netdev - Re: brcm80211 breakage..

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Message-ID: <CA+55aFyR9C8GjhKb8orr1kgd_G23=-mcmT-uz9zJd6wk7rYDPA@mail.gmail.com>
Date:	Wed, 11 Jan 2012 18:11:46 -0800
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Larry Finger <Larry.Finger@...inger.net>
Cc:	Arend van Spriel <arend@...adcom.com>,
	"John W. Linville" <linville@...driver.com>,
	Network Development <netdev@...r.kernel.org>,
	"Franky (Zhenhui) Lin" <frankyl@...adcom.com>,
	Rafał Miłecki <zajec5@...il.com>
Subject: Re: brcm80211 breakage..

On Wed, Jan 11, 2012 at 5:46 PM, Larry Finger <Larry.Finger@...inger.net> wrote:
>
> OK. The SPROM issue is not completely irrelevant as that has to be correct,
> but obviously not sufficient.

Hmm. Having dug a bit deeper, I do think it's kind of related.

I get -ENODATA form sprom_read_pci(), but that function actually seems
to get the offset *right*.

Some printout shows that for that chip, I have

 - ai_get_ccrev(sih) = 34
 - sprom_offset = 0x800

but then it apparently reads all ones anyway. At least in the first
word. So then I get that -ENODATA error.

So once more, it's somehow related to the sprom, just in a new place:
sprom_read_pci() in brcmsmac/srom.c instead of drivers/bcma/sprom.c.

Does that give people any new ideas to try out?

                      Linus
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