On Fri, 2020-11-13 at 16:13 +0100, Jerome Brunet wrote:
> On Fri 13 Nov 2020 at 16:04, Philipp Zabel <p.zabel@xxxxxxxxxxxxxx> wrote:
>
> > On Fri, 2020-11-13 at 00:00 +0100, Amjad Ouled-Ameur wrote:
> > > The current reset framework API does not allow to release what is done by
> > > reset_control_reset(), IOW decrement triggered_count. Add the new
> > > reset_control_rearm() call to do so.
> > >
> > > When reset_control_reset() has been called once, the counter
> > > triggered_count, in the reset framework, is incremented i.e the resource
> > > under the reset is in-use and the reset should not be done again.
> > > reset_control_rearm() would be the way to state that the resource is
> > > no longer used and, that from the caller's perspective, the reset can be
> > > fired again if necessary.
> > >
> > > Signed-off-by: Amjad Ouled-Ameur <aouledameur@xxxxxxxxxxxx>
> > > Reported-by: Jerome Brunet <jbrunet@xxxxxxxxxxxx>
> > > ---
> > > Change since v1: [0]
> > > * Renamed the new call from reset_control_(array_)resettable to
> > > reset_control_(array_)rearm
> > > * Open-coded reset_control_array_rearm to check for errors before
> > > decrementing triggered_count because we cannot roll back in case an
> > > error occurs while decrementing one of the rstc.
> > > * Reworded the new call's description.
> >
> > Thank you, applied to reset/next.
>
> Hi Philipp,
>
> Would it be possible to get an immutable branch/tag with this ?
> It would allow to move forward on the USB side, without waiting for the
> next rc1.
Here you go,
The following changes since commit 3650b228f83adda7e5ee532e2b90429c03f7b9ec:
Linux 5.10-rc1 (2020-10-25 15:14:11 -0700)
are available in the Git repository at:
git://git.pengutronix.de/git/pza/linux.git reset/shared-retrigger
for you to fetch changes up to 557acb3d2cd9c82de19f944f6cc967a347735385:
reset: make shared pulsed reset controls re-triggerable (2020-11-16 17:05:28 +0100)
----------------------------------------------------------------
Amjad Ouled-Ameur (1):
reset: make shared pulsed reset controls re-triggerable
drivers/reset/core.c | 73 +++++++++++++++++++++++++++++++++++++++++++++++++++
include/linux/reset.h | 1 +
2 files changed, 74 insertions(+)
regards
Philipp
