Re: [PATCH v4 0/8] add HNP polling support for usb otg fsm

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Wed, Mar 25, 2015 at 02:03:51PM +0800, Peter Chen wrote:
> 
> Hi Jun,
> 
> The above three patches are in Greg's next tree, after I apply
> your chipidea fix [1] for pullup dp, it still some other problems
> for HNP, am I missing something?
> 
> The procedures to reproduce:
> 
> - Connect USB cable and MicroAB cable between two boards
> - Boot up two boards
> - load g_mass_storage at B-device side, the enumeration will success,
> and A will see a usb mass-storage device
> - load g_mass_storage at A-device side
> - Do HNP at B side, the HNP will succeed
> echo 1 > /sys/bus/platform/devices/ci_hdrc.0/inputs/b_bus_req
> - Do HNP at A side
> echo 1 > /sys/bus/platform/devices/ci_hdrc.0/inputs/a_bus_req
> 
> The problem has occurred, the A can't be back to host again.
> 
I use your peter-usb-dev branch and did not found the problem, so I
need use Greg's tree to try again?

Li Jun
> 
> [1] http://www.spinics.net/lists/linux-usb/msg123204.html
> 
> -- 
> 
> Best Regards,
> Peter Chen
--
To unsubscribe from this list: send the line "unsubscribe linux-usb" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html




[Index of Archives]     [Linux Media]     [Linux Input]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [Old Linux USB Devel Archive]

  Powered by Linux