Commit f03631da authored by Suzuki K Poulose's avatar Suzuki K Poulose Committed by Greg Kroah-Hartman
Browse files

coresight: Introduce generic platform data helper 



So far we have hard coded the DT platform parsing code in
every driver. Introduce generic helper to parse the information
provided by the firmware in a platform agnostic manner, in preparation
for the ACPI support.

Signed-off-by: default avatarSuzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: default avatarMathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent a15dab75

drivers/hwtracing/coresight/coresight-catu.c

+5 −8
Original line number Diff line number Diff line
@@ -503,17 +503,14 @@ static int catu_probe(struct amba_device *adev, const struct amba_id *id) 
	struct coresight_desc catu_desc;

	struct coresight_platform_data *pdata = NULL;

	struct device *dev = &adev->dev;

	struct device_node *np = dev->of_node;

	void __iomem *base;



	if (np) {

		pdata = of_get_coresight_platform_data(dev, np);

	pdata = coresight_get_platform_data(dev);

	if (IS_ERR(pdata)) {

		ret = PTR_ERR(pdata);

		goto out;

	}

	dev->platform_data = pdata;

	}



	drvdata = devm_kzalloc(dev, sizeof(*drvdata), GFP_KERNEL);

	if (!drvdata) {

drivers/hwtracing/coresight/coresight-etb10.c

+4 −7
Original line number Diff line number Diff line
@@ -732,14 +732,11 @@ static int etb_probe(struct amba_device *adev, const struct amba_id *id) 
	struct etb_drvdata *drvdata;

	struct resource *res = &adev->res;

	struct coresight_desc desc = { 0 };

	struct device_node *np = adev->dev.of_node;



	if (np) {

		pdata = of_get_coresight_platform_data(dev, np);

	pdata = coresight_get_platform_data(dev);

	if (IS_ERR(pdata))

		return PTR_ERR(pdata);

	adev->dev.platform_data = pdata;

	}



	drvdata = devm_kzalloc(dev, sizeof(*drvdata), GFP_KERNEL);

	if (!drvdata)

drivers/hwtracing/coresight/coresight-etm3x.c

+4 −8
Original line number Diff line number Diff line
@@ -790,20 +790,16 @@ static int etm_probe(struct amba_device *adev, const struct amba_id *id) 
	struct etm_drvdata *drvdata;

	struct resource *res = &adev->res;

	struct coresight_desc desc = { 0 };

	struct device_node *np = adev->dev.of_node;



	drvdata = devm_kzalloc(dev, sizeof(*drvdata), GFP_KERNEL);

	if (!drvdata)

		return -ENOMEM;



	if (np) {

		pdata = of_get_coresight_platform_data(dev, np);

	pdata = coresight_get_platform_data(dev);

	if (IS_ERR(pdata))

		return PTR_ERR(pdata);



	adev->dev.platform_data = pdata;

	}



	drvdata->use_cp14 = fwnode_property_read_bool(dev->fwnode, "arm,cp14");

	dev_set_drvdata(dev, drvdata);

drivers/hwtracing/coresight/coresight-etm4x.c

+4 −7
Original line number Diff line number Diff line
@@ -1084,18 +1084,15 @@ static int etm4_probe(struct amba_device *adev, const struct amba_id *id) 
	struct etmv4_drvdata *drvdata;

	struct resource *res = &adev->res;

	struct coresight_desc desc = { 0 };

	struct device_node *np = adev->dev.of_node;



	drvdata = devm_kzalloc(dev, sizeof(*drvdata), GFP_KERNEL);

	if (!drvdata)

		return -ENOMEM;



	if (np) {

		pdata = of_get_coresight_platform_data(dev, np);

	pdata = coresight_get_platform_data(dev);

	if (IS_ERR(pdata))

		return PTR_ERR(pdata);

	adev->dev.platform_data = pdata;

	}



	dev_set_drvdata(dev, drvdata);

drivers/hwtracing/coresight/coresight-funnel.c

+4 −7
Original line number Diff line number Diff line
@@ -187,14 +187,11 @@ static int funnel_probe(struct device *dev, struct resource *res) 
	struct coresight_platform_data *pdata = NULL;

	struct funnel_drvdata *drvdata;

	struct coresight_desc desc = { 0 };

	struct device_node *np = dev->of_node;



	if (np) {

		pdata = of_get_coresight_platform_data(dev, np);

	pdata = coresight_get_platform_data(dev);

	if (IS_ERR(pdata))

		return PTR_ERR(pdata);

	dev->platform_data = pdata;

	}



	if (is_of_node(dev_fwnode(dev)) &&

	    of_device_is_compatible(dev->of_node, "arm,coresight-funnel"))

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