1d3efd15e8a43ce2ea91c040f77ef67a0b2b3bc5 - SHIFTPHONES/kernel/common

commit	1d3efd15e8a43ce2ea91c040f77ef67a0b2b3bc5	[log] [tgz]
author	Nadeem Athani <nadeem@cadence.com>	Tue Feb 09 15:46:21 2021 +0100
committer	Greg Kroah-Hartman <gregkh@linuxfoundation.org>	Thu Mar 11 14:17:29 2021 +0100
tree	5377a21c2f0ea7370e43817911c10a9a9b8b5f41
parent	015d38539db9121147682380111f7a460eb46df4 [diff]

PCI: cadence: Retrain Link to work around Gen2 training defect

[ Upstream commit 4740b969aaf58adeca6829947a3ad8da423976cf ]

Cadence controller will not initiate autonomous speed change if strapped
as Gen2. The Retrain Link bit is set as quirk to enable this speed change.

Link: https://lore.kernel.org/r/20210209144622.26683-3-nadeem@cadence.com
Signed-off-by: Nadeem Athani <nadeem@cadence.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

drivers/pci/controller/cadence/pci-j721e.c[diff]
drivers/pci/controller/cadence/pcie-cadence-host.c[diff]
drivers/pci/controller/cadence/pcie-cadence.h[diff]

3 files changed

tree: 5377a21c2f0ea7370e43817911c10a9a9b8b5f41