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-rw-r--r--drivers/usb/host/ehci-sched.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c
index 4a0c5a78b2e..a081ee65bde 100644
--- a/drivers/usb/host/ehci-sched.c
+++ b/drivers/usb/host/ehci-sched.c
@@ -918,7 +918,7 @@ iso_stream_init (
*/
stream->usecs = HS_USECS_ISO (maxp);
bandwidth = stream->usecs * 8;
- bandwidth /= 1 << (interval - 1);
+ bandwidth /= interval;
} else {
u32 addr;
@@ -951,7 +951,7 @@ iso_stream_init (
} else
stream->raw_mask = smask_out [hs_transfers - 1];
bandwidth = stream->usecs + stream->c_usecs;
- bandwidth /= 1 << (interval + 2);
+ bandwidth /= interval << 3;
/* stream->splits gets created from raw_mask later */
stream->address = cpu_to_hc32(ehci, addr);