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=-3.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS 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 071A1C433EF for ; Fri, 24 Sep 2021 12:37:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D95BB61164 for ; Fri, 24 Sep 2021 12:37:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1343536AbhIXMin (ORCPT ); Fri, 24 Sep 2021 08:38:43 -0400 Received: from www.zeus03.de ([194.117.254.33]:50630 "EHLO mail.zeus03.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S245265AbhIXMim (ORCPT ); Fri, 24 Sep 2021 08:38:42 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=simple; d=sang-engineering.com; h= date:from:to:cc:subject:message-id:references:mime-version :content-type:in-reply-to; s=k1; bh=UtLoSjZtV/2lGEgwKxNrRZUajG+V u7zQzKKFLDDkatM=; b=X2gM015DULaFbhKvthpDpQ3XrSe27bmIEsKjxhf6+Xn3 A99cCp/ue/Q4SvKrbJyjuUvoXTQJDmI2zOUtWAnSx7Z621JltJxWqyQuv3Yho9L7 +nGDq6xDeFA9YkjVrDd1pFqyfVaEdv4dpSfN++hGrQtLzEmm4qvNjqWamOi0F8E= Received: (qmail 4024972 invoked from network); 24 Sep 2021 14:37:08 +0200 Received: by mail.zeus03.de with ESMTPSA (TLS_AES_256_GCM_SHA384 encrypted, authenticated); 24 Sep 2021 14:37:08 +0200 X-UD-Smtp-Session: l3s3148p1@035nAb3MZq8gAwDPXw1LAJ+FoAZ06vRo Date: Fri, 24 Sep 2021 14:37:07 +0200 From: Wolfram Sang To: Andrew Gabbasov Cc: 'Krzysztof Kozlowski' , linux-renesas-soc@vger.kernel.org, linux-kernel@vger.kernel.org, Sergei Shtylyov , Geert Uytterhoeven Subject: Re: [PATCH] memory: renesas-rpc-if: Avoid unaligned bus access for HyperFlash Message-ID: Mail-Followup-To: Wolfram Sang , Andrew Gabbasov , 'Krzysztof Kozlowski' , linux-renesas-soc@vger.kernel.org, linux-kernel@vger.kernel.org, Sergei Shtylyov , Geert Uytterhoeven References: <20210922184830.29147-1-andrew_gabbasov@mentor.com> <000001d7b140$91e0a180$b5a1e480$@mentor.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="j7Q9VpYJCTyd3NVu" Content-Disposition: inline In-Reply-To: <000001d7b140$91e0a180$b5a1e480$@mentor.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --j7Q9VpYJCTyd3NVu Content-Type: text/plain; charset=us-ascii Content-Disposition: inline > If I correctly understand, the underlying issue looks similar (improperly aligned > memory/register accesses), but the affected areas are different, even non-intersecting: > Wolfram fixes register access, affecting manual mode reads/writes, having problems > with QSPI devices, while my fix is related to external address space reads (mapped > memory access) with Hyperflash devices. Ack. --j7Q9VpYJCTyd3NVu Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEOZGx6rniZ1Gk92RdFA3kzBSgKbYFAmFNxnMACgkQFA3kzBSg KbbE4A/8CEW8crNHXZP8zL2GCwXHLLFRr0PeqRnVOLxC5CiOxNuJfF+/pRazZHyN 0ckvfxf5fRtA5oQOLNLkwvdKoEttkNn7CBB07ay6LyzaI7oSm+tVmXT9V8MzPblH QXNXk+OHPUz6bNJj2pgsOgLHeCAbV81KK65fFOoyAoky5sSDRE83MvgZRdLN7Shc Dn2BtAgrs6mW5MUvqMLDgWFlWgAAdRJKAb/jHDZnGQ8eyWS21kHPB47JYD5AjfbL DAY0fJevVRJXE6ZacAkQyysSIgrGLB/53Y5U66OId4AbmRhfeBAiFcbiXBkJIVBC gLirOT3x88jt0KWsuPiKG4HvxPSrDodZtHC2gA+tMZPM+QJrQFs8ZEczGwns4DHn d+q3afgyOAdMq4J666GhDks2HypwRYEiHrmHL0tPuw1IEMuQjd9ALcxxpyNhwJLT ZB8MR+eK79YPBp4QTXU1/O3Tl6wv014Wf/2gDMtM31nSh68CfPKRvY1pJ+V1HsC8 UPZK0KhDWUMz3jciglrdhTEQy4igQNjnKnbUIsagCGRzwLXJycWNh1Kl5moob5qa aA3LdVl2hFfjwwBLZ9Orp4Ky956BWKoHjCFZhqIMPEBA7QLuo28lLRsNqmJjvC8c h1MTAQm3FkC2AhadhW4Tuf3omzT4iL/rEAetgHKqvzEq3wXemoQ= =j5GU -----END PGP SIGNATURE----- --j7Q9VpYJCTyd3NVu--