[U-Boot] [PATCH] SATA: do not auto-initialize during boot

[Mike Frysinger <vapier@gentoo.org>]

On Thursday 11 December 2008 19:15:06 Scott Wood wrote:
> Mike Frysinger wrote:
> > On Thursday 11 December 2008 18:53:00 Wolfgang Denk wrote:
> >> And if they do, the code should fail gracefully, i. e. print some
> >> friendly error message like that S-ATA is not available.
> >
> > in this case, i think that's up to the controller.  i.e. the controller
> > doesnt find anything and you get a message that nothing was found.
> >
> > i dont have a board to test with to know what will happen exactly, nor
> > does the current code make any statement that i can see.  Scott ?
>
> IIUC, if it's "not available" the driver will still see the controller
> regs, but it will be trying to control pins that are actually routed to
> another device.  That said, it should be the driver calling into
> SoC-specific code to find out, rather than a global SATA-blocker (what
> if a PCIe SATA card were used?).

i agree with that sentiment, but i'm not about to take on that restructure ;)
-mike
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