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authorSuzuki K Poulose <suzuki.poulose@arm.com>2019-06-19 13:52:54 -0600
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-06-20 07:56:11 +0200
commitf03631da4be33219021323630a8cf788fd066267 (patch)
tree6147d521370b8e95552954d424fc17bf7a3b651c /drivers/hwtracing/coresight/coresight-tpiu.c
parentcoresight: Make sure device uses DT for obsolete compatible check (diff)
downloadlinux-dev-f03631da4be33219021323630a8cf788fd066267.tar.xz
linux-dev-f03631da4be33219021323630a8cf788fd066267.zip
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: Suzuki K Poulose <suzuki.poulose@arm.com> Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/hwtracing/coresight/coresight-tpiu.c')
-rw-r--r--drivers/hwtracing/coresight/coresight-tpiu.c11
1 files changed, 4 insertions, 7 deletions
diff --git a/drivers/hwtracing/coresight/coresight-tpiu.c b/drivers/hwtracing/coresight/coresight-tpiu.c
index 4dd3e7f63050..aec0ed7bf924 100644
--- a/drivers/hwtracing/coresight/coresight-tpiu.c
+++ b/drivers/hwtracing/coresight/coresight-tpiu.c
@@ -124,14 +124,11 @@ static int tpiu_probe(struct amba_device *adev, const struct amba_id *id)
struct tpiu_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);
- if (IS_ERR(pdata))
- return PTR_ERR(pdata);
- adev->dev.platform_data = pdata;
- }
+ pdata = coresight_get_platform_data(dev);
+ if (IS_ERR(pdata))
+ return PTR_ERR(pdata);
+ dev->platform_data = pdata;
drvdata = devm_kzalloc(dev, sizeof(*drvdata), GFP_KERNEL);
if (!drvdata)