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List: yaffs
Subject: Re: [Yaffs] How can i read out ecc layout data when ECCGETLAYOUT
From: Charles Manning <manningc2 () actrix ! gen ! nz>
Date: 2011-11-02 23:51:09
Message-ID: 201111031251.09621.manningc2 () actrix ! gen ! nz
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On Wednesday 02 November 2011 20:41:47 yy xuye wrote:
> Hi guys,
>
> I want to dump yaffs2's nand data with ioctl function. But the control
> param is fail for some devices, the code as so:
>
> struct nand_ecclayout ecc_layout;
> ret = ioctl(ctx->fd, ECCGETLAYOUT, &ecc_layout);
>
> It return error message as so: Inappropriate ioctl for device.
>
What device did you try this on?
It should work on the mtd char devices. If not then there is a hole in your
flash driver.
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