On Thu, Apr 01, 2021 at 03:11:08PM +0200, Martin Kepplinger wrote:
> commit 9de499997c ("usb: dwc3: gadget: Prevent EP queuing while stopping
> transfers") results in the below error every time I connect the type-c
> connector to the dwc3, configured with serial and ethernet gadgets.
> I also apply the following to dwc3 on this port:
>
> dr_mode = "otg";
> snps,dis_u3_susphy_quirk;
> hnp-disable;
> srp-disable;
> adp-disable;
Why all the trailing whitespace?
> usb-role-switch;
>
> [ 51.148220] ------------[ cut here ]------------
> [ 51.148241] dwc3 38100000.usb: No resource for ep2in
> [ 51.148376] WARNING: CPU: 0 PID: 299 at drivers/usb/dwc3/gadget.c:360
> dwc3_send_gadget_ep_cmd+0x570/0x740 [dwc3]
> [ 51.148837] CPU: 0 PID: 299 Comm: irq/64-dwc3 Not tainted
> 5.11.11-librem5-00334-ge4c4ff3624e9 #218
> [ 51.148848] Hardware name: Purism Librem 5r4 (DT)
> [ 51.148854] pstate: 60000085 (nZCv daIf -PAN -UAO -TCO BTYPE=--)
> [ 51.148863] pc : dwc3_send_gadget_ep_cmd+0x570/0x740 [dwc3]
> [ 51.148894] lr : dwc3_send_gadget_ep_cmd+0x570/0x740 [dwc3]
> [ 51.148924] sp : ffff800011cb3ac0
> [ 51.148929] x29: ffff800011cb3ac0 x28: ffff0000032a7b00
> [ 51.148942] x27: ffff00000327da00 x26: 0000000000000000
> [ 51.148954] x25: 00000000ffffffea x24: 0000000000000006
> [ 51.148967] x23: ffff0000bee1c080 x22: ffff800011cb3b7c
> [ 51.148979] x21: 0000000000000406 x20: ffff0000bf170000
> [ 51.148992] x19: 0000000000000001 x18: 0000000000000000
> [ 51.149004] x17: 0000000000000000 x16: 0000000000000000
> [ 51.149016] x15: 0000000000000000 x14: ffff8000114512c0
> [ 51.149028] x13: 0000000000001698 x12: 0000000000000040
> [ 51.149040] x11: ffff80001151a6f8 x10: 00000000ffffe000
> [ 51.149052] x9 : ffff8000100b2b7c x8 : ffff80001146a6f8
> [ 51.149065] x7 : ffff80001151a6f8 x6 : 0000000000000000
> [ 51.149077] x5 : ffff0000bf939948 x4 : 0000000000000000
> [ 51.149089] x3 : 0000000000000027 x2 : 0000000000000000
> [ 51.149101] x1 : 0000000000000000 x0 : ffff0000049ae040
> [ 51.149114] Call trace:
> [ 51.149120] dwc3_send_gadget_ep_cmd+0x570/0x740 [dwc3]
> [ 51.149150] __dwc3_gadget_ep_enable+0x288/0x4fc [dwc3]
> [ 51.149179] dwc3_gadget_ep_enable+0x6c/0x15c [dwc3]
> [ 51.149209] usb_ep_enable+0x48/0x110 [udc_core]
> [ 51.149251] rndis_set_alt+0x138/0x1c0 [usb_f_rndis]
> [ 51.149276] composite_setup+0x674/0x194c [libcomposite]
> [ 51.149314] dwc3_ep0_interrupt+0x9c4/0xb9c [dwc3]
> [ 51.149344] dwc3_thread_interrupt+0x8bc/0xe74 [dwc3]
> [ 51.149374] irq_thread_fn+0x38/0xb0
> [ 51.149388] irq_thread+0x170/0x294
> [ 51.149397] kthread+0x164/0x16c
> [ 51.149407] ret_from_fork+0x10/0x34
> [ 51.149419] ---[ end trace 62c6cc2ebfb18047 ]---
>
> Linus' tree isn't affected. Revert the change.
What does this mean?
>
> Signed-off-by: Martin Kepplinger <martin.kepplin...@puri.sm>
>
> ---
What changed from v1? Always put that below the --- line.
And as this is a revert, is a "Fixes:" line also relevant?
thanks,
greg k-h
