Re: [RFC 0/2] Support for Super Speed Link Layer Test

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Hi Alan,

On Fri, Apr 11, 2014 at 06:56:37PM +0800, Pratyush ANAND wrote:
> Lecroy's USB Compliance suites provide option to test Link Layer Tests
> for Super Speed device as well as host.
> 
> As of now there is no standard way to test embedded host for these
> tests.
> 
> These patches modifies Linux USB host stack to carry out these tests for
> embedded hosts. Modifications are still not complete. Patch 2 will have
> few more sysfs nodes to support some failing tests. 
> 
> I am sending these as RFC for mainly to have your comment on framework
> modifications. Please let me know, if there could be any better way to
> do it.

Do you see a better way of doing it than this implementation (which is
creating a platform device for each new connection request from Link
Layer Validation (LVS) device)?

Regards
Pratyush
> 
> Pratyush Anand (2):
>   USB: Core: Quirk to prevent enumeration of LVS devices
>   USB: Add LVS Test device driver
> 
>  Documentation/ABI/testing/sysfs-bus-usb            |  10 ++
>  .../ABI/testing/sysfs-devices-platform-lvstestdev  |  32 ++++
>  drivers/usb/core/hub.c                             | 105 ++++++++++++-
>  drivers/usb/core/hub.h                             |   2 +
>  drivers/usb/core/sysfs.c                           |  34 ++++
>  drivers/usb/core/usb.c                             |   1 -
>  drivers/usb/misc/Kconfig                           |   6 +
>  drivers/usb/misc/Makefile                          |   1 +
>  drivers/usb/misc/lvstestdev.c                      | 171 +++++++++++++++++++++
>  include/linux/usb/quirks.h                         |   3 +
>  10 files changed, 361 insertions(+), 4 deletions(-)
>  create mode 100644 Documentation/ABI/testing/sysfs-devices-platform-lvstestdev
>  create mode 100644 drivers/usb/misc/lvstestdev.c
> 
> -- 
> 1.8.1.2
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