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path: root/drivers/usb/dwc2/host.c
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Diffstat (limited to 'drivers/usb/dwc2/host.c')
-rw-r--r--drivers/usb/dwc2/host.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/usb/dwc2/host.c b/drivers/usb/dwc2/host.c
index 13cb3472d7..510a07dfb9 100644
--- a/drivers/usb/dwc2/host.c
+++ b/drivers/usb/dwc2/host.c
@@ -788,3 +788,16 @@ int dwc2_register_host(struct dwc2 *dwc2)
return usb_register_host(host);
}
+
+void dwc2_host_uninit(struct dwc2 *dwc2)
+{
+ uint32_t hprt0;
+
+ hprt0 = dwc2_readl(dwc2, HPRT0);
+
+ /* Put everything in reset. */
+ hprt0 &= ~(HPRT0_ENA | HPRT0_ENACHG | HPRT0_CONNDET | HPRT0_OVRCURRCHG);
+ hprt0 |= HPRT0_RST;
+
+ dwc2_writel(dwc2, hprt0, HPRT0);
+}