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-rw-r--r--src/sys/include/io/usb/xhciregs.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/sys/include/io/usb/xhciregs.h b/src/sys/include/io/usb/xhciregs.h
index f849c54..ebaf5d7 100644
--- a/src/sys/include/io/usb/xhciregs.h
+++ b/src/sys/include/io/usb/xhciregs.h
@@ -75,7 +75,8 @@ struct __packed xhci_opregs {
*
* See section 5.4.1 of the xHCI spec
*/
-#define USBCMD_HCRST BIT(1)
+#define USBCMD_HCRST BIT(1) /* Host controller reset */
+
/*
* Macros to get various register spaces