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Date: Mon, 1 Mar 2021 11:43:16 +0100
From: Frank Wunderlich <frank-w@...lic-files.de>
To: Marc Zyngier <maz@...nel.org>
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
Bjorn Helgaas <bhelgaas@...gle.com>,
Thierry Reding <treding@...dia.com>,
Thomas Gleixner <tglx@...utronix.de>,
Rob Herring <robh@...nel.org>, Will Deacon <will@...nel.org>,
"K. Y. Srinivasan" <kys@...rosoft.com>,
Haiyang Zhang <haiyangz@...rosoft.com>,
Stephen Hemminger <sthemmin@...rosoft.com>,
Wei Liu <wei.liu@...nel.org>,
Thierry Reding <thierry.reding@...il.com>,
Jonathan Hunter <jonathanh@...dia.com>,
Ryder Lee <ryder.lee@...iatek.com>,
Marek Vasut <marek.vasut+renesas@...il.com>,
Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>,
Michal Simek <michal.simek@...inx.com>,
Paul Walmsley <paul.walmsley@...ive.com>,
linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, linux-hyperv@...r.kernel.org,
linux-tegra@...r.kernel.org, linux-mediatek@...ts.infradead.org,
linux-renesas-soc@...r.kernel.org
Subject: Aw: [PATCH 09/13] PCI: mediatek: Advertise lack of MSI handling
tested full series on bananapi-r2 and r64
r2 (with mt7615) looks good.
on r64 (with atheros card WLE900VX) i see this while loading ath10k driver:
[ 6.525981] ath10k_pci 0000:01:00.0: enabling device (0000 -> 0002)
[ 6.537810] ath10k_pci 0000:01:00.0: enabling bus mastering
[ 6.543831] Unable to handle kernel paging request at virtual address ffffff4
013be2a80
[ 6.551890] Mem abort info:
[ 6.554744] ESR = 0x96000044
[ 6.557870] EC = 0x25: DABT (current EL), IL = 32 bits
[ 6.563267] SET = 0, FnV = 0
[ 6.566396] EA = 0, S1PTW = 0
[ 6.569611] Data abort info:
[ 6.572501] ISV = 0, ISS = 0x00000044
[ 6.576411] CM = 0, WnR = 1
[ 6.579450] [ffffff4013be2a80] address between user and kernel address ranges
[ 6.586659] Internal error: Oops: 96000044 [#1] PREEMPT SMP
[ 6.592248] Modules linked in: ath10k_pci(+) ath10k_core ath mac80211 libarc4
btmtkuart cfg80211 bluetooth ecdh_generic ecc rfkill libaes ip_tables x_tables
[ 6.606329] CPU: 1 PID: 114 Comm: systemd-udevd Not tainted 5.11.0-bpi-r64-pc
i #3
[ 6.613819] Hardware name: Bananapi BPI-R64 (DT)
[ 6.618439] pstate: 80000005 (Nzcv daif -PAN -UAO -TCO BTYPE=--)
[ 6.624452] pc : queued_spin_lock_slowpath+0x1e8/0x31c
[ 6.629608] lr : queued_spin_lock_slowpath+0xac/0x31c
[ 6.634666] sp : ffffffc010f63550
[ 6.637982] x29: ffffffc010f63550 x28: 000000000000fc7e
[ 6.643306] x27: ffffffc010c67410 x26: 0000000000080000
[ 6.648629] x25: ffffffc010c67880 x24: ffffffc010f63810
[ 6.653950] x23: 0000000000000000 x22: ffffffc010ba8860
[ 6.659270] x21: ffffff803fdcc540 x20: ffffffc010a1c540
[ 6.664591] x19: ffffff80016a1708 x18: 0000000000000000
[ 6.669914] x17: 0000000000000000 x16: 0000000000000000
[ 6.675236] x15: 000000000000000a x14: 0000000000000092
[ 6.680560] x13: ffffff8006671004 x12: 0000000000000000
[ 6.685883] x11: 0101010101010101 x10: ffffff8001635568
[ 6.691206] x9 : 0000000000080000 x8 : ffffff8001635560
[ 6.696529] x7 : 0000000000000000 x6 : ffffff803fdcc540
[ 6.701849] x5 : 0000000000000002 x4 : 0000000000080000
[ 6.707170] x3 : ffffff80016a170a x2 : 000000000000016a
[ 6.712493] x1 : ffffff80031c6520 x0 : ffffffc010a1c560
[ 6.717818] Call trace:
[ 6.720276] queued_spin_lock_slowpath+0x1e8/0x31c
[ 6.725086] do_raw_spin_lock+0x2c/0x38
[ 6.728931] _raw_spin_lock+0x24/0x34
[ 6.732606] __mutex_lock.isra.0+0xc4/0x29c
[ 6.736799] __mutex_lock_slowpath+0x14/0x20
[ 6.741078] mutex_lock+0x28/0x34
[ 6.744402] mtk_pcie_irq_domain_alloc+0x3c/0xd0
[ 6.749037] irq_domain_alloc_irqs_hierarchy+0x50/0x54
[ 6.754187] irq_domain_alloc_irqs_parent+0x18/0x2c
[ 6.759073] msi_domain_alloc+0x8c/0x12c
[ 6.763007] irq_domain_alloc_irqs_hierarchy+0x50/0x54
[ 6.768154] __irq_domain_alloc_irqs+0x114/0x344
[ 6.772780] __msi_domain_alloc_irqs+0x110/0x318
[ 6.777408] msi_domain_alloc_irqs+0x1c/0x28
[ 6.781685] pci_msi_setup_msi_irqs.isra.0+0x2c/0x44
[ 6.786662] __pci_enable_msi_range+0x230/0x320
[ 6.791202] pci_enable_msi+0x1c/0x30
[ 6.794874] ath10k_pci_probe+0x480/0x748 [ath10k_pci]
[ 6.800058] pci_device_probe+0xbc/0x14c
[ 6.804014] really_probe+0x2a0/0x470
[ 6.807701] driver_probe_device+0x12c/0x13c
[ 6.811981] device_driver_attach+0x44/0x70
[ 6.816181] __driver_attach+0x13c/0x140
[ 6.820126] bus_for_each_dev+0x70/0xc0
[ 6.823971] driver_attach+0x24/0x30
[ 6.827556] bus_add_driver+0x1a4/0x1ec
[ 6.831401] driver_register+0xb4/0xec
[ 6.835168] __pci_register_driver+0x44/0x50
[ 6.839465] ath10k_pci_init+0x28/0x1000 [ath10k_pci]
[ 6.844563] do_one_initcall+0x6c/0x188
[ 6.848431] do_init_module+0x5c/0x1e8
[ 6.852205] load_module+0x1124/0x11c8
[ 6.855967] __do_sys_finit_module+0xdc/0x100
[ 6.860335] __arm64_sys_finit_module+0x1c/0x28
[ 6.864877] el0_svc_common.constprop.0+0x124/0x198
[ 6.869766] do_el0_svc+0x48/0x78
[ 6.873089] el0_svc+0x14/0x20
[ 6.876158] el0_sync_handler+0xcc/0x154
[ 6.880091] el0_sync+0x174/0x180
[ 6.883425] Code: d37c0400 51000421 8b000280 f861dac1 (f8216806)
[ 6.889525] ---[ end trace 62498e1f489ea3ab ]---
i guess it's a bug in ath10k driver or my r64 board (it is a v1.1 which has missing capacitors on tx lines).
Tried with an mt7612e, this seems to work without any errors.
so for mt7622/mt7623
Tested-by: Frank Wunderlich <frank-w@...lic-files.de>
regards Frank
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