[U-Boot] [Patch v1 6/6] Driver/IFC: Move Freescale IFC driver to a common driver

[Prabhakar Kushwaha]

On 11/9/2013 6:30 AM, Scott Wood wrote:
> On Sat, 2013-11-09 at 06:22 +0530, Prabhakar Kushwaha wrote:
>> On 11/9/2013 6:14 AM, Scott Wood wrote:
>>> On Thu, 2013-10-31 at 08:57 +0530, Prabhakar Kushwaha wrote:
>>>> On 10/31/2013 7:37 AM, York Sun wrote:
>>>>> Freescale IFC controller has been used for mpc8xxx. It will be used
>>>>> for ARM-based SoC as well. This patch moves the driver to driver/mtd
>>>>> and fix the header file includes.
>>>>>
>>>>> Signed-off-by: York Sun <yorksun at freescale.com>
>>>>>
>>>> Thanks York for this patch.  This was pending from long time.
>>>>
>>>> This patch moves fsl_ifc.c from powerpc to driver/mtd
>>>> I am not sure having 2 files for IFC controller in driver/mtd/ is
>>>> correct. Although fsl_ifc.c is for IFC Controller(NOR, NAND machine) and
>>>> fsl_ifc_nand.c is only for IFC - NAND machine.
>>>> I am asking this question as same changes will be applicable in Linux also.
>>>>
>>>> Also,
>>>> We have to move changes of arch/powerpc/cpu/mpc85xx/speed.c to fsl_ifc.c
>>>> .  This will make a IFC driver generic.
>>>>
>>>> As this patch has impact on all IFC platforms,  has this been tested on
>>>> few platforms?
>>> I'm not sure that drivers/mtd is the right place for it as it doesn't
>>> expose an mtd interface.
>>>
>>>
>> Yes Scott, I am also agree with you. But we are not sure about the right
>> place for it.
> This is similar to the question of where to put CPM/QE code.  A place
> will need to be identified for glue code that doesn't fit cleanly into
> an existing subsystem.  drivers/misc is probably the right place, though
> IIRC on the Linux side the drivers/misc maintainer was generally opposed
> to its existence and pushed back on new things being added to it.

looks like putting fsl_ifc.c in driver/mtd is not good way of handle it.
I should sent on RFC of putting this in driver/misc for Linux and see 
the response. May be I get a better solution there.

Regards,
Prabhakar