[PATCH V3 4/5] dwc3: host: Enable USB3 LPM capability

[Pratyush Anand]

All dwc3 based xhci host controller supports USB3.0 LPM functionality.
Therefore enable it in platform data for all dwc3 based xhci device.

Signed-off-by: Pratyush Anand <pratyush.an...@st.com>
---
 drivers/usb/dwc3/host.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/drivers/usb/dwc3/host.c b/drivers/usb/dwc3/host.c
index 32db328..1fda6e8 100644
--- a/drivers/usb/dwc3/host.c
+++ b/drivers/usb/dwc3/host.c
@@ -16,12 +16,14 @@
  */
 
 #include <linux/platform_device.h>
+#include <linux/usb/xhci_pdriver.h>
 
 #include "core.h"
 
 int dwc3_host_init(struct dwc3 *dwc)
 {
        struct platform_device  *xhci;
+       struct usb_xhci_pdata   pdata;
        int                     ret;
 
        xhci = platform_device_alloc("xhci-hcd", PLATFORM_DEVID_AUTO);
@@ -46,6 +48,16 @@ int dwc3_host_init(struct dwc3 *dwc)
                goto err1;
        }
 
+       memset(&pdata, 0, sizeof(pdata));
+
+       pdata.usb3_lpm_capable = 1;
+
+       ret = platform_device_add_data(xhci, &pdata, sizeof(pdata));
+       if (ret) {
+               dev_err(dwc->dev, "couldn't add platform data to xHCI 
device\n");
+               goto err1;
+       }
+
        ret = platform_device_add(xhci);
        if (ret) {
                dev_err(dwc->dev, "failed to register xHCI device\n");
-- 
1.8.1.2

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