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authorArnaud POULIQUEN <arnaud.pouliquen@foss.st.com>2021-03-12 19:24:43 +0300
committerBjorn Andersson <bjorn.andersson@linaro.org>2021-03-18 15:55:46 +0300
commit6e20a05104e55dc0e4899db8110013d521d20a6e (patch)
treed0acc71ffde94efce196fe5b898c0d09742266af /drivers/remoteproc/remoteproc_core.c
parent8a471396d21ca499d89d4071b2b670258f009ffa (diff)
downloadlinux-6e20a05104e55dc0e4899db8110013d521d20a6e.tar.xz
remoteproc: stm32: Move memory parsing to rproc_ops
Some actions such as memory resources reallocation are needed when trying to reattach a co-processor. Use the prepare() operation for these actions. Co-developed-by: Mathieu Poirier <mathieu.poirier@linaro.org> Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org> Signed-off-by: Arnaud POULIQUEN <arnaud.pouliquen@foss.st.com> Link: https://lore.kernel.org/r/20210312162453.1234145-8-mathieu.poirier@linaro.org Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Diffstat (limited to 'drivers/remoteproc/remoteproc_core.c')
-rw-r--r--drivers/remoteproc/remoteproc_core.c14
1 files changed, 12 insertions, 2 deletions
diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c
index c7e1cf1b6f66..de670f4f592c 100644
--- a/drivers/remoteproc/remoteproc_core.c
+++ b/drivers/remoteproc/remoteproc_core.c
@@ -1588,10 +1588,17 @@ static int rproc_attach(struct rproc *rproc)
return ret;
}
+ /* Do anything that is needed to boot the remote processor */
+ ret = rproc_prepare_device(rproc);
+ if (ret) {
+ dev_err(dev, "can't prepare rproc %s: %d\n", rproc->name, ret);
+ goto disable_iommu;
+ }
+
ret = rproc_set_rsc_table(rproc);
if (ret) {
dev_err(dev, "can't load resource table: %d\n", ret);
- goto disable_iommu;
+ goto unprepare_device;
}
/* reset max_notifyid */
@@ -1608,7 +1615,7 @@ static int rproc_attach(struct rproc *rproc)
ret = rproc_handle_resources(rproc, rproc_loading_handlers);
if (ret) {
dev_err(dev, "Failed to process resources: %d\n", ret);
- goto disable_iommu;
+ goto unprepare_device;
}
/* Allocate carveout resources associated to rproc */
@@ -1627,6 +1634,9 @@ static int rproc_attach(struct rproc *rproc)
clean_up_resources:
rproc_resource_cleanup(rproc);
+unprepare_device:
+ /* release HW resources if needed */
+ rproc_unprepare_device(rproc);
disable_iommu:
rproc_disable_iommu(rproc);
return ret;