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 ]--- ... ------------------------>8--------------------------- -Alexey
