From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.4]) (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 7593F4E80B9; Wed, 16 Sep 2026 11:03:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.4 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789556636; cv=none; b=CVK/j20ItgO+OMFxQvQ0SBrN+5aRKpMCx49N3QOYokcJ2fgK1gWJs30pzoNH4vDixFvCVlclaN+FyD37T3wg7ZX4L40SKnfMR1r4La/a6UOVs33/aI0ar26nzbZVVS+u0iS8pRa4wCaAyGOvxXraDK/O0YyeW5Znf61yFsKpK2Y= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789556636; c=relaxed/simple; bh=IWnV54RNLS5F9xKNa2KWOePuLIifnOT2PSpdpWwTw/M=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=YFGfatEuqjvsru3bZp7JsbVDdtMfNUIaDDTfr/zCv0i2jO4PCtoFDwMzpVhU/Xr0Qx/zn+QxIpSqFNqloHXc1hUsYd4lHlbu70538T++mfxbmBH+5j0IULgTJHuhDFVe0Vj/ckdr0ZEWmnJLbHc8OoD9PPIAaNbd/hyoIZpS9Do= 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=YyJ2mEb6; arc=none smtp.client-ip=192.198.163.4 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="YyJ2mEb6" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1789556627; x=1821092627; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=IWnV54RNLS5F9xKNa2KWOePuLIifnOT2PSpdpWwTw/M=; b=YyJ2mEb6K47iqNpE1kTMjmXu+4fzrfDHKU8X9DDKt3PAbnQsUfe19jia bbNCGibAeItZevTqxylTcLxQhDeXDyaSQuLMVg72moBkCC9YcvHGADnjV 5nlT69z9NjLXLa+20HMquEVlNDP5lKB0gzWvVnWpmYbfYOYCzuuCfyn2t ERVKzlx1iFZaNlJPLZFlN0jiSh1zcsdU+1iSHD19MXoomc75yc4oADJN3 J+S8ZrqfC6c3kuRtcC39In1cL/KsVWfEIR6VRj3CI7lX4wueggmVw3Mpi KRGj6N1wT7nNG8YCyfKC3TUuth9vAH8hI+Z4xG3tWpjspsAaVkTh8duyb w==; X-CSE-ConnectionGUID: RolIMVEpSJ6BbrZJ0IpVFw== X-CSE-MsgGUID: zMZ6eto1Ro2VDb/+9JuKvg== X-IronPort-AV: E=McAfee;i="6800,10657,11905"; a="438858" X-IronPort-AV: E=Sophos;i="6.27,103,1787036400"; d="scan'208";a="438858" Received: from fmviesa011.fm.intel.com ([10.60.135.151]) by fmvoesa114.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Sep 2026 04:03:43 -0700 X-CSE-ConnectionGUID: sp8bFXe2Qju9twLMm3wY3g== X-CSE-MsgGUID: OMGnJVYkR/ijCWfmFIVi5A== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.27,103,1787036400"; d="scan'208";a="1531519" Received: from ettammin-mobl2.ger.corp.intel.com (HELO localhost) ([10.245.244.145]) by smtpauth.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Sep 2026 04:03:41 -0700 Date: Wed, 16 Sep 2026 14:03:38 +0300 From: Andy Shevchenko To: Omer PALA 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_upd161704: replace udelay with usleep_range Message-ID: References: <20260916093928.52057-1-palaomer100@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@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: <20260916093928.52057-1-palaomer100@gmail.com> Organization: Intel Finland Oy - BIC 0357606-4 - c/o Alberga Business Park, 6 krs, Bertel Jungin Aukio 5, 02600 Espoo On Wed, Sep 16, 2026 at 12:39:28PM +0300, Omer PALA wrote: > Replace udelay() calls with usleep_range() > to avoid busy-waiting and allow the > scheduler to sleep during delays. First of all, too condensed commit message. We have as twice room on each line. Second, do you understand the difference on what code is doing before and after your change? ... Please, instead of posting patches, read first, check email archives, understand the code... -- With Best Regards, Andy Shevchenko