Add comments.

This commit is contained in:
maxv 2020-05-31 07:53:38 +00:00
parent 3f508e4d23
commit ad8bcb1485

View File

@ -1,4 +1,4 @@
/* $NetBSD: vhci.c,v 1.18 2020/05/21 05:58:00 maxv Exp $ */
/* $NetBSD: vhci.c,v 1.19 2020/05/31 07:53:38 maxv Exp $ */
/*
* Copyright (c) 2019-2020 The NetBSD Foundation, Inc.
@ -30,7 +30,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: vhci.c,v 1.18 2020/05/21 05:58:00 maxv Exp $");
__KERNEL_RCSID(0, "$NetBSD: vhci.c,v 1.19 2020/05/31 07:53:38 maxv Exp $");
#ifdef _KERNEL_OPT
#include "opt_usb.h"
@ -832,6 +832,10 @@ vhci_usb_attach(vhci_fd_t *vfd)
}
KASSERT(xfer->ux_status == USBD_IN_PROGRESS);
/*
* Mark our port has having changed state. Uhub will then fetch
* status/change and see it needs to perform an attach.
*/
p = xfer->ux_buf;
memset(p, 0, xfer->ux_length);
p[0] = __BIT(vfd->port); /* TODO-bitmap */
@ -917,9 +921,13 @@ vhci_usb_detach(vhci_fd_t *vfd)
port->status = 0;
port->change = UPS_C_CONNECT_STATUS | UPS_C_PORT_RESET;
/*
* Mark our port has having changed state. Uhub will then fetch
* status/change and see it needs to perform a detach.
*/
p = xfer->ux_buf;
memset(p, 0, xfer->ux_length);
p[0] = __BIT(vfd->port);
p[0] = __BIT(vfd->port); /* TODO-bitmap */
xfer->ux_actlen = xfer->ux_length;
xfer->ux_status = USBD_NORMAL_COMPLETION;