event: Add fpga load event
This enables implementing custom logic after a bitstream was loaded
into the fpga.
Signed-off-by: Christian Taedcke <christian.taedcke@weidmueller.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
Link: https://lore.kernel.org/r/20230720072724.11516-1-christian.taedcke-oss@weidmueller.com
Signed-off-by: Michal Simek <michal.simek@amd.com>
diff --git a/drivers/fpga/fpga.c b/drivers/fpga/fpga.c
index 7f6b6bc..81e6d8f 100644
--- a/drivers/fpga/fpga.c
+++ b/drivers/fpga/fpga.c
@@ -244,6 +244,21 @@
}
#endif
+static int fpga_load_event_notify(const void *buf, size_t bsize, int result)
+{
+ if (CONFIG_IS_ENABLED(EVENT)) {
+ struct event_fpga_load load = {
+ .buf = buf,
+ .bsize = bsize,
+ .result = result
+ };
+
+ return event_notify(EVT_FPGA_LOAD, &load, sizeof(load));
+ }
+
+ return 0;
+}
+
/*
* Generic multiplexing code
*/
@@ -251,6 +266,7 @@
int flags)
{
int ret_val = FPGA_FAIL; /* assume failure */
+ int ret_notify;
const fpga_desc *desc = fpga_validate(devnum, buf, bsize,
(char *)__func__);
@@ -284,6 +300,10 @@
}
}
+ ret_notify = fpga_load_event_notify(buf, bsize, ret_val);
+ if (ret_notify)
+ return ret_notify;
+
return ret_val;
}