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SubjectRe: [PATCH v2 0/4] at24: move write-protect pin handling to nvmem core
czw., 19 gru 2019 o 11:51 Srinivas Kandagatla
<srinivas.kandagatla@linaro.org> napisał(a):
>
>
>
> On 10/12/2019 15:41, Khouloud Touil wrote:
> > The write-protect pin handling looks like a standard property that
> > could benefit other users if available in the core nvmem framework.
> >
> > Instead of modifying all the drivers to check this pin, make the
> > nvmem subsystem check if the write-protect GPIO being passed
> > through the nvmem_config or defined in the device tree and pull it
> > low whenever writing to the memory.
> >
> > This patchset:
> >
> > - adds support for the write-protect pin split into two parts.
> > The first patch modifies modifies the relevant binding document,
> > while the second modifies the nvmem code to pull the write-protect
> > GPIO low (if present) during write operations.
> >
> > - removes support for the write-protect pin split into two parts.
> > The first patch modifies the relevant binding document to remove
> > the wp-gpio, while the second removes the relevant code in the
> > at24 driver.
> >
> > Changes since v1:
> > -Add an explenation on how the wp-gpios works
> > -keep reference to the wp-gpios in the at24 binding
> >
> > Khouloud Touil (4):
> > dt-bindings: nvmem: new optional property write-protect-gpios
> > nvmem: add support for the write-protect pin
> > dt-bindings: at24: remove the optional property write-protect-gpios
> > eeprom: at24: remove the write-protect pin support
> >
>
> Thanks Khouloud for this patchset,
>
> I can take this via nvmem tree once we get an ack on dt bindings from DT
> maintainers.
>

Hi Srinivas,

this will conflict with my at24 tree for this release - can you put
those patches (once they're fine) into an immutable branch for me to
merge in?

Bart

>
> --srini
> > .../devicetree/bindings/eeprom/at24.yaml | 6 +-----
> > .../devicetree/bindings/nvmem/nvmem.yaml | 9 +++++++++
> > drivers/misc/eeprom/at24.c | 9 ---------
> > drivers/nvmem/core.c | 19 +++++++++++++++++--
> > drivers/nvmem/nvmem.h | 2 ++
> > include/linux/nvmem-provider.h | 3 +++
> > 6 files changed, 32 insertions(+), 16 deletions(-)
> >

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