[U-Boot] [RFC/PATCH] jffs2/mtdparts: Fix problem with usage from JFFS2 and MTDPARTS together

[Wolfgang Denk]

Dear Stefan Roese,

In message <200905201201.50810.sr at denx.de> you wrote:
> 
> > => fsinfo
> > ### filesystem type is JFFS2
> > Scanning JFFS2 FS:   read_nand_cached: error reading nand off 0xabfe00 size
> > 8192 bytes read_nand_cached: error reading nand off 0xadfe00 size 8192
> > bytes
> > read_nand_cached: error reading nand off 0xac0000 size 8192 bytes
> > read_nand_cached: error reading nand off 0xaffe00 size 8192 bytes
> 
> <snip>
> 
> > The addresses where the read errors occur don't seem to be related to
> > the bad blocks reported by Linux.
> 
> No. What does a "normal" "nand read" return when reading this complete 
> partition into RAM? On PPC4xx it returned -117 here. I fixed it with the 
> already posted patches for the 4xx NDFC ECC byte ordering. Perhaps the TQM8548 
> has similar incompatibility issues with the Linux kernel here too?

I get this:

	=> nand read 200000 0 1000000

	NAND read: device 0 offset 0x0, size 0x1000000
	NAND read from offset 0 failed -74
	 16777216 bytes read: ERROR

Hm, this is indeed a very helpful message. What does it tell you? I
can't parse that. May we please have more readable error messages from
the NAND code? Please?!

Is this -74 decimal as EBADMSG or -0x74 = NAND_CMD_STATUS_ERROR1 ?



Best regards,

Wolfgang Denk

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