[U-Boot] non-blocking flash functions - is this possible/acceptable?
Wolfgang Wegner
wolfgang at leila.ping.de
Tue Oct 27 16:24:51 CET 2009
On Tue, Oct 27, 2009 at 09:21:25AM -0400, Jerry Van Baren wrote:
> Wolfgang Wegner wrote:
> >Is such a use case generally acceptable in U-Boot, and if so,
>
> I'll defer to Wolfgang Denk, Stefan Roese, (Scott Wood?), and others for
> this half.
:-)
> >anybody have an idea how to implement those without all this duplicate
> >code?
>
> Move the code to the non-blocking functions (which you have already
> done), and then implement the blocking versions as wrappers that simply
> call the non-blocking write followed by a loop calling
> flash_status_check_nb() until the write is complete. For erase, you
> would need a loop to do the multi-sector erase as multiple non-blocking
> + wait operations.
I will try this and see if it looks clean after implementing.
Thanks for the hint.
Regards,
Wolfgang
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