On Fri, Nov 22, 2013 at 10:10:19AM +0800, Hans Zhang wrote: > On 2013/11/22 9:52, Ezequiel Garcia wrote: > > On Fri, Nov 22, 2013 at 09:22:43AM +0800, Hans Zhang wrote: > >> On 2013/11/21 18:59, Richard Genoud wrote: > >> > >> Here's my scenario, I want to write nand through mtdblock by dd command > > You could get some better support by explaining why do you want to write > > to a NAND through mtdblock. It sounds a bit ackward to me, but I'm sure > > you have a good reason for it! > > > > Let's hear it :-) > > 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? -- Ezequiel García, 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/
