From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752613AbeEQQhZ (ORCPT ); Thu, 17 May 2018 12:37:25 -0400 Received: from heliosphere.sirena.org.uk ([172.104.155.198]:45802 "EHLO heliosphere.sirena.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752186AbeEQQhX (ORCPT ); Thu, 17 May 2018 12:37:23 -0400 Date: Thu, 17 May 2018 16:09:12 +0900 From: Mark Brown To: Sergey Suloev Cc: Maxime Ripard , Chen-Yu Tsai , linux-spi@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2 3/6] spi: sun6i: restrict transfer length in PIO-mode Message-ID: <20180517070912.GR20254@sirena.org.uk> References: <20180330125047.13936-1-ssuloev@orpaltech.com> <20180330125047.13936-4-ssuloev@orpaltech.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="MRBOAUz+O/XNC2GI" Content-Disposition: inline In-Reply-To: <20180330125047.13936-4-ssuloev@orpaltech.com> X-Cookie: Are you a turtle? User-Agent: Mutt/1.9.5 (2018-04-13) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --MRBOAUz+O/XNC2GI Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Fri, Mar 30, 2018 at 03:50:44PM +0300, Sergey Suloev wrote: > There is no need to handle 3/4 empty/full interrupts as > the maximum supported transfer length in PIO mode is > 128 bytes for sun6i- and 64 bytes for sun8i-family SoCs. Surely the whole point of the 3/4 full interrupts is to allow the FIFO to be refilled and enable longer transfers? --MRBOAUz+O/XNC2GI Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAlr9KpcACgkQJNaLcl1U h9BZ0wf+JI/HcuJMj+LF7KzjOoqtzCRJXO9FYEHZkH0CnNmqn+gkuQ8DQLUCwfLA 5HOAJRNGNxMcVimYvBbHcGFBHQyDV7H+off76GRudzi2SbNON8Xx+18X7zd9fOQ+ ThPZLID67VWfC144rQD3pWHHhF3tiS9p/kARvV4DhoxhUwrBAi5VbKlM7LCAJMv2 gRkX/UX5LQKpouF+sQI1005Cc0PSCOF/sEfmvQ+zly/N+1jftROzxOnbDBvQLKZM IKoLThJuyGNUhOeZ+2IlyAydsaFGrX0PBMIc2/1YAiuG0vrmyWlpP+tzs4yOtT4n cvuieMNyLRwpLAkCBXwz13RbVQJPRw== =KOpR -----END PGP SIGNATURE----- --MRBOAUz+O/XNC2GI--