Re: [PATCH] usb: testusb: Fix for showing the connection speed

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"faizel.kb" <faizel.kb@xxxxxxxxxxxxx> writes:

> 'testusb' application which uses 'usbtest' driver reports 'unknown speed'
> from the function 'find_testdev'. The variable 'entry->speed' was not
> updated from  the application. The IOCTL mentioned in the FIXME comment can
> only report whether the connection is low speed or not. Speed is read using
> the IOCTL USBDEVFS_GET_SPEED which reports the proper speed grade.  The
> call is implemented in the function 'handle_testdev' where the file
> descriptor was availble locally. Sample output is given below where 'high
> speed' is printed as the connected speed.
>
> sudo ./testusb -a
> high speed      /dev/bus/usb/001/011    0
> /dev/bus/usb/001/011 test 0,    0.000015 secs
> /dev/bus/usb/001/011 test 1,    0.194208 secs
> /dev/bus/usb/001/011 test 2,    0.077289 secs
> /dev/bus/usb/001/011 test 3,    0.170604 secs
> /dev/bus/usb/001/011 test 4,    0.108335 secs
> /dev/bus/usb/001/011 test 5,    2.788076 secs
> /dev/bus/usb/001/011 test 6,    2.594610 secs
> /dev/bus/usb/001/011 test 7,    2.905459 secs
> /dev/bus/usb/001/011 test 8,    2.795193 secs
> /dev/bus/usb/001/011 test 9,    8.372651 secs
> /dev/bus/usb/001/011 test 10,    6.919731 secs
> /dev/bus/usb/001/011 test 11,   16.372687 secs
> /dev/bus/usb/001/011 test 12,   16.375233 secs
> /dev/bus/usb/001/011 test 13,    2.977457 secs
> /dev/bus/usb/001/011 test 14 --> 22 (Invalid argument)
> /dev/bus/usb/001/011 test 17,    0.148826 secs
> /dev/bus/usb/001/011 test 18,    0.068718 secs
> /dev/bus/usb/001/011 test 19,    0.125992 secs
> /dev/bus/usb/001/011 test 20,    0.127477 secs
> /dev/bus/usb/001/011 test 21 --> 22 (Invalid argument)
> /dev/bus/usb/001/011 test 24,    4.133763 secs
> /dev/bus/usb/001/011 test 27,    2.140066 secs
> /dev/bus/usb/001/011 test 28,    2.120713 secs
> /dev/bus/usb/001/011 test 29,    0.507762 secs
>
> Signed-off-by: faizel.kb <faizel.kb@xxxxxxxxxxxxx>

Acked-by: Felipe Balbi <balbi@xxxxxxxxxx>


-- 
balbi



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