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path: root/drivers/usb/dwc3/host.c
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Diffstat (limited to 'drivers/usb/dwc3/host.c')
-rw-r--r--drivers/usb/dwc3/host.c27
1 files changed, 27 insertions, 0 deletions
diff --git a/drivers/usb/dwc3/host.c b/drivers/usb/dwc3/host.c
index 0204787df81d..a171b27a7845 100644
--- a/drivers/usb/dwc3/host.c
+++ b/drivers/usb/dwc3/host.c
@@ -10,10 +10,13 @@
#include <linux/irq.h>
#include <linux/of.h>
#include <linux/platform_device.h>
+#include <linux/usb.h>
+#include <linux/usb/hcd.h>
#include "../host/xhci-port.h"
#include "../host/xhci-ext-caps.h"
#include "../host/xhci-caps.h"
+#include "../host/xhci-plat.h"
#include "core.h"
#define XHCI_HCSPARAMS1 0x4
@@ -57,6 +60,24 @@ static void dwc3_power_off_all_roothub_ports(struct dwc3 *dwc)
}
}
+static void dwc3_xhci_plat_start(struct usb_hcd *hcd)
+{
+ struct platform_device *pdev;
+ struct dwc3 *dwc;
+
+ if (!usb_hcd_is_primary_hcd(hcd))
+ return;
+
+ pdev = to_platform_device(hcd->self.controller);
+ dwc = dev_get_drvdata(pdev->dev.parent);
+
+ dwc3_enable_susphy(dwc, true);
+}
+
+static const struct xhci_plat_priv dwc3_xhci_plat_quirk = {
+ .plat_start = dwc3_xhci_plat_start,
+};
+
static void dwc3_host_fill_xhci_irq_res(struct dwc3 *dwc,
int irq, char *name)
{
@@ -167,6 +188,11 @@ int dwc3_host_init(struct dwc3 *dwc)
}
}
+ ret = platform_device_add_data(xhci, &dwc3_xhci_plat_quirk,
+ sizeof(struct xhci_plat_priv));
+ if (ret)
+ goto err;
+
ret = platform_device_add(xhci);
if (ret) {
dev_err(dwc->dev, "failed to register xHCI device\n");
@@ -192,6 +218,7 @@ void dwc3_host_exit(struct dwc3 *dwc)
if (dwc->sys_wakeup)
device_init_wakeup(&dwc->xhci->dev, false);
+ dwc3_enable_susphy(dwc, false);
platform_device_unregister(dwc->xhci);
dwc->xhci = NULL;
}