From: Joe Perches <joe@perches.com>
To: Takashi Iwai <tiwai@suse.de>
Cc: Akinobu Mita <akinobu.mita@gmail.com>,
alsa-devel@alsa-project.org, LKML <linux-kernel@vger.kernel.org>
Subject: [PATCH] sound: use bitmap_weight
Date: Fri, 16 Nov 2012 23:35:16 -0800 [thread overview]
Message-ID: <1353137716.12430.3.camel@joe-AO722> (raw)
In-Reply-To: <1353134389-25583-1-git-send-email-akinobu.mita@gmail.com>
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;
next parent reply other threads:[~2012-11-17 7:35 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1353134389-25583-1-git-send-email-akinobu.mita@gmail.com>
2012-11-17 7:35 ` Joe Perches [this message]
2012-11-17 10:36 ` Takashi Iwai
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1353137716.12430.3.camel@joe-AO722 \
--to=joe@perches.com \
--cc=akinobu.mita@gmail.com \
--cc=alsa-devel@alsa-project.org \
--cc=linux-kernel@vger.kernel.org \
--cc=tiwai@suse.de \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®