Commit 671aa5a4 authored by Sean Anderson's avatar Sean Anderson Committed by Greg Kroah-Hartman
Browse files

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: default avatarSean Anderson <sean.anderson@seco.com>
Signed-off-by: default avatarSrinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20220220151527.17216-12-srinivas.kandagatla@linaro.org


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 673d2cc5

Documentation/driver-api/nvmem.rst

+11 −10
Original line number Original line Diff line number Diff line
@@ -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