linux-kernel - RE: [PATCH v3 3/4] bus: fsl-mc: add root dprc rescan attribute

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Date:   Fri, 23 Mar 2018 16:00:58 +0000
From:   Ioana Ciornei <ioana.ciornei@....com>
To:     Greg KH <gregkh@...uxfoundation.org>
CC:     Laurentiu Tudor <laurentiu.tudor@....com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "stuyoder@...il.com" <stuyoder@...il.com>,
        Ruxandra Ioana Ciocoi Radulescu <ruxandra.radulescu@....com>,
        "arnd@...db.de" <arnd@...db.de>,
        Razvan Stefanescu <razvan.stefanescu@....com>,
        Roy Pledge <roy.pledge@....com>
Subject: RE: [PATCH v3 3/4] bus: fsl-mc: add root dprc rescan attribute

> On Fri, Mar 23, 2018 at 10:38:57AM -0500, Ioana Ciornei wrote:
> > Introduce the rescan attribute as a device attribute to synchronize
> > the fsl-mc bus objects and the MC firmware.
> >
> > To rescan the root dprc only, e.g.
> > echo 1 > /sys/bus/fsl-mc/devices/dprc.1/rescan
> >
> > Signed-off-by: Ioana Ciornei <ioana.ciornei@....com>
> > ---
> > Changes in v2:
> >   - added proper documentation in /Documentation/ABI/
> >   - updated the MAINTAINERS file
> > Changes in v3:
> >   - no change
> >
> >  Documentation/ABI/stable/sysfs-bus-fsl-mc |  6 ++++++
> >  MAINTAINERS                               |  1 +
> >  drivers/bus/fsl-mc/dprc-driver.c          |  4 ++--
> >  drivers/bus/fsl-mc/fsl-mc-bus.c           | 28 ++++++++++++++++++++++++++++
> >  drivers/bus/fsl-mc/fsl-mc-private.h       |  3 +++
> >  5 files changed, 40 insertions(+), 2 deletions(-)  create mode 100644
> > Documentation/ABI/stable/sysfs-bus-fsl-mc
> >
> > diff --git a/Documentation/ABI/stable/sysfs-bus-fsl-mc
> > b/Documentation/ABI/stable/sysfs-bus-fsl-mc
> > new file mode 100644
> > index 0000000..e530e8c
> > --- /dev/null
> > +++ b/Documentation/ABI/stable/sysfs-bus-fsl-mc
> > @@ -0,0 +1,6 @@
> > +What:		/sys/bus/fsl-mc/devices/dprc.*/rescan
> > +Date:		March. 2018
> 
> "."?
> 
> > +KernelVersion:	4.16
> 
> 4.17 :)

Sorry for this. Will fix.

> 
> > +Contact:	Ioana Ciornei <ioana.ciornei@....com>
> > +Description:	Root dprc rescan attribute
> 
> What does this do?  A bit more description please.

Will update the description in the next version for both attributes.
> 
> thanks,
> 
> greg k-h