linux_dsm_epyc7002/drivers/net/phy
Roger Quadros 69226896ad mdio_bus: Issue GPIO RESET to PHYs.
Some boards [1] leave the PHYs at an invalid state
during system power-up or reset thus causing unreliability
issues with the PHY which manifests as PHY not being detected
or link not functional. To fix this, these PHYs need to be RESET
via a GPIO connected to the PHY's RESET pin.

Some boards have a single GPIO controlling the PHY RESET pin of all
PHYs on the bus whereas some others have separate GPIOs controlling
individual PHY RESETs.

In both cases, the RESET de-assertion cannot be done in the PHY driver
as the PHY will not probe till its reset is de-asserted.
So do the RESET de-assertion in the MDIO bus driver.

[1] - am572x-idk, am571x-idk, a437x-idk

Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-24 12:40:24 -04:00
..
amd.c
aquantia.c
at803x.c
bcm7xxx.c net: phy: bcm7xxx: add support for 28nm EPHY 2017-03-13 21:51:49 -07:00
bcm63xx.c
bcm87xx.c
bcm-cygnus.c
bcm-phy-lib.c net: phy: switch remaining users to phy_(read|write)_mmd() 2017-03-22 12:43:00 -07:00
bcm-phy-lib.h
broadcom.c
cicada.c
davicom.c
dp83640_reg.h
dp83640.c dp83640: don't recieve time stamps twice 2017-04-20 16:00:48 -04:00
dp83848.c
dp83867.c net: phy: switch remaining users to phy_(read|write)_mmd() 2017-03-22 12:43:00 -07:00
et1011c.c
fixed_phy.c
icplus.c
intel-xway.c net: phy: switch remaining users to phy_(read|write)_mmd() 2017-03-22 12:43:00 -07:00
Kconfig net: phy: Allow splitting MDIO bus/device support from PHYs 2017-03-24 12:51:05 -07:00
lxt.c
Makefile net: phy: Allow building mdio-boardinfo into the kernel 2017-03-29 10:32:32 -07:00
marvell.c
mdio_bus.c mdio_bus: Issue GPIO RESET to PHYs. 2017-04-24 12:40:24 -04:00
mdio_device.c
mdio-bcm-iproc.c
mdio-bcm-unimac.c net: bcmgenet: add support for the GENETv5 hardware 2017-03-13 21:51:51 -07:00
mdio-bitbang.c
mdio-boardinfo.c net: phy: Allow building mdio-boardinfo into the kernel 2017-03-29 10:32:32 -07:00
mdio-boardinfo.h net: phy: Allow building mdio-boardinfo into the kernel 2017-03-29 10:32:32 -07:00
mdio-cavium.c
mdio-cavium.h
mdio-gpio.c
mdio-hisi-femac.c
mdio-moxart.c
mdio-mux-bcm-iproc.c
mdio-mux-gpio.c
mdio-mux-mmioreg.c
mdio-mux.c
mdio-octeon.c
mdio-sun4i.c
mdio-thunder.c
mdio-xgene.c drivers: net: phy: xgene: Fix mdio write 2017-03-15 21:52:51 -07:00
mdio-xgene.h
meson-gxl.c
micrel.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-04-20 10:35:33 -04:00
microchip.c net: phy: switch remaining users to phy_(read|write)_mmd() 2017-03-22 12:43:00 -07:00
mscc.c
national.c
phy_device.c net: phy: switch remaining users to phy_(read|write)_mmd() 2017-03-22 12:43:00 -07:00
phy_led_triggers.c
phy-core.c net: phy: test the right variable in phy_write_mmd() 2017-04-17 15:10:42 -04:00
phy.c net: phy: simplify phy_supported_speeds() 2017-04-17 13:25:07 -04:00
qsemi.c
realtek.c
smsc.c net: break include loop netdevice.h, dsa.h, devlink.h 2017-03-28 22:46:04 -07:00
spi_ks8995.c
ste10Xp.c
swphy.c
swphy.h
teranetics.c
vitesse.c
xilinx_gmii2rgmii.c