On 05/09/2013 11:37 PM, Scott Wood wrote: > On 05/06/2013 11:53:52 AM, Michal Simek wrote: >> Hi guys, >> >> Zynq supports 8 and 16bit ONFI nand flashes. >> We can count number of connected pins and from that >> we know if 8bit or 16bit nand flash is used. >> >> I have looked at the code and contains ONFI detection >> with correct detection of bus width + checking later. >> Why also not setup proper chip->options for NAND_BUSWIDTH_16? >> >> Not sure how others but if driver expect just ONFI devices >> and support 8 and 16bit options why not just to setup >> chip options based on information from ONFI or >> not check that (busw != (chip->options & NAND_BUSWIDTH_16)) >> for onfi case. > > This is fixed in current Linux, with NAND_BUSWIDTH_AUTO. There was a patchset to merge in recent Linux MTD code a while back, but an expected respin didn't come. I'll try to fix it up when I process this merge window's patches.
Ok. Nice. That will be really helpful. Thanks, Michal -- Michal Simek, Ing. (M.Eng), OpenPGP -> KeyID: FE3D1F91 w: www.monstr.eu p: +42-0-721842854 Maintainer of Linux kernel - Microblaze cpu - http://www.monstr.eu/fdt/ Maintainer of Linux kernel - Xilinx Zynq ARM architecture Microblaze U-BOOT custodian and responsible for u-boot arm zynq platform
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