Messages in this thread Patch in this message | | | Subject | [PATCH] sound: use bitmap_weight | From | Joe Perches <> | Date | Fri, 16 Nov 2012 23:35:16 -0800 |
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Use bitmap_weight to count the total number of bits set in bitmap.
Signed-off-by: Joe Perches <joe@perches.com> --- sound/usb/endpoint.c | 7 +------ 1 files changed, 1 insertions(+), 6 deletions(-)
diff --git a/sound/usb/endpoint.c b/sound/usb/endpoint.c index 34de6f2..51a9aa3 100644 --- a/sound/usb/endpoint.c +++ b/sound/usb/endpoint.c @@ -485,15 +485,10 @@ __exit_unlock: static int wait_clear_urbs(struct snd_usb_endpoint *ep) { unsigned long end_time = jiffies + msecs_to_jiffies(1000); - unsigned int i; int alive; do { - alive = 0; - for (i = 0; i < ep->nurbs; i++) - if (test_bit(i, &ep->active_mask)) - alive++; - + alive = bitmap_weight(&ep->active_mask, ep->nurbs); if (!alive) break;
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