summaryrefslogtreecommitdiff
path: root/drivers/remoteproc/remoteproc_cdev.c
diff options
context:
space:
mode:
authorMathieu Poirier <mathieu.poirier@linaro.org>2021-03-12 09:24:51 -0700
committerBjorn Andersson <bjorn.andersson@linaro.org>2021-03-18 08:02:09 -0500
commitd2008a96833082713094ba8a545141be1b01b266 (patch)
treebfc8ddac634d4047488e12bc0410c43c34299c1e /drivers/remoteproc/remoteproc_cdev.c
parent83d4e6712c3b1a7dd5b43251737ea3d7d0a460f4 (diff)
remoteproc: Properly deal with a stop request when attached
Allow a remote processor that was started by another entity to be switched off by the remoteproc core. For that to happen a rproc::ops::stop() operation needs to be available. Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org> Reviewed-by: Arnaud Pouliquen <arnaud.pouliquen@st.com> Link: https://lore.kernel.org/r/20210312162453.1234145-16-mathieu.poirier@linaro.org Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Diffstat (limited to 'drivers/remoteproc/remoteproc_cdev.c')
-rw-r--r--drivers/remoteproc/remoteproc_cdev.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/remoteproc/remoteproc_cdev.c b/drivers/remoteproc/remoteproc_cdev.c
index b2cee9afb41b..0249d8f6c3f8 100644
--- a/drivers/remoteproc/remoteproc_cdev.c
+++ b/drivers/remoteproc/remoteproc_cdev.c
@@ -38,7 +38,8 @@ static ssize_t rproc_cdev_write(struct file *filp, const char __user *buf, size_
ret = rproc_boot(rproc);
} else if (!strncmp(cmd, "stop", len)) {
- if (rproc->state != RPROC_RUNNING)
+ if (rproc->state != RPROC_RUNNING &&
+ rproc->state != RPROC_ATTACHED)
return -EINVAL;
rproc_shutdown(rproc);