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Thibaut VARENE eff3549c58 generic: drop support for get_port_stats() on ar8xxx 
The implementation is not efficient on ar8xxx switches. It triggers high
CPU load and degrades device performance.

The high CPU load has been traced down to the ar8xxx_reg_wait() call in
ar8xxx_mib_op(), which has to usleep_range() till the MIB busy flag set
by the request to update the MIB counter is cleared.

This commit removes the get_port_stats() code introduced in 4d8a66d and
leaves a note for future hacker's beware.

Fixes: FS#1004

Signed-off-by: Thibaut VARENE <hacks@slashdirt.org>
2017-09-13 08:07:54 +02:00
..
adm5120 treewide: populate boardname and model earlier 2017-07-15 23:13:34 +02:00
adm8668 build: fix subtarget descriptions 2016-09-04 13:35:11 +02:00
apm821xx kernel: update kernel 4.9 to version 4.9.40 2017-07-28 22:46:17 +02:00
ar7 ar7: add NULL clock fix send upstream 2017-07-29 09:24:17 +02:00
ar71xx ar71xx: fix MAC addresses on TP-Link TL-WR1043ND v4 2017-09-11 19:47:19 +02:00
arc770 treewide: drop target board_name functions 2017-07-15 23:13:34 +02:00
archs38 treewide: drop target board_name functions 2017-07-15 23:13:34 +02:00
armvirt kernel: cleanup CONFIG_SCHED_HRTICK 2017-06-29 04:46:59 +02:00
at91 treewide: drop target board_name functions 2017-07-15 23:13:34 +02:00
ath25 kernel: cleanup CONFIG_SCHED_HRTICK 2017-06-29 04:46:59 +02:00
au1000 kernel: update kernel 3.18 to version 3.18.43 2016-10-24 20:25:14 +03:00
bcm53xx kernel: update 4.4 to 4.4.86 2017-09-05 08:43:39 +02:00
brcm47xx brcm47xx: fix switch port mapping on Asus RT-N12 and RT-N16 models 2017-07-21 08:09:45 +02:00
brcm63xx kernel: update 4.4 to 4.4.86 2017-09-05 08:43:39 +02:00
brcm2708 brcm2708: bcm2710: do not activate neon-vfpv4 manually 2017-08-26 12:35:44 +02:00
cns3xxx cns3xxx: fix GPIO controller interrupt enable 2017-09-11 17:03:21 +02:00
gemini kernel: use .patch extension for all patches 2017-06-27 06:37:46 +02:00
generic generic: drop support for get_port_stats() on ar8xxx 2017-09-13 08:07:54 +02:00
imx6 imx6: add driver for temp/voltage monitoring 2017-08-18 18:47:11 +02:00
ipq806x ipq806x: Archer C2600: fix switch ports numbering 2017-08-24 08:39:12 +02:00
ixp4xx treewide: drop target board_name functions 2017-07-15 23:13:34 +02:00
kirkwood treewide: drop target board_name functions 2017-07-15 23:13:34 +02:00
lantiq kernel: update 4.9 to 4.9.49 2017-09-11 01:56:14 +02:00
layerscape layerscape: do not add custom CFLAGS. 2017-08-26 12:36:02 +02:00
malta kernel: cleanup CONFIG_SCHED_HRTICK 2017-06-29 04:46:59 +02:00
mcs814x treewide: drop target board_name functions 2017-07-15 23:13:34 +02:00
mediatek kernel: update 4.9 to 4.9.49 2017-09-11 01:56:14 +02:00
mpc85xx treewide: drop target board_name functions 2017-07-15 23:13:34 +02:00
mvebu kernel: update 4.4 to 4.4.83 2017-08-17 14:31:45 +02:00
mxs treewide: drop target board_name functions 2017-07-15 23:13:34 +02:00
octeon treewide: use only board_name function to get name 2017-07-15 23:13:34 +02:00
omap kernel: cleanup CONFIG_SCHED_HRTICK 2017-06-29 04:46:59 +02:00
omap24xx treewide: use only board_name function to get name 2017-07-15 23:13:34 +02:00
orion treewide: use only board_name function to get name 2017-07-15 23:13:34 +02:00
oxnas kernel: update kernel 4.4 to version 4.4.79 2017-07-28 22:46:26 +02:00
pistachio kernel: update 4.9 to 4.9.44 2017-08-17 12:34:34 +02:00
ppc40x treewide: drop target board_name functions 2017-07-15 23:13:34 +02:00
ppc44x ppc44x: mark as broken 2017-01-10 12:49:34 +01:00
ramips ramips: fix hg255d LED status support 2017-09-13 08:07:54 +02:00
rb532 kernel: update kernel 4.4 to version 4.4.79 2017-07-28 22:46:26 +02:00
sunxi treewide: drop target board_name functions 2017-07-15 23:13:34 +02:00
uml kernel: update kernel 4.4 to version 4.4.79 2017-07-28 22:46:26 +02:00
x86 x86: Fix xen serial console by removing conflicting PATA driver 2017-07-16 11:31:52 +02:00
xburst xburst: enable high-res timers, refresh kernel config 2017-06-07 18:31:10 +02:00
zynq treewide: use only board_name function to get name 2017-07-15 23:13:34 +02:00
Makefile