usb: dwc3: haps: Constify the software node

What platform_device_add_properties() does is it allocates
dynamically a software node that will contain the device
properties supplied to it, and then couples that node with
the device. Since that node is always created, it might as
well be constant.

Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20210204141711.53775-4-heikki.krogerus@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/dwc3/dwc3-haps.c b/drivers/usb/dwc3/dwc3-haps.c
index 55b4a901168e8c46d5f71f3055c4690345ba29f5..f6e3817fa7af05d5c9e4381246e487fb53c0cebf 100644 (file)
--- a/drivers/usb/dwc3/dwc3-haps.c
+++ b/drivers/usb/dwc3/dwc3-haps.c
@@ -33,6 +33,10 @@ static const struct property_entry initial_properties[] = {
        { },
 };
 
+static const struct software_node dwc3_haps_swnode = {
+       .properties = initial_properties,
+};
+
 static int dwc3_haps_probe(struct pci_dev *pci,
                           const struct pci_device_id *id)
 {
@@ -77,7 +81,7 @@ static int dwc3_haps_probe(struct pci_dev *pci,
        dwc->pci = pci;
        dwc->dwc3->dev.parent = dev;
 
-       ret = platform_device_add_properties(dwc->dwc3, initial_properties);
+       ret = device_add_software_node(&dwc->dwc3->dev, &dwc3_haps_swnode);
        if (ret)
                goto err;
 
@@ -91,6 +95,7 @@ static int dwc3_haps_probe(struct pci_dev *pci,
 
        return 0;
 err:
+       device_remove_software_node(&dwc->dwc3->dev);
        platform_device_put(dwc->dwc3);
        return ret;
 }
@@ -99,6 +104,7 @@ static void dwc3_haps_remove(struct pci_dev *pci)
 {
        struct dwc3_haps *dwc = pci_get_drvdata(pci);
 
+       device_remove_software_node(&dwc->dwc3->dev);
        platform_device_unregister(dwc->dwc3);
 }