From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mark Brown Subject: Re: [PATCH 2/2] spi: pxa2xx: use a module softdep for dw_dmac Date: Wed, 10 Apr 2019 13:56:12 +0100 Message-ID: <20190410125612.GR6106@sirena.org.uk> References: <1554900696-28858-1-git-send-email-f.suligoi@asem.it> <1554900696-28858-2-git-send-email-f.suligoi@asem.it> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="PPxI8paQBs33t8dK" Cc: Daniel Mack , Haojian Zhuang , Robert Jarzmik , linux-arm-kernel@lists.infradead.org, linux-spi@vger.kernel.org, linux-kernel@vger.kernel.org To: Flavio Suligoi Return-path: Content-Disposition: inline In-Reply-To: <1554900696-28858-2-git-send-email-f.suligoi@asem.it> Sender: linux-kernel-owner@vger.kernel.org List-Id: linux-spi.vger.kernel.org --PPxI8paQBs33t8dK Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Wed, Apr 10, 2019 at 02:51:36PM +0200, Flavio Suligoi wrote: > With dw_dmac, sometimes the request of a DMA channel fails because > the DMA driver is not ready, so an explicit dependency request > is necessary. While this isn't going to hurt anything and might actually help so it's fine doesn't this also suggest that there's an issue with deferred probe going on as well? --PPxI8paQBs33t8dK Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAlyt5+sACgkQJNaLcl1U h9BN8Qf+M8pv+qvn+ML2aGV0KTB3Eifgjqx1GoYtmxwT6D/Qph4QE8YjFoBeIBBQ gS73KJSjgLkRmqDTe7WHqxcqDAJIkry4MeeSPAAzfxInkaMih10aGTCNRsLZu7YT 1rysutG7WmictAhA2oxCrDOOayQgUM8dTTCpEsBAXyIGcavHVnjLgNJp4DEHSsZC HaIOgTnzdbFdXYv/nBDp32uhVsYEmCiYJ+PEx6RY5HKpHauu+1S3qsZ5ccWuNKxp I9jdvvjxTHA/IfR9fBZQZnj5uW8qxN7QHRAdEkV0P55KUrISQlHMdKqTT6nWXg2n 1HdFhz+hDYAVg3xb5DhsHPUIR+1Wog== =LXu7 -----END PGP SIGNATURE----- --PPxI8paQBs33t8dK-- 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=-2.5 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,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 B543BC10F11 for ; 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Wed, 10 Apr 2019 13:56:12 +0100 (BST) Date: Wed, 10 Apr 2019 13:56:12 +0100 From: Mark Brown To: Flavio Suligoi Subject: Re: [PATCH 2/2] spi: pxa2xx: use a module softdep for dw_dmac Message-ID: <20190410125612.GR6106@sirena.org.uk> References: <1554900696-28858-1-git-send-email-f.suligoi@asem.it> <1554900696-28858-2-git-send-email-f.suligoi@asem.it> MIME-Version: 1.0 In-Reply-To: <1554900696-28858-2-git-send-email-f.suligoi@asem.it> X-Cookie: teamwork, n.: User-Agent: Mutt/1.10.1 (2018-07-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190410_055620_911411_18BE0293 X-CRM114-Status: UNSURE ( 9.49 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-kernel@vger.kernel.org, Haojian Zhuang , linux-spi@vger.kernel.org, Daniel Mack , Robert Jarzmik , linux-arm-kernel@lists.infradead.org Content-Type: multipart/mixed; boundary="===============6983027185799792470==" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org --===============6983027185799792470== Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="PPxI8paQBs33t8dK" Content-Disposition: inline --PPxI8paQBs33t8dK Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Wed, Apr 10, 2019 at 02:51:36PM +0200, Flavio Suligoi wrote: > With dw_dmac, sometimes the request of a DMA channel fails because > the DMA driver is not ready, so an explicit dependency request > is necessary. While this isn't going to hurt anything and might actually help so it's fine doesn't this also suggest that there's an issue with deferred probe going on as well? --PPxI8paQBs33t8dK Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAlyt5+sACgkQJNaLcl1U h9BN8Qf+M8pv+qvn+ML2aGV0KTB3Eifgjqx1GoYtmxwT6D/Qph4QE8YjFoBeIBBQ gS73KJSjgLkRmqDTe7WHqxcqDAJIkry4MeeSPAAzfxInkaMih10aGTCNRsLZu7YT 1rysutG7WmictAhA2oxCrDOOayQgUM8dTTCpEsBAXyIGcavHVnjLgNJp4DEHSsZC HaIOgTnzdbFdXYv/nBDp32uhVsYEmCiYJ+PEx6RY5HKpHauu+1S3qsZ5ccWuNKxp I9jdvvjxTHA/IfR9fBZQZnj5uW8qxN7QHRAdEkV0P55KUrISQlHMdKqTT6nWXg2n 1HdFhz+hDYAVg3xb5DhsHPUIR+1Wog== =LXu7 -----END PGP SIGNATURE----- --PPxI8paQBs33t8dK-- --===============6983027185799792470== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel --===============6983027185799792470==--