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=-8.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 83215C4332D for ; Tue, 5 Jan 2021 15:36:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4E07A22B45 for ; Tue, 5 Jan 2021 15:36:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725868AbhAEPgH (ORCPT ); Tue, 5 Jan 2021 10:36:07 -0500 Received: from www.zeus03.de ([194.117.254.33]:52872 "EHLO mail.zeus03.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725917AbhAEPgG (ORCPT ); Tue, 5 Jan 2021 10:36:06 -0500 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=xAkdORAnxEgxcSP3OlFuhDty4uh1 H0Ew85hsHXyrIqo=; b=OgCketEGlrpGhsMejjUmP5c0sXR/T2B44Nf1Ihpf96yV nm+FBng4UjqzZf8T+PrZVt0fEh9UD5E8bLLy/dOmml75h7CYEIn8bIumJA7iiPFj S2n8blH++I1ykJX/eJLOVz8VBV7OY7O1XvWJ1mPn8EQqyGf/ccsuGHZC4zNKLko= Received: (qmail 107696 invoked from network); 5 Jan 2021 16:35:24 +0100 Received: by mail.zeus03.de with ESMTPSA (TLS_AES_256_GCM_SHA384 encrypted, authenticated); 5 Jan 2021 16:35:24 +0100 X-UD-Smtp-Session: l3s3148p1@1w+H9Ci4GuUgAwDPXyX1AEdA8SGgn5QT Date: Tue, 5 Jan 2021 16:35:24 +0100 From: Wolfram Sang To: linux-i2c@vger.kernel.org Cc: linux-renesas-soc@vger.kernel.org, Kuninori Morimoto , Yoshihiro Shimoda Subject: Re: [PATCH 1/4] i2c: rcar: faster irq code to minimize HW race condition Message-ID: <20210105153524.GC1842@ninjato> References: <20201223172154.34462-1-wsa+renesas@sang-engineering.com> <20201223172154.34462-2-wsa+renesas@sang-engineering.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="CblX+4bnyfN0pR09" Content-Disposition: inline In-Reply-To: <20201223172154.34462-2-wsa+renesas@sang-engineering.com> Precedence: bulk List-ID: X-Mailing-List: linux-i2c@vger.kernel.org --CblX+4bnyfN0pR09 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Dec 23, 2020 at 06:21:51PM +0100, Wolfram Sang wrote: > To avoid the HW race condition on R-Car Gen2 and earlier, we need to > write to ICMCR as soon as possible in the interrupt handler. We can > improve this by writing a static value instead of masking out bits. >=20 > Signed-off-by: Wolfram Sang Applied to for-next, thanks! --CblX+4bnyfN0pR09 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEOZGx6rniZ1Gk92RdFA3kzBSgKbYFAl/0hzsACgkQFA3kzBSg KbaHUg//dJVqchy7kyRUZ0BxB89ZMluWMRx2O2zdMTscAuKnC/bAfQf1CI8uDKSL eaSfTCAVyvbeATd0FmdGOvKPNB0A/5MVLmrSn9gjFVHxSObXANdZkx8tfxP9bdBJ SF8r2AKGmgMG7qW6LDXm5K3vmyfhJZwXWMb5huU89VpFONkSB6/DJwT8r0N5lNly GAZQROwMa4nQps3pnlpkP0SKO8L+6/MUnLF2Q6GMzK+bgXm+vWOOAavSSw1WRfRl S+xZIYLG6c5UoO/QLC/QdZoTbZ+EkN4sHnUHobKHLo4FaE0IuATrtIR7G1ub2aFX ARwkLLHmsPEYQtQN9va0rTi0iEV8amSNQetkurWTqAUjhwIeo0F5xW4TZUOvNXi7 pi94AQ8n7RMpthWR/gNbnl36g7bFx+faiH5KaT8iMl2IsJcrB9yz5S5lBg3CQjia U1QIOGMnrJvnS/TItJH1DrcHZren4kl9CxvqvBMspRnd41t2P5oLJOu/2KSHVbsw dWWot4oCnyvZWjsv5vgXnpx/+D7O73exi/r3klwp9Y2KIVAFaNEHq5duEZR97CQH /i423HtoUtyZdQOZIWBWdQs7o5fgGP8zyN6LXxWjNtlSrBORELXNogUXgbi6RiRU BpyDCi7jai9hmR8GBbSGW2EgwOLbcL++eKmzhNO8M0mkKVDAotM= =yq4M -----END PGP SIGNATURE----- --CblX+4bnyfN0pR09--