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=-5.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED,USER_AGENT_MUTT autolearn=ham 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 061A7C7112A for ; Sun, 14 Oct 2018 22:33:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C60F220835 for ; Sun, 14 Oct 2018 22:33:33 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C60F220835 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=the-dreams.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726541AbeJOGQB (ORCPT ); Mon, 15 Oct 2018 02:16:01 -0400 Received: from sauhun.de ([88.99.104.3]:38464 "EHLO pokefinder.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726262AbeJOGQB (ORCPT ); Mon, 15 Oct 2018 02:16:01 -0400 Received: from localhost (p54B33E30.dip0.t-ipconnect.de [84.179.62.48]) by pokefinder.org (Postfix) with ESMTPSA id 4653B2C786F; Mon, 15 Oct 2018 00:33:30 +0200 (CEST) Date: Mon, 15 Oct 2018 00:33:29 +0200 From: Wolfram Sang To: Masahiro Yamada Cc: linux-mmc@vger.kernel.org, Ulf Hansson , Wolfram Sang , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 1/2] mmc: uniphier-sd: fix DMA disabling Message-ID: <20181014223329.GF3260@kunai> References: <1539356258-12374-1-git-send-email-yamada.masahiro@socionext.com> <1539356258-12374-2-git-send-email-yamada.masahiro@socionext.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="udcq9yAoWb9A4FsZ" Content-Disposition: inline In-Reply-To: <1539356258-12374-2-git-send-email-yamada.masahiro@socionext.com> 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 --udcq9yAoWb9A4FsZ Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Oct 12, 2018 at 11:57:37PM +0900, Masahiro Yamada wrote: > Once DMA is enabled, it is not possible to disable it because > uniphier_sd_dma_endisable() always sets the DMA_ENABLE_DMASDRW bit > regardless of the argument 'enable'. It should disable DMA when > 'enable' is false. >=20 > Signed-off-by: Masahiro Yamada Acked-by: Wolfram Sang --udcq9yAoWb9A4FsZ Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEOZGx6rniZ1Gk92RdFA3kzBSgKbYFAlvDxDkACgkQFA3kzBSg KbbF8Q//egWXiLpPEMi7CydMxGxXSSOv4kYYnHrWPe+FW2b1LG4nTU36VQibTrub Hk+U7gng3Xu2+MBTpvu6I1WrJ/thmdazuqa8RAqxfpHA318suhBibpR8EUfdEea9 M8Z+l1povsbHqVAkXsTlshySgxzlfjbih/NCTmBzq5/ZbIDC24buacZIsl3YQMDW c05MLNRXJbHbKKJ1mOYJQfWV7aQCXwIlX2NQBN76w8xD1Y4MsMH64UD+asQNKC1h G0KdvMIDh0DZ7kDB90ZJgrukVZ1cfH5NaYkQABbWhUop9QAb2Ua5sxYaqZhOT3QT 6HbBidN1n+CvxGlKJIFRmwE5z7bLJnL+ZpIRGhjMDUoiAO+5zNRGV26j6tshsz9C KQ5r8i8fQYDPdpWZW2QBK6G3r3CnQLyF+Qid6I0RlvVHUdrQqZpRrfzFE9PP+9Jc PTOo/0N3e+F2nk5qinW5tSTV6UIcoXqZGfFAcHtGuInDTevKk1aAIJZcrsYJfTuG GOHNshlRNyRr0KlkPEfa68PcVdmehPzj0M3nkPaJm+Qw9NTIeuv4DyTtrV7IBL3R Kbon9m2PPm+xYCM3ALaNYePbCRRsP40xnnSTUxXYSbTAvgVe/uQN2oIYl4eWa1Ep gA/wqJq88mZPU+hZAy0XtRG66LYWPSLULzRyau++7LfofWmiAQQ= =zpu+ -----END PGP SIGNATURE----- --udcq9yAoWb9A4FsZ--