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Mathias Nyman bcd191d7ba xhci: add support to allocate several interrupters 
[ Upstream commit c99b38c412 ]

Modify the XHCI drivers to accommodate for handling multiple event rings in
case there are multiple interrupters.  Add the required APIs so clients are
able to allocate/request for an interrupter ring, and pass this information
back to the client driver.  This allows for users to handle the resource
accordingly, such as passing the event ring base address to an audio DSP.
There is no actual support for multiple MSI/MSI-X vectors.

[export xhci_initialize_ring_info() -wcheng]

Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Wesley Cheng <quic_wcheng@quicinc.com>
Link: https://lore.kernel.org/r/20240102214549.22498-2-quic_wcheng@quicinc.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Stable-dep-of: bea5892d0e ("xhci: Limit time spent with xHC interrupts disabled during bus resume")
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2025-05-09 09:44:06 +02:00
arch arm64: dts: st: Use 128kB size for aliased GIC400 register access on stm32mp25 SoCs 2025-05-09 09:44:05 +02:00
block block: fix resource leak in blk_register_queue() error path 2025-04-25 10:45:42 +02:00
certs sign-file,extract-cert: use pkcs11 provider for OPENSSL MAJOR >= 3 2025-04-25 10:45:58 +02:00
crypto crypto: null - Use spin lock instead of mutex 2025-05-02 07:50:52 +02:00
Documentation sched/topology: Consolidate and clean up access to a CPU's max compute capacity 2025-05-02 07:50:41 +02:00
drivers xhci: add support to allocate several interrupters 2025-05-09 09:44:06 +02:00
fs smb: client: fix zero length for mkdir POSIX create context 2025-05-09 09:43:53 +02:00
include ALSA: ump: Fix buffer overflow at UMP SysEx message conversion 2025-05-09 09:44:00 +02:00
init sched/isolation: Make CONFIG_CPU_ISOLATION depend on CONFIG_SMP 2025-05-02 07:50:57 +02:00
io_uring io_uring: always do atomic put from iowq 2025-05-02 07:50:57 +02:00
ipc ipc: fix memleak if msg_init_ns failed in create_ipc_ns 2024-12-09 10:32:54 +01:00
kernel bpf: fix null dereference when computing changes_pkt_data of prog w/o subprogs 2025-05-09 09:43:55 +02:00
lib ubsan: Fix panic from test_ubsan_out_of_bounds 2025-05-02 07:51:02 +02:00
LICENSES LICENSES: Add the copyleft-next-0.3.1 license 2022-11-08 15:44:01 +01:00
mm mm/memblock: repeat setting reserved region nid if array is doubled 2025-05-09 09:43:51 +02:00
net sch_ets: make est_qlen_notify() idempotent 2025-05-09 09:44:04 +02:00
rust rust: lockdep: Remove support for dynamically allocated LockClassKeys 2025-03-22 12:50:50 -07:00
samples tracing: Verify event formats that have "%*p.." 2025-05-02 07:50:37 +02:00
scripts objtool: Silence more KCOV warnings, part 2 2025-05-02 07:51:04 +02:00
security landlock: Add the errata interface 2025-04-25 10:45:57 +02:00
sound ASoC: soc-core: Stop using of_property_read_bool() for non-boolean properties 2025-05-09 09:44:03 +02:00
tools selftests/bpf: extend changes_pkt_data with cases w/o subprograms 2025-05-09 09:43:55 +02:00
usr kbuild: hdrcheck: fix cross build with clang 2025-03-13 12:58:38 +01:00
virt KVM: Use dedicated mutex to protect kvm_usage_count to avoid deadlock 2024-10-04 16:29:47 +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 Remove *.orig pattern from .gitignore 2024-10-04 16:29:44 +02:00
.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 sign-file,extract-cert: move common SSL helper functions to a header 2025-04-25 10:45:57 +02:00
Makefile Linux 6.6.89 2025-05-02 07:51:05 +02:00
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.