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Alexandre Belloni b1224761fc net: macb: Properly handle phylink on at91rm9200 
[ Upstream commit ac2fcfa9fd ]

at91ether_init was handling the phy mode and speed but since the switch to
phylink, the NCFGR register got overwritten by macb_mac_config(). The issue
is that the RM9200_RMII bit and the MACB_CLK_DIV32 field are cleared
but never restored as they conflict with the PAE, GBE and PCSSEL bits.

Add new capability to differentiate between EMAC and the other versions of
the IP and use it to set and avoid clearing the relevant bits.

Also, this fixes a NULL pointer dereference in macb_mac_link_up as the EMAC
doesn't use any rings/bufffers/queues.

Fixes: 7897b071ac ("net: macb: convert to phylink")
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2020-03-05 16:45:03 +01:00
arch s390/mm: Explicitly compare PAGE_DEFAULT_KEY against zero in storage_key_init_range 2020-02-28 17:23:45 +01:00
block block, bfq: do not plug I/O for bfq_queues with no proc refs 2020-02-24 08:38:09 +01:00
certs certs: Add wrapper function to check blacklisted binary hash 2019-11-12 12:25:50 +11:00
crypto crypto: rename sm3-256 to sm3 in hash_algo_name 2020-02-28 17:23:43 +01:00
Documentation mm: Avoid creating virtual address aliases in brk()/mmap()/mremap() 2020-02-28 17:23:37 +01:00
drivers net: macb: Properly handle phylink on at91rm9200 2020-03-05 16:45:03 +01:00
fs io_uring: fix __io_iopoll_check deadlock in io_sq_thread 2020-02-28 17:23:43 +01:00
include net: export netdev_next_lower_dev_rcu() 2020-03-05 16:45:02 +01:00
init Revert "um: Enable CONFIG_CONSTRUCTORS" 2020-02-01 09:33:00 +00:00
ipc Revert "ipc,sem: remove uneeded sem_undo_list lock usage in exit_sem()" 2020-02-28 17:23:36 +01:00
kernel dma-direct: relax addressability checks in dma_direct_supported 2020-02-28 17:23:44 +01:00
lib crypto: chacha20poly1305 - prevent integer overflow on large input 2020-02-28 17:23:40 +01:00
LICENSES LICENSES: Rename other to deprecated 2019-05-03 06:34:32 -06:00
mm mm: Avoid creating virtual address aliases in brk()/mmap()/mremap() 2020-02-28 17:23:37 +01:00
net net: add strict checks in netdev_name_node_alt_destroy() 2020-03-05 16:45:03 +01:00
samples samples/bpf: Set -fno-stack-protector when building BPF programs 2020-02-24 08:38:15 +01:00
scripts scripts/get_maintainer.pl: deprioritize old Fixes: addresses 2020-02-28 17:23:43 +01:00
security selinux: ensure we cleanup the internal AVC counters on error in avc_update() 2020-02-24 08:38:19 +01:00
sound ASoC: SOF: Intel: hda: Add iDisp4 DAI 2020-02-28 17:23:45 +01:00
tools ipv6: Fix route replacement with dev-only route 2020-03-05 16:45:03 +01:00
usr gen_initramfs_list.sh: fix 'bad variable name' error 2020-01-04 00:00:48 +09:00
virt KVM: arm64: Treat emulated TVAL TimerValue as a signed 32-bit integer 2020-02-14 16:53:04 -05:00
.clang-format clang-format: Update with the latest for_each macro list 2019-08-31 10:00:51 +02:00
.cocciconfig scripts: add Linux .cocciconfig for coccinelle 2016-07-22 12:13:39 +02:00
.get_maintainer.ignore Opt out of scripts/get_maintainer.pl 2019-05-16 10:53:40 -07:00
.gitattributes .gitattributes: use 'dts' diff driver for dts files 2019-12-04 19:44:11 -08:00
.gitignore modpost: dump missing namespaces into a single modules.nsdeps file 2019-11-11 20:10:01 +09:00
.mailmap MAINTAINERS: update my email address 2020-01-11 14:33:39 -08:00
COPYING COPYING: use the new text with points to the license files 2018-03-23 12:41:45 -06:00
CREDITS Linux 5.4-rc4 2019-10-29 04:43:29 -06:00
Kbuild kbuild: do not descend to ./Kbuild when cleaning 2019-08-21 21:03:58 +09:00
Kconfig docs: kbuild: convert docs to ReST and rename to *.rst 2019-06-14 14:21:21 -06:00
MAINTAINERS MAINTAINERS: Update drm/i915 bug filing URL 2020-02-28 17:23:36 +01:00
Makefile Linux 5.5.7 2020-02-28 17:23:45 +01:00
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.