Li Jun d3c02ae356 MLK-23342-2 usb: host: xhci-plat: keep runtime active when remove host ... While remove host(e.g. for USB role switch from host to device), if runtime pm is enabled, a runtime suspend may happen which cause below kernel dump: [ 121.438091] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000240 [ 121.446913] Mem abort info: [ 121.449707] ESR = 0x96000004 [ 121.452960] xhci-hcd xhci-hcd.1.auto: // Halt the HC [ 121.457935] xhci-hcd xhci-hcd.1.auto: // Reset the HC [ 121.463262] xhci-hcd xhci-hcd.1.auto: Wait for controller to be ready for doorbell rings [ 121.471410] EC = 0x25: DABT (current EL), IL = 32 bits [ 121.476769] SET = 0, FnV = 0 [ 121.479865] EA = 0, S1PTW = 0 [ 121.483036] Data abort info: [ 121.485921] ISV = 0, ISS = 0x00000004 [ 121.489913] xhci-hcd xhci-hcd.1.auto: // Disabling event ring interrupts [ 121.496740] CM = 0, WnR = 0 [ 121.499773] user pgtable: 4k pages, 48-bit VAs, pgdp=00000001b7b18000 [ 121.506342] xhci-hcd xhci-hcd.1.auto: cleaning up memory [ 121.511824] xhci-hcd xhci-hcd.1.auto: Freed event ring [ 121.517028] xhci-hcd xhci-hcd.1.auto: Freed command ring [ 121.522391] [0000000000000240] pgd=0000000000000000 [ 121.527314] Internal error: Oops: 96000004 [#1] PREEMPT SMP [ 121.532890] Modules linked in: [ 121.535951] CPU: 0 PID: 5 Comm: kworker/0:0 Not tainted 5.4.3-00107-g64d454a-dirty #1219 [ 121.544039] Hardware name: FSL i.MX8MP EVK (DT) [ 121.548578] Workqueue: pm pm_runtime_work [ 121.552590] pstate: 60000005 (nZCv daif -PAN -UAO) [ 121.557385] pc : xhci_suspend+0x34/0x698 [ 121.561311] lr : xhci_plat_runtime_suspend+0x2c/0x38 [ 121.566275] sp : ffff800011ddbbc0 [ 121.569588] x29: ffff800011ddbbc0 x28: 0000000000000000 [ 121.574900] x27: 0000000000000008 x26: ffff800011b28000 [ 121.580212] x25: ffff80001012b328 x24: ffff800011ddbd48 [ 121.585523] x23: 0000000000000000 x22: ffff80001076ed78 [ 121.590837] x21: ffff000177896000 x20: ffff0001714ebce4 [ 121.596152] x19: ffff000177896000 x18: ffffffffffffffff [ 121.601464] x17: 0000000000000000 x16: 0000000000000000 [ 121.606777] x15: ffff800011b288c8 x14: 0000000000000261 [ 121.612089] x13: 0000000000000001 x12: 0000000000000001 [ 121.617401] x11: 0000000000000000 x10: 00000000000009c0 [ 121.622714] x9 : ffff800011ddbd40 x8 : fefefefefefefeff [ 121.628028] x7 : 0000000000000000 x6 : 000000003ca92688 [ 121.633338] x5 : 00ffffffffffffff x4 : 001b6b0b00000000 [ 121.638651] x3 : ffff0001714ebc10 x2 : 0000000000000000 [ 121.643962] x1 : 0000000000000001 x0 : ffff000177896250 [ 121.649277] Call trace: [ 121.651726] xhci_suspend+0x34/0x698 [ 121.655304] xhci_plat_runtime_suspend+0x2c/0x38 [ 121.659924] pm_generic_runtime_suspend+0x28/0x40 [ 121.664628] __rpm_callback+0xd8/0x138 [ 121.668376] rpm_callback+0x24/0x98 [ 121.671868] rpm_suspend+0xe0/0x448 [ 121.675358] rpm_idle+0x124/0x140 [ 121.678675] pm_runtime_work+0xa0/0xf8 [ 121.682426] process_one_work+0x1dc/0x370 [ 121.686434] worker_thread+0x48/0x468 [ 121.690100] kthread+0xf0/0x120 [ 121.693244] ret_from_fork+0x10/0x1c So keep the xhci-plat device active during remove host. Reviewed-by: Peter Chen <peter.chen@nxp.com> Signed-off-by: Li Jun <jun.li@nxp.com>		2020-02-22 17:08:53 +08:00
..
atm	USB: atm: cxacru: convert to use dev_groups	2019-08-09 07:55:45 +02:00
c67x00	USB: add SPDX identifiers to all remaining Makefiles	2017-11-07 15:53:48 +01:00
cdns3	MLK-23181-5 usb: cdns3: gadget: need to handle sg case for cdns3_descmiss_copy_data	2020-01-20 17:26:31 +08:00
chipidea	LF-705-1 usb: chipidea: udc: delete the redundancy code	2020-02-16 21:01:30 +08:00
class	USB: usblp: fix use-after-free on disconnect	2019-10-15 20:19:19 +02:00
common	usb: common: add USB GPIO based connection detection driver	2019-09-03 19:01:04 +02:00
core	MLK-9829 usb: core: print suggested message if failed to get device descriptor	2019-11-25 15:57:32 +08:00
dwc2	usb: dwc2: use a longer core rest timeout in dwc2_core_reset()	2019-12-04 22:30:45 +01:00
dwc3	MLK-23342-1 usb: dwc3: core: don't do suspend for device if suspended	2020-02-22 17:07:10 +08:00
early	drivers: Remove explicit invocations of mmiowb()	2019-04-08 12:01:02 +01:00
gadget	LF-468-2 usb: gadget: f_fs: set req->num_sgs as 0 for non-sg transfer	2019-12-18 15:12:09 +08:00
host	MLK-23342-2 usb: host: xhci-plat: keep runtime active when remove host	2020-02-22 17:08:53 +08:00
image	USB: microtek: fix info-leak at probe	2019-10-04 11:02:58 +02:00
isp1760	usb: add a HCD_DMA flag instead of guestimating DMA capabilities	2019-08-21 10:03:35 -07:00
misc	appledisplay: fix error handling in the scheduled work	2019-11-29 10:10:25 +01:00
mon	docs: usb: rename files to .rst and add them to drivers-api	2019-06-20 14:28:36 +02:00
mtu3	usb: mtu3: fix missing include of mtu3_dr.h	2019-10-27 08:58:44 +02:00
musb	usb: add a HCD_DMA flag instead of guestimating DMA capabilities	2019-08-21 10:03:35 -07:00
phy	usb: phy: show USB charger type for user	2019-11-25 15:57:26 +08:00
renesas_usbhs	usb: renesas_usbhs: fix type of buf	2019-10-27 08:58:44 +02:00
roles	USB changes for 5.4-rc1	2019-09-18 10:33:46 -07:00
serial	USB: serial: ftdi_sio: add device IDs for U-Blox C099-F9P	2019-12-04 22:30:48 +01:00
storage	UAS: Revert commit 3ae62a4209 ("UAS: fix alignment of scatter/gather segments")	2019-10-28 17:53:39 +01:00
typec	usb: typec: tcpci: mask event interrupts when remove driver	2020-02-20 14:27:36 +08:00
usbip	usbip: Fix uninitialized symbol 'nents' in stub_recv_cmd_submit()	2019-11-29 10:10:22 +01:00
Kconfig	MLK-16065-7 usb: cdns3: add Cadence USB3 controller driver	2019-11-25 15:55:32 +08:00
Makefile	MLK-16065-7 usb: cdns3: add Cadence USB3 controller driver	2019-11-25 15:55:32 +08:00
usb-skeleton.c	USB: usb-skeleton: drop redundant in-urb check	2019-10-10 12:41:19 +02:00