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path: root/drivers/usb/host/xhci-mem.c
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Diffstat (limited to 'drivers/usb/host/xhci-mem.c')
-rw-r--r--drivers/usb/host/xhci-mem.c31
1 files changed, 13 insertions, 18 deletions
diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c
index 2a82c927ded2..15f7d422885f 100644
--- a/drivers/usb/host/xhci-mem.c
+++ b/drivers/usb/host/xhci-mem.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* xHCI host controller driver
*
@@ -5,19 +6,6 @@
*
* Author: Sarah Sharp
* Some code borrowed from the Linux EHCI driver.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
- * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
- * for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <linux/usb.h>
@@ -28,6 +16,7 @@
#include "xhci.h"
#include "xhci-trace.h"
+#include "xhci-debugfs.h"
/*
* Allocates a generic ring segment from the ring pool, sets the dma address,
@@ -465,8 +454,6 @@ int xhci_ring_expansion(struct xhci_hcd *xhci, struct xhci_ring *ring,
return 0;
}
-#define CTX_SIZE(_hcc) (HCC_64BYTE_CONTEXT(_hcc) ? 64 : 32)
-
static struct xhci_container_ctx *xhci_alloc_container_ctx(struct xhci_hcd *xhci,
int type, gfp_t flags)
{
@@ -801,8 +788,8 @@ void xhci_free_stream_info(struct xhci_hcd *xhci,
static void xhci_init_endpoint_timer(struct xhci_hcd *xhci,
struct xhci_virt_ep *ep)
{
- setup_timer(&ep->stop_cmd_timer, xhci_stop_endpoint_command_watchdog,
- (unsigned long)ep);
+ timer_setup(&ep->stop_cmd_timer, xhci_stop_endpoint_command_watchdog,
+ 0);
ep->xhci = xhci;
}
@@ -947,6 +934,12 @@ void xhci_free_virt_devices_depth_first(struct xhci_hcd *xhci, int slot_id)
if (!vdev)
return;
+ if (vdev->real_port == 0 ||
+ vdev->real_port > HCS_MAX_PORTS(xhci->hcs_params1)) {
+ xhci_dbg(xhci, "Bad vdev->real_port.\n");
+ goto out;
+ }
+
tt_list_head = &(xhci->rh_bw[vdev->real_port - 1].tts);
list_for_each_entry_safe(tt_info, next, tt_list_head, tt_list) {
/* is this a hub device that added a tt_info to the tts list */
@@ -960,7 +953,9 @@ void xhci_free_virt_devices_depth_first(struct xhci_hcd *xhci, int slot_id)
}
}
}
+out:
/* we are now at a leaf device */
+ xhci_debugfs_remove_slot(xhci, slot_id);
xhci_free_virt_device(xhci, slot_id);
}
@@ -1311,6 +1306,7 @@ static unsigned int xhci_get_endpoint_interval(struct usb_device *udev,
* since it uses the same rules as low speed interrupt
* endpoints.
*/
+ /* fall through */
case USB_SPEED_LOW:
if (usb_endpoint_xfer_int(&ep->desc) ||
@@ -1496,7 +1492,6 @@ int xhci_endpoint_init(struct xhci_hcd *xhci,
ep_ctx->tx_info = cpu_to_le32(EP_MAX_ESIT_PAYLOAD_LO(max_esit_payload) |
EP_AVG_TRB_LENGTH(avg_trb_len));
- /* FIXME Debug endpoint context */
return 0;
}
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