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| author | Dave Stevenson <dave.stevenson@raspberrypi.org> | 2020-06-29 17:08:59 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-07-01 15:45:22 +0200 |
| commit | 481e5397f5e4b070b45e0b31e0c0cec96bf9bb87 (patch) | |
| tree | e0e1b902491dc0c3ba868f0eca4bd8a14eb4bab1 /drivers | |
| parent | 95154990a7ae05cef093459b0dd038f12dcd7034 (diff) | |
| download | linux-481e5397f5e4b070b45e0b31e0c0cec96bf9bb87.tar.bz2 | |
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>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/staging/vc04_services/vchiq-mmal/mmal-vchiq.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/staging/vc04_services/vchiq-mmal/mmal-vchiq.c b/drivers/staging/vc04_services/vchiq-mmal/mmal-vchiq.c index cbe262b111fe..ebe7fb078830 100644 --- a/drivers/staging/vc04_services/vchiq-mmal/mmal-vchiq.c +++ b/drivers/staging/vc04_services/vchiq-mmal/mmal-vchiq.c @@ -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; |