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path: root/drivers/usb/host/xhci-ring.c
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Diffstat (limited to 'drivers/usb/host/xhci-ring.c')
-rw-r--r--drivers/usb/host/xhci-ring.c18
1 files changed, 11 insertions, 7 deletions
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 09b05a62375e..965bffce301e 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -55,6 +55,7 @@
#include <linux/jiffies.h>
#include <linux/scatterlist.h>
#include <linux/slab.h>
+#include <linux/string_choices.h>
#include <linux/dma-mapping.h>
#include "xhci.h"
#include "xhci-trace.h"
@@ -422,7 +423,8 @@ static void xhci_handle_stopped_cmd_ring(struct xhci_hcd *xhci,
if ((xhci->cmd_ring->dequeue != xhci->cmd_ring->enqueue) &&
!(xhci->xhc_state & XHCI_STATE_DYING)) {
xhci->current_cmd = cur_cmd;
- xhci_mod_cmd_timer(xhci);
+ if (cur_cmd)
+ xhci_mod_cmd_timer(xhci);
xhci_ring_cmd_db(xhci);
}
}
@@ -1649,12 +1651,13 @@ static void xhci_handle_cmd_nec_get_fw(struct xhci_hcd *xhci,
NEC_FW_MINOR(le32_to_cpu(event->status)));
}
-static void xhci_complete_del_and_free_cmd(struct xhci_command *cmd, u32 status)
+static void xhci_complete_del_and_free_cmd(struct xhci_command *cmd, u32 comp_code, u32 comp_param)
{
list_del(&cmd->cmd_list);
if (cmd->completion) {
- cmd->status = status;
+ cmd->status = comp_code;
+ cmd->comp_param = comp_param;
complete(cmd->completion);
} else {
kfree(cmd);
@@ -1666,7 +1669,7 @@ void xhci_cleanup_command_queue(struct xhci_hcd *xhci)
struct xhci_command *cur_cmd, *tmp_cmd;
xhci->current_cmd = NULL;
list_for_each_entry_safe(cur_cmd, tmp_cmd, &xhci->cmd_list, cmd_list)
- xhci_complete_del_and_free_cmd(cur_cmd, COMP_COMMAND_ABORTED);
+ xhci_complete_del_and_free_cmd(cur_cmd, COMP_COMMAND_ABORTED, 0);
}
void xhci_handle_command_timeout(struct work_struct *work)
@@ -1751,6 +1754,7 @@ static void handle_cmd_completion(struct xhci_hcd *xhci,
struct xhci_event_cmd *event)
{
unsigned int slot_id = TRB_TO_SLOT_ID(le32_to_cpu(event->flags));
+ u32 status = le32_to_cpu(event->status);
u64 cmd_dma;
dma_addr_t cmd_dequeue_dma;
u32 cmd_comp_code;
@@ -1879,7 +1883,7 @@ static void handle_cmd_completion(struct xhci_hcd *xhci,
}
event_handled:
- xhci_complete_del_and_free_cmd(cmd, cmd_comp_code);
+ xhci_complete_del_and_free_cmd(cmd, cmd_comp_code, COMP_PARAM(status));
inc_deq(xhci, xhci->cmd_ring);
}
@@ -3438,8 +3442,8 @@ static void check_interval(struct urb *urb, struct xhci_ep_ctx *ep_ctx)
if (xhci_interval != ep_interval) {
dev_dbg_ratelimited(&urb->dev->dev,
"Driver uses different interval (%d microframe%s) than xHCI (%d microframe%s)\n",
- ep_interval, ep_interval == 1 ? "" : "s",
- xhci_interval, xhci_interval == 1 ? "" : "s");
+ ep_interval, str_plural(ep_interval),
+ xhci_interval, str_plural(xhci_interval));
urb->interval = xhci_interval;
/* Convert back to frames for LS/FS devices */
if (urb->dev->speed == USB_SPEED_LOW ||