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Vladimir Oltean f27bc8afd5 net: phy: fixed: Be compatible with live OF tree 
On systems that use CONFIG_OF_LIVE, the "ofnode" type is defined
as const struct device_node *np, while on the flat DT systems it
is defined as a long of_offset into gd->fdt_blob.

It is desirable that the fixed PHY driver uses the higher-level
ofnode abstraction instead of parsing gd->fdt_blob directly,
because that enables it to work on live OF systems.

The fixed PHY driver has used a nasty hack since its introduction in
commit db40c1aa1c ("drivers/net/phy: add fixed-phy /
fixed-link support"),
which is to pass the long gd->fdt_blob offset inside int phydev->addr
(a value that normally holds the MDIO bus address at which the PHY
responds). Even ignoring the fact that the types were already
mismatched leading to a potential truncation (flat OF offset was
supposed to be a long and not an int), we really cannot extend this
hack any longer, because there's no way an int will hold the other
representation of ofnode, the struct device_node *np.

So we unfortunately need to do the right thing, which is to use the
framework introduced by Grygorii Strashko in
commit eef0b8a930 ("net: phy: add ofnode node to struct phy_device").
This will populate phydev->node for the fixed PHY.

Note that phydev->node will not be valid in the probe function, since
that is called synchronously from phy_device_create and we really have
no way of passing the ofnode directly through the phy_device_create API.
So we do what other drivers do too: we move the OF parsing logic from
the .probe to the .config method of the PHY driver. The new function
will be called at phy_config() time.

I do believe I've converted all the possible call paths for creating
a PHY with PHY_FIXED_ID, so there is really no reason to maintain
compatibility with the old logic of retrieving a flat OF tree offset
from phydev->addr. We just pass 0 to phydev->addr now.

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
Message-Id: <20210216224804.3355044-2-olteanv@gmail.com>
[bmeng: keep fixedphy_probe(); update mdio-uclass.c to handle fixed phy]
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
2021-04-15 14:22:17 +05:30
..
fm ppc: Remove Cyrus_P5020 and P5040 boards 2021-04-10 08:05:07 -04:00
fsl-mc image: Adjust the workings of fit_check_format() 2021-02-15 22:31:52 -05:00
ldpaa_eth common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
mscc_eswitch drivers: net: Add Felix DSA switch driver 2021-02-16 12:38:36 -05:00
octeontx common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
octeontx2 dm: Avoid accessing seq directly 2020-12-18 20:32:21 -07:00
pfe_eth image: Adjust the workings of fit_check_format() 2021-02-15 22:31:52 -05:00
phy net: phy: fixed: Be compatible with live OF tree 2021-04-15 14:22:17 +05:30
qe uec.h: fix COFIG_DM typo 2021-02-21 18:46:41 -05:00
ti common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
8390.h drivers/net : move net drivers to drivers/net 2007-11-25 18:35:17 +01:00
ag7xxx.c common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
altera_tse.c common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
altera_tse.h common: Drop linux/bitops.h from common header 2020-05-18 21:19:23 -04:00
armada100_fec.c treewide: convert bd_t to struct bd_info by coccinelle 2020-07-17 09:30:13 -04:00
armada100_fec.h SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
at91_emac.c treewide: convert bd_t to struct bd_info by coccinelle 2020-07-17 09:30:13 -04:00
ax88180.c treewide: convert bd_t to struct bd_info by coccinelle 2020-07-17 09:30:13 -04:00
ax88180.h AX88180: use standard I/O accessors 2010-07-12 00:14:29 -07:00
bcm-sf2-eth-gmac.c common: Drop linux/bitops.h from common header 2020-05-18 21:19:23 -04:00
bcm-sf2-eth-gmac.h SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
bcm-sf2-eth.c treewide: convert bd_t to struct bd_info by coccinelle 2020-07-17 09:30:13 -04:00
bcm-sf2-eth.h SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
bcm6348-eth.c dm: treewide: Rename dev_get_platdata() to dev_get_plat() 2020-12-13 16:51:09 -07:00
bcm6368-eth.c dm: treewide: Rename dev_get_platdata() to dev_get_plat() 2020-12-13 16:51:09 -07:00
bcmgenet.c dm: treewide: Rename ofdata_to_platdata() to of_to_plat() 2020-12-13 16:51:09 -07:00
calxedaxgmac.c treewide: convert bd_t to struct bd_info by coccinelle 2020-07-17 09:30:13 -04:00
cortina_ni.c net: cortina_ni: buffer overrun 2021-02-24 16:51:49 -05:00
cortina_ni.h net: cortina_ni: Add eth support for Cortina Access CAxxxx SoCs 2021-01-27 10:47:44 -05:00
cs8900.c treewide: convert bd_t to struct bd_info by coccinelle 2020-07-17 09:30:13 -04:00
cs8900.h SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
dc2114x.c dm: treewide: Rename dev_get_platdata() to dev_get_plat() 2020-12-13 16:51:09 -07:00
designware.c net: designware: remove amlogic compatibles 2021-04-06 11:10:29 +02:00
designware.h dm: treewide: Rename ofdata_to_platdata() to of_to_plat() 2020-12-13 16:51:09 -07:00
dm9000x.c treewide: convert bd_t to struct bd_info by coccinelle 2020-07-17 09:30:13 -04:00
dm9000x.h dm9000 remove dead external phy support, gpio fix 2008-08-26 23:08:19 -07:00
dnet.c treewide: convert bd_t to struct bd_info by coccinelle 2020-07-17 09:30:13 -04:00
dnet.h dnet: driver for Dave DNET ethernet controller 2009-02-10 00:16:27 +01:00
dwc_eth_qos.c net: eqos: Reduce the MDIO wait time 2021-02-08 14:01:15 +05:30
dwmac_meson8b.c net: designware: add Amlogic Meson8b & later glue driver 2021-04-06 11:10:29 +02:00
dwmac_s700.c common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
dwmac_socfpga.c net: designware: socfpga: Add ATF support for MAC driver 2021-01-15 17:48:37 +08:00
e1000.c net: e1000: Add missing address translations 2021-01-27 08:25:31 -05:00
e1000.h net: e1000: add defaults for i210 TX/RX PBSIZE 2020-10-14 11:16:34 -04:00
e1000_spi.c common: Drop linux/delay.h from common header 2020-05-18 21:19:23 -04:00
eepro100.c dm: treewide: Rename dev_get_platdata() to dev_get_plat() 2020-12-13 16:51:09 -07:00
ep93xx_eth.c treewide: convert bd_t to struct bd_info by coccinelle 2020-07-17 09:30:13 -04:00
ep93xx_eth.h SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
eth-phy-uclass.c dm: Use access methods for dev/uclass private data 2021-01-05 12:24:40 -07:00
ethoc.c dm: treewide: Rename ofdata_to_platdata() to of_to_plat() 2020-12-13 16:51:09 -07:00
fec_mxc.c common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
fec_mxc.h treewide: convert bd_t to struct bd_info by coccinelle 2020-07-17 09:30:13 -04:00
fsl_enetc.c dm: core: Access device ofnode through functions 2021-01-05 12:24:41 -07:00
fsl_enetc.h drivers: net: Add Felix DSA switch driver 2021-02-16 12:38:36 -05:00
fsl_enetc_mdio.c dm: core: Access device ofnode through functions 2021-01-05 12:24:41 -07:00
fsl_ls_mdio.c dm: treewide: Rename auto_alloc_size members to be shorter 2020-12-13 08:00:25 -07:00
fsl_mcdmafec.c common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
fsl_mdio.c dm: treewide: Rename 'platdata' variables to just 'plat' 2020-12-13 16:51:08 -07:00
ftgmac100.c net: ftgmac100: Read and retain MAC address 2021-01-19 09:15:02 -05:00
ftgmac100.h common: Drop linux/bitops.h from common header 2020-05-18 21:19:23 -04:00
ftmac100.c Merge branch '2021-02-02-drop-asm_global_data-when-unused' 2021-02-15 10:16:45 -05:00
ftmac100.h SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
ftmac110.c treewide: convert bd_t to struct bd_info by coccinelle 2020-07-17 09:30:13 -04:00
ftmac110.h SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
gmac_rockchip.c common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
higmacv300.c dm: Avoid accessing seq directly 2020-12-18 20:32:21 -07:00
Kconfig ppc: Remove Cyrus_P5020 and P5040 boards 2021-04-10 08:05:07 -04:00
ks8851_mll.c net: ks8851: Reset internal RXFC count on bad packet 2021-01-19 09:15:02 -05:00
ks8851_mll.h net: ks8851_mll: add ethernet support 2013-06-24 19:11:14 -05:00
lan91c96.c treewide: convert bd_t to struct bd_info by coccinelle 2020-07-17 09:30:13 -04:00
lan91c96.h SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
lpc32xx_eth.c treewide: convert bd_t to struct bd_info by coccinelle 2020-07-17 09:30:13 -04:00
macb.c common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
macb.h net: macb: Add DMA 64-bit address support for macb 2021-01-18 11:06:38 +08:00
Makefile net: designware: add Amlogic Meson8b & later glue driver 2021-04-06 11:10:29 +02:00
mcffec.c common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
mcfmii.c common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
mdio-ipq4019.c dm: core: Access device ofnode through functions 2021-01-05 12:24:41 -07:00
mdio_mux_i2creg.c dm: core: Access device ofnode through functions 2021-01-05 12:24:41 -07:00
mdio_mux_meson_g12a.c net: add Amlogic Meson G12A MDIO MUX driver 2021-04-06 11:10:29 +02:00
mdio_mux_mmioreg.c net: add MMIO Register MDIO MUX driver 2021-04-06 11:10:29 +02:00
mdio_mux_sandbox.c dm: treewide: Rename auto_alloc_size members to be shorter 2020-12-13 08:00:25 -07:00
mdio_sandbox.c dm: treewide: Rename auto_alloc_size members to be shorter 2020-12-13 08:00:25 -07:00
mpc8xx_fec.c common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
mt7620-eth.c net: add ethernet driver for MediaTek MT7620 SoC 2021-01-24 21:39:27 +01:00
mt7628-eth.c dm: treewide: Rename dev_get_platdata() to dev_get_plat() 2020-12-13 16:51:09 -07:00
mtk_eth.c dm: treewide: Rename ofdata_to_platdata() to of_to_plat() 2020-12-13 16:51:09 -07:00
mtk_eth.h eth: mtk-eth: enable mt7629 sgmii mode support in mediatek eth driver 2020-07-28 22:44:00 -04:00
mvgbe.c common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
mvgbe.h net: mvgbe: convert to DM 2018-07-26 14:08:21 -05:00
mvmdio.c dm: core: Access device ofnode through functions 2021-01-05 12:24:41 -07:00
mvneta.c common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
mvpp2.c common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
natsemi.c treewide: convert bd_t to struct bd_info by coccinelle 2020-07-17 09:30:13 -04:00
ne2000.c common: Drop linux/delay.h from common header 2020-05-18 21:19:23 -04:00
ne2000.h NE2000: Fix regresssion introduced by e710185aae on non AX88796 2008-04-28 22:26:36 -07:00
ne2000_base.c treewide: convert bd_t to struct bd_info by coccinelle 2020-07-17 09:30:13 -04:00
ne2000_base.h common: Drop linux/delay.h from common header 2020-05-18 21:19:23 -04:00
netconsole.c common: Drop log.h from common header 2020-05-18 21:19:18 -04:00
ns8382x.c treewide: convert bd_t to struct bd_info by coccinelle 2020-07-17 09:30:13 -04:00
pch_gbe.c dm: treewide: Rename dev_get_platdata() to dev_get_plat() 2020-12-13 16:51:09 -07:00
pch_gbe.h SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
pcnet.c dm: treewide: Rename dev_get_platdata() to dev_get_plat() 2020-12-13 16:51:09 -07:00
pic32_eth.c common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
pic32_eth.h common: Drop linux/bitops.h from common header 2020-05-18 21:19:23 -04:00
pic32_mdio.c common: Drop linux/delay.h from common header 2020-05-18 21:19:23 -04:00
ravb.c common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
rtl8139.c dm: treewide: Rename dev_get_platdata() to dev_get_plat() 2020-12-13 16:51:09 -07:00
rtl8169.c dm: treewide: Rename ..._platdata variables to just ..._plat 2020-12-13 16:51:09 -07:00
sandbox-raw-bus.c dm: core: Create a new header file for 'compat' features 2020-02-05 19:33:46 -07:00
sandbox-raw.c common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
sandbox.c common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
sh_eth.c common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
sh_eth.h sh: Remove sh7757lcr board 2021-02-15 10:16:24 -05:00
smc911x.c dm: treewide: Rename ofdata_to_platdata() to of_to_plat() 2020-12-13 16:51:09 -07:00
smc911x.h common: Drop net.h from common header 2020-05-18 17:33:31 -04:00
smc91111.c treewide: convert bd_t to struct bd_info by coccinelle 2020-07-17 09:30:13 -04:00
smc91111.h common: Drop net.h from common header 2020-05-18 17:33:31 -04:00
sni_ave.c common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
sun8i_emac.c common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
sunxi_emac.c dm: Use access methods for dev/uclass private data 2021-01-05 12:24:40 -07:00
tsec.c dm: core: Access device ofnode through functions 2021-01-05 12:24:41 -07:00
uli526x.c treewide: convert bd_t to struct bd_info by coccinelle 2020-07-17 09:30:13 -04:00
vsc7385.c common: Drop linux/delay.h from common header 2020-05-18 21:19:23 -04:00
vsc9953.c treewide: convert bd_t to struct bd_info by coccinelle 2020-07-17 09:30:13 -04:00
xilinx_axi_emac.c common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
xilinx_emaclite.c common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
zynq_gem.c net: gem: Fix setting PCS auto-negotiation state 2021-03-30 09:18:47 +02:00