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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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