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| author | Cristian Marussi <cristian.marussi@arm.com> | 2020-03-27 14:34:28 +0000 |
|---|---|---|
| committer | Sudeep Holla <sudeep.holla@arm.com> | 2020-04-14 09:31:49 +0100 |
| commit | d5141f37c42e0b833863f157ac4cee203b2ba3d2 (patch) | |
| tree | 42e7b9822217fc4d06498b05f1855edb071c7c0f /drivers/firmware/arm_scmi/mailbox.c | |
| parent | 2264417a9a99babcc45960f28057a04c24919efb (diff) | |
| download | linux-d5141f37c42e0b833863f157ac4cee203b2ba3d2.tar.bz2 | |
firmware: arm_scmi: Add notifications support in transport layer
Add common transport-layer methods to:
- fetch a notification instead of a response
- clear a pending notification
Add also all the needed support in mailbox/shmem transports.
Link: https://lore.kernel.org/r/20200327143438.5382-4-cristian.marussi@arm.com
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Diffstat (limited to 'drivers/firmware/arm_scmi/mailbox.c')
| -rw-r--r-- | drivers/firmware/arm_scmi/mailbox.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/firmware/arm_scmi/mailbox.c b/drivers/firmware/arm_scmi/mailbox.c index 73077bbc4ad9..19ee058f9f44 100644 --- a/drivers/firmware/arm_scmi/mailbox.c +++ b/drivers/firmware/arm_scmi/mailbox.c @@ -158,6 +158,21 @@ static void mailbox_fetch_response(struct scmi_chan_info *cinfo, shmem_fetch_response(smbox->shmem, xfer); } +static void mailbox_fetch_notification(struct scmi_chan_info *cinfo, + size_t max_len, struct scmi_xfer *xfer) +{ + struct scmi_mailbox *smbox = cinfo->transport_info; + + shmem_fetch_notification(smbox->shmem, max_len, xfer); +} + +static void mailbox_clear_notification(struct scmi_chan_info *cinfo) +{ + struct scmi_mailbox *smbox = cinfo->transport_info; + + shmem_clear_notification(smbox->shmem); +} + static bool mailbox_poll_done(struct scmi_chan_info *cinfo, struct scmi_xfer *xfer) { @@ -173,6 +188,8 @@ static struct scmi_transport_ops scmi_mailbox_ops = { .send_message = mailbox_send_message, .mark_txdone = mailbox_mark_txdone, .fetch_response = mailbox_fetch_response, + .fetch_notification = mailbox_fetch_notification, + .clear_notification = mailbox_clear_notification, .poll_done = mailbox_poll_done, }; |