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 AE177C433FE for ; Thu, 13 Oct 2022 12:01:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229484AbiJMMBQ (ORCPT ); Thu, 13 Oct 2022 08:01:16 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41630 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229722AbiJMMBP (ORCPT ); Thu, 13 Oct 2022 08:01:15 -0400 Received: from mail.zeus03.de (www.zeus03.de [194.117.254.33]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4191CD9965 for ; Thu, 13 Oct 2022 05:01:08 -0700 (PDT) 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=N7+eHjL6LFM+ESLvcFQjUaWfxnyv zQIZKKCKQXqmslg=; b=G50JIk7tZfJDMAo3k49+2fBwPAbvjLZsZFn5gBoz0DLN a5jP6qU7yyHVVd8KjAHQLpr6tq1ONz+iL7E26bji5Kencl0XadNU1/oPUDj6Mc09 vD9wPmHdoS7+A5SD8t6dChEEETtgy1htUY6Jf5dcIN53LlNmBPOMkFEboRcuCc0= Received: (qmail 1095071 invoked from network); 13 Oct 2022 14:01:04 +0200 Received: by mail.zeus03.de with ESMTPSA (TLS_AES_256_GCM_SHA384 encrypted, authenticated); 13 Oct 2022 14:01:04 +0200 X-UD-Smtp-Session: l3s3148p1@dM9+Q+nqG/EucrUX Date: Thu, 13 Oct 2022 14:01:03 +0200 From: Wolfram Sang To: Geert Uytterhoeven Cc: Krzysztof Kozlowski , Rob Herring , Sergei Shtylyov , linux-renesas-soc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Cong Dang , Hai Pham Subject: Re: [PATCH 1/2] memory: renesas-rpc-if: Clear HS bit during hardware initialization Message-ID: Mail-Followup-To: Wolfram Sang , Geert Uytterhoeven , Krzysztof Kozlowski , Rob Herring , Sergei Shtylyov , linux-renesas-soc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Cong Dang , Hai Pham References: <08d9fb10b3051decebf871267a6e2e7cb2d4faf9.1665583089.git.geert+renesas@glider.be> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="66w0jPitfrxKTN6+" Content-Disposition: inline In-Reply-To: <08d9fb10b3051decebf871267a6e2e7cb2d4faf9.1665583089.git.geert+renesas@glider.be> Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org --66w0jPitfrxKTN6+ Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Oct 12, 2022 at 04:01:51PM +0200, Geert Uytterhoeven wrote: > From: Cong Dang >=20 > According to the datasheet, HS bit should be specified to 1 when using > DMA transfer. As DMA transfer is not supported, it should be cleared to > 0. >=20 > Previously, the driver relied on the HS bit being cleared by prior > firmware but this is not always the case. >=20 > Fix this by ensuring the bit is cleared during hardware initialization. >=20 > Fixes: ca7d8b980b67f133 ("memory: add Renesas RPC-IF driver") > Signed-off-by: Cong Dang > Signed-off-by: Hai Pham > Signed-off-by: Geert Uytterhoeven Reviewed-by: Wolfram Sang --66w0jPitfrxKTN6+ Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEOZGx6rniZ1Gk92RdFA3kzBSgKbYFAmNH/f8ACgkQFA3kzBSg KbYkAg//XV7tD7sfp+dZnLRiest7WjeH/nUh7Us4MDiw8WSSb3kkgKNIeXufAAYo 3zm3Rp/bX7B/xPnImZosl26jcjWK18NP1rVezTzhKQENQ3K13uOOjDI8pU3c9tg1 jbU4WTYso/mjqe4vHLB2WpJsR6FCHjGs9tQ2ii4Ta7PpQBodhlQISB6RH6Vllrt/ 3d+cHL+EexdbVXhFKUDdgrGq11VanihCFOITVV1cwWi2blnybcugTlNNXchYOKQw VTmyCcwnSKVitHZmLmBEO0ftFnaV/TkmJ3NSjG6vI2QAw5yh9rG9rPC8rXFLLYCW xdJqRqC5uUOKYtEzpJaL5k4x7nfjm4i5OWJEhLRg7H7HvqTvEcH7+dil99lksE4Y sOeB/abONu+wdP6d6ac1rFWtyYNbyDWB802ALeqQ8/hsHPBp/+1CXq3B/sdpxfj0 KBDa9tEkqrQ5G6RG2gtQxTWaGRldPiu8ZapmW1nkDvuUh69+JE4G+CZCEFpXtGUX X1fdaqSLlQq3VXRME2/O6Bv3nsEvET6lf8dbA2mTSEL6sCHWDWw/pzgUkvjEHN3e xTJDpZzEciCB4q4w6gZS9P+rBEXJ8N3FxXjj+iguDlWLeAadLoVpubYtK+U3DX/H q6f1E/Jq65f9XKT9L1BaXgJxLze3je8MwN0KgE6E21IGr+kAoow= =UBIc -----END PGP SIGNATURE----- --66w0jPitfrxKTN6+--