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Sebastian Reichel 1da7f6abd3 phy: rockchip: naneng-combphy: Fix mux on rk3588 
[ Upstream commit d16d4002fe ]

The pcie1l0_sel and pcie1l1_sel bits in PCIESEL_CON configure the
mux for PCIe1L0 and PCIe1L1 to either the PIPE Combo PHYs or the
PCIe3 PHY. Thus this configuration interfers with the data-lanes
configuration done by the PCIe3 PHY.

RK3588 has three Combo PHYs. The first one has a dedicated PCIe
controller and is not affected by this. For the other two Combo
PHYs, there is one mux for each of them.

pcie1l0_sel selects if PCIe 1L0 is muxed to Combo PHY 1 when
bit is set to 0 or to the PCIe3 PHY when bit is set to 1.

pcie1l1_sel selects if PCIe 1L1 is muxed to Combo PHY 2 when
bit is set to 0 or to the PCIe3 PHY when bit is set to 1.

Currently the code always muxes 1L0 and 1L1 to the Combi PHYs
once one of them is being used in PCIe mode. This is obviously
wrong when at least one of the ports should be muxed to the
PCIe3 PHY.

Fix this by introducing Combo PHY identification and then only
setting up the required bit.

Fixes: a03c442772 ("phy: rockchip: Add naneng combo phy support for RK3588")
Reported-by: Michal Tomek <mtdev79b@gmail.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Link: https://lore.kernel.org/r/20240404-rk3588-pcie-bifurcation-fixes-v1-3-9907136eeafd@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-05-02 16:32:48 +02:00
arch x86/tdx: Preserve shared bit on mprotect() 2024-05-02 16:32:47 +02:00
block block: fix q->blkg_list corruption during disk rebind 2024-04-17 11:19:28 +02:00
certs certs: Reference revocation list for all keyrings 2023-08-17 20:12:41 +00:00
crypto crypto: jitter - fix CRYPTO_JITTERENTROPY help text 2024-03-26 18:19:52 -04:00
Documentation mm, treewide: introduce NR_PAGE_ORDERS 2024-05-02 16:32:41 +02:00
drivers phy: rockchip: naneng-combphy: Fix mux on rk3588 2024-05-02 16:32:48 +02:00
fs btrfs: fix information leak in btrfs_ioctl_logical_to_ino() 2024-05-02 16:32:44 +02:00
include mm: turn folio_test_hugetlb into a PageType 2024-05-02 16:32:47 +02:00
init rust: make mutually exclusive with CFI_CLANG 2024-05-02 16:32:42 +02:00
io_uring io_uring: Fix io_cqring_wait() not restoring sigmask on get_timespec64() failure 2024-04-27 17:11:30 +02:00
ipc Add x86 shadow stack support 2023-08-31 12:20:12 -07:00
kernel mm: turn folio_test_hugetlb into a PageType 2024-05-02 16:32:47 +02:00
lib stackdepot: respect __GFP_NOLOCKDEP allocation flag 2024-05-02 16:32:46 +02:00
LICENSES LICENSES: Add the copyleft-next-0.3.1 license 2022-11-08 15:44:01 +01:00
mm mm: turn folio_test_hugetlb into a PageType 2024-05-02 16:32:47 +02:00
net udp: preserve the connected status if only UDP cmsg 2024-05-02 16:32:46 +02:00
rust rust: remove params from module macro example 2024-05-02 16:32:42 +02:00
samples work around gcc bugs with 'asm goto' with outputs 2024-02-23 09:24:47 +01:00
scripts kbuild: rust: force alloc extern to allow "empty" Rust files 2024-05-02 16:32:42 +02:00
security selinux: avoid dereference of garbage after mount failure 2024-04-10 16:35:48 +02:00
sound ALSA: hda/realtek - Enable audio jacks of Haier Boyue G42 with ALC269VC 2024-04-27 17:11:38 +02:00
tools selftests/seccomp: Handle EINVAL on unshare(CLONE_NEWPID) 2024-05-02 16:32:42 +02:00
usr initramfs: Encode dependency on KBUILD_BUILD_TIMESTAMP 2023-06-06 17:54:49 +09:00
virt KVM: Always flush async #PF workqueue when vCPU is being destroyed 2024-04-03 15:28:18 +02:00
.clang-format iommu: Add for_each_group_device() 2023-05-23 08:15:51 +02:00
.cocciconfig
.get_maintainer.ignore get_maintainer: add Alan to .get_maintainer.ignore 2022-08-20 15:17:44 -07:00
.gitattributes .gitattributes: set diff driver for Rust source code files 2023-05-31 17:48:25 +02:00
.gitignore kbuild: rpm-pkg: rename binkernel.spec to kernel.spec 2023-07-25 00:59:33 +09:00
.mailmap 20 hotfixes. 12 are cc:stable and the remainder address post-6.5 issues 2023-10-24 09:52:16 -10:00
.rustfmt.toml rust: add .rustfmt.toml 2022-09-28 09:02:20 +02:00
COPYING
CREDITS USB: Remove Wireless USB and UWB documentation 2023-08-09 14:17:32 +02:00
Kbuild Kbuild updates for v6.1 2022-10-10 12:00:45 -07:00
Kconfig kbuild: ensure full rebuild when the compiler is updated 2020-05-12 13:28:33 +09:00
MAINTAINERS ALSA: scarlett2: Rename scarlett_gen2 to scarlett2 2024-04-27 17:11:36 +02:00
Makefile Linux 6.6.29 2024-04-27 17:11:44 +02:00
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.