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nvmem: u-boot-env: find Device Tree nodes for NVMEM cells

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DT binding allows specifying NVMEM cells as NVMEM device (provider)
subnodes. Looks for such subnodes when building NVMEM cells.

This allows NVMEM consumers to use U-Boot environment variables.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20220916122100.170016-11-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Rafał Miłecki 2022-09-16 13:20:57 +01:00 committed by Greg Kroah-Hartman
parent 8f6a3a19e9
commit d4d432670f
1 changed files with 1 additions and 0 deletions
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1
drivers/nvmem/u-boot-env.c
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@ -92,6 +92,7 @@ static int u_boot_env_add_cells(struct u_boot_env *priv, uint8_t *buf,
return -ENOMEM;
priv->cells[idx].offset = data_offset + value - data;
priv->cells[idx].bytes = strlen(value);
priv->cells[idx].np = of_get_child_by_name(dev->of_node, priv->cells[idx].name);
}
if (WARN_ON(idx != priv->ncells))