AuxXxilium/linux_dsm_epyc7002
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linux_dsm_epyc7002/drivers
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Bruno Thomsen b838b4aced phy/micrel: KSZ8031RNL RMII clock reconfiguration bug 
Bug: Unable to send and receive Ethernet packets with Micrel PHY.

Affected devices:
KSZ8031RNL (commercial temp)
KSZ8031RNLI (industrial temp)

Description:
PHY device is correctly detected during probe.
PHY power-up default is 25MHz crystal clock input
and output 50MHz RMII clock to MAC.
Reconfiguration of PHY to input 50MHz RMII clock from MAC
causes PHY to become unresponsive if clock source is changed
after Operation Mode Strap Override (OMSO) register setup.

Cause:
Long lead times on parts where clock setup match circuit design
forces the usage of similar parts with wrong default setup.

Solution:
Swapped KSZ8031 register setup and added phy_write return code validation.

Tested with Freescale i.MX28 Fast Ethernet Controler (fec).

Signed-off-by: Bruno Thomsen <bth@kamstrup.dk>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-10-14 12:41:03 -04:00
..
accessibility
acpi Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 2014-10-07 21:26:52 -04:00
amba
ata ARM: SoC non-critical bug fixes for 3.18 2014-10-08 17:03:09 -04:00
atm
auxdisplay
base Driver core patches for 3.18-rc1 2014-10-08 06:53:19 -04:00
bcma bcma: use chipcommon node from DT for SoC GPIO chip 2014-09-30 13:17:14 -04:00
block Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2014-10-07 21:16:26 -04:00
bluetooth Bluetooth: btusb: remove redundant lock variable 2014-09-30 14:13:29 +02:00
bus ARM: SoC driver updates for 3.18 2014-10-08 17:37:16 -04:00
cdrom
char Char/Misc driver patches for 3.18-rc1 2014-10-08 06:55:41 -04:00
clk ARM: SoC driver updates for 3.18 2014-10-08 17:37:16 -04:00
clocksource ARM: SoC driver updates for 3.18 2014-10-08 17:37:16 -04:00
connector
cpufreq ARM: SoC non-critical bug fixes for 3.18 2014-10-08 17:03:09 -04:00
cpuidle ARM: SoC platform changes for 3.18 2014-10-08 17:13:04 -04:00
crypto Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2014-10-08 06:44:48 -04:00
dca
devfreq
dio
dma dmaengine-3.17 2014-10-07 20:39:25 -04:00
dma-buf
edac ARM: SoC driver updates for 3.18 2014-10-08 17:37:16 -04:00
eisa
extcon extcon: gpio: Fix code cleanup 2014-09-22 16:48:47 +09:00
firewire
firmware Revert "efi/x86: efistub: Move shared dependencies to <asm/efi.h>" 2014-09-23 22:01:55 +01:00
fmc
gpio ACPI and power management fixes for 3.17-rc7 2014-09-25 15:25:52 -07:00
gpu Staging patches for 3.18-rc1 2014-10-08 06:50:18 -04:00
hid Merge branches 'for-3.18/always-poll-quirk', 'for-3.18/logitech', 'for-3.18/picolcd', 'for-3.18/rmi', 'for-3.18/sony', 'for-3.18/uhid', 'for-3.18/upstream' and 'for-3.18/wacom' into for-linus 2014-10-06 23:34:40 +02:00
hsi
hv Drivers: hv: vmbus: Enable interrupt driven flow control 2014-09-23 23:31:22 -07:00
hwmon hwmon: (tmp103) Fix resource leak bug in tmp103 temperature sensor driver 2014-09-22 11:11:48 -07:00
hwspinlock
i2c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2014-10-07 21:16:26 -04:00
ide
idle
iio staging: iio: fix up merge error 2014-09-22 07:54:10 -07:00
infiniband Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2014-10-08 21:40:54 -04:00
input Merge branch 'next' into for-linus 2014-10-03 11:24:46 -07:00
iommu Fixes and features for 3.18. 2014-10-08 05:27:39 -04:00
ipack ipoctal: clear break interrupt as soon as it occurs 2014-09-23 23:26:42 -07:00
irqchip ARM: SoC driver updates for 3.18 2014-10-08 17:37:16 -04:00
isdn Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2014-10-08 21:40:54 -04:00
leds ARM: SoC driver updates for 3.18 2014-10-08 17:37:16 -04:00
lguest
macintosh
mailbox mailbox/omap: add support for parsing dt devices 2014-09-11 11:39:14 -07:00
mcb
md md/raid5: disable 'DISCARD' by default due to safety concerns. 2014-10-02 13:45:00 +10:00
media Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2014-10-07 21:16:26 -04:00
memory
memstick
message SCSI for-linus on 20141007 2014-10-07 21:29:18 -04:00
mfd Immutable branch between MFD and some ARM sub-arch maintainers. 2014-09-16 10:24:16 +08:00
misc ARM: SoC cleanups for 3.18 2014-10-08 17:06:53 -04:00
mmc
mtd Two trivial MTD updates for 3.17-rc4: 2014-09-06 12:12:09 -07:00
net phy/micrel: KSZ8031RNL RMII clock reconfiguration bug 2014-10-14 12:41:03 -04:00
nfc Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless 2014-10-07 14:48:29 -04:00
ntb ntb: Add alignment check to meet hardware requirement 2014-09-14 00:10:38 -04:00
nubus
of Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2014-10-08 21:40:54 -04:00
oprofile
parisc parisc: Fix serial console for machines with serial port on superio chip 2014-10-01 22:12:50 +02:00
parport parport: parport_pc: Implement architecture and device check to cut off false-positives 2014-09-23 23:14:28 -07:00
pci PCI updates for v3.17: 2014-09-24 09:46:29 -07:00
pcmcia
phy phy: remove .owner field for drivers using module_platform_driver 2014-09-24 15:18:34 +05:30
pinctrl This is the bulk of pin control changes for the v3.18 2014-10-07 20:56:28 -04:00
platform Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2014-10-07 21:16:26 -04:00
pnp
power power: reset: driver for the Versatile syscon reboot 2014-09-26 00:25:59 +02:00
powercap powercap / RAPL: change domain detection message 2014-09-03 01:29:00 +02:00
pps
ps3
ptp
pwm Second batch of AT91 cleanup for 3.18: 2014-09-09 17:03:17 +02:00
rapidio
ras
regulator Merge remote-tracking branches 'regulator/topic/tps65217', 'regulator/topic/tps65910' and 'regulator/topic/voltage-ev' into regulator-next 2014-09-30 13:50:31 +01:00
remoteproc
reset
rpmsg
rtc ARM: SoC driver updates for 3.18 2014-10-08 17:37:16 -04:00
s390 net: better IFF_XMIT_DST_RELEASE support 2014-10-07 13:22:11 -04:00
sbus
scsi SCSI for-linus on 20141007 2014-10-07 21:29:18 -04:00
sfi
sh
sn
soc ARM: SoC driver updates for 3.18 2014-10-08 17:37:16 -04:00
spi Merge remote-tracking branch 'spi/topic/xilinx' into spi-next 2014-10-03 16:33:44 +01:00
spmi
ssb
staging Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2014-10-08 21:40:54 -04:00
target iscsi-target: avoid NULL pointer in iscsi_copy_param_list failure 2014-09-17 13:44:01 -07:00
tc
thermal thermal: Remove ARCH_KIRKWOOD dependency 2014-09-09 14:39:21 +00:00
thunderbolt
tty TTY/Serial driver patches for 3.18-rc1 2014-10-08 06:52:11 -04:00
uio
usb Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2014-10-08 21:40:54 -04:00
uwb uwb: add an ASIE sysfs attribute to uwb_rc devices 2014-09-23 22:05:26 -07:00
vfio
vhost
video Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2014-10-07 21:16:26 -04:00
virt
virtio virtio_ring: unify direct/indirect code paths. 2014-09-13 12:52:35 -04:00
vlynq
vme
w1
watchdog watchdog: Remove ARCH_KIRKWOOD dependency 2014-09-09 14:40:17 +00:00
xen xen: bug fixes for 3.17-rc4 2014-09-11 16:52:29 -07:00
zorro
Kconfig soc: ti: add Keystone Navigator QMSS driver 2014-09-24 09:49:14 -04:00
Makefile