Commit 8210fc87 authored by Mathieu Poirier's avatar Mathieu Poirier Committed by Bjorn Andersson
Browse files

remoteproc: stm32: Decouple rproc from DT parsing 



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.

Acked-by: default avatarArnaud Pouliquen <arnaud.pouliquen@st.com>
Signed-off-by: default avatarMathieu Poirier <mathieu.poirier@linaro.org>
Reviewed-by: default avatarBjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20200714200445.1427257-4-mathieu.poirier@linaro.org


Signed-off-by: default avatarBjorn Andersson <bjorn.andersson@linaro.org>
parent b8631ab1

drivers/remoteproc/stm32_rproc.c

+12 −11
Original line number Diff line number Diff line
@@ -539,12 +539,11 @@ out: 
	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)

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