From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E8369C3A5A4 for ; Tue, 27 Aug 2019 18:32:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C0DF521883 for ; Tue, 27 Aug 2019 18:32:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1566930734; bh=KR1dloJvEf8PAMuU0DB8AHwUdRF837NGwIDbIYsEPbI=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=wDFClKJu5eip4/B+uyMVG4WpwShfbsV0p3TPDDQIGV6rYxTjm4BkouVvPYlunP0Yh vzZfVPcGtXWJOKmPk55/Yb2gorjSxXeHorHsaf3hxIZ51NPDRG3i3dVrlSNKVBVIXS tubX/M1l1EMme7DspFXWUs2BwLMs8NsV6yL9Jals= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730598AbfH0ScO (ORCPT ); Tue, 27 Aug 2019 14:32:14 -0400 Received: from heliosphere.sirena.org.uk ([172.104.155.198]:44536 "EHLO heliosphere.sirena.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727401AbfH0ScN (ORCPT ); Tue, 27 Aug 2019 14:32:13 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sirena.org.uk; s=20170815-heliosphere; h=In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=KR1dloJvEf8PAMuU0DB8AHwUdRF837NGwIDbIYsEPbI=; b=n6UUDDIFHWzFr+km8rGIu3scH 18/G/IkOhuUlUUWaRWI3jvO2n0Na0prDvZwajHqG9L2Elf+vSJp3UFDXhulSJIlhGXNFAvSgPc5aS zWO6ttcEnaa9okNHQqgBbkjDN0WWtM5oRKl6k0nDgyJvubr4GWRLaXDOial+y7xlghVDo=; Received: from 92.41.142.151.threembb.co.uk ([92.41.142.151] helo=fitzroy.sirena.org.uk) by heliosphere.sirena.org.uk with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1i2gGI-0000vz-GW; Tue, 27 Aug 2019 18:32:11 +0000 Received: by fitzroy.sirena.org.uk (Postfix, from userid 1000) id 439CED02CE6; Tue, 27 Aug 2019 19:31:54 +0100 (BST) Date: Tue, 27 Aug 2019 19:31:54 +0100 From: Mark Brown To: Vladimir Oltean Cc: linux-spi@vger.kernel.org, lkml , devicetree@vger.kernel.org, netdev , Rob Herring , Shawn Guo Subject: Re: [PATCH v2 5/5] ARM: dts: ls1021a-tsn: Use the DSPI controller in poll mode Message-ID: <20190827183154.GI23391@sirena.co.uk> References: <20190822211514.19288-1-olteanv@gmail.com> <20190822211514.19288-6-olteanv@gmail.com> <20190827180502.GF23391@sirena.co.uk> <20190827181318.GG23391@sirena.co.uk> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="gIORF5nGxIt+AP0s" Content-Disposition: inline In-Reply-To: X-Cookie: Don't SANFORIZE me!! User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --gIORF5nGxIt+AP0s Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Tue, Aug 27, 2019 at 09:16:39PM +0300, Vladimir Oltean wrote: > I can't seem to find any situation where it performs worse. Hence my > question on whether it's a better idea to condition this behavior on a > Kconfig option rather than a DT blob which may or may not be in sync. If it's unconditionally worse then it shouldn't even be a Kconfig option, just make the driver just never use the interrupt. --gIORF5nGxIt+AP0s Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAl1ldxkACgkQJNaLcl1U h9ARswf6A+M4PLUEgqtq4LS9LU7LpH/qbPKXT1byjJNJOzZJhiaNOdOfiQUXTpHH bipXfDjoA+Bq5QZyp0VX6qO8heo7sSdZzmNKx3wnydsKCGck5e3Ste7Yru5PY2sn r9pdyH1nFG5BSfaxxx4fDzBArcNXJM0fo2lVxpwk4tNuviBMKON55SrJ8maV1Krm 1Tut3wZxZC7UtS5GQE6TDTGpSRSKjEMLNodsZYLRcbh+FimChm5jEHHegB4hLv4b o9+IhSlpp+NHkSCoYN2kQmEEi03g95O4mbHSqonF3mpmM4qXQuGsM8brK+UoRgpe koyv59Xv//Wv79iCrMHH3tiK8FCRKg== =OKu8 -----END PGP SIGNATURE----- --gIORF5nGxIt+AP0s--