On Mon, Nov 25, 2013 at 09:29:11AM +0800, Hans Zhang wrote: > On 2013/11/22 19:45, Ezequiel Garcia wrote: > >> Thanks for your reply. > >> This is for my embed system upgrade, I reserved one nand partition for > >> filesystem > >> environment which will load to DDR while uboot booting. > >> This filesystem.uboot file should be able to read both by uboot and > >> kernel, and > >> maybe written by uboot and kernel. There will be no filesystems upon the > >> nand in > >> case the loader may not support some filesystem types while uboot booting. > >> > >> Seems that the trimmed environment of OS has get rid of the mtd-tools, So > >> the dd > >> command was the most convenience tools to use by hand. > >> > > I still don't understand why are you using mtdblock. Why can't you write > > through the char device? > > Well, yes, write through the char device would be a solution.
But, *why* are you writing through mtdblock instead? > I think that maybe it's an optional approach through mtdblock in case we do > not have > the mtd-tools in our environments, we do provider a simpler way to write the > NAND > through mtdblock. > Uh? simpler? Writing through mtdchat is as simple as it gets: $ cat some_file.img > /dev/mtd0 Sorry, but I'm still confused at what are you trying to accomplish. -- Ezequiel GarcĂa, Free Electrons Embedded Linux, Kernel and Android Engineering http://free-electrons.com -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/