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-rw-r--r--drivers/remoteproc/keystone_remoteproc.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/remoteproc/keystone_remoteproc.c b/drivers/remoteproc/keystone_remoteproc.c
index 6e09ef76f7c7..5f776bfd674a 100644
--- a/drivers/remoteproc/keystone_remoteproc.c
+++ b/drivers/remoteproc/keystone_remoteproc.c
@@ -456,6 +456,16 @@ static int keystone_rproc_probe(struct platform_device *pdev)
if (of_reserved_mem_device_init(dev))
dev_warn(dev, "device does not have specific CMA pool\n");
+ /* ensure the DSP is in reset before loading firmware */
+ ret = reset_control_status(ksproc->reset);
+ if (ret < 0) {
+ dev_err(dev, "failed to get reset status, status = %d\n", ret);
+ goto release_mem;
+ } else if (ret == 0) {
+ WARN(1, "device is not in reset\n");
+ keystone_rproc_dsp_reset(ksproc);
+ }
+
ret = rproc_add(rproc);
if (ret) {
dev_err(dev, "failed to add register device with remoteproc core, status = %d\n",