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Vladimir Oltean 547b006d19 net: fec: delete fec_ptp_disable_hwts() 
Commit 340746398b ("net: fec: fix hardware time stamping by external
devices") was overly cautious with calling fec_ptp_disable_hwts() when
cmd == SIOCSHWTSTAMP and use_fec_hwts == false, because use_fec_hwts is
based on a runtime invariant (phy_has_hwtstamp()). Thus, if use_fec_hwts
is false, then fep->hwts_tx_en and fep->hwts_rx_en cannot be changed at
runtime; their values depend on the initial memory allocation, which
already sets them to zeroes.

If the core will ever gain support for switching timestamping layers,
it will arrange for a more organized calling convention and disable
timestamping in the previous layer as a first step. This means that the
code in the FEC driver is not necessary in any case.

The purpose of this change is to arrange the phy_has_hwtstamp() code in
a way in which it can be refactored away into generic logic.

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Reviewed-by: Wei Fang <wei.fang@nxp.com>
Link: https://lore.kernel.org/r/20230801142824.1772134-8-vladimir.oltean@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-08-02 19:11:06 -07:00
arch riscv: dts: allwinner: d1: Add CAN controller nodes 2023-07-28 08:47:18 +02:00
block block-6.5-2023-07-21 2023-07-22 11:05:15 -07:00
certs KEYS: Add missing function documentation 2023-04-24 16:15:52 +03:00
crypto crypto: algif_hash - Fix race between MORE and non-MORE sends 2023-07-08 22:48:42 +10:00
Documentation dt-bindings: net: Add ICSSG Ethernet 2023-08-02 10:38:11 +01:00
drivers net: fec: delete fec_ptp_disable_hwts() 2023-08-02 19:11:06 -07:00
fs Networking fixes for 6.5-rc4, including fixes from can, netfilter 2023-07-27 12:27:37 -07:00
include net: add hwtstamping helpers for stackable net devices 2023-08-02 19:11:05 -07:00
init Kbuild updates for v6.5 2023-07-01 09:24:31 -07:00
io_uring io_uring-6.5-2023-07-21 2023-07-22 10:46:30 -07:00
ipc Merge branch 'work.namespace' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2023-02-24 19:20:07 -08:00
kernel tcx: Fix splat during dev unregister 2023-07-31 14:44:02 -07:00
lib netfilter net-next pull request 2023-07-27 2023-07-27 20:25:43 -07:00
LICENSES LICENSES: Add the copyleft-next-0.3.1 license 2022-11-08 15:44:01 +01:00
mm memblock: reset memblock.reserved to system init state to prevent UAF 2023-07-27 11:37:34 -07:00
net net: vlan: convert to ndo_hwtstamp_get() / ndo_hwtstamp_set() 2023-08-02 19:11:05 -07:00
rust rust: error: impl Debug for Error with errname() integration 2023-06-13 01:24:42 +02:00
samples samples/bpf: README: Update build dependencies required 2023-07-18 17:29:43 -07:00
scripts Kbuild fixes for v6.5 2023-07-23 14:55:41 -07:00
security Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2023-07-20 15:52:55 -07:00
sound ASoC: Fixes for v6.5 2023-07-20 15:16:11 +02:00
tools selftests/net: report rcv_mss in tcp_mmap 2023-08-02 11:40:49 +01:00
usr initramfs: Encode dependency on KBUILD_BUILD_TIMESTAMP 2023-06-06 17:54:49 +09:00
virt ARM64: 2023-07-03 15:32:22 -07:00
.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 Revert ".gitignore: ignore *.cover and *.mbx" 2023-07-04 15:05:12 -07:00
.mailmap Including fixes from BPF, netfilter, bluetooth and CAN. 2023-07-20 14:46:39 -07:00
.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 - Address -Wmissing-prototype warnings 2023-06-26 16:43:54 -07:00
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 myself as maintainer of the ems_pci.c driver 2023-07-28 08:47:18 +02:00
Makefile Linux 6.5-rc3 2023-07-23 15:24:10 -07:00
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.