usb: dwc3: initialize platform data at pci glue layer

This patch initializes platform data at pci glue layer, and SoCs x86-based
platform vendor is able to define their flags in platform data at bus glue
layer. Then do some independent behaviors at dwc3 core level.

Signed-off-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

1 files changed, 9 insertions, 0 deletions

diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c
index a36cf66302fb..ada975f0b365 100644
--- a/drivers/usb/dwc3/dwc3-pci.c
+++ b/drivers/usb/dwc3/dwc3-pci.c
@@ -25,6 +25,8 @@
 #include <linux/usb/otg.h>
 #include <linux/usb/usb_phy_generic.h>
 
+#include "platform_data.h"
+
 /* FIXME define these in <linux/pci_ids.h> */
 #define PCI_VENDOR_ID_SYNOPSYS          0x16c3
 #define PCI_DEVICE_ID_SYNOPSYS_HAPSUSB3 0xabcd
@@ -102,6 +104,9 @@ static int dwc3_pci_probe(struct pci_dev *pci,
         struct dwc3_pci         *glue;
         int                     ret;
         struct device           *dev = &pci->dev;
+        struct dwc3_platform_data dwc3_pdata;
+
+        memset(&dwc3_pdata, 0x00, sizeof(dwc3_pdata));
 
         glue = devm_kzalloc(dev, sizeof(*glue), GFP_KERNEL);
         if (!glue)
@@ -148,6 +153,10 @@ static int dwc3_pci_probe(struct pci_dev *pci,
 
         pci_set_drvdata(pci, glue);
 
+        ret = platform_device_add_data(dwc3, &dwc3_pdata, sizeof(dwc3_pdata));
+        if (ret)
+                goto err3;
+
         dma_set_coherent_mask(&dwc3->dev, dev->coherent_dma_mask);
 
         dwc3->dev.dma_mask = dev->dma_mask;