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nvmem: core: Fix of_nvmem_cell_get() for optional cells

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of_nvmem_cell_get() should return -ENOENT when a cell isn't defined,
otherwise callers can't distinguish between a missing cell and other
errors.

Signed-off-by: Alban Bedel <[email protected]>
Signed-off-by: Srinivas Kandagatla <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
This commit is contained in:
Alban Bedel 2019-01-28 15:55:01 +00:00 • committed by Greg Kroah-Hartman
commit 5087cc198e
1 changed files with 1 additions and 1 deletions
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2
drivers/nvmem/core.c
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@ -1031,7 +1031,7 @@ struct nvmem_cell *of_nvmem_cell_get(struct device_node *np, const char *id)
cell_np = of_parse_phandle(np, "nvmem-cells", index);
if (!cell_np)
return ERR_PTR(-EINVAL);
return ERR_PTR(-ENOENT);
nvmem_np = of_get_next_parent(cell_np);
if (!nvmem_np)