Re: [PATCH] dsp56k: use request_firmware

[Fredrik Noring]

Hi David,

9 jul 2008 kl. 15.05 skrev David Woodhouse:
> It is in fact identical. Disassembly with the tools found on  
> sourceforge
> was fun, since they have endianness bugs, don't recognise the 'JMP'
> which was the first instruction, and need each 3-byte instruction in  
> the
> binary to be prefixed with a zero byte to make it 4 bytes. But after
> sorting that out and going through it instruction by instruction, it
> really does seem to match.

Heh. Amazing.

[ I think the code can be simplified: It currently copies itself to a  
high program memory location, but this is not necessary because DSP  
soft reset was never implemented (the reset would have been trapped by  
the code, in order to load a new program). The driver instead power- 
cycles the DSP every time a new program is loaded. ]

> Thanks very much for digging it out.

No problem!

> When you say 'GPL like the driver it came from', actually the driver
> doesn't specify any version of the GPL but does refer to the top-level
> COPYING file. So we'll take that to mean 'GPLv2 and not later', like  
> the
> majority of the kernel. OK?

OK with me.

Thanks,
Fredrik

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