[PATCH v4 5/9] usb: cdns3-ti: pass auxdata from match data to of_platform_populate()

Théo Lebrun theo.lebrun at bootlin.com
Thu Mar 7 01:55:06 PST 2024


Allow compatible to pick auxdata given to child platform devices.

No compatible exploits this functionality, just yet.

Signed-off-by: Théo Lebrun <theo.lebrun at bootlin.com>
---
 drivers/usb/cdns3/cdns3-ti.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/usb/cdns3/cdns3-ti.c b/drivers/usb/cdns3/cdns3-ti.c
index f76327566798..29fb24c811b3 100644
--- a/drivers/usb/cdns3/cdns3-ti.c
+++ b/drivers/usb/cdns3/cdns3-ti.c
@@ -62,7 +62,8 @@ struct cdns_ti {
 };
 
 struct cdns_ti_match_data {
-	bool reset_on_resume;
+	bool				reset_on_resume;
+	const struct of_dev_auxdata	*auxdata;
 };
 
 static const int cdns_ti_rate_table[] = {	/* in KHZ */
@@ -95,6 +96,7 @@ static int cdns_ti_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
 	struct device_node *node = pdev->dev.of_node;
+	const struct of_dev_auxdata *auxdata = NULL;
 	struct cdns_ti *data;
 	unsigned long rate;
 	int error, i;
@@ -149,7 +151,9 @@ static int cdns_ti_probe(struct platform_device *pdev)
 		goto err;
 	}
 
-	error = of_platform_populate(node, NULL, NULL, dev);
+	if (data->match_data)
+		auxdata = data->match_data->auxdata;
+	error = of_platform_populate(node, NULL, auxdata, dev);
 	if (error) {
 		dev_err(dev, "failed to create children: %d\n", error);
 		goto err;

-- 
2.44.0




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