Re: [PATCH v2 0/6] thunderbolt: Sideband access and retimer lane margining support

[Mika Westerberg <mika.westerberg@linux.intel.com>]

On Fri, Jun 14, 2024 at 02:19:58PM +0200, Greg KH wrote:
> On Fri, Jun 14, 2024 at 03:15:06PM +0300, Mika Westerberg wrote:
> > Hi all,
> > 
> > This series adds USB4 link sideband access through debugfs. This can be
> > used to run port operations etc. from userspace usable for example in
> > manufacturing. The other feature is receiver lane margining support for
> > retimers with similar use case.
> > 
> > Mika Westerberg (6):
> >   thunderbolt: Move usb4_port_margining_caps() declaration into correct place
> >   thunderbolt: Make usb4_port_sb_read/write() available outside of usb4.c
> >   thunderbolt: Add sideband register access to debugfs
> >   thunderbolt: Split out margining from USB4 port
> >   thunderbolt: Make margining functions accept target and retimer index
> >   thunderbolt: Add receiver lane margining support for retimers
> > 
> >  drivers/thunderbolt/Kconfig   |  11 +-
> >  drivers/thunderbolt/debugfs.c | 623 ++++++++++++++++++++++++++--------
> >  drivers/thunderbolt/retimer.c |  53 +--
> >  drivers/thunderbolt/sb_regs.h |   9 +
> >  drivers/thunderbolt/tb.h      |  45 ++-
> >  drivers/thunderbolt/usb4.c    | 183 +++++-----
> >  6 files changed, 655 insertions(+), 269 deletions(-)
> 
> No hint as to what changed from v1?

Oh, crap. I added it but added for the v1 cover letter by accident :(
Sorry about that. The changelog is below:

Previous version can be found:

  https://lore.kernel.org/linux-usb/20240610100627.3521887-1-mika.westerberg@linux.intel.com/

Changes from previous version:

  - Do not store debugfs dentry pointer, instead look it up when needed.