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From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
Cc: Matti Vaittinen <mazziesaccount@gmail.com>,
	Liam Girdwood <lgirdwood@gmail.com>,
	Mark Brown <broonie@kernel.org>, Jiri Kosina <trivial@kernel.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	Yury Norov <yury.norov@gmail.com>,
	Kumar Kartikeya Dwivedi <memxor@gmail.com>,
	Rasmus Villemoes <linux@rasmusvillemoes.dk>,
	Geert Uytterhoeven <geert+renesas@glider.be>,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/4] bitops: Add single_bit_set()
Date: Mon, 22 Nov 2021 13:28:07 +0200	[thread overview]
Message-ID: <YZt+x2moR632x///@smile.fi.intel.com> (raw)
In-Reply-To: <73d5e4286282a47b614d1cc5631eb9ff2a7e2b44.1637330431.git.matti.vaittinen@fi.rohmeurope.com>

On Mon, Nov 22, 2021 at 01:03:25PM +0200, Matti Vaittinen wrote:
> There are cases when it is useful to check a bit-mask has only one bit
> set. Add a generic helper for it instead of baking own one for each
> user.
> 
> Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
> ---
> I am not at all sure what would be the best place for this. Please let
> me know if you think some other file would be more appropriate.

So, you decided to reinvent hamming weight...
Please, drop this patch and use corresponding hweight() call.

-- 
With Best Regards,
Andy Shevchenko



  reply	other threads:[~2021-11-22 11:28 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-11-22 11:03 [PATCH 0/4] Provide event map helper for regulator drivers Matti Vaittinen
2021-11-22 11:03 ` [PATCH 1/4] bitops: Add single_bit_set() Matti Vaittinen
2021-11-22 11:28   ` Andy Shevchenko [this message]
2021-11-22 12:42     ` Vaittinen, Matti
2021-11-22 12:57       ` Andy Shevchenko
2021-11-22 13:00         ` Andy Shevchenko
2021-11-22 13:18         ` Vaittinen, Matti
2021-11-23 10:42           ` David Laight
2021-11-23 10:47             ` Andy Shevchenko
2021-11-23 10:58               ` David Laight
2021-11-23 13:43                 ` 'Andy Shevchenko'
2021-11-23 14:36                   ` David Laight
2021-11-23 11:42             ` Vaittinen, Matti
2021-11-22 17:54         ` Yury Norov
2021-11-22 19:56           ` Andy Shevchenko
2021-11-23  7:51             ` Yury Norov
2021-11-23  5:26           ` Vaittinen, Matti
2021-11-23  7:33             ` Yury Norov
2021-11-23  9:03               ` Andy Shevchenko
2021-11-23  9:10                 ` Geert Uytterhoeven
2021-11-22 11:03 ` [PATCH 2/4] regulators: Add regulator_err2notif() helper Matti Vaittinen
2021-11-22 11:04 ` [PATCH 3/4] regulators: irq_helper: Provide helper for trivial IRQ notifications Matti Vaittinen
2021-11-22 11:48   ` Andy Shevchenko
2021-11-22 12:44     ` Vaittinen, Matti
2021-11-22 11:04 ` [PATCH 4/4] regulator: Drop unnecessary struct member Matti Vaittinen

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