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cddd459140
Add patches for linux-5.4. The patches are from NXP LSDK-20.04 release which was tagged LSDK-20.04-V5.4. https://source.codeaurora.org/external/qoriq/qoriq-components/linux/ For boards LS1021A-IOT, and Traverse-LS1043 which are not involved in LSDK, port the dts patches from 4.14. The patches are sorted into the following categories: 301-arch-xxxx 302-dts-xxxx 303-core-xxxx 701-net-xxxx 801-audio-xxxx 802-can-xxxx 803-clock-xxxx 804-crypto-xxxx 805-display-xxxx 806-dma-xxxx 807-gpio-xxxx 808-i2c-xxxx 809-jailhouse-xxxx 810-keys-xxxx 811-kvm-xxxx 812-pcie-xxxx 813-pm-xxxx 814-qe-xxxx 815-sata-xxxx 816-sdhc-xxxx 817-spi-xxxx 818-thermal-xxxx 819-uart-xxxx 820-usb-xxxx 821-vfio-xxxx Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
59 lines
1.9 KiB
Diff
59 lines
1.9 KiB
Diff
From 73204b342fbee1fd9364365c1213815cc715eee2 Mon Sep 17 00:00:00 2001
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From: Claudiu Manoil <claudiu.manoil@nxp.com>
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Date: Thu, 14 Nov 2019 16:22:39 +0200
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Subject: [PATCH] enetc: Remove mdio bus on PF probe error path
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Fixes following kernel panic on the probing error
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path, when pci=nomsi bootarg is used (which is
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not supporrted by the enetc dirver):
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fsl_enetc 0000:00:00.0: MSIX alloc failed
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------------[ cut here ]------------
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kernel BUG at drivers/net/phy/mdio_bus.c:487!
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Internal error: Oops - BUG: 0 [#1] PREEMPT SMP
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Modules linked in:
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Process swapper/0 (pid: 1, stack limit = 0x(____ptrval____))
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CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.19.68-00004-g85dc4876e6e6 #1
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Hardware name: LS1028A RDB Board (DT)
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pstate: 80000005 (Nzcv daif -PAN -UAO)
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pc : mdiobus_free+0x5c/0x60
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lr : _devm_mdiobus_free+0x20/0x30
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[...]
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Call trace:
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mdiobus_free+0x5c/0x60
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_devm_mdiobus_free+0x20/0x30
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release_nodes+0x148/0x238
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devres_release_all+0x3c/0x68
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really_probe+0x90/0x2a0
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driver_probe_device+0x5c/0x100
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__driver_attach+0xf0/0xf8
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bus_for_each_dev+0x84/0xd8
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driver_attach+0x30/0x40
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bus_add_driver+0x1c4/0x230
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driver_register+0x64/0x110
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__pci_register_driver+0x58/0x68
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enetc_pf_driver_init+0x28/0x30
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do_one_initcall+0x54/0x268
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kernel_init_freeable+0x2d0/0x37c
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kernel_init+0x18/0x118
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ret_from_fork+0x10/0x1c
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Code: 97e0dd79 f9400bf3 a8c27bfd d65f03c0 (d4210000)
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---[ end trace 1e4e5729f059b773 ]---
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Fixes: ebfcb23d62ab ("enetc: Add ENETC PF level external MDIO support")
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Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
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---
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drivers/net/ethernet/freescale/enetc/enetc_pf.c | 1 +
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1 file changed, 1 insertion(+)
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--- a/drivers/net/ethernet/freescale/enetc/enetc_pf.c
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+++ b/drivers/net/ethernet/freescale/enetc/enetc_pf.c
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@@ -952,6 +952,7 @@ err_alloc_si_res:
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si->ndev = NULL;
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free_netdev(ndev);
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err_alloc_netdev:
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+ enetc_mdio_remove(pf);
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enetc_of_put_phy(pf);
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err_map_pf_space:
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enetc_pci_remove(pdev);
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