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- From: Alexey Brodkin <abrodkin@synopsys.com>
- Subject: usb: Remove annoying warning about bogus URB
- When ath9k-htc Wi-Fi dongle is used with generic OHCI controller
- infinite stream of warnings appears in debug console like this:
- -------------------------->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: 19 at drivers/usb/core/urb.c:449
- usb_submit_urb+0x1b4/0x498()
- usb 1-1: BOGUS urb xfer, pipe 1 != type 3
- Modules linked in:
- CPU: 0 PID: 19 Comm: kworker/0:1 Not tainted
- 4.4.0-rc4-00017-g00e2d79-dirty #3
- Workqueue: events request_firmware_work_func
- Stack Trace:
- arc_unwind_core.constprop.1+0xa4/0x110
- ---[ end trace 649ef8c342817fc2 ]---
- ------------[ cut here ]------------
- WARNING: CPU: 0 PID: 19 at drivers/usb/core/urb.c:449
- usb_submit_urb+0x1b4/0x498()
- usb 1-1: BOGUS urb xfer, pipe 1 != type 3
- Modules linked in:
- CPU: 0 PID: 19 Comm: kworker/0:1 Tainted: G W
- 4.4.0-rc4-00017-g00e2d79-dirty #3
- Workqueue: events request_firmware_work_func
- Stack Trace:
- arc_unwind_core.constprop.1+0xa4/0x110
- ---[ end trace 649ef8c342817fc3 ]---
- ------------[ cut here ]------------
- -------------------------->8----------------------
- There're some discussions in mailing lists proposing to disable
- that particular check alltogether and magically all seem to work
- fine with muted warning.
- Anyways new thread on that regard could be found here:
- http://lists.infradead.org/pipermail/linux-snps-arc/2016-July/001310.html
- Let's see what comes out of that new discussion, hopefully patching
- of generic USB stuff won't be required then.
- Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
- ---
- drivers/leds/Makefile | 1 +
- drivers/leds/trigger/Kconfig | 7 +++++++
- 2 files changed, 8 insertions(+)
- --- a/drivers/leds/Makefile
- +++ b/drivers/leds/Makefile
- @@ -82,3 +82,4 @@ obj-$(CONFIG_LEDS_USER) += uleds.o
-
- # LED Triggers
- obj-$(CONFIG_LEDS_TRIGGERS) += trigger/
- +obj-$(CONFIG_LEDS_TRIGGER_NETDEV) += ledtrig-netdev.o
- --- a/drivers/leds/trigger/Kconfig
- +++ b/drivers/leds/trigger/Kconfig
- @@ -126,4 +126,11 @@ config LEDS_TRIGGER_PANIC
- a different trigger.
- If unsure, say Y.
-
- +config LEDS_TRIGGER_NETDEV
- + tristate "LED Netdev Trigger"
- + depends on NET && LEDS_TRIGGERS
- + help
- + This allows LEDs to be controlled by network device activity.
- + If unsure, say Y.
- +
- endif # LEDS_TRIGGERS
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