From: "Arend van Spriel" <arend@broadcom•com>
To: "Linus Torvalds" <torvalds@linux-foundation•org>
Cc: "Larry Finger" <Larry.Finger@lwfinger•net>,
"Alwin Beukers" <alwin@broadcom•com>,
"Roland Vossen" <rvossen@broadcom•com>,
"John W. Linville" <linville@tuxdriver•com>,
"Network Development" <netdev@vger•kernel.org>,
"Franky (Zhenhui) Lin" <frankyl@broadcom•com>,
"Rafał Miłecki" <zajec5@gmail•com>
Subject: Re: brcm80211 breakage..
Date: Thu, 12 Jan 2012 20:46:31 +0100 [thread overview]
Message-ID: <4F0F3897.7040200@broadcom.com> (raw)
In-Reply-To: <CA+55aFx2UnVZP1Z44dMHeifB2nD1zJ87kz25zZjUdwv0ozwKPA@mail.gmail.com>
On 01/12/2012 08:00 PM, Linus Torvalds wrote:
> On Wed, Jan 11, 2012 at 11:13 PM, Linus Torvalds
> <torvalds@linux-foundation•org> wrote:
>>
>> All the BCMA changes make the revert somewhat non-trivial, could
>> somebody who knows the code better please try to do it for me? It
>> doesn't look complicated, and I can try to do it myself tomorrow if
>> nobody else steps up, but I'd *really* prefer the guilty parties
>> themselves to do it, ok?
>
> Since I had the hardware to test, I could work on this and try to
> figure out exactly what went wrong in that commit.
I was trying to get my hands on a card with SPROM to dig in and I still
intend to get it because Apples are no pears.
> The problem seems to be simple: the SPROM contents *have* to be read
> as aligned 16-bit words. Anything else seems to return 0xff and just
> fails the transaction.
I was already wondering what aspect of the patch was causing the issue.
The transaction size requirement seems likely and I was not aware.
> I didn't check all the combinations, of course, so who knows what the
> exact details are, but it does look like the sprom has very limited
> pci decode and simply refuses to touch anything but the one case it
> can handle.
>
> I'll send out a patch that seems to get things to a working state for
> me. At least I have wireless connectivity again, I don't know if there
> are some other problems remaining.
>
> Linus
>
Thanks for putting the effort into this in the middle of a merge window.
Gr. AvS
next prev parent reply other threads:[~2012-01-12 19:46 UTC|newest]
Thread overview: 89+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-10 20:15 brcm80211 breakage Linus Torvalds
2012-01-11 10:44 ` Arend van Spriel
2012-01-11 15:05 ` Linus Torvalds
2012-01-11 16:04 ` Linus Torvalds
2012-01-11 17:00 ` Larry Finger
2012-01-12 1:06 ` Linus Torvalds
2012-01-12 1:46 ` Larry Finger
2012-01-12 1:58 ` Linus Torvalds
2012-01-12 2:11 ` Linus Torvalds
2012-01-12 4:15 ` Larry Finger
2012-01-12 5:20 ` Linus Torvalds
2012-01-12 5:30 ` Linus Torvalds
2012-01-12 7:08 ` Rafał Miłecki
2012-01-12 7:10 ` Rafał Miłecki
2012-01-12 7:18 ` Linus Torvalds
2012-01-12 15:39 ` Larry Finger
2012-01-12 15:46 ` Rafał Miłecki
2012-01-12 7:13 ` Linus Torvalds
2012-01-12 7:18 ` Rafał Miłecki
2012-01-12 7:22 ` Linus Torvalds
2012-01-12 10:03 ` Arend van Spriel
2012-01-12 15:51 ` Linus Torvalds
2012-01-12 19:00 ` Linus Torvalds
2012-01-12 19:08 ` Linus Torvalds
2012-01-12 20:09 ` Arend van Spriel
2012-01-12 20:27 ` Linus Torvalds
2012-01-12 20:36 ` Arend van Spriel
2012-01-12 22:38 ` Linus Torvalds
2012-01-12 22:42 ` Rafał Miłecki
2012-01-12 22:45 ` Linus Torvalds
2012-01-12 23:04 ` Rafał Miłecki
2012-01-13 0:13 ` Linus Torvalds
2012-01-13 2:30 ` Linus Torvalds
2012-01-13 5:34 ` Linus Torvalds
2012-01-13 6:50 ` Rafał Miłecki
2012-01-13 6:57 ` Rafał Miłecki
2012-01-13 7:17 ` Linus Torvalds
2012-01-13 7:41 ` [PATCH] bcma: s&r: NULL mapped core Rafał Miłecki
2012-01-13 7:53 ` Linus Torvalds
2012-01-13 7:59 ` [0/5] bcma/brcmsmac suspend/resume cleanups and fixes Linus Torvalds
2012-01-13 8:00 ` [PATCH 1/5] bcma: convert suspend/resume to pm_ops Linus Torvalds
2012-01-13 9:58 ` Arend van Spriel
2012-01-13 10:01 ` Rafał Miłecki
2012-01-13 8:00 ` [PATCH 2/5] bcma: add stub for bcma_bus suspend() Linus Torvalds
2012-01-13 8:01 ` [PATCH 3/5] bcma: connect the bcma bus suspend/resume to the bcma driver suspend/resume Linus Torvalds
2012-01-13 8:01 ` [PATCH 4/5] brcmsmac: remove PCI suspend/resume from bcma driver Linus Torvalds
2012-01-13 9:59 ` Arend van Spriel
2012-01-13 8:02 ` [PATCH 5/5] bcma: invalidate the mapped window over suspend/resume Linus Torvalds
2012-01-13 10:03 ` [0/5] bcma/brcmsmac suspend/resume cleanups and fixes Rafał Miłecki
2012-01-13 16:15 ` Linus Torvalds
2012-01-13 11:06 ` Arend van Spriel
2012-01-13 16:23 ` Linus Torvalds
2012-01-14 3:50 ` Linus Torvalds
2012-01-14 12:22 ` Dominique Martinet
2012-01-14 14:34 ` Rafał Miłecki
2012-01-14 15:07 ` Dominique Martinet
2012-01-14 19:15 ` Linus Torvalds
2012-01-14 23:08 ` Dominique Martinet
2012-01-14 23:28 ` Linus Torvalds
2012-01-14 17:36 ` Arend van Spriel
2012-01-16 14:00 ` Arend van Spriel
2012-01-16 17:33 ` Arend van Spriel
2012-01-17 1:12 ` Linus Torvalds
2012-01-17 10:37 ` Arend van Spriel
2012-01-19 9:42 ` Arend van Spriel
2012-01-19 12:12 ` Arend van Spriel
2012-01-19 16:15 ` Linus Torvalds
2012-01-13 7:13 ` brcm80211 breakage Linus Torvalds
2012-01-12 19:46 ` Arend van Spriel [this message]
2012-01-13 1:53 ` Larry Finger
2012-01-31 12:08 ` Henrik Rydberg
2012-01-31 17:02 ` Linus Torvalds
2012-01-31 19:08 ` Arend van Spriel
2012-01-31 19:25 ` John W. Linville
2012-01-31 19:35 ` Arend van Spriel
2012-01-31 19:58 ` Henrik Rydberg
2012-01-31 20:21 ` Arend van Spriel
2012-01-31 22:23 ` Henrik Rydberg
2012-01-31 19:36 ` Henrik Rydberg
2012-01-31 19:49 ` Arend van Spriel
2012-01-12 13:13 ` Arend van Spriel
2012-01-12 16:22 ` Larry Finger
2012-01-12 17:18 ` Larry Finger
2012-01-12 17:31 ` Linus Torvalds
2012-01-12 17:44 ` Larry Finger
2012-01-11 21:01 ` Arend van Spriel
2012-01-12 0:07 ` Linus Torvalds
2012-01-11 17:15 ` Ben Hutchings
2012-01-12 0:10 ` Linus Torvalds
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