Re: [Yaffs] How can i read out ecc layout data when ECCGETLA…

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Author: Charles Manning
Date:  
To: yaffs
Subject: Re: [Yaffs] How can i read out ecc layout data when ECCGETLAYOUT failed
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.