Hi Oleksij, On Tue, 2016-07-05 at 19:23 +0200, Oleksij Rempel wrote: > 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 I use vanilla 4.6.3 tree so that's what I have is the same as http://git.kernel.org/cgit/linux/kernel/git/stable/linux-stable.git/tree/drivers/net/wireless/ath/ath9k/hif_usb.c?h=linu x-4.6.y#n99 -Alexey
