renegade-project/linux-next
2
0
Fork 0
mirror of https://github.com/edk2-porting/linux-next.git synced 2024-12-19 10:44:14 +08:00
Code

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

Browse Source 
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>
This commit is contained in:
Akinobu Mita 2011-02-16 23:47:51 +09:00 committed by Greg Kroah-Hartman
parent 5c8d61bfcc
commit 04b31c776f
1 changed files with 2 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/usb/host/isp1362-hcd.c
View File

@ -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--;