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authorArnaud Pouliquen <arnaud.pouliquen@foss.st.com>2021-12-21 15:31:29 +0100
committerMathieu Poirier <mathieu.poirier@linaro.org>2022-01-03 11:40:45 -0700
commitcfcabbb24d5f4e52ce2e7797cbcfacd8fe932fb6 (patch)
treeea2d49c30fb0668da2a28647a22e17b469a779ce /drivers/remoteproc
parentba635863779871a4f873511199f3e0ae84d5e592 (diff)
downloadlinux-cfcabbb24d5f4e52ce2e7797cbcfacd8fe932fb6.tar.bz2
remoteproc: stm32: Improve crash recovery time
When a stop is requested on a crash, it is useless to try to shutdown it gracefully, it is crashed. In this case don't send the STM32_MBX_SHUTDOWN mailbox message that will block the recovery during 500 ms, waiting an answer from the coprocessor. Signed-off-by: Arnaud Pouliquen <arnaud.pouliquen@foss.st.com> Link: https://lore.kernel.org/r/20211221143129.18415-1-arnaud.pouliquen@foss.st.com Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Diffstat (limited to 'drivers/remoteproc')
-rw-r--r--drivers/remoteproc/stm32_rproc.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/remoteproc/stm32_rproc.c b/drivers/remoteproc/stm32_rproc.c
index b643efcf995a..7d782ed9e589 100644
--- a/drivers/remoteproc/stm32_rproc.c
+++ b/drivers/remoteproc/stm32_rproc.c
@@ -494,7 +494,7 @@ static int stm32_rproc_stop(struct rproc *rproc)
int err, idx;
/* request shutdown of the remote processor */
- if (rproc->state != RPROC_OFFLINE) {
+ if (rproc->state != RPROC_OFFLINE && rproc->state != RPROC_CRASHED) {
idx = stm32_rproc_mbox_idx(rproc, STM32_MBX_SHUTDOWN);
if (idx >= 0 && ddata->mb[idx].chan) {
err = mbox_send_message(ddata->mb[idx].chan, "detach");