This is a note to let you know that I've just added the patch titled igb: Fix lack of flush after register write and before delay
to the 3.0-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: igb-fix-lack-of-flush-after-register-write-and-before-delay.patch and it can be found in the queue-3.0 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <sta...@kernel.org> know about it. >From 064b43304ed8ede8e13ff7b4338d09fd37bcffb1 Mon Sep 17 00:00:00 2001 From: Carolyn Wyborny <carolyn.wybo...@intel.com> Date: Sat, 25 Jun 2011 13:18:12 +0000 Subject: igb: Fix lack of flush after register write and before delay From: Carolyn Wyborny <carolyn.wybo...@intel.com> commit 064b43304ed8ede8e13ff7b4338d09fd37bcffb1 upstream. Register writes followed by a delay are required to have a flush before the delay in order to commit the values to the register. Without the flush, the code following the delay may not function correctly. Reported-by: Tong Ho <tong...@ericsson.com> Reported-by: Guenter Roeck <guenter.ro...@ericsson.com> Signed-off-by: Carolyn Wyborny <carolyn.wybo...@intel.com> Tested-by: Aaron Brown <aaron.f.br...@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirs...@intel.com> Signed-off-by: Greg Kroah-Hartman <gre...@suse.de> --- drivers/net/igb/e1000_82575.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/net/igb/e1000_82575.c +++ b/drivers/net/igb/e1000_82575.c @@ -1735,6 +1735,7 @@ static s32 igb_reset_hw_82580(struct e10 ctrl |= E1000_CTRL_RST; wr32(E1000_CTRL, ctrl); + wrfl(); /* Add delay to insure DEV_RST has time to complete */ if (global_device_reset) Patches currently in stable-queue which might be from carolyn.wybo...@intel.com are queue-3.0/igb-fix-lack-of-flush-after-register-write-and-before-delay.patch _______________________________________________ stable mailing list stable@linux.kernel.org http://linux.kernel.org/mailman/listinfo/stable