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From: Johannes Berg <johannes@sipsolutions.net>
To: Christian Lamparter <chunkeey@googlemail.com>
Cc: Felix Fietkau <nbd@openwrt.org>,
	linux-wireless@vger.kernel.org, linville@tuxdriver.com,
	lrodriguez@atheros.com, vasanth@atheros.com
Subject: Re: [PATCH v2 5/7] ath9k_hw: fix PA predistortion training power selection
Date: Mon, 13 Dec 2010 11:20:14 +0100	[thread overview]
Message-ID: <1292235614.3539.14.camel@jlt3.sipsolutions.net> (raw)
In-Reply-To: <201012131152.50095.chunkeey@googlemail.com>

On Mon, 2010-12-13 at 11:52 +0100, Christian Lamparter wrote:

> > +	return !!(mask & BIT(0)) + !!(mask & BIT(1)) + !!(mask & BIT(2));
> > +}
> > +
> I think there's a generic library function for that:
> hweight[8|16|32].

but note the !!, which makes this return 0, 1, 2 or 3 only, not the bit
weight.

johannes


  reply	other threads:[~2010-12-13 10:20 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-12-13  7:40 [PATCH v2 1/7] ath9k_hw: initialize ah->slottime Felix Fietkau
2010-12-13  7:40 ` [PATCH v2 2/7] ath9k_hw: fix the slot time setting for long distance links Felix Fietkau
2010-12-13  7:40   ` [PATCH v2 3/7] ath9k: fix PA predistortion thermal measurement handling Felix Fietkau
2010-12-13  7:40     ` [PATCH v2 4/7] ath9k_hw: fix the PA predistortion rate mask Felix Fietkau
2010-12-13  7:40       ` [PATCH v2 5/7] ath9k_hw: fix PA predistortion training power selection Felix Fietkau
2010-12-13  7:40         ` [PATCH v2 6/7] ath9k_hw: update AR9003 initvals for improved radar detection Felix Fietkau
2010-12-13  7:40           ` [PATCH v2 7/7] ath9k_hw: update AR9003 initvals to improve carrier leak calibration/correction Felix Fietkau
2010-12-13 10:52         ` [PATCH v2 5/7] ath9k_hw: fix PA predistortion training power selection Christian Lamparter
2010-12-13 10:20           ` Johannes Berg [this message]
2010-12-13 11:28             ` Christian Lamparter

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