Messages in this thread | | | Subject | Re: [PATCH 2/3] mtd: davinci-nand: add dts property for NAND_NO_SUBPAGE_WRITE option | From | Warner Losh <> | Date | Thu, 20 Mar 2014 12:09:00 -0600 |
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On Mar 20, 2014, at 12:02 PM, Santosh Shilimkar <santosh.shilimkar@ti.com> wrote:
> On Thursday 20 March 2014 01:44 PM, Warner Losh wrote: >> >> On Mar 20, 2014, at 11:37 AM, Santosh Shilimkar <santosh.shilimkar@ti.com> 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@ti.com> >>>>>> >>>>>> 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? >> > Am not sure if I follow you. The limitation is from the TI NAND controller(AEMIF) and > not the NAND memory.
Then never mind. I thought it was the other side of things.
Warner
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