lkml.org 
[lkml]   [2019]   [Dec]   [19]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH v2 0/4] at24: move write-protect pin handling to nvmem core
From
Date


On 19/12/2019 10:53, Bartosz Golaszewski wrote:
> 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?

I can ack nvmem core patch so that you can take it directly via at24
tree if thats okay.


-srini
>
> 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(-)
>>>

\
 
 \ /
  Last update: 2019-12-19 11:57    [W:0.044 / U:0.036 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site