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nvmem: core: support passing DT node in cell info

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Some hardware may have NVMEM cells described in Device Tree using
individual nodes. Let drivers pass such nodes to the NVMEM subsystem so
they can be later used by NVMEM consumers.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20220429162701.2222-2-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Rafał Miłecki 2022-04-29 17:26:46 +01:00 committed by Greg Kroah-Hartman
parent a15dac8b22
commit dbc2f62061
2 changed files with 2 additions and 0 deletions
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1
drivers/nvmem/core.c
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@ -467,6 +467,7 @@ static int nvmem_cell_info_to_nvmem_cell_entry_nodup(struct nvmem_device *nvmem,
cell->bit_offset = info->bit_offset;
cell->nbits = info->nbits;
cell->np = info->np;
if (cell->nbits)
cell->bytes = DIV_ROUND_UP(cell->nbits + cell->bit_offset,

1
include/linux/nvmem-consumer.h
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@ -25,6 +25,7 @@ struct nvmem_cell_info {
unsigned int bytes;
unsigned int bit_offset;
unsigned int nbits;
struct device_node *np;
};
/**