X-Git-Url: http://git.openwrt.org/?a=blobdiff_plain;f=target%2Flinux%2Fbrcm2708%2Fpatches-4.19%2F950-0235-staging-mmal-vchiq-Make-timeout-a-defined-parameter.patch;fp=target%2Flinux%2Fbrcm2708%2Fpatches-4.19%2F950-0235-staging-mmal-vchiq-Make-timeout-a-defined-parameter.patch;h=dd6554142ddd1591117054d4d2e2abb6648bee07;hb=84d555aa74434392b682fd9eb0fa701c89a046d6;hp=0000000000000000000000000000000000000000;hpb=953973c2991e8640549a55df7a0574a1abac8644;p=openwrt%2Fopenwrt.git

diff --git a/target/linux/brcm2708/patches-4.19/950-0235-staging-mmal-vchiq-Make-timeout-a-defined-parameter.patch b/target/linux/brcm2708/patches-4.19/950-0235-staging-mmal-vchiq-Make-timeout-a-defined-parameter.patch
new file mode 100644
index 0000000000..dd6554142d
--- /dev/null
+++ b/target/linux/brcm2708/patches-4.19/950-0235-staging-mmal-vchiq-Make-timeout-a-defined-parameter.patch
@@ -0,0 +1,38 @@
+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;