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TencentOS-kernel/drivers/usb
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Qais Yousef 52ebc13bea usb/ohci-platform: Fix a warning when hibernating 
[ Upstream commit 1cb3b0095c3d0bb96912bfbbce4fc006d41f367c ]

The following warning was observed when attempting to suspend to disk
using a USB flash as a swap device.

[  111.779649] ------------[ cut here ]------------
[  111.788382] URB (____ptrval____) submitted while active
[  111.796646] WARNING: CPU: 3 PID: 365 at drivers/usb/core/urb.c:363 usb_submit_urb+0x3d8/0x590
[  111.805417] Modules linked in:
[  111.808584] CPU: 3 PID: 365 Comm: kworker/3:2 Not tainted 5.6.0-rc6-00002-gdfd1731f9a3e-dirty #545
[  111.817796] Hardware name: ARM Juno development board (r2) (DT)
[  111.823896] Workqueue: usb_hub_wq hub_event
[  111.828217] pstate: 60000005 (nZCv daif -PAN -UAO)
[  111.833156] pc : usb_submit_urb+0x3d8/0x590
[  111.837471] lr : usb_submit_urb+0x3d8/0x590
[  111.841783] sp : ffff800018de38b0
[  111.845205] x29: ffff800018de38b0 x28: 0000000000000003
[  111.850682] x27: ffff000970530b20 x26: ffff8000133fd000
[  111.856159] x25: ffff8000133fd000 x24: ffff800018de3b38
[  111.861635] x23: 0000000000000004 x22: 0000000000000c00
[  111.867112] x21: 0000000000000000 x20: 00000000fffffff0
[  111.872589] x19: ffff0009704e7a00 x18: ffffffffffffffff
[  111.878065] x17: 00000000a7c8f4bc x16: 000000002af33de8
[  111.883542] x15: ffff8000133fda88 x14: 0720072007200720
[  111.889019] x13: 0720072007200720 x12: 0720072007200720
[  111.894496] x11: 0000000000000000 x10: 00000000a5286134
[  111.899973] x9 : 0000000000000002 x8 : ffff000970c837a0
[  111.905449] x7 : 0000000000000000 x6 : ffff800018de3570
[  111.910926] x5 : 0000000000000001 x4 : 0000000000000003
[  111.916401] x3 : 0000000000000000 x2 : ffff800013427118
[  111.921879] x1 : 9d4e965b4b7d7c00 x0 : 0000000000000000
[  111.927356] Call trace:
[  111.929892]  usb_submit_urb+0x3d8/0x590
[  111.933852]  hub_activate+0x108/0x7f0
[  111.937633]  hub_resume+0xac/0x148
[  111.941149]  usb_resume_interface.isra.10+0x60/0x138
[  111.946265]  usb_resume_both+0xe4/0x140
[  111.950225]  usb_runtime_resume+0x24/0x30
[  111.954365]  __rpm_callback+0xdc/0x138
[  111.958236]  rpm_callback+0x34/0x98
[  111.961841]  rpm_resume+0x4a8/0x720
[  111.965445]  rpm_resume+0x50c/0x720
[  111.969049]  __pm_runtime_resume+0x4c/0xb8
[  111.973276]  usb_autopm_get_interface+0x28/0x60
[  111.977948]  hub_event+0x80/0x16d8
[  111.981466]  process_one_work+0x2a4/0x748
[  111.985604]  worker_thread+0x48/0x498
[  111.989387]  kthread+0x13c/0x140
[  111.992725]  ret_from_fork+0x10/0x18
[  111.996415] irq event stamp: 354
[  111.999756] hardirqs last  enabled at (353): [<ffff80001019ea1c>] console_unlock+0x504/0x5b8
[  112.008441] hardirqs last disabled at (354): [<ffff8000100a95d0>] do_debug_exception+0x1a8/0x258
[  112.017479] softirqs last  enabled at (350): [<ffff8000100818a4>] __do_softirq+0x4bc/0x568
[  112.025984] softirqs last disabled at (343): [<ffff8000101145a4>] irq_exit+0x144/0x150
[  112.034129] ---[ end trace dc96030b9cf6c8a3 ]---

The problem was tracked down to a missing call to
pm_runtime_set_active() on resume in ohci-platform.

Link: https://lore.kernel.org/lkml/20200323143857.db5zphxhq4hz3hmd@e107158-lin.cambridge.arm.com/
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Qais Yousef <qais.yousef@arm.com>
CC: Tony Prisk <linux@prisktech.co.nz>
CC: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
CC: Mathias Nyman <mathias.nyman@intel.com>
CC: Oliver Neukum <oneukum@suse.de>
CC: linux-arm-kernel@lists.infradead.org
CC: linux-usb@vger.kernel.org
CC: linux-kernel@vger.kernel.org
Link: https://lore.kernel.org/r/20200518154931.6144-1-qais.yousef@arm.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
 		2021-03-16 16:30:18 +08:00
..
atm Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
c67x00 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 usb: cdns3: gadget: prev_req->trb is NULL for ep0 2021-03-16 16:28:00 +08:00
chipidea usb: chipidea: msm: Ensure proper controller reset using role switch API 2021-03-16 16:27:38 +08:00
class usblp: poison URBs upon disconnect 2021-03-16 16:29:59 +08:00
common 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 USB: core: Fix misleading driver bug report 2021-03-16 16:28:11 +08:00
dwc2 Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
dwc3 usb: dwc3: gadget: Properly handle failed kick_transfer 2021-03-16 16:30:12 +08:00
early USB: early: Handle AMD's spec-compliant identifiers, too 2021-03-16 16:26:55 +08:00
gadget usb: gadget: core: sync interrupt before unbind the udc 2021-03-16 16:30:03 +08:00
host usb/ohci-platform: Fix a warning when hibernating 2021-03-16 16:30:18 +08:00
image Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
isp1760 Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
misc USB: sisusbvga: Change port variable from signed to unsigned 2021-03-16 16:26:55 +08:00
mon Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
mtu3 Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
musb usb: musb: Fix runtime PM imbalance on error 2021-03-16 16:28:52 +08:00
phy usb: phy: twl6030-usb: Fix a resource leak in an error handling path in 'twl6030_usb_probe()' 2021-03-16 16:28:29 +08:00
renesas_usbhs Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
roles Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
serial USB: serial: ch341: add basis for quirk detection 2021-03-16 16:28:51 +08:00
storage USB: uas: add quirk for LaCie 2Big Quadra 2021-03-16 16:27:38 +08:00
typec usb: typec: altmode: Fix typec_altmode_get_partner sometimes returning an invalid pointer 2021-03-16 16:27:03 +08:00
usbip Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +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
usb-skeleton.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