| Message ID | 20210302085721.3168-1-vee.khee.wong@intel.com |
|---|---|
| State | New |
| Headers | show |
| Series | [net,1/1] stmmac: intel: Fix mdio bus registration issue for TGL-H/ADL-S | expand |
Hello: This patch was applied to netdev/net.git (refs/heads/master): On Tue, 2 Mar 2021 16:57:21 +0800 you wrote: > On Intel platforms which consist of two Ethernet Controllers such as > TGL-H and ADL-S, a unique MDIO bus id is required for MDIO bus to be > successful registered: > > [ 13.076133] sysfs: cannot create duplicate filename '/class/mdio_bus/stmmac-1' > [ 13.083404] CPU: 8 PID: 1898 Comm: systemd-udevd Tainted: G U 5.11.0-net-next #106 > [ 13.092410] Hardware name: Intel Corporation Alder Lake Client Platform/AlderLake-S ADP-S DRR4 CRB, BIOS ADLIFSI1.R00.1494.B00.2012031421 12/03/2020 > [ 13.105709] Call Trace: > [ 13.108176] dump_stack+0x64/0x7c > [ 13.111553] sysfs_warn_dup+0x56/0x70 > [ 13.115273] sysfs_do_create_link_sd.isra.2+0xbd/0xd0 > [ 13.120371] device_add+0x4df/0x840 > [ 13.123917] ? complete_all+0x2a/0x40 > [ 13.127636] __mdiobus_register+0x98/0x310 [libphy] > [ 13.132572] stmmac_mdio_register+0x1c5/0x3f0 [stmmac] > [ 13.137771] ? stmmac_napi_add+0xa5/0xf0 [stmmac] > [ 13.142493] stmmac_dvr_probe+0x806/0xee0 [stmmac] > [ 13.147341] intel_eth_pci_probe+0x1cb/0x250 [dwmac_intel] > [ 13.152884] pci_device_probe+0xd2/0x150 > [ 13.156897] really_probe+0xf7/0x4d0 > [ 13.160527] driver_probe_device+0x5d/0x140 > [ 13.164761] device_driver_attach+0x4f/0x60 > [ 13.168996] __driver_attach+0xa2/0x140 > [ 13.172891] ? device_driver_attach+0x60/0x60 > [ 13.177300] bus_for_each_dev+0x76/0xc0 > [ 13.181188] bus_add_driver+0x189/0x230 > [ 13.185083] ? 0xffffffffc0795000 > [ 13.188446] driver_register+0x5b/0xf0 > [ 13.192249] ? 0xffffffffc0795000 > [ 13.195577] do_one_initcall+0x4d/0x210 > [ 13.199467] ? kmem_cache_alloc_trace+0x2ff/0x490 > [ 13.204228] do_init_module+0x5b/0x21c > [ 13.208031] load_module+0x2a0c/0x2de0 > [ 13.211838] ? __do_sys_finit_module+0xb1/0x110 > [ 13.216420] __do_sys_finit_module+0xb1/0x110 > [ 13.220825] do_syscall_64+0x33/0x40 > [ 13.224451] entry_SYSCALL_64_after_hwframe+0x44/0xae > [ 13.229515] RIP: 0033:0x7fc2b1919ccd > [ 13.233113] Code: 00 c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 93 31 0c 00 f7 d8 64 89 01 48 > [ 13.251912] RSP: 002b:00007ffcea2e5b98 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 > [ 13.259527] RAX: ffffffffffffffda RBX: 0000560558920f10 RCX: 00007fc2b1919ccd > [ 13.266706] RDX: 0000000000000000 RSI: 00007fc2b1a881e3 RDI: 0000000000000012 > [ 13.273887] RBP: 0000000000020000 R08: 0000000000000000 R09: 0000000000000000 > [ 13.281036] R10: 0000000000000012 R11: 0000000000000246 R12: 00007fc2b1a881e3 > [ 13.288183] R13: 0000000000000000 R14: 0000000000000000 R15: 00007ffcea2e5d58 > [ 13.295389] libphy: mii_bus stmmac-1 failed to register > > [...] Here is the summary with links: - [net,1/1] stmmac: intel: Fix mdio bus registration issue for TGL-H/ADL-S https://git.kernel.org/netdev/net/c/fa706dce2f2d You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c index 74b14d647619..e6eaf378e8e7 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c @@ -462,8 +462,8 @@ static int tgl_common_data(struct pci_dev *pdev, return intel_mgbe_common_data(pdev, plat); } -static int tgl_sgmii_data(struct pci_dev *pdev, - struct plat_stmmacenet_data *plat) +static int tgl_sgmii_phy0_data(struct pci_dev *pdev, + struct plat_stmmacenet_data *plat) { plat->bus_id = 1; plat->phy_interface = PHY_INTERFACE_MODE_SGMII; @@ -472,12 +472,26 @@ static int tgl_sgmii_data(struct pci_dev *pdev, return tgl_common_data(pdev, plat); } -static struct stmmac_pci_info tgl_sgmii1g_info = { - .setup = tgl_sgmii_data, +static struct stmmac_pci_info tgl_sgmii1g_phy0_info = { + .setup = tgl_sgmii_phy0_data, }; -static int adls_sgmii_data(struct pci_dev *pdev, - struct plat_stmmacenet_data *plat) +static int tgl_sgmii_phy1_data(struct pci_dev *pdev, + struct plat_stmmacenet_data *plat) +{ + plat->bus_id = 2; + plat->phy_interface = PHY_INTERFACE_MODE_SGMII; + plat->serdes_powerup = intel_serdes_powerup; + plat->serdes_powerdown = intel_serdes_powerdown; + return tgl_common_data(pdev, plat); +} + +static struct stmmac_pci_info tgl_sgmii1g_phy1_info = { + .setup = tgl_sgmii_phy1_data, +}; + +static int adls_sgmii_phy0_data(struct pci_dev *pdev, + struct plat_stmmacenet_data *plat) { plat->bus_id = 1; plat->phy_interface = PHY_INTERFACE_MODE_SGMII; @@ -487,10 +501,24 @@ static int adls_sgmii_data(struct pci_dev *pdev, return tgl_common_data(pdev, plat); } -static struct stmmac_pci_info adls_sgmii1g_info = { - .setup = adls_sgmii_data, +static struct stmmac_pci_info adls_sgmii1g_phy0_info = { + .setup = adls_sgmii_phy0_data, }; +static int adls_sgmii_phy1_data(struct pci_dev *pdev, + struct plat_stmmacenet_data *plat) +{ + plat->bus_id = 2; + plat->phy_interface = PHY_INTERFACE_MODE_SGMII; + + /* SerDes power up and power down are done in BIOS for ADL */ + + return tgl_common_data(pdev, plat); +} + +static struct stmmac_pci_info adls_sgmii1g_phy1_info = { + .setup = adls_sgmii_phy1_data, +}; static const struct stmmac_pci_func_data galileo_stmmac_func_data[] = { { .func = 6, @@ -772,11 +800,11 @@ static const struct pci_device_id intel_eth_pci_id_table[] = { { PCI_DEVICE_DATA(INTEL, EHL_PSE1_RGMII1G_ID, &ehl_pse1_rgmii1g_info) }, { PCI_DEVICE_DATA(INTEL, EHL_PSE1_SGMII1G_ID, &ehl_pse1_sgmii1g_info) }, { PCI_DEVICE_DATA(INTEL, EHL_PSE1_SGMII2G5_ID, &ehl_pse1_sgmii1g_info) }, - { PCI_DEVICE_DATA(INTEL, TGL_SGMII1G_ID, &tgl_sgmii1g_info) }, - { PCI_DEVICE_DATA(INTEL, TGLH_SGMII1G_0_ID, &tgl_sgmii1g_info) }, - { PCI_DEVICE_DATA(INTEL, TGLH_SGMII1G_1_ID, &tgl_sgmii1g_info) }, - { PCI_DEVICE_DATA(INTEL, ADLS_SGMII1G_0_ID, &adls_sgmii1g_info) }, - { PCI_DEVICE_DATA(INTEL, ADLS_SGMII1G_1_ID, &adls_sgmii1g_info) }, + { PCI_DEVICE_DATA(INTEL, TGL_SGMII1G_ID, &tgl_sgmii1g_phy0_info) }, + { PCI_DEVICE_DATA(INTEL, TGLH_SGMII1G_0_ID, &tgl_sgmii1g_phy0_info) }, + { PCI_DEVICE_DATA(INTEL, TGLH_SGMII1G_1_ID, &tgl_sgmii1g_phy1_info) }, + { PCI_DEVICE_DATA(INTEL, ADLS_SGMII1G_0_ID, &adls_sgmii1g_phy0_info) }, + { PCI_DEVICE_DATA(INTEL, ADLS_SGMII1G_1_ID, &adls_sgmii1g_phy1_info) }, {} }; MODULE_DEVICE_TABLE(pci, intel_eth_pci_id_table);
On Intel platforms which consist of two Ethernet Controllers such as TGL-H and ADL-S, a unique MDIO bus id is required for MDIO bus to be successful registered: [ 13.076133] sysfs: cannot create duplicate filename '/class/mdio_bus/stmmac-1' [ 13.083404] CPU: 8 PID: 1898 Comm: systemd-udevd Tainted: G U 5.11.0-net-next #106 [ 13.092410] Hardware name: Intel Corporation Alder Lake Client Platform/AlderLake-S ADP-S DRR4 CRB, BIOS ADLIFSI1.R00.1494.B00.2012031421 12/03/2020 [ 13.105709] Call Trace: [ 13.108176] dump_stack+0x64/0x7c [ 13.111553] sysfs_warn_dup+0x56/0x70 [ 13.115273] sysfs_do_create_link_sd.isra.2+0xbd/0xd0 [ 13.120371] device_add+0x4df/0x840 [ 13.123917] ? complete_all+0x2a/0x40 [ 13.127636] __mdiobus_register+0x98/0x310 [libphy] [ 13.132572] stmmac_mdio_register+0x1c5/0x3f0 [stmmac] [ 13.137771] ? stmmac_napi_add+0xa5/0xf0 [stmmac] [ 13.142493] stmmac_dvr_probe+0x806/0xee0 [stmmac] [ 13.147341] intel_eth_pci_probe+0x1cb/0x250 [dwmac_intel] [ 13.152884] pci_device_probe+0xd2/0x150 [ 13.156897] really_probe+0xf7/0x4d0 [ 13.160527] driver_probe_device+0x5d/0x140 [ 13.164761] device_driver_attach+0x4f/0x60 [ 13.168996] __driver_attach+0xa2/0x140 [ 13.172891] ? device_driver_attach+0x60/0x60 [ 13.177300] bus_for_each_dev+0x76/0xc0 [ 13.181188] bus_add_driver+0x189/0x230 [ 13.185083] ? 0xffffffffc0795000 [ 13.188446] driver_register+0x5b/0xf0 [ 13.192249] ? 0xffffffffc0795000 [ 13.195577] do_one_initcall+0x4d/0x210 [ 13.199467] ? kmem_cache_alloc_trace+0x2ff/0x490 [ 13.204228] do_init_module+0x5b/0x21c [ 13.208031] load_module+0x2a0c/0x2de0 [ 13.211838] ? __do_sys_finit_module+0xb1/0x110 [ 13.216420] __do_sys_finit_module+0xb1/0x110 [ 13.220825] do_syscall_64+0x33/0x40 [ 13.224451] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 13.229515] RIP: 0033:0x7fc2b1919ccd [ 13.233113] Code: 00 c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 93 31 0c 00 f7 d8 64 89 01 48 [ 13.251912] RSP: 002b:00007ffcea2e5b98 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 13.259527] RAX: ffffffffffffffda RBX: 0000560558920f10 RCX: 00007fc2b1919ccd [ 13.266706] RDX: 0000000000000000 RSI: 00007fc2b1a881e3 RDI: 0000000000000012 [ 13.273887] RBP: 0000000000020000 R08: 0000000000000000 R09: 0000000000000000 [ 13.281036] R10: 0000000000000012 R11: 0000000000000246 R12: 00007fc2b1a881e3 [ 13.288183] R13: 0000000000000000 R14: 0000000000000000 R15: 00007ffcea2e5d58 [ 13.295389] libphy: mii_bus stmmac-1 failed to register Fixes: 88af9bd4efbd ("stmmac: intel: Add ADL-S 1Gbps PCI IDs") Fixes: 8450e23f142f ("stmmac: intel: Add PCI IDs for TGL-H platform") Signed-off-by: Wong Vee Khee <vee.khee.wong@intel.com> --- .../net/ethernet/stmicro/stmmac/dwmac-intel.c | 54 ++++++++++++++----- 1 file changed, 41 insertions(+), 13 deletions(-)