[U-Boot] Problems around fatwrite command from uboot

[Tom Rini]

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On 02/21/2013 05:05 PM, Mats K￤rrman wrote:
> Jean Louis wrote:
>> Many thanks for your great help, I change the code as you say by 
>> :
>> 
>> ~line 659: if ((fat_val == 0xfffffff && mydata->fatsize == 32) 
>> ||
> (fat_val == 0xffff && mydata->fatsize == 16))
>> break; ~line 904: if ((curclust >= 0xffffff8 && mydata->fatsize 
>> == 32)
> || (curclust >= 0xfff8 && mydata->fatsize == 16)) {
>> empty_dentptr = dentptr; return NULL; }
>> 
>> I will do more tests with these changes.
> 
> Yes, that's what I had in mind. However there is also FAT12 but I 
> think that is only used for floppy disks and nobody uses those 
> anymore ?!? Please post your test results to the list!
> 
>> Thank you
> 
> You're welcome ;)
> 
> Btw. I have also seen the missalignment warnings that Tom Rini just
> posted about but I don't know if it's just performance that suffers
> or if the missalignment may also cause corruption. Tom?

The performance problems are due to using bounce buffers that (are
intended) to avoid potential corruption.

- -- 
Tom
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