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Date: Fri, 22 Nov 2013 09:14:52 +0100 From: Richard Weinberger <richard.weinberger@...il.com> To: Hans Zhang <zhanghonghui@...ofidei.com> Cc: Ezequiel Garcia <ezequiel.garcia@...e-electrons.com>, Richard Genoud <richard.genoud@...il.com>, zhouguangming@...ofidei.com, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, linux-mtd <linux-mtd@...ts.infradead.org>, David Woodhouse <dwmw2@...radead.org> Subject: Re: [PATCH] Make the mtdblock read/write skip the bad nand sector On Fri, Nov 22, 2013 at 3:10 AM, Hans Zhang <zhanghonghui@...ofidei.com> 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. Instead of fixing your userspace you mess around int the kernel? Sorry, that's a no-no. -- Thanks, //richard -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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