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nvmem: brcm_nvram: find Device Tree nodes for NVMEM cells

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DT binding for Broadcom's NVRAM supports specifying NVMEM cells as NVMEM
device (provider) subnodes. Look for such subnodes when collecing NVMEM
cells. This allows NVMEM consumers to use NVRAM variables.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20220429162701.2222-3-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Rafał Miłecki 2022-04-29 17:26:47 +01:00 committed by Greg Kroah-Hartman
parent dbc2f62061
commit 207775f7e1
1 changed files with 2 additions and 0 deletions
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2
drivers/nvmem/brcm_nvram.c
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@ -8,6 +8,7 @@
#include <linux/module.h>
#include <linux/nvmem-consumer.h>
#include <linux/nvmem-provider.h>
#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
@ -72,6 +73,7 @@ static int brcm_nvram_add_cells(struct brcm_nvram *priv, uint8_t *data,
return -ENOMEM;
priv->cells[idx].offset = value - (char *)data;
priv->cells[idx].bytes = strlen(value);
priv->cells[idx].np = of_get_child_by_name(dev->of_node, priv->cells[idx].name);
}
return 0;