Am 05.07.2016 um 19:31 schrieb Alexey Brodkin: > 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 Interesting. Can you please send lsusb -v for this adapter? and it will be interesting to see, which usb endpoint was actualy used. -- Regards, Oleksij
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