Messages in this thread | | | Date | Thu, 20 Mar 2014 14:02:39 -0400 | From | Santosh Shilimkar <> | Subject | Re: [PATCH 2/3] mtd: davinci-nand: add dts property for NAND_NO_SUBPAGE_WRITE option |
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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.
regards, Santosh
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