Peter Chen 82297ab25e usb: cdns3: gadget: free interrupt after gadget has deleted ... commit 98df91f8840cf750a0bc7c4c5d6b6085bac945b3 upstream. The interrupt may occur during the gadget deletion, it fixes the below oops. [ 2394.974604] configfs-gadget gadget: suspend [ 2395.042578] configfs-gadget 5b130000.usb: unregistering UDC driver [g1] [ 2395.382562] irq 229: nobody cared (try booting with the "irqpoll" option) [ 2395.389362] CPU: 0 PID: 301 Comm: kworker/u12:6 Not tainted 5.8.0-rc3-next-20200703-00060-g2f13b83cbf30-dirty #456 [ 2395.399712] Hardware name: Freescale i.MX8QM MEK (DT) [ 2395.404782] Workqueue: 2-0051 tcpm_state_machine_work [ 2395.409832] Call trace: [ 2395.412289] dump_backtrace+0x0/0x1d0 [ 2395.415950] show_stack+0x1c/0x28 [ 2395.419271] dump_stack+0xbc/0x118 [ 2395.422678] __report_bad_irq+0x50/0xe0 [ 2395.426513] note_interrupt+0x2cc/0x38c [ 2395.430355] handle_irq_event_percpu+0x88/0x90 [ 2395.434800] handle_irq_event+0x4c/0xe8 [ 2395.438640] handle_fasteoi_irq+0xbc/0x168 [ 2395.442740] generic_handle_irq+0x34/0x48 [ 2395.446752] __handle_domain_irq+0x68/0xc0 [ 2395.450846] gic_handle_irq+0x64/0x150 [ 2395.454596] el1_irq+0xb8/0x180 [ 2395.457733] __do_softirq+0xac/0x3b8 [ 2395.461310] irq_exit+0xc0/0xe0 [ 2395.464448] __handle_domain_irq+0x6c/0xc0 [ 2395.468540] gic_handle_irq+0x64/0x150 [ 2395.472295] el1_irq+0xb8/0x180 [ 2395.475436] _raw_spin_unlock_irqrestore+0x14/0x48 [ 2395.480232] usb_gadget_disconnect+0x120/0x140 [ 2395.484678] usb_gadget_remove_driver+0xb4/0xd0 [ 2395.489208] usb_del_gadget+0x6c/0xc8 [ 2395.492872] cdns3_gadget_exit+0x5c/0x120 [ 2395.496882] cdns3_role_stop+0x60/0x90 [ 2395.500634] cdns3_role_set+0x64/0xd8 [ 2395.504301] usb_role_switch_set_role.part.0+0x3c/0x90 [ 2395.509444] usb_role_switch_set_role+0x20/0x30 [ 2395.513978] tcpm_mux_set+0x60/0xf8 [ 2395.517470] tcpm_reset_port+0xa4/0xf0 [ 2395.521222] tcpm_detach.part.0+0x44/0x50 [ 2395.525227] tcpm_state_machine_work+0x8b0/0x2360 [ 2395.529932] process_one_work+0x1c8/0x470 [ 2395.533939] worker_thread+0x50/0x420 [ 2395.537603] kthread+0x148/0x168 [ 2395.540830] ret_from_fork+0x10/0x18 [ 2395.544399] handlers: [ 2395.546671] [<000000008dea28da>] cdns3_wakeup_irq [ 2395.551375] [<000000009fee5c61>] cdns3_drd_irq threaded [<000000005148eaec>] cdns3_drd_thread_irq [ 2395.560255] Disabling IRQ #229 [ 2395.563454] configfs-gadget gadget: unbind function 'Mass Storage Function'/000000000132f835 [ 2395.563657] configfs-gadget gadget: unbind [ 2395.563917] udc 5b130000.usb: releasing '5b130000.usb' Fixes: 7733f6c32e36 ("usb: cdns3: Add Cadence USB3 DRD Driver") Cc: <stable@vger.kernel.org> Acked-by: Roger Quadros <rogerq@ti.com> Signed-off-by: Peter Chen <peter.chen@nxp.com> Signed-off-by: Felipe Balbi <balbi@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>		2021-03-16 16:39:27 +08:00
..
Kconfig	Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces.	2021-03-16 11:01:34 +08:00
Makefile	Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces.	2021-03-16 11:01:34 +08:00
cdns3-pci-wrap.c	Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces.	2021-03-16 11:01:34 +08:00
core.c	Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces.	2021-03-16 11:01:34 +08:00
core.h	Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces.	2021-03-16 11:01:34 +08:00
debug.h	Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces.	2021-03-16 11:01:34 +08:00
drd.c	Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces.	2021-03-16 11:01:34 +08:00
drd.h	Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces.	2021-03-16 11:01:34 +08:00
ep0.c	usb: cdns3: ep0: fix some endian issues	2021-03-16 16:32:32 +08:00
gadget-export.h	Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces.	2021-03-16 11:01:34 +08:00
gadget.c	usb: cdns3: gadget: free interrupt after gadget has deleted	2021-03-16 16:39:27 +08:00
gadget.h	Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces.	2021-03-16 11:01:34 +08:00
host-export.h	Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces.	2021-03-16 11:01:34 +08:00
host.c	Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces.	2021-03-16 11:01:34 +08:00
trace.c	Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces.	2021-03-16 11:01:34 +08:00
trace.h	usb: cdns3: trace: fix some endian issues	2021-03-16 16:32:32 +08:00