AuxXxilium/linux_dsm_epyc7002
1
0
Fork 0
mirror of https://github.com/AuxXxilium/linux_dsm_epyc7002.git synced 2024-11-25 12:50:51 +07:00
Code Issues Actions Packages Projects Releases Wiki Activity

remoteproc: Make start and stop in subdev optional

Browse Source 
Some subdevices, such as glink ssr only care about the stop operation,
so make the operations optional to reduce client code.

Tested-by: Fabien Dessenne <fabien.dessenne@st.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by Alex Elder <elder@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
This commit is contained in:
Bjorn Andersson 2018-06-26 07:11:56 -05:00
parent 618fcff374
commit be37b1e0fb
1 changed files with 13 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
drivers/remoteproc/remoteproc_core.c
View File

@ -780,16 +780,20 @@ static int rproc_start_subdevices(struct rproc *rproc)
int ret;
list_for_each_entry(subdev, &rproc->subdevs, node) {
ret = subdev->start(subdev);
if (ret)
goto unroll_registration;
if (subdev->start) {
ret = subdev->start(subdev);
if (ret)
goto unroll_registration;
}
}
return 0;
unroll_registration:
list_for_each_entry_continue_reverse(subdev, &rproc->subdevs, node)
subdev->stop(subdev, true);
list_for_each_entry_continue_reverse(subdev, &rproc->subdevs, node) {
if (subdev->stop)
subdev->stop(subdev, true);
}
return ret;
}
@ -798,8 +802,10 @@ static void rproc_stop_subdevices(struct rproc *rproc, bool crashed)
{
struct rproc_subdev *subdev;
list_for_each_entry_reverse(subdev, &rproc->subdevs, node)
subdev->stop(subdev, crashed);
list_for_each_entry_reverse(subdev, &rproc->subdevs, node) {
if (subdev->stop)
subdev->stop(subdev, crashed);
}
}
/**