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path: root/drivers/remoteproc/stm32_rproc.c
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Diffstat (limited to 'drivers/remoteproc/stm32_rproc.c')
-rw-r--r--drivers/remoteproc/stm32_rproc.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/remoteproc/stm32_rproc.c b/drivers/remoteproc/stm32_rproc.c
index e2da7198b65f..2cf4b2992bfc 100644
--- a/drivers/remoteproc/stm32_rproc.c
+++ b/drivers/remoteproc/stm32_rproc.c
@@ -383,10 +383,21 @@ static void stm32_rproc_add_coredump_trace(struct rproc *rproc)
static int stm32_rproc_start(struct rproc *rproc)
{
+ struct stm32_rproc *ddata = rproc->priv;
int err;
stm32_rproc_add_coredump_trace(rproc);
+ /* clear remote proc Deep Sleep */
+ if (ddata->pdds.map) {
+ err = regmap_update_bits(ddata->pdds.map, ddata->pdds.reg,
+ ddata->pdds.mask, 0);
+ if (err) {
+ dev_err(&rproc->dev, "failed to clear pdds\n");
+ return err;
+ }
+ }
+
err = stm32_rproc_set_hold_boot(rproc, false);
if (err)
return err;
@@ -506,6 +517,9 @@ static int stm32_rproc_parse_dt(struct platform_device *pdev)
int err, irq;
irq = platform_get_irq(pdev, 0);
+ if (irq == -EPROBE_DEFER)
+ return -EPROBE_DEFER;
+
if (irq > 0) {
err = devm_request_irq(dev, irq, stm32_rproc_wdg, 0,
dev_name(dev), rproc);