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 <[email protected]>
> Signed-off-by: Cristian Marussi <[email protected]>
> ---
> 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 ?
--
Regards,
Sudeep
