From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail.zeus03.de (zeus03.de [194.117.254.33]) (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 C54852D8DAA for ; Wed, 30 Jul 2025 14:54:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=194.117.254.33 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753887256; cv=none; b=MG1F/sYKVqHvcMPLGXFk3Olf9toFC09UneNaMpnPM6pXPl/aIkel+z0+RbG87SRlKyjYda4s4rvf2eMnW5SURG/Z4yYoYqRLH70ZCy/XWv09pDhWntk06vQO1XKVyJEBdGpOOdCORZGbbji1QCyJAMDcw/ChJxzvZ/7SIM3fv7s= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753887256; c=relaxed/simple; bh=ie+RIG1rJYm4GmXC8JjeZKFDJPovwpXR3vjbC4sifHU=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=s1AxJgFOvdES2u5sftjG/Aro8KYtlTFyXvBeD7xH7jhzq7lsEW/LU4u4rAmozcbiwK4YMkckDqVOol8Yb3muuwfGWd/ISSNGZDWx4MwDoc36/yjr9g1zvjRs0DaXOC4aL6cH+6qyLKGkqM46tcynwxP2nM7zjjV3peVHYt8hIRc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=sang-engineering.com; spf=pass smtp.mailfrom=sang-engineering.com; dkim=pass (2048-bit key) header.d=sang-engineering.com header.i=@sang-engineering.com header.b=k3/IZMwH; arc=none smtp.client-ip=194.117.254.33 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=sang-engineering.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=sang-engineering.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=sang-engineering.com header.i=@sang-engineering.com header.b="k3/IZMwH" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= sang-engineering.com; h=date:from:to:cc:subject:message-id :references:mime-version:content-type:in-reply-to; s=k1; bh=ie+R IG1rJYm4GmXC8JjeZKFDJPovwpXR3vjbC4sifHU=; b=k3/IZMwHuOeVahgnAUu3 vKGJIsEkUiEf2hNu18PmR2tKdfNsrxv1TcfC/S69NHlxnqJvQo5If+rPkfAaloRJ 8172ZavzDWHQ0k4uKjZ8xIAV8wCem4OvcEtcSwqaKL2oUpfwDmYUQKaXb6M7noGE lTiDjcE1xynJGkZ31TNCfeUnyCZjIgtaFrZ4T7bKch6YzoT+Q0yYXDj4O7uAdyzj +spw4hAnmtm+POL/tA0fc08wRD2rwb/Yio59fyX+WbzLI9NHEenPQBb0vVAYx7zd Jvc7FbKdKjFzgJbHG5yibH4TS8OZIXd0J/ZLIq49LWD+RBuXMT1xUoWvzD9Zb5Cp FA== Received: (qmail 19156 invoked from network); 30 Jul 2025 16:54:09 +0200 Received: by mail.zeus03.de with UTF8SMTPSA (TLS_AES_256_GCM_SHA384 encrypted, authenticated); 30 Jul 2025 16:54:09 +0200 X-UD-Smtp-Session: l3s3148p1@M+RwsiY79lBtKPC7 Date: Wed, 30 Jul 2025 16:54:08 +0200 From: Wolfram Sang To: Geert Uytterhoeven Cc: linux-renesas-soc@vger.kernel.org, Tommaso Merciai , Frank Li , Alexandre Belloni , Kees Cook , "Gustavo A. R. Silva" , Philipp Zabel , Magnus Damm , linux-i3c@lists.infradead.org, linux-hardening@vger.kernel.org Subject: Re: [PATCH v5 4/4] i3c: master: Add basic driver for the Renesas I3C controller Message-ID: References: <20250724094146.6443-1-wsa+renesas@sang-engineering.com> <20250724094146.6443-5-wsa+renesas@sang-engineering.com> Precedence: bulk X-Mailing-List: linux-hardening@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: > Why not use readl() and writel() directly? > To make it easier to add debug prints during initial development? Yes. And ultimately, there is a patch in the works converting the driver to MMIO regmap to get rid of _all_ the helpers. I couldn't make this in time for the 6.17 mergewindow, though, because of... gory details.