[RFC 3/7] bcm47xx-sprom: add Broadcom sprom parser driver

[Jonas Gorski]

On Mon, Aug 25, 2014 at 9:52 AM, Arnd Bergmann <arnd at arndb.de> wrote:
> On Sunday 24 August 2014 23:24:41 Hauke Mehrtens wrote:
>> This driver needs an nvram driver and fetches the sprom values from the
>> nvram and provides it to any other driver. The calibration data for the
>> wifi chip the mac address and some more board description data is
>> stores in the sprom.
>>
>> This is based on a copy of arch/mips/bcm47xx/sprom.c and my plan is to
>> make the bcm47xx MIPS SoCs also use this driver some time later.
>
>> Signed-off-by: Hauke Mehrtens <hauke at hauke-m.de>
>> ---
>>  .../devicetree/bindings/misc/bcm47xx-sprom.txt     |  16 +
>
> I'd prefer not to list the binding in a 'misc' category. Maybe we can
> have a new category and move the misc/sram.txt into the same?
>
>>  drivers/misc/Kconfig                               |  14 +
>>  drivers/misc/Makefile                              |   1 +
>>  drivers/misc/bcm47xx-sprom.c                       | 690 +++++++++++++++++++++
>
> On a similar note, putting the driver into drivers/misc seems
> suboptimal: misc drivers should by definition be something that
> is for some odd hardware with no external dependencies on it,
> whereas your driver seems to be used by multiple other drivers.
>
> Would it make sense to put it into drivers/bcma when that is the
> only bus it is used on?

If the driver will be used for bcm47xx/mips, it will be used for two
busses, bcma and ssb, so it will need to be at a common
location.


Jonas