[PATCH v3 5/8] usb: cdns3-ti: pass auxdata from match data to of_platform_populate()

From: Théo Lebrun
Date: Fri Feb 23 2024 - 11:06:55 EST


Allow compatible to pick auxdata given to child platform devices.

No compatible exploits this functionality, just yet.

Signed-off-by: Théo Lebrun <theo.lebrun@xxxxxxxxxxx>
---
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;

--
2.43.2