[v5,03/11] remoteproc: stm32: Decouple rproc from DT parsing
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Message ID 20200707213112.928383-4-mathieu.poirier@linaro.org
State New
Headers show
Series
  • remoteproc: stm32: Add support for attaching to M4
Related show

Commit Message

Mathieu Poirier July 7, 2020, 9:31 p.m. UTC
Remove the remote processor from the process of parsing the device tree
since (1) there is no correlation between them and (2) to use the
information that was gathered to make a decision on whether to
synchronise with the M4 or not.

Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
---
 drivers/remoteproc/stm32_rproc.c | 23 ++++++++++++-----------
 1 file changed, 12 insertions(+), 11 deletions(-)

Patch
diff mbox series

diff --git a/drivers/remoteproc/stm32_rproc.c b/drivers/remoteproc/stm32_rproc.c
index c00f60d42ab6..cbba995a80a2 100644
--- a/drivers/remoteproc/stm32_rproc.c
+++ b/drivers/remoteproc/stm32_rproc.c
@@ -539,12 +539,11 @@  static int stm32_rproc_get_syscon(struct device_node *np, const char *prop,
 	return err;
 }
 
-static int stm32_rproc_parse_dt(struct platform_device *pdev)
+static int stm32_rproc_parse_dt(struct platform_device *pdev,
+				struct stm32_rproc *ddata, bool *auto_boot)
 {
 	struct device *dev = &pdev->dev;
 	struct device_node *np = dev->of_node;
-	struct rproc *rproc = platform_get_drvdata(pdev);
-	struct stm32_rproc *ddata = rproc->priv;
 	struct stm32_syscon tz;
 	unsigned int tzen;
 	int err, irq;
@@ -590,7 +589,7 @@  static int stm32_rproc_parse_dt(struct platform_device *pdev)
 
 	err = regmap_read(tz.map, tz.reg, &tzen);
 	if (err) {
-		dev_err(&rproc->dev, "failed to read tzen\n");
+		dev_err(dev, "failed to read tzen\n");
 		return err;
 	}
 	ddata->secured_soc = tzen & tz.mask;
@@ -606,7 +605,7 @@  static int stm32_rproc_parse_dt(struct platform_device *pdev)
 	if (err)
 		dev_info(dev, "failed to get pdds\n");
 
-	rproc->auto_boot = of_property_read_bool(np, "st,auto-boot");
+	*auto_boot = of_property_read_bool(np, "st,auto-boot");
 
 	return stm32_rproc_of_memory_translations(pdev, ddata);
 }
@@ -627,9 +626,15 @@  static int stm32_rproc_probe(struct platform_device *pdev)
 	if (!rproc)
 		return -ENOMEM;
 
+	ddata = rproc->priv;
+
 	rproc_coredump_set_elf_info(rproc, ELFCLASS32, EM_NONE);
+
+	ret = stm32_rproc_parse_dt(pdev, ddata, &rproc->auto_boot);
+	if (ret)
+		goto free_rproc;
+
 	rproc->has_iommu = false;
-	ddata = rproc->priv;
 	ddata->workqueue = create_workqueue(dev_name(dev));
 	if (!ddata->workqueue) {
 		dev_err(dev, "cannot create workqueue\n");
@@ -639,13 +644,9 @@  static int stm32_rproc_probe(struct platform_device *pdev)
 
 	platform_set_drvdata(pdev, rproc);
 
-	ret = stm32_rproc_parse_dt(pdev);
-	if (ret)
-		goto free_wkq;
-
 	ret = stm32_rproc_request_mbox(rproc);
 	if (ret)
-		goto free_rproc;
+		goto free_wkq;
 
 	ret = rproc_add(rproc);
 	if (ret)