linux-kernel - Re: [PATCH v4 1/3] ACPI: platform-profile: add platform_profile

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Date: Sat, 06 Apr 2024 02:00:02 +0200
From: Gergo Koteles <soyer@....hu>
To: Barnabás Pőcze <pobrn@...tonmail.com>
Cc: "Rafael J. Wysocki" <rafael@...nel.org>,
  Len Brown <lenb@...nel.org>, Ike Panhc <ike.pan@...onical.com>,
  Hans de Goede <hdegoede@...hat.com>,
  Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>,
  Henrique de Moraes Holschuh <hmh@....eng.br>,
  linux-acpi@...r.kernel.org, ibm-acpi-devel@...ts.sourceforge.net,
  platform-driver-x86@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 1/3] ACPI: platform-profile: add
 platform_profile_cycle()

Hi Barnabás,

On Fri, 2024-04-05 at 16:34 +0000, Barnabás Pőcze wrote:
> > +	next = ffs(cur_profile->choices[0] >> (profile + 1)) + profile;
> > +
> > +	/* current profile is the highest, select the lowest */
> > +	if (next == profile)
> > +		next = ffs(cur_profile->choices[0]) - 1;
> 
> I think you can use `find_next_bit()` or similar instead.
> 

Thanks, it looks much better with find_next_bit_wrap.

> 
Best regards,
Gergo