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Code Issues Releases Packages Activity
linux/drivers/usb
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Li Jun 2e2145ccfb usb: chipidea: udc: assign interrupt number to USB gadget structure 
[ Upstream commit 9e3927f637 ]

Chipidea also need sync interrupt before unbind the udc while
gadget remove driver, otherwise setup irq handling may happen
while unbind, see below dump generated from android function
switch stress test:

[ 4703.503056] android_work: sent uevent USB_STATE=CONNECTED
[ 4703.514642] android_work: sent uevent USB_STATE=DISCONNECTED
[ 4703.651339] android_work: sent uevent USB_STATE=CONNECTED
[ 4703.661806] init: Control message: Processed ctl.stop for 'adbd' from pid: 561 (system_server)
[ 4703.673469] init: processing action (init.svc.adbd=stopped) from (/system/etc/init/hw/init.usb.configfs.rc:14)
[ 4703.676451] Unable to handle kernel read from unreadable memory at virtual address 0000000000000090
[ 4703.676454] Mem abort info:
[ 4703.676458]   ESR = 0x96000004
[ 4703.676461]   EC = 0x25: DABT (current EL), IL = 32 bits
[ 4703.676464]   SET = 0, FnV = 0
[ 4703.676466]   EA = 0, S1PTW = 0
[ 4703.676468] Data abort info:
[ 4703.676471]   ISV = 0, ISS = 0x00000004
[ 4703.676473]   CM = 0, WnR = 0
[ 4703.676478] user pgtable: 4k pages, 48-bit VAs, pgdp=000000004a867000
[ 4703.676481] [0000000000000090] pgd=0000000000000000, p4d=0000000000000000
[ 4703.676503] Internal error: Oops: 96000004 [#1] PREEMPT SMP
[ 4703.758297] Modules linked in: synaptics_dsx_i2c moal(O) mlan(O)
[ 4703.764327] CPU: 0 PID: 235 Comm: lmkd Tainted: G        W  O      5.10.9-00001-g3f5fd8487c38-dirty #63
[ 4703.773720] Hardware name: NXP i.MX8MNano EVK board (DT)
[ 4703.779033] pstate: 60400085 (nZCv daIf +PAN -UAO -TCO BTYPE=--)
[ 4703.785046] pc : _raw_write_unlock_bh+0xc0/0x2c8
[ 4703.789667] lr : android_setup+0x4c/0x168
[ 4703.793676] sp : ffff80001256bd80
[ 4703.796989] x29: ffff80001256bd80 x28: 00000000000000a8
[ 4703.802304] x27: ffff800012470000 x26: ffff80006d923000
[ 4703.807616] x25: ffff800012471000 x24: ffff00000b091140
[ 4703.812929] x23: ffff0000077dbd38 x22: ffff0000077da490
[ 4703.818242] x21: ffff80001256be30 x20: 0000000000000000
[ 4703.823554] x19: 0000000000000080 x18: ffff800012561048
[ 4703.828867] x17: 0000000000000000 x16: 0000000000000039
[ 4703.834180] x15: ffff8000106ad258 x14: ffff80001194c277
[ 4703.839493] x13: 0000000000003934 x12: 0000000000000000
[ 4703.844805] x11: 0000000000000000 x10: 0000000000000001
[ 4703.850117] x9 : 0000000000000000 x8 : 0000000000000090
[ 4703.855429] x7 : 6f72646e61203a70 x6 : ffff8000124f2450
[ 4703.860742] x5 : ffffffffffffffff x4 : 0000000000000009
[ 4703.866054] x3 : ffff8000108a290c x2 : ffff00007fb3a9c8
[ 4703.871367] x1 : 0000000000000000 x0 : 0000000000000090
[ 4703.876681] Call trace:
[ 4703.879129]  _raw_write_unlock_bh+0xc0/0x2c8
[ 4703.883397]  android_setup+0x4c/0x168
[ 4703.887059]  udc_irq+0x824/0xa9c
[ 4703.890287]  ci_irq+0x124/0x148
[ 4703.893429]  __handle_irq_event_percpu+0x84/0x268
[ 4703.898131]  handle_irq_event+0x64/0x14c
[ 4703.902054]  handle_fasteoi_irq+0x110/0x210
[ 4703.906236]  __handle_domain_irq+0x8c/0xd4
[ 4703.910332]  gic_handle_irq+0x6c/0x124
[ 4703.914081]  el1_irq+0xdc/0x1c0
[ 4703.917221]  _raw_spin_unlock_irq+0x20/0x54
[ 4703.921405]  finish_task_switch+0x84/0x224
[ 4703.925502]  __schedule+0x4a4/0x734
[ 4703.928990]  schedule+0xa0/0xe8
[ 4703.932132]  do_notify_resume+0x150/0x184
[ 4703.936140]  work_pending+0xc/0x40c
[ 4703.939633] Code: d5384613 521b0a69 d5184609 f9800111 (885ffd01)
[ 4703.945732] ---[ end trace ba5c1875ae49d53c ]---
[ 4703.950350] Kernel panic - not syncing: Oops: Fatal exception in interrupt
[ 4703.957223] SMP: stopping secondary CPUs
[ 4703.961151] Kernel Offset: disabled
[ 4703.964638] CPU features: 0x0240002,2000200c
[ 4703.968905] Memory Limit: none
[ 4703.971963] Rebooting in 5 seconds..

Tested-by: faqiang.zhu <faqiang.zhu@nxp.com>
Signed-off-by: Li Jun <jun.li@nxp.com>
Link: https://lore.kernel.org/r/1620989984-7653-1-git-send-email-jun.li@nxp.com
Signed-off-by: Peter Chen <peter.chen@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2021-06-16 12:01:35 +02:00
..
atm usb: atm: don't use snprintf() for sysfs attrs 2020-08-25 19:11:18 +02:00
c67x00 Linux 5.9-rc3 2020-08-31 07:11:45 +02:00
cdns3 usb: cdns3: Fix runtime PM imbalance on error 2021-06-16 12:01:35 +02:00
chipidea usb: chipidea: udc: assign interrupt number to USB gadget structure 2021-06-16 12:01:35 +02:00
class cdc-wdm: untangle a circular dependency between callback and softint 2021-05-19 10:13:16 +02:00
common usb: common: usb-conn-gpio: Print error on failure to get VBUS 2020-08-18 12:13:44 +02:00
core usb: core: reduce power-on-good delay time of root hub 2021-06-03 09:00:52 +02:00
dwc2 usb: dwc2: Fix build in periphal-only mode 2021-06-10 13:39:26 +02:00
dwc3 usb: dwc3: gadget: Properly track pending and queued SG 2021-06-03 09:00:35 +02:00
early usb: early: ehci-dbgp: convert to readl_poll_timeout_atomic() 2020-09-25 16:29:09 +02:00
gadget usb: gadget: udc: renesas_usb3: Fix a race in usb3_start_pipen() 2021-06-03 09:00:35 +02:00
host usb: sl811-hcd: improve misleading indentation 2021-05-22 11:40:51 +02:00
image USB: microtek: use set_host_byte() 2020-09-16 12:42:10 +02:00
isp1760 usb: isp1760-hcd: convert to readl_poll_timeout_atomic() 2020-09-25 16:30:05 +02:00
misc USB: trancevibrator: fix control-request direction 2021-06-03 09:00:34 +02:00
mon USB: mon: Use scnprintf() for avoiding potential buffer overflow 2020-03-12 09:49:28 +01:00
mtu3 usb: mtu3: fix memory corruption in mtu3_debugfs_regset() 2020-12-26 16:02:38 +01:00
musb usb: musb: Fix an error message 2021-05-19 10:13:13 +02:00
phy usb: phy: phy-ab8500-usb: fix spello of "function" 2020-10-02 09:57:41 +03:00
renesas_usbhs usb: renesas_usbhs: Clear PIPECFG for re-enabling pipe with other EPNUM 2021-03-17 17:06:29 +01:00
roles usb: roles: Call try_module_get() from usb_role_switch_find_by_fwnode() 2021-05-14 09:49:55 +02:00
serial USB: serial: pl2303: add device id for ADLINK ND-6530 GC 2021-06-03 09:00:35 +02:00
storage usb-storage: Add quirk to defeat Kindle's automatic unload 2021-03-25 09:04:14 +01:00
typec usb: typec: mux: Fix matching with typec_altmode_desc 2021-06-03 09:00:35 +02:00
usbip usbip: vudc: fix missing unlock on error in usbip_sockfd_store() 2021-05-14 09:50:19 +02:00
Kconfig treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
Makefile USB: Changes for v5.4 merge window 2019-09-02 19:20:57 +02:00
usb-skeleton.c USB: usb-skeleton: drop redundant in-urb check 2019-10-10 12:41:19 +02:00