aboutsummaryrefslogtreecommitdiff
path: root/drivers/usb/host/ehci-sched.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/usb/host/ehci-sched.c')
-rw-r--r--drivers/usb/host/ehci-sched.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c
index b56f25864ed..ccc7300baa6 100644
--- a/drivers/usb/host/ehci-sched.c
+++ b/drivers/usb/host/ehci-sched.c
@@ -638,7 +638,7 @@ iso_stream_alloc (unsigned mem_flags)
{
struct ehci_iso_stream *stream;
- stream = kcalloc(1, sizeof *stream, mem_flags);
+ stream = kzalloc(sizeof *stream, mem_flags);
if (likely (stream != NULL)) {
INIT_LIST_HEAD(&stream->td_list);
INIT_LIST_HEAD(&stream->free_list);
@@ -700,6 +700,7 @@ iso_stream_init (
} else {
u32 addr;
+ int think_time;
addr = dev->ttport << 24;
if (!ehci_is_TDI(ehci)
@@ -709,6 +710,9 @@ iso_stream_init (
addr |= epnum << 8;
addr |= dev->devnum;
stream->usecs = HS_USECS_ISO (maxp);
+ think_time = dev->tt ? dev->tt->think_time : 0;
+ stream->tt_usecs = NS_TO_US (think_time + usb_calc_bus_time (
+ dev->speed, is_input, 1, maxp));
if (is_input) {
u32 tmp;