From: Matthew Garrett <mjg59@srcf.ucam.org>
To: Arend van Spriel <arend@broadcom.com>
Cc: "linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>,
Brett Rudley <brudley@broadcom.com>,
Henry Ptasinski <henryp@broadcom.com>,
Roland Vossen <rvossen@broadcom.com>,
"Franky (Zhenhui) Lin" <frankyl@broadcom.com>
Subject: Re: brcmsmac hangs machine if loaded after busmastering disabled
Date: Wed, 18 Apr 2012 16:37:28 +0100 [thread overview]
Message-ID: <20120418153728.GA32224@srcf.ucam.org> (raw)
In-Reply-To: <4F8EDDE6.9080802@broadcom.com>
On Wed, Apr 18, 2012 at 05:29:42PM +0200, Arend van Spriel wrote:
> I am not sure, but D3 is a good guess. It is all a workaround as the
> real fix should be in Apple's UEFI implementation. I think it is
> unlikely we can make them do that although we probably supplied them
> the wireless part.
Disabling busmastering and then D3ing the device once in the kernel
didn't seem to work, but putting the device in D3 while in the firmware
(and leaving busmastering enabled) seems to avoid the problem.
--
Matthew Garrett | mjg59@srcf.ucam.org
next prev parent reply other threads:[~2012-04-18 15:37 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-19 21:51 Matthew Garrett
2012-04-11 11:45 ` brcmsmac hangs machine if loaded after busmastering disabled Arend van Spriel
2012-04-11 11:51 ` Matthew Garrett
2012-04-18 11:32 ` Arend van Spriel
2012-04-18 12:34 ` Matthew Garrett
2012-04-18 15:29 ` Arend van Spriel
2012-04-18 15:37 ` Matthew Garrett [this message]
2012-04-18 16:35 ` Arend van Spriel
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