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4414b3ed74
linux/drivers/net/phy
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Grygorii Strashko 4414b3ed74 net: phy: relax error checking when creating sysfs link netdev->phydev 
Some ethernet drivers (like TI CPSW) may connect and manage >1 Net PHYs per
one netdevice, as result such drivers will produce warning during system
boot and fail to connect second phy to netdevice when PHYLIB framework
will try to create sysfs link netdev->phydev for second PHY
in phy_attach_direct(), because sysfs link with the same name has been
created already for the first PHY. As result, second CPSW external
port will became unusable.

Fix it by relaxing error checking when PHYLIB framework is creating sysfs
link netdev->phydev in phy_attach_direct(), suppressing warning by using
sysfs_create_link_nowarn() and adding error message instead.
After this change links (phy->netdev and netdev->phy) creation failure is not
fatal any more and system can continue working, which fixes TI CPSW issue.

Cc: Florian Fainelli <f.fainelli@gmail.com>
Cc: Andrew Lunn <andrew@lunn.ch>
Fixes: a399546049 ("net: phy: Relax error checking on sysfs_create_link()")
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-19 21:14:27 -04:00
..
amd.c net: phy: remove generic settings for callbacks config_aneg and read_status from drivers 2017-12-01 15:42:21 -05:00
aquantia.c net: phy: aquantia: add PHY ID of AQR106 and AQR107 2016-10-20 14:25:23 -04:00
at803x.c net: phy: fix wrong masks to phy_modify() 2018-01-08 14:20:21 -05:00
bcm7xxx.c net: phy: remove generic settings for callbacks config_aneg and read_status from drivers 2017-12-01 15:42:21 -05:00
bcm63xx.c net: phy: remove generic settings for callbacks config_aneg and read_status from drivers 2017-12-01 15:42:21 -05:00
bcm87xx.c
bcm-cygnus.c net: phy: remove generic settings for callbacks config_aneg and read_status from drivers 2017-12-01 15:42:21 -05:00
bcm-phy-lib.c net: phy: broadcom: Use strlcpy() for ethtool::get_strings 2018-03-06 11:12:39 -05:00
bcm-phy-lib.h net: phy: broadcom: Add support code for reading PHY counters 2016-11-30 10:22:27 -05:00
broadcom.c net: phy: broadcom: Add entry for 5395 switch PHYs 2017-12-15 15:41:13 -05:00
cicada.c net: phy: remove generic settings for callbacks config_aneg and read_status from drivers 2017-12-01 15:42:21 -05:00
cortina.c net: phy: cortina: add missing MODULE_DESCRIPTION/AUTHOR/LICENSE 2017-11-24 01:23:49 +09:00
davicom.c net: phy: remove generic settings for callbacks config_aneg and read_status from drivers 2017-12-01 15:42:21 -05:00
dp83640_reg.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
dp83640.c net: phy: remove generic settings for callbacks config_aneg and read_status from drivers 2017-12-01 15:42:21 -05:00
dp83822.c net: phy: remove generic settings for callbacks config_aneg and read_status from drivers 2017-12-01 15:42:21 -05:00
dp83848.c net: phy: remove generic settings for callbacks config_aneg and read_status from drivers 2017-12-01 15:42:21 -05:00
dp83867.c net: phy: remove generic settings for callbacks config_aneg and read_status from drivers 2017-12-01 15:42:21 -05:00
et1011c.c
fixed_phy.c net: phy: fixed-phy: remove fixed_phy_update_state() 2018-01-03 10:38:54 -05:00
icplus.c net: phy: remove generic settings for callbacks config_aneg and read_status from drivers 2017-12-01 15:42:21 -05:00
intel-xway.c net: phy: remove generic settings for callbacks config_aneg and read_status from drivers 2017-12-01 15:42:21 -05:00
Kconfig net: phy: leds: Add support for "link" trigger 2017-11-08 10:24:14 +09:00
lxt.c net: phy: remove generic settings for callbacks config_aneg and read_status from drivers 2017-12-01 15:42:21 -05:00
Makefile Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-11-04 09:26:51 +09:00
marvell10g.c net: phy: marvell10g: add support for half duplex 100M and 10M 2018-01-02 15:00:50 -05:00
marvell.c net: phy: marvell: Use strlcpy() for ethtool::get_strings 2018-03-06 11:12:39 -05:00
mdio_bus.c net: phy: Handle not having GPIO enabled in the kernel 2018-02-06 11:20:17 -05:00
mdio_device.c phylib: rename reset-(post-)delay-us to reset-(de)assert-us 2017-12-27 11:06:50 -05:00
mdio-bcm-iproc.c net: phy: Initialize mdio clock at probe function 2017-02-09 17:10:23 -05:00
mdio-bcm-unimac.c net: phy: mdio-bcm-unimac: fix potential NULL dereference in unimac_mdio_probe() 2018-01-11 13:56:24 -05:00
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 License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mdio-cavium.c
mdio-cavium.h
mdio-gpio.c net: mdio-gpio: make mdiobb_ops const 2017-08-22 14:22:18 -07:00
mdio-hisi-femac.c net: Add MDIO bus driver for the Hisilicon FEMAC 2016-07-16 21:32:58 -07:00
mdio-i2c.c net: phy: add I2C mdio bus 2017-08-06 20:55:28 -07:00
mdio-i2c.h net: phy: add I2C mdio bus 2017-08-06 20:55:28 -07:00
mdio-moxart.c
mdio-mux-bcm-iproc.c net: mdio-mux: add mdio_mux parameter to mdio_mux_init() 2017-09-05 14:42:52 -07:00
mdio-mux-gpio.c net: mdio-mux: add mdio_mux parameter to mdio_mux_init() 2017-09-05 14:42:52 -07:00
mdio-mux-mmioreg.c net: mdio-mux: add mdio_mux parameter to mdio_mux_init() 2017-09-05 14:42:52 -07:00
mdio-mux.c net: mdio-mux: add mdio_mux parameter to mdio_mux_init() 2017-09-05 14:42:52 -07:00
mdio-octeon.c
mdio-sun4i.c mdio-sun4i: Fix a memory leak 2018-01-08 14:30:28 -05:00
mdio-thunder.c
mdio-xgene.c net: phy: xgene: disable clk on error paths 2017-12-18 15:09:42 -05:00
mdio-xgene.h drivers: net: phy: xgene: Add lock to protect mac access 2017-05-16 11:41:08 -04:00
meson-gxl.c net: phy: meson-gxl: join the authors 2017-12-18 13:24:56 -05:00
micrel.c net: phy: micrel: Use strlcpy() for ethtool::get_strings 2018-03-06 11:12:39 -05:00
microchip.c net: phy: remove generic settings for callbacks config_aneg and read_status from drivers 2017-12-01 15:42:21 -05:00
mscc.c net: phy: Add LED mode driver for Microsemi PHYs. 2017-02-08 13:29:04 -05:00
national.c net: phy: remove generic settings for callbacks config_aneg and read_status from drivers 2017-12-01 15:42:21 -05:00
phy_device.c net: phy: relax error checking when creating sysfs link netdev->phydev 2018-03-19 21:14:27 -04:00
phy_led_triggers.c net: phy: leds: Add support for "link" trigger 2017-11-08 10:24:14 +09:00
phy-c45.c net: phy: marvell10g: add MDI swap reporting 2018-01-02 15:00:49 -05:00
phy-core.c net: phy: Have __phy_modify return 0 on success 2018-01-15 12:49:30 -05:00
phy.c net: phy: Tell caller result of phy_change() 2018-03-12 10:33:07 -04:00
phylink.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-01-09 10:37:00 -05:00
qsemi.c net: phy: remove generic settings for callbacks config_aneg and read_status from drivers 2017-12-01 15:42:21 -05:00
realtek.c phy: realtek: use new helpers for paged register access 2018-01-16 13:56:33 -05:00
rockchip.c net: phy: remove generic settings for callbacks config_aneg and read_status from drivers 2017-12-01 15:42:21 -05:00
sfp-bus.c net: phy: sfp: Fix kernel doc warning 2018-01-23 11:06:50 -05:00
sfp.c sfp: use precision to print non-null terminated strings 2018-01-02 21:45:32 -05:00
sfp.h sfp: add sfp-bus to bridge between network devices and sfp cages 2017-08-06 20:55:29 -07:00
smsc.c net: phy: smsc: LAN8710/20: add PHY_RST_AFTER_CLK_EN flag 2017-12-13 11:22:54 -05:00
spi_ks8995.c spi_ks8995: regs_size incorrect for some devices 2017-03-07 13:33:24 -08:00
ste10Xp.c net: phy: remove generic settings for callbacks config_aneg and read_status from drivers 2017-12-01 15:42:21 -05:00
swphy.c phy: generate swphy registers on the fly 2016-06-27 10:40:57 -04:00
swphy.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
teranetics.c
uPD60620.c net: phy: remove generic settings for callbacks config_aneg and read_status from drivers 2017-12-01 15:42:21 -05:00
vitesse.c net: phy: remove generic settings for callbacks config_aneg and read_status from drivers 2017-12-01 15:42:21 -05:00
xilinx_gmii2rgmii.c net: phy: Fix mask value write on gmii2rgmii converter speed register 2017-09-18 16:33:18 -07:00