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usbnet:USBLAN Super speed plus support

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Set the ssp_descriptors as ss_descriptors
in Moto USBLAN driver, otherwise
panic will be triggered when connected
With super speed plus supported PC

panic trace:

configfs-gadget gadget: super-speed-plus config #1: b
 configfs-gadget gadget: usbnet_set_alt intf: 1 alt: 0
 configfs-gadget gadget: do_set_config ep ep2in
 configfs-gadget gadget: config_ep_by_speed ep ep2in
 Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000
 pstate: 60c00085 (nZCv daIf +PAN +UAO)
 pc : config_ep_by_speed_and_alt+0x90/0x308
 lr : config_ep_by_speed+0x14/0x20
 sp : ffffffc0131f3980
 x29: ffffffc0131f3990 x28: 0000000000000001 
 x27: 0000000000007fff x26: ffffffe13d3f3254 
 x25: ffffff81c041Montana0 x24: ffffff81c0504f00 
 x23: 0000000000000001 x22: ffffff81c07bf480 
 x21: 0000000000000001 x20: ffffff81c0504f00 
 x19: ffffff81c166ca00 x18: ffffffc012931080 
 x17: 0000000000000041 x16: ffffffe13d3e4b0c 
 x15: ffffffe13e0a9197 x14: 0000000000000050 
 x13: 0000000000001e06 x12: 00000000341555ac 
 x11: 00000000fffd4775 x10: 0000000000000000 
 x9 : 0000000000000001 x8 : ffffff81c0504f28 
 x7 : 0000000000000000 x6 : ffffffe13eb2592b 
 x5 : 0000000000000054 x4 : 0000000000000008 
 x3 : 0000000000000000 x2 : ffffff81d11d9e00 
 x1 : ffffff81c0504f00 x0 : ffffff81d11a93c8 
 Call trace:
  config_ep_by_speed_and_alt+0x90/0x308
  config_ep_by_speed+0x14/0x20
  do_set_config+0x70/0x2f8 [moto_f_usbnet]
  usbnet_set_alt+0x30/0x60 [moto_f_usbnet]
  set_config+0x29c/0x56c
  composite_setup+0x40c/0x188c
  android_setup+0x11c/0x180
  dwc3_ep0_set_config+0x548/0x830
  dwc3_ep0_inspect_setup+0x234/0x334
  dwc3_ep0_interrupt+0x98/0x338
  dwc3_process_event_entry+0x144/0x678
  dwc3_process_event_buf+0x68/0x580
  dwc3_bh_work+0x64/0xf8
  process_one_work+0x2cc/0x568
  worker_thread+0x28c/0x518
  kthread+0x160/0x170
  ret_from_fork+0x10/0x18


Change-Id: I68c8309ad81a36c4c40657e62c45a6902a17dde6
Signed-off-by: a17671 <a17671@motorola.com>
Reviewed-on: https://gerrit.mot.com/2048201
SLTApproved: Slta Waiver
SME-Granted: SME Approvals Granted
Tested-by: Jira Key
Reviewed-by: Yonghua Yan <yanyh2@motorola.com>
Reviewed-by: Yuecai Liu <liuyc20@motorola.com>
Reviewed-by: Ling Jin <lingjin@motorola.com>
Submit-Approved: Jira Key
This commit is contained in:
a17671 2021-08-23 13:34:35 +08:00 • committed by Zonghua Liu
commit c9837700df
1 changed files with 1 additions and 0 deletions
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1
drivers/moto_f_usbnet/f_usbnet.c
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@ -1043,6 +1043,7 @@ static struct usb_function *usbnet_alloc(struct usb_function_instance *fi)
dev->function.fs_descriptors = fs_function;
dev->function.hs_descriptors = hs_function;
dev->function.ss_descriptors = ss_function;
dev->function.ssp_descriptors = ss_function;
dev->function.bind = usbnet_bind;
dev->function.unbind = usbnet_unbind;