From mboxrd@z Thu Jan 1 00:00:00 1970 From: sourav.poddar@ti.com (Sourav Poddar) Date: Wed, 27 Nov 2013 15:17:31 +0530 Subject: [PATCH 0/4] mtd: spi-nor: add a new framework for SPI NOR In-Reply-To: <201311271027.06982.marex@denx.de> References: <1385447575-23773-1-git-send-email-b32955@freescale.com> <201311271027.06982.marex@denx.de> Message-ID: <5295BFB3.5020109@ti.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Dear Marek Vasut, Huang, On Wednesday 27 November 2013 02:57 PM, Marek Vasut wrote: > Dear Huang Shijie, > >> 1.) Why add a new framework for SPI NOR? >> The SPI-NOR controller such as Freescale's Quadspi controller is working >> in a different way from the SPI bus. It should knows the NOR commands to >> find the right LUT sequence. Unfortunately, the current code can not meet >> this requirement. > Is there any kind of documentation for this controller available? I cannot quite > understand how this controller works and why can it not be used with our current > infrastructure. > I do have a similar requirement where my controller need to be configured from slave info. I have submiited a series in the mtd list adding that portion of handling such cases. Here, is the patch which specific to m25p80 part. http://patchwork.ozlabs.org/patch/294285/ The whole series can be found here: https://www.mail-archive.com/linux-omap at vger.kernel.org/msg98691.html > Best regards, > Marek Vasut