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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9F13AC433F5 for ; Tue, 8 Mar 2022 08:46:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241721AbiCHIrl (ORCPT ); Tue, 8 Mar 2022 03:47:41 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55558 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1345091AbiCHIrf (ORCPT ); Tue, 8 Mar 2022 03:47:35 -0500 Received: from mail.zeus03.de (www.zeus03.de [194.117.254.33]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0B2DC3FDAB for ; Tue, 8 Mar 2022 00:46:38 -0800 (PST) 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=U2Ezfl4Dj+EY8O/VynpCfVQ0kSYG 5LvuTVFICTszNJ4=; b=12Qv5+6OrJCG/dtKKpFd4UjqLWGZFABeWALj+Inf3XnO Es2LY1S7sG8mWhMzR11DB7QfdqR50mTye55rIzJlrqYZUjI/oB0/ZitG5RBxtCyU QLfFqBqXR6eACXO4MhniclUYy8O8H55bctY1aQ6WkliHOpQFp7yO3HEYGjvDAO4= Received: (qmail 2319030 invoked from network); 8 Mar 2022 09:46:36 +0100 Received: by mail.zeus03.de with ESMTPSA (TLS_AES_256_GCM_SHA384 encrypted, authenticated); 8 Mar 2022 09:46:36 +0100 X-UD-Smtp-Session: l3s3148p1@wEbHBLHZyqofEkvD Date: Tue, 8 Mar 2022 09:46:35 +0100 From: Wolfram Sang To: Geert Uytterhoeven Cc: Krzysztof Kozlowski , Linux Kernel Mailing List , Linux-Renesas , Duc Nguyen , Sergey Shtylyov , "Lad, Prabhakar" , Andrew Gabbasov Subject: Re: [RFC PATCH] memory: renesas-rpc-if: Correct QSPI data transfer in Manual mode Message-ID: Mail-Followup-To: Wolfram Sang , Geert Uytterhoeven , Krzysztof Kozlowski , Linux Kernel Mailing List , Linux-Renesas , Duc Nguyen , Sergey Shtylyov , "Lad, Prabhakar" , Andrew Gabbasov References: <20210922091007.5516-1-wsa+renesas@sang-engineering.com> <163282533892.34438.1878675609177525004.b4-ty@canonical.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="mqi2ylIOFRq8KDIZ" Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --mqi2ylIOFRq8KDIZ Content-Type: text/plain; charset=us-ascii Content-Disposition: inline > This is not QSPI, but HF. Ah, okay. > Building a new firmware for R-Car H3 ES1.0 with HF unlocked will be > complicated, as it is not supported by upstream TF-A. You mean QSPI here? > Note that HF also fails to probe on R-Car M3-W and M3-N ES1.0. Do you have this patch form Andrew in your tree: [PATCH] memory: renesas-rpc-if: Avoid unaligned bus access for HyperFlash Even if so, I don't think that reverting patches is the solution. As you could see from Andrew's patch, HyperFlash was also broken before and it just may need more fixes for Gen3 perhaps? IIRC my patches didn't break Andrew's tests but maybe we should ask him again. Maybe Andrew has also some more ideas, I only did QSPI. --mqi2ylIOFRq8KDIZ Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEOZGx6rniZ1Gk92RdFA3kzBSgKbYFAmInF+sACgkQFA3kzBSg Kbb3iw/9F4+PYhxTI8YLJfM4F2MBGeOh6KaOcky2kckejSdsgOG4oQdUOrdWBvES kSD1Qd9wydxflG51CfaV6AFZ0KgOpiK0spPwBxwfGHseY5uUYYOjIImf9QhUz5uQ Q/1VKdMq8NYUGPRk0f5xjrvGhNOg5lO6jnjYTpSNrhdMixqm41ri0ZqlrP0gMLED EkbSJwr2N2mt7ZWW93UVglFKpcJohCAoC3w4YQrV8YraYp2LzXmkN21s12NVReuw BVCzRs7nimOwJY71DXqNgdwxvT2LHzJfYMypnbgvNhJ3ARGYgcVWDd8WI2u3STFu wh/UNojxBn8rYNrnj7H8oMHM/a1X9vFAkEXI6mQMzn31DzFJ4v4qEwLtONGTdZ5u aTBfA2G2iEOVyTwiKIO5A1C8RobCsL2E0X600UBcDhEEeKc4/p6e/tpkGjzAa4yK iH7J4qwdipmpnY+e8BPxBtET9DzdJM1GsYuiFy3oahCuzoRRbPk7NPqzLwHY08rA hH58By3fNGTtfuTYKH0lZjgsHEfXqfkshFSH24uzlcPoBjBZqqrt+9yQqgIFmKr9 oi9VuJqGXgZVVbCA8bWVaJ/D2WevRk2rEqL5WiWKcSxEV7TMzza8bU8f7TSgO+Wf Kh8zE3v5Nu9dHYyXBLx15LDIs+4RW6ThnkLFK/9ebQ5eY2//cgg= =FH/T -----END PGP SIGNATURE----- --mqi2ylIOFRq8KDIZ--