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Date: Thu, 18 Jun 2020 00:31:05 +0100 From: Cristian Marussi <cristian.marussi@....com> To: Sudeep Holla <sudeep.holla@....com> Cc: linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, lukasz.luba@....com, james.quinlan@...adcom.com, Jonathan.Cameron@...wei.com, dave.martin@....com, cristian.marussi@....com Subject: Re: [PATCH v8 3/9] firmware: arm_scmi: Add notification dispatch and delivery On Mon, Jun 08, 2020 at 06:03:46PM +0100, Sudeep Holla wrote: > On Wed, May 20, 2020 at 09:11:12AM +0100, Cristian Marussi wrote: > > Add core SCMI Notifications dispatch and delivery support logic which is > > able, at first, to dispatch well-known received events from the RX ISR to > > the dedicated deferred worker, and then, from there, to final deliver the > > events to the registered users' callbacks. > > > > Dispatch and delivery is just added here, still not enabled. > > > > Reviewed-by: Jonathan Cameron <Jonathan.Cameron@...wei.com> > > Signed-off-by: Cristian Marussi <cristian.marussi@....com> > > --- > > drivers/firmware/arm_scmi/notify.c | 354 ++++++++++++++++++++++++++++- > > drivers/firmware/arm_scmi/notify.h | 10 + > > 2 files changed, 362 insertions(+), 2 deletions(-) > > > > diff --git a/drivers/firmware/arm_scmi/notify.c b/drivers/firmware/arm_scmi/notify.c > > index 7cf61dbe2a8e..d582f71fde5b 100644 > > --- a/drivers/firmware/arm_scmi/notify.c > > +++ b/drivers/firmware/arm_scmi/notify.c > > [...] > > > @@ -1085,6 +1422,12 @@ int scmi_notification_init(struct scmi_handle *handle) > > ni->gid = gid; > > ni->handle = handle; > > > > + ni->notify_wq = alloc_workqueue("scmi_notify", > > + WQ_UNBOUND | WQ_FREEZABLE | WQ_SYSFS, > > + 0); > > What's the use of WQ_SYSFS for SCMI notifications ? Do we need it ? > Lukasz asked for it, when we were talking about workqueues' priorities configurability. (not implemented in this series) Thanks Cristian > -- > Regards, > Sudeep
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