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

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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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))