Re: Upcoming merge window and omap NAND patches

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On Wed, May 5, 2010 at 10:19 AM, Artem Bityutskiy
<Artem.Bityutskiy@xxxxxxxxx> wrote:
> On Wed, 2010-05-05 at 00:08 +0200, ext Tony Lindgren wrote:
>> Hi all,
>>
>> There are several omap NAND patches pending, but some basic things
>> should be fixed first.
>>
>> 1. The NAND driver needs to stop tinkering with the GPMC registers
>>
>> The omap General Purpose Memory Controller (GPMC) registers are omap
>> specific, and not driver specific. Tinkering with these registers
>> can cause issues with the other devices on the GPMC.
>>
>> To find out what needs to disappear fomr the NAND driver, just do:
>>
>> $ grep baseaddr drivers/mtd/nand/omap2.c
>>
>> Any GPMC register tinkering needs to happen in arch/arm/mach-omap2/gpmc.c.
>> If there are not currently GPMC functions to do something in gpmc.c, then
>> let's add the necessary support there.
>>
>> 2. Passing hardcoded GPMC_CS0_BASE needs to go from the board files
>>
>> Passing hardcoded GPMC virtual addressess is sure way to mess up
>> things. This should all become unnecessary once the NAND drivers
>> stops messing with the GPMC registers directly.
>>
>> So, as a result, I'm not planning on pushing any omap NAND related
>> patches until these basic issues are fixed. I'll mark these patches
>> as "Changes requested" in patchwork.kernel.org even if these patches
>> don't have anything else wrong with them.
>>
>> Let's fix the basic things for good, and put the other patches on
>> hold for a while. Sorry if this causes problems!
>
> Hi,
>
> fair enough. I guess Vimal should address this, as he seems to be the TI
> mr. NAND, right? :-)

Hi All,

Sorry again. I am no more with TI and I don't have any board with me
too. So, I'm unable to fix these.  :(
I hope someone else from TI can take care of it.

-- 
Regards,
Vimal Singh
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