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ata: Disable AHCI ALPM feature for Ampere Computing eMAG SATA
authorSuman Tripathi <stripathi@amperecomputing.com>
Fri, 7 Sep 2018 14:32:17 +0000 (08:32 -0600)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 20 Nov 2019 17:46:06 +0000 (18:46 +0100)
commitcc5f462c1b0813a313cc0cd23351a50adde454e4
tree02cc2772fca14cb02825a4762e9981a0cf92e343tree | snapshot
parent3d5d2f7806a9a685ab8cca3511119755af2645a1commit | diff
ata: Disable AHCI ALPM feature for Ampere Computing eMAG SATA

[ Upstream commit 20bdc376b427cb420836f39ee8f281ea85dbaeef ]

Due to hardware errata, Ampere Computing eMAG SATA can't support
AHCI ALPM feature. This patch disables the AHCI ALPM feature for
eMAG SATA.

Signed-off-by: Suman Trpathi <stripathi@amperecomputing.com>
Signed-off-by: Rameshwar Prasad Sahu <rameshwar.sahu@amperecomputing.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/ata/ahci_platform.c diff | blob | history
Domain: System / Kernel;