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=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_MUTT autolearn=unavailable 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 CD93EC31E52 for ; Sat, 15 Jun 2019 20:05:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id ACAAD21852 for ; Sat, 15 Jun 2019 20:05:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726772AbfFOUFL (ORCPT ); Sat, 15 Jun 2019 16:05:11 -0400 Received: from atrey.karlin.mff.cuni.cz ([195.113.26.193]:59707 "EHLO atrey.karlin.mff.cuni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725270AbfFOUFL (ORCPT ); Sat, 15 Jun 2019 16:05:11 -0400 Received: by atrey.karlin.mff.cuni.cz (Postfix, from userid 512) id 9933B80211; Sat, 15 Jun 2019 22:04:54 +0200 (CEST) Date: Sat, 15 Jun 2019 22:05:03 +0200 From: Pavel Machek To: Greg Kroah-Hartman Cc: linux-kernel@vger.kernel.org, stable@vger.kernel.org, Andrey Smirnov , "Angus Ainslie (Purism)" , Chris Healy , Lucas Stach , Fabio Estevam , Shawn Guo , linux-arm-kernel@lists.infradead.org, Sasha Levin Subject: Re: [PATCH 4.19 080/118] ARM: dts: imx51: Specify IMX5_CLK_IPG as "ahb" clock to SDMA Message-ID: <20190615200503.GA31108@amd> References: <20190613075643.642092651@linuxfoundation.org> <20190613075648.475709941@linuxfoundation.org> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="ReaqsoxgOBHFXBhH" Content-Disposition: inline In-Reply-To: <20190613075648.475709941@linuxfoundation.org> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --ReaqsoxgOBHFXBhH Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi! > [ Upstream commit 918bbde8085ae147a43dcb491953e0dd8f3e9d6a ] >=20 > Since 25aaa75df1e6 SDMA driver uses clock rates of "ipg" and "ahb" > clock to determine if it needs to configure the IP block as operating > at 1:1 or 1:2 clock ratio (ACR bit in SDMAARM_CONFIG). Specifying both > clocks as IMX5_CLK_SDMA results in driver incorrectly thinking that > ratio is 1:1 which results in broken SDMA funtionality. Fix the code > to specify IMX5_CLK_AHB as "ahb" clock for SDMA, to avoid detecting > incorrect clock ratio. I don't see 25aaa75df1e6 commit in stable-4.19.y branch. Is that intentiona= l? Best regards, Pavel --=20 (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blo= g.html --ReaqsoxgOBHFXBhH Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iEYEARECAAYFAl0FT28ACgkQMOfwapXb+vL6dgCfYW2JjV1nayaQSK9FOWnkOf8B ZOcAnRoMrSeSUpv79gq3VOQGJA5FSa8m =hmem -----END PGP SIGNATURE----- --ReaqsoxgOBHFXBhH--