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Robert Hancock 39bf132a6e phy: xilinx: zynqmp: Fix bus width setting for SGMII 
[ Upstream commit 37291f60d0 ]

TX_PROT_BUS_WIDTH and RX_PROT_BUS_WIDTH are single registers with
separate bit fields for each lane. The code in xpsgtr_phy_init_sgmii was
not preserving the existing register value for other lanes, so enabling
the PHY in SGMII mode on one lane zeroed out the settings for all other
lanes, causing other PS-GTR peripherals such as USB3 to malfunction.

Use xpsgtr_clr_set to only manipulate the desired bits in the register.

Fixes: 4a33bea003 ("phy: zynqmp: Add PHY driver for the Xilinx ZynqMP Gigabit Transceiver")
Signed-off-by: Robert Hancock <robert.hancock@calian.com>
Acked-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Link: https://lore.kernel.org/r/20220126001600.1592218-1-robert.hancock@calian.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2022-02-16 12:54:23 +01:00
arch ARM: dts: imx6qdl-udoo: Properly describe the SD card detect 2022-02-16 12:54:23 +01:00
block block: bio-integrity: Advance seed correctly for larger interval sizes 2022-02-08 18:30:35 +01:00
certs certs: Trigger creation of RSA module signing key if it's not an RSA key 2021-09-15 09:50:29 +02:00
crypto crypto: api - Move cryptomgr soft dependency into algapi 2022-02-11 09:09:03 +01:00
Documentation ARM: dts: Fix timer regression for beagleboard revision c 2022-02-16 12:54:22 +01:00
drivers phy: xilinx: zynqmp: Fix bus width setting for SGMII 2022-02-16 12:54:23 +01:00
fs NFSv4 handle port presence in fs_location server string 2022-02-16 12:54:18 +01:00
include PM: s2idle: ACPI: Fix wakeup interrupts handling 2022-02-16 12:54:22 +01:00
init bpf: Add kconfig knob for disabling unpriv bpf by default 2022-01-05 12:40:34 +01:00
ipc shm: extend forced shm destroy to support objects from several IPC nses 2021-12-01 09:19:10 +01:00
kernel PM: s2idle: ACPI: Fix wakeup interrupts handling 2022-02-16 12:54:22 +01:00
lib lib/test_meminit: destroy cache in kmem_cache_alloc_bulk() test 2022-01-27 10:54:36 +01:00
LICENSES LICENSES/deprecated: add Zlib license text 2020-09-16 14:33:49 +02:00
mm mm/kmemleak: avoid scanning potential huge holes 2022-02-08 18:30:35 +01:00
net net: sched: Clarify error message when qdisc kind is unknown 2022-02-16 12:54:19 +01:00
samples ftrace/samples: Add missing prototypes direct functions 2022-01-11 15:25:00 +01:00
scripts scripts: sphinx-pre-install: Fix ctex support on Debian 2022-01-27 10:54:36 +01:00
security ima: Do not print policy rule with inactive LSM labels 2022-02-16 12:54:16 +01:00
sound ASoC: max9759: fix underflow in speaker_gain_control_put() 2022-02-08 18:30:38 +01:00
tools selftests: nft_concat_range: add test for reload with no element add/del 2022-02-08 18:30:41 +01:00
usr usr/include/Makefile: add linux/nfc.h to the compile-test coverage 2022-02-01 17:25:48 +01:00
virt KVM: eventfd: Fix false positive RCU usage warning 2022-02-16 12:54:20 +01:00
.clang-format RDMA 5.10 pull request 2020-10-17 11:18:18 -07:00
.cocciconfig
.get_maintainer.ignore Opt out of scripts/get_maintainer.pl 2019-05-16 10:53:40 -07:00
.gitattributes .gitattributes: use 'dts' diff driver for dts files 2019-12-04 19:44:11 -08:00
.gitignore kbuild: generate Module.symvers only when vmlinux exists 2021-05-19 10:12:59 +02:00
.mailmap mailmap: add two more addresses of Uwe Kleine-König 2020-12-06 10:19:07 -08:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS MAINTAINERS: Move Jason Cooper to CREDITS 2020-11-30 10:20:34 +01:00
Kbuild kbuild: rename hostprogs-y/always to hostprogs/always-y 2020-02-04 01:53:07 +09:00
Kconfig kbuild: ensure full rebuild when the compiler is updated 2020-05-12 13:28:33 +09:00
MAINTAINERS MAINTAINERS: adjust GCC PLUGINS after gcc-plugin.sh removal 2021-12-14 11:32:46 +01:00
Makefile Linux 5.10.100 2022-02-11 09:09:03 +01:00
README

README 

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.