Re: [PATCH 2/3] mtd: davinci-nand: add dts property for NAND_NO_SUBPAGE_WRITE option

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On Mar 20, 2014, at 11:37 AM, Santosh Shilimkar <santosh.shilimkar@xxxxxx> wrote:

> 
> 
> On Thursday 20 March 2014 01:29 PM, Brian Norris wrote:
>> On Thu, Mar 20, 2014 at 01:12:35PM -0400, Santosh Shilimkar wrote:
>>> Boris,
>> 
>> Who's Boris? And why should Boris be taking this patch? It's an MTD
>> patch.
>> 
> I got your name completely wrong. Sorry....
> 
>>> On Thursday 20 March 2014 01:06 PM, Ivan Khoronzhuk wrote:
>>>> From: Murali Karicheri <m-karicheri2@xxxxxx>
>>>> 
>>>> After testing NAND flash with ubifs for k2hk-emv board were committed
>>>> that flash doesn't support subpage writing, so we can fix it by
>>>> adding a property to disable subpage write.
>> 
>> What flash? We try to autodetect NAND as much as possible. Perhaps we
>> should be adding infrastructure support instead of hacking it with a DT
>> property.
>> 
> We can't auto detect it and thats why the DT approach was taken. We
> will double check that.

I though sub page writing was one of the fields in the onfi and/or jedec(toggle) meta data structures. Have you looked there?

Warner

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