From mboxrd@z Thu Jan 1 00:00:00 1970 From: John W. Linville Date: Tue, 19 Oct 2010 14:02:24 -0400 Subject: [PATCH] ssb: Clear RETRY_TIMEOUT in PCI Configuration In-Reply-To: <4cbddbab.aeEgjpVFDD9GDTuy%Larry.Finger@lwfinger.net> References: <4cbddbab.aeEgjpVFDD9GDTuy%Larry.Finger@lwfinger.net> Message-ID: <20101019180224.GB2441@tuxdriver.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: b43-dev@lists.infradead.org On Tue, Oct 19, 2010 at 12:55:55PM -0500, Larry Finger wrote: > MMIO log traces obtained using the Broadcom wl hybrid driver show that > the RETRY_TIMEOUT register (0x41) in PCI configuration space is cleared > if non-zero. Similar code found in other drivers such as ipw2100 show > this operation is needed to keep PCI Tx retries from interfering with > C3 CPU state. There are no known cases where omission of this code has > caused a problem, but this patch is offered just in case such a situation > occurs. > > Signed-off-by: Larry Finger > --- > > John, > > No particular urgency for this patch. > > Larry I nearly missed it! Please do Cc linux-wireless at vger.kernel.org on patches. John -- John W. Linville Someday the world will need a hero, and you linville at tuxdriver.com might be all we have. Be ready.