[PATCH 13/14] drivers/firmware/sdei: Retrieve event signaled property on creation
Gavin Shan
gshan at redhat.com
Mon Jul 6 01:47:31 EDT 2020
This retrieves the event signaled property when it's created for the
first time. The property will be needed when SDEI virtualization is
supported.
Signed-off-by: Gavin Shan <gshan at redhat.com>
---
drivers/firmware/arm_sdei.c | 6 ++++++
include/linux/arm_sdei.h | 1 +
2 files changed, 7 insertions(+)
diff --git a/drivers/firmware/arm_sdei.c b/drivers/firmware/arm_sdei.c
index 8e5f6683c155..c6bd43914ea0 100644
--- a/drivers/firmware/arm_sdei.c
+++ b/drivers/firmware/arm_sdei.c
@@ -205,6 +205,12 @@ static struct sdei_event *sdei_event_create(u32 event_num,
goto fail;
event->type = result;
+ err = sdei_api_event_get_info(event_num, SDEI_EVENT_INFO_EV_SIGNALED,
+ &result);
+ if (err)
+ goto fail;
+ event->signaled = result;
+
if (event->type == SDEI_EVENT_TYPE_SHARED) {
event->registered = kzalloc(sizeof(*reg), GFP_KERNEL);
if (!event->registered) {
diff --git a/include/linux/arm_sdei.h b/include/linux/arm_sdei.h
index fb6aa455e51d..36003751e26e 100644
--- a/include/linux/arm_sdei.h
+++ b/include/linux/arm_sdei.h
@@ -51,6 +51,7 @@ struct sdei_event {
u32 event_num;
u8 type;
u8 priority;
+ u8 signaled;
/* This pointer is handed to firmware as the event argument. */
union {
--
2.23.0
More information about the linux-arm-kernel
mailing list