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Sasha Neftin 68c4fe2ef0 e1000e: Fix possible HW unit hang after an s0ix exit

[ Upstream commit 1866aa0d0d ]

Disable the OEM bit/Gig Disable/restart AN impact and disable the PHY
LAN connected device (LCD) reset during power management flows. This
fixes possible HW unit hangs on the s0ix exit on some corporate ADL
platforms.

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=214821
Fixes: 3e55d23171 ("e1000e: Add handshake with the CSME to support S0ix")
Suggested-by: Dima Ruinskiy <dima.ruinskiy@intel.com>
Suggested-by: Nir Efrati <nir.efrati@intel.com>
Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Tested-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

2022-03-08 19:12:52 +01:00

80003es2lan.c

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80003es2lan.h

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82571.c

e1000e: Fix error handling in e1000_set_d0_lplu_state_82571

2021-03-11 09:37:48 -08:00

82571.h

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defines.h

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