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From 301a6a16ec8a8b1a7b89c0cc6df30e79a460214a Mon Sep 17 00:00:00 2001
From: Dave Stevenson <dave.stevenson@raspberrypi.org>
Date: Mon, 24 Sep 2018 16:57:09 +0100
Subject: [PATCH] staging: mmal-vchiq: Make timeout a defined parameter
The timeout period for VPU communications is a useful thing
to extend when debugging.
Set it via a define, rather than a magic number buried in the code.
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>
---
drivers/staging/vc04_services/vchiq-mmal/mmal-vchiq.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
--- a/drivers/staging/vc04_services/vchiq-mmal/mmal-vchiq.c
+++ b/drivers/staging/vc04_services/vchiq-mmal/mmal-vchiq.c
@@ -44,6 +44,12 @@ MODULE_VERSION("0.0.1");
*/
#define VCHIQ_MMAL_MAX_COMPONENTS 64
+/*
+ * Timeout for synchronous msg responses in seconds.
+ * Helpful to increase this if stopping in the VPU debugger.
+ */
+#define SYNC_MSG_TIMEOUT 3
+
/*#define FULL_MSG_DUMP 1*/
#ifdef DEBUG
@@ -692,7 +698,7 @@ static int send_synchronous_mmal_msg(str
}
timeout = wait_for_completion_timeout(&msg_context->u.sync.cmplt,
- 3 * HZ);
+ SYNC_MSG_TIMEOUT * HZ);
if (timeout == 0) {
pr_err("timed out waiting for sync completion\n");
ret = -ETIME;
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