ath9k-htc on OHCI -> bogus usb xfer
Alexey Brodkin
Alexey.Brodkin at synopsys.com
Wed Jul 6 00:44:19 PDT 2016
Hi Oleksij,
On Tue, 2016-07-05 at 21:01 +0200, Oleksij Rempel wrote:
> 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?
See below:
-------------------------->8---------------------------
# lsusb -v
Bus 002 Device 002: ID 0cf3:9271
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 2.00
bDeviceClass 255
bDeviceSubClass 255
bDeviceProtocol 255
bMaxPacketSize0 64
idVendor 0x0cf3
idProduct 0x9271
bcdDevice 1.08
iManufacturer 16 ATHEROS
iProduct 32 USB2.0 WLAN
iSerial 48 12345
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 60
bNumInterfaces 1
bConfigurationValue 1
iConfiguration 0
bmAttributes 0x80
(Bus Powered)
MaxPower 500mA
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 6
bInterfaceClass 255
bInterfaceSubClass 0
bInterfaceProtocol 0
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x01 EP 1 OUT
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0040 1x 64 bytes
bInterval 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x82 EP 2 IN
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0040 1x 64 bytes
bInterval 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x83 EP 3 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0040 1x 64 bytes
bInterval 1
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x04 EP 4 OUT
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0040 1x 64 bytes
bInterval 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x05 EP 5 OUT
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0040 1x 64 bytes
bInterval 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x06 EP 6 OUT
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0040 1x 64 bytes
bInterval 0
Device Qualifier (for other device speed):
bLength 10
bDescriptorType 6
bcdUSB 2.00
bDeviceClass 255
bDeviceSubClass 255
bDeviceProtocol 255
bMaxPacketSize0 64
bNumConfigurations 1
can't get debug descriptor: Resource temporarily unavailable
Device Status: 0x0000
(Bus Powered)
Bus 002 Device 001: ID 1d6b:0001
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 1.10
bDeviceClass 9
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 64
idVendor 0x1d6b
idProduct 0x0001
bcdDevice 4.06
iManufacturer 3 Linux 4.6.3 ohci_hcd
iProduct 2 Generic Platform OHCI controller
iSerial 1 e0060000.ohci
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 25
bNumInterfaces 1
bConfigurationValue 1
iConfiguration 0
bmAttributes 0xe0
Self Powered
Remote Wakeup
MaxPower 0mA
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 1
bInterfaceClass 9
bInterfaceSubClass 0
bInterfaceProtocol 0
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0002 1x 2 bytes
bInterval 255
Hub Descriptor:
bLength 9
bDescriptorType 41
nNbrPorts 1
wHubCharacteristic 0x0002
No power switching (usb 1.0)
Ganged overcurrent protection
bPwrOn2PwrGood 2 * 2 milli seconds
bHubContrCurrent 0 milli Ampere
DeviceRemovable 0x00
PortPwrCtrlMask 0xff
Hub Port Status:
Port 1: 0000.0103 power enable connect
can't get debug descriptor: Resource temporarily unavailable
Device Status: 0x0001
Self Powered
Bus 001 Device 001: ID 1d6b:0002
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 2.00
bDeviceClass 9
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 64
idVendor 0x1d6b
idProduct 0x0002
bcdDevice 4.06
iManufacturer 3 Linux 4.6.3 ehci_hcd
iProduct 2 EHCI Host Controller
iSerial 1 e0040000.ehci
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 25
bNumInterfaces 1
bConfigurationValue 1
iConfiguration 0
bmAttributes 0xe0
Self Powered
Remote Wakeup
MaxPower 0mA
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 1
bInterfaceClass 9
bInterfaceSubClass 0
bInterfaceProtocol 0
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0004 1x 4 bytes
bInterval 12
Hub Descriptor:
bLength 9
bDescriptorType 41
nNbrPorts 1
wHubCharacteristic 0x0009
Per-port power switching
Per-port overcurrent protection
bPwrOn2PwrGood 10 * 2 milli seconds
bHubContrCurrent 0 milli Ampere
DeviceRemovable 0x00
PortPwrCtrlMask 0xff
Hub Port Status:
Port 1: 0000.0100 power
can't get device qualifier: Resource temporarily unavailable
can't get debug descriptor: Resource temporarily unavailable
Device Status: 0x0001
Self Powered
-------------------------->8---------------------------
> and it will be
> interesting to see, which usb endpoint was actualy used.
Any hints on how may I get this information?
-Alexey
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