config econfig = { static int brcm_nvram_probe(struct platform_device *pdev)
.name = "qfprom",
.owner = THIS_MODULE,
};
static int qfprom_probe(struct platform_device *pdev)
{ {
struct nvmem_config config = {
.name = "brcm-nvram",
.reg_read = brcm_nvram_read,
};
... ...
econfig.dev = &pdev->dev; config.dev = &pdev->dev;
nvmem = nvmem_register(&econfig); config.priv = priv;
... config.size = resource_size(res);
devm_nvmem_register(&config);
} }
Users of board files can define and register nvmem cells using the Users of board files can define and register nvmem cells using the