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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>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Link: https://lore.kernel.org/r/20200629150945.10720-2-nsaenzjulienne@suse.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
zero-sugar-mainline-defconfig
Dave Stevenson 2020-06-29 17:08:59 +02:00 committed by Greg Kroah-Hartman
parent 95154990a7
commit 481e5397f5
1 changed files with 7 additions and 1 deletions
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8
drivers/staging/vc04_services/vchiq-mmal/mmal-vchiq.c
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@ -38,6 +38,12 @@
*/
#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
@ -686,7 +692,7 @@ static int send_synchronous_mmal_msg(struct vchiq_mmal_instance *instance,
}
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;