usb: isp1362-hcd: use bitmap_clear() and bitmap_set()

Use bitmap_set()/bitmap_clear() to fill/zero a region of a bitmap
instead of doing set_bit()/clear_bit() each bit.

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 2 insertions, 5 deletions

diff --git a/drivers/usb/host/isp1362-hcd.c b/drivers/usb/host/isp1362-hcd.c
index 43a39eb56cc6..02b742df332a 100644
--- a/drivers/usb/host/isp1362-hcd.c
+++ b/drivers/usb/host/isp1362-hcd.c
@@ -226,7 +226,6 @@ static int claim_ptd_buffers(struct isp1362_ep_queue *epq,
 
 static inline void release_ptd_buffers(struct isp1362_ep_queue *epq, struct isp1362_ep *ep)
 {
-        int index = ep->ptd_index;
         int last = ep->ptd_index + ep->num_ptds;
 
         if (last > epq->buf_count)
@@ -236,10 +235,8 @@ static inline void release_ptd_buffers(struct isp1362_ep_queue *epq, struct isp1
                     epq->buf_map, epq->skip_map);
         BUG_ON(last > epq->buf_count);
 
-        for (; index < last; index++) {
-                __clear_bit(index, &epq->buf_map);
-                __set_bit(index, &epq->skip_map);
-        }
+        bitmap_clear(&epq->buf_map, ep->ptd_index, ep->num_ptds);
+        bitmap_set(&epq->skip_map, ep->ptd_index, ep->num_ptds);
         epq->buf_avail += ep->num_ptds;
         epq->ptd_count--;