From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B6EB931ED68; Fri, 17 Apr 2026 07:33:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.19 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776411206; cv=none; b=WirrHlt2C8eS37T13rmdYk0AN/3yNNlKTUVqJgWUuYPePGSNRvbyEuDylfPJkZFWw1IYa2q6DbNGINe2dGnKa9T8BsC/M0mIF83HmgXX6uEkSVtuAX4X6zP9YgMQd1i82YY7iPWtg28MuYA+T31rJCQNpXmrabmLgzRRQazDpkI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776411206; c=relaxed/simple; bh=0y/r0BPgfQrMIEgn+iiajBjp+LB9k0B/72E03JTlTDY=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=PxPK2IwzeddU3qE6pz3b5kErS4GMy6s1v6B02gsovgBEwlvYYNz8h+bFcR44GWfO4/nPvqDGS4hJS05anJpX9i4W9dpe0wq9fOwCdKdqYZVxz/6OHXyxvPdKKvrJeabsIij/OMjHwAPJMqIStcnnMj3Dmhjih5oBHlnEQSl3PFc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=pass smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=jsX83t1m; arc=none smtp.client-ip=198.175.65.19 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="jsX83t1m" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1776411206; x=1807947206; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=0y/r0BPgfQrMIEgn+iiajBjp+LB9k0B/72E03JTlTDY=; b=jsX83t1mXdM+PicEAKP2KxRZeLEeYVSgNYwo9fWRtobg7njAiAQ2wzk5 dCvkkDnGBnbQ7vqEzWPf+hJUoh2nKYpcE0cHXwF3T+04N3vplSvzfjbiV FO0DCdTGr1VZcYNTKKQr75YZuOyjkh5Orq8ob0/sI4BMBDyqAh0VZROaX sbtcSFk3t7jDR+qHQDfqyDcGH3MsjhQnf2SNRFa/GjqJKwIcnm1L5iNt6 58zr35FxUUbjxK2NavmdzrxuIYREPi0EtncsBMZq9jJT3+NbE00HRJQMm eO+T428kYTBW3Eg7eH2rytt8ju82yxvnzLNQORTMwHV78nILJfSm/Kjag g==; X-CSE-ConnectionGUID: atu3X5c+SdGhOcltYmEpqw== X-CSE-MsgGUID: xCzVQQkPTXuLO2ZfG6Updw== X-IronPort-AV: E=McAfee;i="6800,10657,11761"; a="77332041" X-IronPort-AV: E=Sophos;i="6.23,183,1770624000"; d="scan'208";a="77332041" Received: from orviesa010.jf.intel.com ([10.64.159.150]) by orvoesa111.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Apr 2026 00:33:26 -0700 X-CSE-ConnectionGUID: GKlm/5d3SL+NJtdbR5rOAw== X-CSE-MsgGUID: KbXWwPcaQQKeZaZiDooZGw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,183,1770624000"; d="scan'208";a="230109306" Received: from hrotuna-mobl2.ger.corp.intel.com (HELO localhost) ([10.245.245.78]) by orviesa010-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Apr 2026 00:33:23 -0700 Date: Fri, 17 Apr 2026 10:33:20 +0300 From: Andy Shevchenko To: Yury Norov Cc: Linus Walleij , Bartosz Golaszewski , Shubhrajyoti Datta , Srinivas Neeli , Michal Simek , linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH] gpio: drop bitmap_complement() where feasible Message-ID: References: <20260417033439.318930-1-ynorov@nvidia.com> Precedence: bulk X-Mailing-List: linux-gpio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260417033439.318930-1-ynorov@nvidia.com> Organization: Intel Finland Oy - BIC 0357606-4 - c/o Alberga Business Park, 6 krs, Bertel Jungin Aukio 5, 02600 Espoo On Thu, Apr 16, 2026 at 11:34:38PM -0400, Yury Norov wrote: > The gpio drivers reproduce the following pattern: > > bitmap_complement(tmp, data1, nbits); > bitmap_and(dst, data2, tmp, nbits); > > This can be done in a single pass: > > bitmap_andnot(dst, data2, data1t, nbits); Split on per-driver basis. With this being done, Reviewed-by: Andy Shevchenko -- With Best Regards, Andy Shevchenko