Re: [PATCH 1/7] PCI PM: Fix handling of devices without drivers

From: Rafael J. Wysocki
Date: Wed Feb 04 2009 - 07:13:16 EST


On Wednesday 04 February 2009, Benjamin Herrenschmidt wrote:
> On Tue, 2009-02-03 at 18:23 -0800, Linus Torvalds wrote:
> > Whaa? This is basically totally obfuscated code both in the caller _and_
> > in the callee.
> >
> > Now, it looks like this all then goes away in PATCH 7/7, so I guess I
> > shouldn't complain too much, but I just don't see much point in carrying
> > this broken patch around in the series, since it's then going away and
> > rewritten almost immediately again.
> >
> > Apart from that complaints, Acked-by: for the series.
>
> Same comments. It took me a while to figure the logic out, which I end
> up agreeing with but the code is pretty obfuscated ... And yes, patch 7
> seems to improve things, but then, that makes reading the patch itself
> nearly impossible :-) I ended up patching the file and -then- reading
> it.

Well, yeah, sorry. I should have been more careful.

> I tried the whole thing on various powerbooks, along with some patches
> I'm about to send for radeonfb, atyfb and aty128fb to make them properly
> call pci_save_state() before they hand-change the D state, and things
> appear to be working fine. (well, appart from some unrelated problems
> leading to some might_sleep() hits but as I said, they are unrelated to
> this series)
>
> I need a couple more tests of the fbdev patches on some machine variants
> and once done, I'll post them out. Hopefully tonight.

Thanks a lot for your help!

Best,
Rafael
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/