From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.12]) (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 AAEA333D6C0; Thu, 19 Feb 2026 11:03:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.12 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771499009; cv=none; b=DzDE2sARRzCKVyMZBqDtwdTlQSUB6TYqVG4uS58aglHCiOur6oZ2IhnkotB/BMbpaewdzjnMKjlBpCNOJlVxYtIgVCzqXzOphq+eAxP4yj3rS5M5HNDWCY8kYe4dj/uViPMOw4YEITsvwgXoqjBopOsEYtHCz3CxKHpdpivyY34= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771499009; c=relaxed/simple; bh=sC3YFmUgY7TLec065mxzBDAdvfCKpKOL1CUQXl4JrZA=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=N0PNEFqm4jSawVa/FDDE7svVzYpmvQbP6Jc296fWYiWekSgPRgjChNvKCsnqeSmzxvvmcsKcmHxt9h9fdeWh2IinHBQ87ANusgC3zyW5AmoLXrFdqS92k6GpUjSU6EQ5biZoJ7ZpD7/gKPpvOlWmtImCumdzLJ6St3lVsHuMivY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=M07eXCH+; arc=none smtp.client-ip=198.175.65.12 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="M07eXCH+" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1771499008; x=1803035008; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=sC3YFmUgY7TLec065mxzBDAdvfCKpKOL1CUQXl4JrZA=; b=M07eXCH+5nzkqqT9pqlHd4YZPa6m7E4HjSJKhGNq5gy4ow6aJs9Xn1Yo ywjOn5+cnkKmW2xSKu/IaMKbHhbaTpuPMkGZVoP9v/G7wKeIlDJpwXXLO FBhfiyMqtKKMjtX4qqmH0Y4kMo25OlQmZsX+D3DGa48bFCvhEDImxRCzi FTZY752ssAAfIawpzqTvPMz+SdPvZLM+5tv3O9HQfVxLrOYgs17gDAkxz Q1eXT7YBD+DYruotdCC9VJI1KWc2yaXP/vly12zkvOfEmKHgEWkxWJGBA 2BCrSxOXovHPSkX3reIzw3L9vOFU6IZzb41MfIZWqBl6r8uN6UjZXtCVO A==; X-CSE-ConnectionGUID: Dq01QZy2RBSNcPnrJJe7LQ== X-CSE-MsgGUID: pQUhX+UWSUW0la07YRBhuQ== X-IronPort-AV: E=McAfee;i="6800,10657,11705"; a="84032063" X-IronPort-AV: E=Sophos;i="6.21,299,1763452800"; d="scan'208";a="84032063" Received: from orviesa007.jf.intel.com ([10.64.159.147]) by orvoesa104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Feb 2026 03:03:28 -0800 X-CSE-ConnectionGUID: Qo5BBQZBS7SpOV2yxX6ElQ== X-CSE-MsgGUID: az7nC80uR6+WBQ7yV8LsXg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,299,1763452800"; d="scan'208";a="214589467" Received: from vpanait-mobl.ger.corp.intel.com (HELO localhost) ([10.245.244.114]) by orviesa007-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Feb 2026 03:03:25 -0800 Date: Thu, 19 Feb 2026 13:03:23 +0200 From: Andy Shevchenko To: tomasz.unger@yahoo.pl Cc: andy@kernel.org, gregkh@linuxfoundation.org, dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org, linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org Subject: Re: [PATCH] staging: fbtft: fb_tinylcd: replace udelay() with fsleep() Message-ID: References: <20260219105628.43534-1-tomasz.unger.ref@yahoo.pl> <20260219105628.43534-1-tomasz.unger@yahoo.pl> Precedence: bulk X-Mailing-List: linux-fbdev@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: <20260219105628.43534-1-tomasz.unger@yahoo.pl> Organization: Intel Finland Oy - BIC 0357606-4 - c/o Alberga Business Park, 6 krs, Bertel Jungin Aukio 5, 02600 Espoo On Thu, Feb 19, 2026 at 11:56:28AM +0100, tomasz.unger@yahoo.pl wrote: > fsleep() is the preferred modern API for flexible sleeping as it > automatically selects the best sleep mechanism based on the duration. > Replace udelay() with fsleep() to improve power efficiency. Is this sleeping context? -- With Best Regards, Andy Shevchenko