From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.13]) (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 E498C3815D8; Sun, 10 May 2026 12:55:01 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.13 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778417704; cv=none; b=qaL79uZ5hITp+kncElQfIAfHB89cYXkM7A41Yv3xaeis2e9COPM3vd2BaRjqaqymklQFjjlJ2tppXDw1UjLzW3OiyBFL0/pGxjp26zu+1Bzv8RQuh59njMEsXrcFbx9Uu6yTcNR5o3NV5hMEy6W6EcP6euCRchN2/5uwpBYHzUE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778417704; c=relaxed/simple; bh=aVvnxtYsL6RBsZRox1ADfAUMdBEtP1dBPulb6F7sMOA=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=A0zCW/RY31lS4JjiHaR1Ed+4SlD8vol66+/WE3mtbj0iVVnSHL35td7DcYv7X5C1ttfoOEDyfAWwCqoe+18LTdaZGCF6ITDnQe9fNDLDGI4zrzibJxBoiAfJrUE+N+jPgRrcbf+XE5Ts7oP1tvR7ZUqCZk53r0GZPL9JqbWxybQ= 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=N1Ke8Eq/; arc=none smtp.client-ip=192.198.163.13 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="N1Ke8Eq/" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1778417702; x=1809953702; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=aVvnxtYsL6RBsZRox1ADfAUMdBEtP1dBPulb6F7sMOA=; b=N1Ke8Eq/dCzNB4REiDf479q0B5q1oQPZbnSk/zw8DX9jJ4Mjt1KHneOg 9rvBf03h/jfy5WM1ZCxUWnO1q1aTMx+n9N/kAYebWF+KRkp/HWwBug/mr qw1hgAvtn+pcdMx5wG2Zi5ORscvrNuJIcW2FVqn1t/mku8YYfDSNUaWZt 0te0wIU5Cg0jxNBCbxeBfBvqqTkHEWw275xXwgQKxiByiwTf7A5SeSfPN Hi1/LqrnF6EQPBvge/KMNlP1aCET6DQKgwVmeVPrA3WsltCewvnqMAPT7 Ix0cY3oGy5fUVAJbdaNzZpI/LZ3Fc7pCByrxpWPDPxjLJbWuD3TBLkSkn g==; X-CSE-ConnectionGUID: k3a2iMg0RVmKBXcIK7RSkw== X-CSE-MsgGUID: eqrWgJ/yQtmw8DSgml3GjA== X-IronPort-AV: E=McAfee;i="6800,10657,11781"; a="81891736" X-IronPort-AV: E=Sophos;i="6.23,227,1770624000"; d="scan'208";a="81891736" Received: from orviesa009.jf.intel.com ([10.64.159.149]) by fmvoesa107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 May 2026 05:55:01 -0700 X-CSE-ConnectionGUID: C+uXFmDeTmmEyyJNl9fNFA== X-CSE-MsgGUID: FdltFk89TAuOJ7wx4SQ7nA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,227,1770624000"; d="scan'208";a="237313177" Received: from dhhellew-desk2.ger.corp.intel.com (HELO localhost) ([10.245.244.171]) by orviesa009-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 May 2026 05:54:58 -0700 Date: Sun, 10 May 2026 15:54:55 +0300 From: Andy Shevchenko To: Stepan Ionichev Cc: jic23@kernel.org, lars@metafoo.de, Michael.Hennerich@analog.com, puranjay@kernel.org, dlechner@baylibre.com, nuno.sa@analog.com, andy@kernel.org, linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] iio: accel: adxl355: replace usleep_range() with fsleep() Message-ID: References: <20260510050820.27748-1-sozdayvek@gmail.com> Precedence: bulk X-Mailing-List: linux-iio@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: <20260510050820.27748-1-sozdayvek@gmail.com> Organization: Intel Finland Oy - BIC 0357606-4 - c/o Alberga Business Park, 6 krs, Bertel Jungin Aukio 5, 02600 Espoo On Sun, May 10, 2026 at 10:08:20AM +0500, Stepan Ionichev wrote: > The "at least 5ms" wait after software reset has no specific upper > bound. Switch to fsleep() which is the kernel helper for plain > "about N microseconds" delays. > > No functional change. ... > /* Wait at least 5ms after software reset */ > - usleep_range(5000, 10000); > + fsleep(5000); Even better to use predefined multiplier: fsleep(5 * USEC_PER_MSEC); This gives a hint on the value units without even needing / reading the comment. -- With Best Regards, Andy Shevchenko