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[1/2] nvmem: core: support passing DT node in cell info

Message ID 20220228093351.28162-1-zajec5@gmail.com (mailing list archive)
State New, archived
Headers show
Series [1/2] nvmem: core: support passing DT node in cell info | expand

Commit Message

Rafał Miłecki Feb. 28, 2022, 9:33 a.m. UTC 
From: Rafał Miłecki <rafal@milecki.pl>

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>
---
 drivers/nvmem/core.c           | 1 +
 include/linux/nvmem-consumer.h | 1 +
 2 files changed, 2 insertions(+)

Comments

Srinivas Kandagatla April 8, 2022, 10:20 a.m. UTC | #1 
On 28/02/2022 09:33, Rafał Miłecki wrote:
> From: Rafał Miłecki <rafal@milecki.pl>
> 
> 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>
> ---

Applied both, thanks,

--srini
>   drivers/nvmem/core.c           | 1 +
>   include/linux/nvmem-consumer.h | 1 +
>   2 files changed, 2 insertions(+)
> 
> diff --git a/drivers/nvmem/core.c b/drivers/nvmem/core.c
> index 6d5702e715d6..5fcf2793b599 100644
> --- a/drivers/nvmem/core.c
> +++ b/drivers/nvmem/core.c
> @@ -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,
> diff --git a/include/linux/nvmem-consumer.h b/include/linux/nvmem-consumer.h
> index c0c0cefc3b92..980f9c9ac0bc 100644
> --- a/include/linux/nvmem-consumer.h
> +++ b/include/linux/nvmem-consumer.h
> @@ -25,6 +25,7 @@ struct nvmem_cell_info {
>   	unsigned int		bytes;
>   	unsigned int		bit_offset;
>   	unsigned int		nbits;
> +	struct device_node	*np;
>   };
>   
>   /**
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Patch

diff --git a/drivers/nvmem/core.c b/drivers/nvmem/core.c
index 6d5702e715d6..5fcf2793b599 100644
--- a/drivers/nvmem/core.c
+++ b/drivers/nvmem/core.c
@@ -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,
diff --git a/include/linux/nvmem-consumer.h b/include/linux/nvmem-consumer.h
index c0c0cefc3b92..980f9c9ac0bc 100644
--- a/include/linux/nvmem-consumer.h
+++ b/include/linux/nvmem-consumer.h
@@ -25,6 +25,7 @@  struct nvmem_cell_info {
 	unsigned int		bytes;
 	unsigned int		bit_offset;
 	unsigned int		nbits;
+	struct device_node	*np;
 };
 
 /**