[PATCH v8 1/9] nvmem: Add a simple NVMEM framework for nvmem providers
Srinivas Kandagatla
srinivas.kandagatla at linaro.org
Thu Jul 23 08:50:26 PDT 2015
On 23/07/15 16:26, Stefan Wahren wrote:
> Hi Srinivas,
>
> Am 20.07.2015 um 16:43 schrieb Srinivas Kandagatla:
>> This patch adds just providers part of the framework just to enable easy
>> review.
>>
>> Up until now, NVMEM drivers like eeprom were stored in drivers/misc,
>> where they all had to duplicate pretty much the same code to register
>> a sysfs file, allow in-kernel users to access the content of the devices
>> they were driving, etc.
>>
>> This was also a problem as far as other in-kernel users were involved,
>> since the solutions used were pretty much different from on driver to
>> another, there was a rather big abstraction leak.
>>
>> This introduction of this framework aims at solving this. It also
>> introduces DT representation for consumer devices to go get the data
>> they require (MAC Addresses, SoC/Revision ID, part numbers, and so on)
>> from the nvmems.
>>
>> Having regmap interface to this framework would give much better
>> abstraction for nvmems on different buses.
>>
>> Signed-off-by: Maxime Ripard <maxime.ripard at free-electrons.com>
>> [Maxime Ripard: intial version of eeprom framework]
>> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla at linaro.org>
>> ---
>> drivers/Kconfig | 2 +
>> drivers/Makefile | 1 +
>> drivers/nvmem/Kconfig | 13 ++
>> drivers/nvmem/Makefile | 6 +
>> drivers/nvmem/core.c | 384 +++++++++++++++++++++++++++++++++++++++++
>> include/linux/nvmem-consumer.h | 23 +++
>> include/linux/nvmem-provider.h | 47 +++++
>> 7 files changed, 476 insertions(+)
>> create mode 100644 drivers/nvmem/Kconfig
>> create mode 100644 drivers/nvmem/Makefile
>> create mode 100644 drivers/nvmem/core.c
>> create mode 100644 include/linux/nvmem-consumer.h
>> create mode 100644 include/linux/nvmem-provider.h
>
> i've tested this patch with my mxs-ocotp driver [1].
>
> So you can add
>
> Tested-by: Stefan Wahren <stefan.wahren at i2se.com>
>
Thanks for tested-by, That helps.
--srini
> Regards
> Stefan
>
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