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@xxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxx>
Cc: linux-usb@xxxxxxxxxxxxxxx
---
drivers/usb/host/isp1362-hcd.c | 7 ++-----
1 files changed, 2 insertions(+), 5 deletions(-)
diff --git a/drivers/usb/host/isp1362-hcd.c b/drivers/usb/host/isp1362-hcd.c
index 43a39eb..02b742d 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--;
--
1.7.4
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