From: Vinod Koul <vkoul@kernel.org>
To: Richard Fitzgerald <rf@opensource.cirrus.com>
Cc: yung-chuan.liao@linux.intel.com,
pierre-louis.bossart@linux.intel.com, sanyog.r.kale@intel.com,
alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org,
patches@opensource.cirrus.com
Subject: Re: [PATCH v2] soundwire: bandwidth allocation: Use hweight32() to calculate set bits
Date: Thu, 16 Mar 2023 11:32:47 +0530 [thread overview]
Message-ID: <ZBKxB+4uTPDcibmj@matsya> (raw)
In-Reply-To: <20230315145051.2299822-1-rf@opensource.cirrus.com>
On 15-03-23, 14:50, Richard Fitzgerald wrote:
> Replace the call to sdw_ch_mask_to_ch() with a call to hweight32().
>
> sdw_ch_mask_to_ch() is counting the number of set bits. The hweight()
> family of functions already do this, and they have an advantage of
> using a bit-counting instruction if it is available on the target CPU.
> This also fixes a potential infinite loop bug in the implementation of
> sdw_ch_mask_to_ch().
Applied, thanks
--
~Vinod
prev parent reply other threads:[~2023-03-16 6:02 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-15 14:50 [PATCH v2] soundwire: bandwidth allocation: Use hweight32() to calculate set bits Richard Fitzgerald
2023-03-16 6:02 ` Vinod Koul [this message]
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