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Filename Latest commit message Latest commit date
Masahisa Kojima a3241a91de net: socionext: Add dummy PHY register read in phy_write()
There is a compatibility issue between RTL8211E implemented
in Developerbox and netsec ethernet controller IP.

Our MDIO controller stops MDC clock right after the write
access, but RTL8211E expects MDC clock must be kept toggling
for several clock cycle with MDIO high before entering
the IDLE state. Without keeping clock after write access,
write access is not correctly handled and register is not
updated.

To meet this requirement, netsec driver needs to issue dummy
read(e.g. read PHYID1(offset 0x2) register) right after write
access, to keep MDC clock.

We think this compatibility issue is a problem specific to
our MDIO controller and RTL8211E.

Fixes: 533dd11a12 ("net: socionext: Add Synquacer NetSec driver")
Signed-off-by: Masahisa Kojima <masahisa.kojima@linaro.org>
Signed-off-by: Yoshitoyo Osaki <osaki.yoshitoyo@socionext.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-23 10:55:34 -07:00
arch arm64: dts: stratix10: Support Ethernet Jumbo frame 2018-10-22 20:22:59 -07:00
block block: don't deal with discard limit in blkdev_issue_discard() 2018-10-18 07:23:40 -06:00
certs
crypto
Documentation dt-bindings: net: add support for Microchip KSZ9131 2018-10-19 17:02:23 -07:00
drivers net: socionext: Add dummy PHY register read in phy_write() 2018-10-23 10:55:34 -07:00
firmware
fs Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-10-19 11:03:06 -07:00
include net/wan/fsl_ucc_hdlc: error counters 2018-10-22 19:58:10 -07:00
init
ipc ipc/shm.c: use ERR_CAST() for shm_lock() error return 2018-10-05 16:32:04 -07:00
kernel umh: Add command line to user mode helpers 2018-10-22 19:37:36 -07:00
lib Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-10-19 11:03:06 -07:00
LICENSES LICENSES: Remove CC-BY-SA-4.0 license text 2018-10-18 11:28:50 +02:00
mm mremap: properly flush TLB before releasing the page 2018-10-18 11:30:52 +02:00
net Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf 2018-10-22 20:21:30 -07:00
samples Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-10-12 21:38:46 -07:00
scripts Kbuild fixes for v4.19 (2nd) 2018-10-11 19:23:07 +02:00
security Revert "uapi/linux/keyctl.h: don't use C++ reserved keyword as a struct member name" 2018-09-25 13:28:58 +02:00
sound ALSA: hda/realtek - Cannot adjust speaker's volume on Dell XPS 27 7760 2018-10-04 07:50:48 +02:00
tools tc-tests: test denial of 'goto chain' for exceed traffic in police.json 2018-10-22 19:42:50 -07:00
usr
virt KVM: Remove obsolete kvm_unmap_hva notifier backend 2018-09-07 15:06:02 +02:00
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS tls: Add maintainers 2018-10-22 20:20:35 -07:00
Makefile Linux 4.19-rc8 2018-10-15 07:20:24 +02:00
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.
See Documentation/00-INDEX for a list of what is contained in each file.

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.