From: Akinobu Mita Date: Wed, 16 Feb 2011 14:47:51 +0000 (+0900) Subject: usb: isp1362-hcd: use bitmap_clear() and bitmap_set() X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=04b31c776f34d127b422da92899272a0b8cda21d;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git 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 Signed-off-by: Greg Kroah-Hartman --- 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--;