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Date: Fri, 01 Jun 2012 22:17:08 +0100 From: Chris Boot <bootc@...tc.net> To: Chris Boot <bootc@...tc.net> CC: e1000-devel@...ts.sourceforge.net, netdev@...r.kernel.org, linux-kernel@...r.kernel.org, nix@...eri.org.uk, carolyn.wyborny@...el.com, stable@...r.kernel.org Subject: Re: [PATCH 1/2] e1000e: Disable ASPM L1 on 82574 On 23/04/2012 22:29, Chris Boot wrote: > ASPM on the 82574 causes trouble. Currently the driver disables L0s for > this NIC but only disables L1 if the MTU is >1500. This patch simply > causes L1 to be disabled regardless of the MTU setting. > > Signed-off-by: Chris Boot <bootc@...tc.net> > Cc: "Wyborny, Carolyn" <carolyn.wyborny@...el.com> > Cc: Nix <nix@...eri.org.uk> > Link: https://lkml.org/lkml/2012/3/19/362 > --- > drivers/net/ethernet/intel/e1000e/82571.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/drivers/net/ethernet/intel/e1000e/82571.c b/drivers/net/ethernet/intel/e1000e/82571.c > index b3fdc69..c6d95f2 100644 > --- a/drivers/net/ethernet/intel/e1000e/82571.c > +++ b/drivers/net/ethernet/intel/e1000e/82571.c > @@ -2061,8 +2061,9 @@ const struct e1000_info e1000_82574_info = { > | FLAG_HAS_SMART_POWER_DOWN > | FLAG_HAS_AMT > | FLAG_HAS_CTRLEXT_ON_LOAD, > - .flags2 = FLAG2_CHECK_PHY_HANG > + .flags2 = FLAG2_CHECK_PHY_HANG > | FLAG2_DISABLE_ASPM_L0S > + | FLAG2_DISABLE_ASPM_L1 > | FLAG2_NO_DISABLE_RX, > .pba = 32, > .max_hw_frame_size = DEFAULT_JUMBO, Now that this patch is in master (d4a4206e) and has presumably been widely tested, what's the possibility of it making it into stable? I really should have included a CC to stable when I sent it... This patch should probably also be accompanied with 59aed952 (e1000e: Remove special case for 82573/82574 ASPM L1 disablement) on top, to remove a special case that's no longer required once this is applied. Thanks, Chris -- Chris Boot bootc@...tc.net -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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