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Wayne Chang a973ef25f1 usb: gadget: tegra-xudc: Fix USB3 PHY retrieval logic 
[ Upstream commit 84fa943d93 ]

This commit resolves an issue in the tegra-xudc USB gadget driver that
incorrectly fetched USB3 PHY instances. The problem stemmed from the
assumption of a one-to-one correspondence between USB2 and USB3 PHY
names and their association with physical USB ports in the device tree.

Previously, the driver associated USB3 PHY names directly with the USB3
instance number, leading to mismatches when mapping the physical USB
ports. For instance, if using USB3-1 PHY, the driver expect the
corresponding PHY name as 'usb3-1'. However, the physical USB ports in
the device tree were designated as USB2-0 and USB3-0 as we only have
one device controller, causing a misalignment.

This commit rectifies the issue by adjusting the PHY naming logic.
Now, the driver correctly correlates the USB2 and USB3 PHY instances,
allowing the USB2-0 and USB3-1 PHYs to form a physical USB port pair
while accurately reflecting their configuration in the device tree by
naming them USB2-0 and USB3-0, respectively.

The change ensures that the PHY and PHY names align appropriately,
resolving the mismatch between physical USB ports and their associated
names in the device tree.

Fixes: b4e19931c9 ("usb: gadget: tegra-xudc: Support multiple device modes")
Cc: stable@vger.kernel.org
Signed-off-by: Wayne Chang <waynec@nvidia.com>
Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Link: https://lore.kernel.org/r/20240307030328.1487748-3-waynec@nvidia.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2024-04-03 15:28:28 +02:00
arch powerpc: xor_vmx: Add '-mhard-float' to CFLAGS 2024-04-03 15:28:26 +02:00
block block: Fix page refcounts for unaligned buffers in __bio_release_pages() 2024-04-03 15:28:27 +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 docs: Restore "smart quotes" for quotes 2024-04-03 15:28:22 +02:00
drivers usb: gadget: tegra-xudc: Fix USB3 PHY retrieval logic 2024-04-03 15:28:28 +02:00
fs ext4: fix corruption during on-line resize 2024-04-03 15:28:28 +02:00
include phy: tegra: xusb: Add API to retrieve the port number of phy 2024-04-03 15:28:28 +02:00
init modules: wait do_free_init correctly 2024-03-26 18:19:55 -04:00
io_uring io_uring: fix poll_remove stalled req completion 2024-03-26 18:20:09 -04:00
ipc Add x86 shadow stack support 2023-08-31 12:20:12 -07:00
kernel serial: Lock console when calling into driver before registration 2024-04-03 15:28:26 +02:00
lib pci_iounmap(): Fix MMIO mapping leak 2024-04-03 15:28:17 +02:00
LICENSES LICENSES: Add the copyleft-next-0.3.1 license 2022-11-08 15:44:01 +01:00
mm mm: swap: fix race between free_swap_and_cache() and swapoff() 2024-04-03 15:28:27 +02:00
net mac802154: fix llsec key resources release in mac802154_llsec_key_del 2024-04-03 15:28:27 +02:00
rust rust: upgrade to Rust 1.73.0 2024-02-16 19:10:43 +01:00
samples work around gcc bugs with 'asm goto' with outputs 2024-02-23 09:24:47 +01:00
scripts kconfig: fix infinite loop when expanding a macro at the end of file 2024-03-26 18:20:05 -04:00
security landlock: Warn once if a Landlock action is requested while disabled 2024-04-03 15:28:27 +02:00
sound ASoC: rockchip: i2s-tdm: Fix inaccurate sampling rates 2024-03-26 18:20:07 -04:00
tools selftests/mqueue: Set timeout to 180 seconds 2024-04-03 15:28:20 +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 scripts: add Linux .cocciconfig for coccinelle 2016-07-22 12:13:39 +02:00
.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 COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
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 MAINTAINERS: add Catherine as xfs maintainer for 6.6.y 2024-02-16 19:10:43 +01:00
Makefile Linux 6.6.23 2024-03-26 18:22:53 -04:00
README Drop all 00-INDEX files from Documentation/ 2018-09-09 15:08:58 -06:00

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.