Hi Wolfgang
Cannot get MTD information: Inappropriate ioctl for device got printed
Thanks
Rahanesh
Wolfgang Denk wrote:
> Dear Rahanesh,
>
> In message <4ab0dfca.4040...@tataelxsi.co.in> you wrote:
>
>> When i executed fw_printenv on an embedded board , it threw an error
>>
>>
>> IOCTL error : Cannot get MTD information!! Any idea why this error
>> occurred?
>>
>
> Well, looking in the source code, I see a single place with a similar
> error message:
>
> 786 rc = ioctl (fd, MEMGETINFO, &mtdinfo);
> 787 if (rc < 0) {
> 788 perror ("Cannot get MTD information");
> 789 return -1;
> 790 }
>
> But then, the error message would be:
>
> Cannot get MTD information: XXX XXX XXX
>
> with "XXX XXX XXX" giving an explanation of what goes wrong.
>
> What was the "XXX XXX XXX" that got printed in your case?
>
>
>
>> The contents of config file which i used shown below
>>
>>
>>
>> # MTD device name Device offset Env. size Flash sector size
>> Number of sectors
>> /dev/mtd0 0x0000 0x1000 0x10000
>>
>
> Are you sure this is correct? Your environment size is only 4 KiB?
> And your flash secor size is 64 KiB?
>
> Best regards,
>
> Wolfgang Denk
>
>
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