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Message-Id: <20210111141045.14027-3-heikki.krogerus@linux.intel.com>
Date:   Mon, 11 Jan 2021 17:10:44 +0300
From:   Heikki Krogerus <heikki.krogerus@...ux.intel.com>
To:     Felipe Balbi <balbi@...nel.org>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>
Cc:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org,
        linux-acpi@...r.kernel.org
Subject: [PATCH v2 2/3] usb: dwc3: pci: Register a software node for the dwc3 platform device

By registering the software node directly instead of just
the properties in it, the driver can take advantage of also
the other features the software nodes have.

Tested-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Signed-off-by: Heikki Krogerus <heikki.krogerus@...ux.intel.com>
---
 drivers/usb/dwc3/dwc3-pci.c | 61 ++++++++++++++++++++++---------------
 1 file changed, 37 insertions(+), 24 deletions(-)

diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c
index bae6a70664c80..037bc21bffa66 100644
--- a/drivers/usb/dwc3/dwc3-pci.c
+++ b/drivers/usb/dwc3/dwc3-pci.c
@@ -142,6 +142,18 @@ static const struct property_entry dwc3_pci_amd_properties[] = {
 	{}
 };
 
+static const struct software_node dwc3_pci_intel_swnode = {
+	.properties = dwc3_pci_intel_properties,
+};
+
+static const struct software_node dwc3_pci_intel_mrfld_swnode = {
+	.properties = dwc3_pci_mrfld_properties,
+};
+
+static const struct software_node dwc3_pci_amd_swnode = {
+	.properties = dwc3_pci_amd_properties,
+};
+
 static int dwc3_pci_quirks(struct dwc3_pci *dwc)
 {
 	struct pci_dev			*pdev = dwc->pci;
@@ -222,7 +234,6 @@ static void dwc3_pci_resume_work(struct work_struct *work)
 
 static int dwc3_pci_probe(struct pci_dev *pci, const struct pci_device_id *id)
 {
-	struct property_entry *p = (struct property_entry *)id->driver_data;
 	struct dwc3_pci		*dwc;
 	struct resource		res[2];
 	int			ret;
@@ -265,7 +276,7 @@ static int dwc3_pci_probe(struct pci_dev *pci, const struct pci_device_id *id)
 	dwc->dwc3->dev.parent = dev;
 	ACPI_COMPANION_SET(&dwc->dwc3->dev, ACPI_COMPANION(dev));
 
-	ret = platform_device_add_properties(dwc->dwc3, p);
+	ret = device_add_software_node(&dwc->dwc3->dev, (void *)id->driver_data);
 	if (ret < 0)
 		goto err;
 
@@ -288,6 +299,7 @@ static int dwc3_pci_probe(struct pci_dev *pci, const struct pci_device_id *id)
 
 	return 0;
 err:
+	device_remove_software_node(&dwc->dwc3->dev);
 	platform_device_put(dwc->dwc3);
 	return ret;
 }
@@ -304,75 +316,76 @@ static void dwc3_pci_remove(struct pci_dev *pci)
 #endif
 	device_init_wakeup(&pci->dev, false);
 	pm_runtime_get(&pci->dev);
+	device_remove_software_node(&dwc->dwc3->dev);
 	platform_device_unregister(dwc->dwc3);
 }
 
 static const struct pci_device_id dwc3_pci_id_table[] = {
 	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_BSW),
-	  (kernel_ulong_t) &dwc3_pci_intel_properties },
+	  (kernel_ulong_t) &dwc3_pci_intel_swnode, },
 
 	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_BYT),
-	  (kernel_ulong_t) &dwc3_pci_intel_properties, },
+	  (kernel_ulong_t) &dwc3_pci_intel_swnode, },
 
 	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_MRFLD),
-	  (kernel_ulong_t) &dwc3_pci_mrfld_properties, },
+	  (kernel_ulong_t) &dwc3_pci_intel_mrfld_swnode, },
 
 	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_CMLLP),
-	  (kernel_ulong_t) &dwc3_pci_intel_properties, },
+	  (kernel_ulong_t) &dwc3_pci_intel_swnode, },
 
 	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_CMLH),
-	  (kernel_ulong_t) &dwc3_pci_intel_properties, },
+	  (kernel_ulong_t) &dwc3_pci_intel_swnode, },
 
 	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_SPTLP),
-	  (kernel_ulong_t) &dwc3_pci_intel_properties, },
+	  (kernel_ulong_t) &dwc3_pci_intel_swnode, },
 
 	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_SPTH),
-	  (kernel_ulong_t) &dwc3_pci_intel_properties, },
+	  (kernel_ulong_t) &dwc3_pci_intel_swnode, },
 
 	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_BXT),
-	  (kernel_ulong_t) &dwc3_pci_intel_properties, },
+	  (kernel_ulong_t) &dwc3_pci_intel_swnode, },
 
 	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_BXT_M),
-	  (kernel_ulong_t) &dwc3_pci_intel_properties, },
+	  (kernel_ulong_t) &dwc3_pci_intel_swnode, },
 
 	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_APL),
-	  (kernel_ulong_t) &dwc3_pci_intel_properties, },
+	  (kernel_ulong_t) &dwc3_pci_intel_swnode, },
 
 	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_KBP),
-	  (kernel_ulong_t) &dwc3_pci_intel_properties, },
+	  (kernel_ulong_t) &dwc3_pci_intel_swnode, },
 
 	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_GLK),
-	  (kernel_ulong_t) &dwc3_pci_intel_properties, },
+	  (kernel_ulong_t) &dwc3_pci_intel_swnode, },
 
 	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_CNPLP),
-	  (kernel_ulong_t) &dwc3_pci_intel_properties, },
+	  (kernel_ulong_t) &dwc3_pci_intel_swnode, },
 
 	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_CNPH),
-	  (kernel_ulong_t) &dwc3_pci_intel_properties, },
+	  (kernel_ulong_t) &dwc3_pci_intel_swnode, },
 
 	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_CNPV),
-	  (kernel_ulong_t) &dwc3_pci_intel_properties, },
+	  (kernel_ulong_t) &dwc3_pci_intel_swnode, },
 
 	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ICLLP),
-	  (kernel_ulong_t) &dwc3_pci_intel_properties, },
+	  (kernel_ulong_t) &dwc3_pci_intel_swnode, },
 
 	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_EHLLP),
-	  (kernel_ulong_t) &dwc3_pci_intel_properties, },
+	  (kernel_ulong_t) &dwc3_pci_intel_swnode },
 
 	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_TGPLP),
-	  (kernel_ulong_t) &dwc3_pci_intel_properties, },
+	  (kernel_ulong_t) &dwc3_pci_intel_swnode, },
 
 	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_TGPH),
-	  (kernel_ulong_t) &dwc3_pci_intel_properties, },
+	  (kernel_ulong_t) &dwc3_pci_intel_swnode, },
 
 	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_JSP),
-	  (kernel_ulong_t) &dwc3_pci_intel_properties, },
+	  (kernel_ulong_t) &dwc3_pci_intel_swnode, },
 
 	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ADLS),
-	  (kernel_ulong_t) &dwc3_pci_intel_properties, },
+	  (kernel_ulong_t) &dwc3_pci_intel_swnode, },
 
 	{ PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_NL_USB),
-	  (kernel_ulong_t) &dwc3_pci_amd_properties, },
+	  (kernel_ulong_t) &dwc3_pci_amd_swnode, },
 	{  }	/* Terminating Entry */
 };
 MODULE_DEVICE_TABLE(pci, dwc3_pci_id_table);
-- 
2.29.2

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