Hi, Am 05.07.2016 um 14:20 schrieb Alexey Brodkin: > Hello, > > Looks like this is another manifestation of already seen problem with > ath9k-htc > and OHCI controller. > > I'm trying to get USB Wi-Fi dongle based on Atheros AR9271 to work with our > development board (this is Synopsys AXS103) and seeing a picture very similar > to > what was discussed here http://thread.gmane.org/gmane.linux.usb.general/110847 > > Below is what I see on insertion of the dongle. > Note I have the most recent ath9k-htc firmware (see > "ath9k_htc/htc_9271-1.4.0.fw" > in the log below) and Linux kernel is 4.6.3 (latest stable as of today) but > the same > happens even on 4.4. > > Interesting enough if I simply remove or disable the warning like that > ------------------------>8--------------------------- > diff --git a/drivers/usb/core/urb.c b/drivers/usb/core/urb.c > index 3d27477..a317e1e 100644 > --- a/drivers/usb/core/urb.c > +++ b/drivers/usb/core/urb.c > @@ -443,11 +443,6 @@ int usb_submit_urb(struct urb *urb, gfp_t mem_flags) > * cause problems in HCDs if they get it wrong. > */ > > - /* Check that the pipe's type matches the endpoint's type */ > - if (usb_pipetype(urb->pipe) != pipetypes[xfertype]) > - dev_WARN(&dev->dev, "BOGUS urb xfer, pipe %x != type %x\n", > - usb_pipetype(urb->pipe), pipetypes[xfertype]); > - > /* Check against a simple/standard policy */ > allowed = (URB_NO_TRANSFER_DMA_MAP | URB_NO_INTERRUPT | URB_DIR_MASK | > URB_FREE_BUFFER); > ------------------------>8--------------------------- > everything seem to work quite nice. > > Any thoughts are much appreciated. > > That's the log itself: > ------------------------>8--------------------------- > usb 1-1: new full-speed USB device number 2 using ohci-platform > usb 1-1: ath9k_htc: Firmware ath9k_htc/htc_9271-1.4.0.fw requested > usb 1-1: ath9k_htc: Transferred FW: ath9k_htc/htc_9271-1.4.0.fw, size: 51008 > ------------[ cut here ]------------ > WARNING: CPU: 0 PID: 4 at drivers/usb/core/urb.c:450 > usb_submit_urb+0x162/0x404 > usb 1-1: BOGUS urb xfer, pipe 1 != type 3 > Modules linked in: > CPU: 0 PID: 4 Comm: kworker/0:0 Not tainted 4.6.3 #10 > Workqueue: events request_firmware_work_func > > Stack Trace: > arc_unwind_core.constprop.1+0x94/0x10c > ---[ end trace 2249b79eac9991d1 ]--- > ------------[ cut here ]------------ > WARNING: CPU: 0 PID: 4 at drivers/usb/core/urb.c:450 > usb_submit_urb+0x162/0x404 > usb 1-1: BOGUS urb xfer, pipe 1 != type 3 > Modules linked in: > CPU: 0 PID: 4 Comm: kworker/0:0 Tainted: G W 4.6.3 #10 > Workqueue: events request_firmware_work_func > > Stack Trace: > arc_unwind_core.constprop.1+0x94/0x10c > ---[ end trace 2249b79eac9991d2 ]--- > ------------[ cut here ]------------ > WARNING: CPU: 0 PID: 4 at drivers/usb/core/urb.c:450 > usb_submit_urb+0x162/0x404 > usb 1-1: BOGUS urb xfer, pipe 1 != type 3 > Modules linked in: > CPU: 0 PID: 4 Comm: kworker/0:0 Tainted: G W 4.6.3 #10 > Workqueue: events request_firmware_work_func > > Stack Trace: > arc_unwind_core.constprop.1+0x94/0x10c > ---[ end trace 2249b79eac9991d3 ]--- >
please send content of hif_usb_send_regout() from your source code. It is located in drivers/net/wireless/ath/ath9k/hif_usb.c -- Regards, Oleksij
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