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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 9BFC7CD6E77 for ; Wed, 11 Oct 2023 14:49:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Content-Type: List-Subscribe:List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id: In-Reply-To:MIME-Version:References:Message-ID:Subject:Cc:To:From:Date: Reply-To:Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date :Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=VnCiFWyFULNnFEbCY5hqt1rgnNUrydjItz9BQugSMoI=; b=4OoCBYRxrXpkd8tSEijEFwiWcL jedtXMcTrqua0IKbgIlMyaXbuBuVhaOz19cvU3dYVCwyUpSEKvYK/el+qlU0rFRqprXc0OJzl5rii hBv0kiDM3H9edv0BhcIjuKzkN9kzbvqpuojPdoTx6ZETux+xeEQHeCseoAVgdvVuJyjTq55pLlgFv pDaWZAK5SZa2a6lodhYw4YIh8exwejgu3sCPDHJ0bFhlb4q2H6qRAqOohrsRWpgvqsCnGcxVwExP1 NxAmQWUsGl+K+Pd7D/SP78OjPIRmD3K5G78rb+au/ZTCr8i8ZXIdgYerBOh7SmTIKI00xA4g+WVWR VBDCkNqQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qqaWF-00G7wC-0R; Wed, 11 Oct 2023 14:49:03 +0000 Received: from dfw.source.kernel.org ([139.178.84.217]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qqaWB-00G7vY-1s for linux-arm-kernel@lists.infradead.org; Wed, 11 Oct 2023 14:49:00 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id E489E60FC4; Wed, 11 Oct 2023 14:48:58 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 37C0CC433C9; Wed, 11 Oct 2023 14:48:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1697035738; bh=UB4+HeZ2ctHuAdDSStXTcsIo1PGN3+WxqWufzfEOOhE=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=ibM2p3PdtWTWtKrJZ018Ia8+4VWj6mgBmyhGh25FqtzOEm2W+Vb3ozfRQ1mP99o+L U736adtuq5RXEUXxW4u7+2dt0gs63s4WUoXRmDkhmerLTVD8HX9dK/u4JUjAfQoWkm wNP9q5wKEi5FWdcy/tZumD74v1PmyFdL8/0aZB0CIzfo449gl3qgC63q9yUSsBphwK +dL/ssvbjKAdWaJ2h+WPvKVZ+Hl9Fr9atJDonMBb+xnSvV1dlZNUXnoUVWzi1AxfCV WDN+ef2e8oewDZXPUD0CdMRvhgbONrBJJ9glMnrNTiU2BQhw8nO4VqlXUerhBX3IyF wcxkZ1QpNSsnw== Date: Wed, 11 Oct 2023 16:48:50 +0200 From: Wolfram Sang To: Marek Szyprowski Cc: Gregor Riepl , linux-i2c@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Kamal Dasu , Broadcom internal kernel review list , Andi Shyti , Florian Fainelli Subject: Re: [PATCH] i2c: brcmstb: Add support for atomic transfers Message-ID: Mail-Followup-To: Wolfram Sang , Marek Szyprowski , Gregor Riepl , linux-i2c@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Kamal Dasu , Broadcom internal kernel review list , Andi Shyti , Florian Fainelli References: <20231006144117.4079796-1-m.szyprowski@samsung.com> MIME-Version: 1.0 In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231011_074859_739399_3453BD3E X-CRM114-Status: UNSURE ( 8.10 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============2067707293331204091==" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org --===============2067707293331204091== Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="AVdLZ6OvLmwsPHz2" Content-Disposition: inline --AVdLZ6OvLmwsPHz2 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable > I guess that i2c core takes care of NOT multiplexing atomic and standard= =20 > i2c transfers. Atomic transfers are only used iff the system is in a certain state, check i2c_in_atomic_xfer_mode(). Then and only then, transfers are atomic. All of them. Neither bus drivers nor clients can choose them. --AVdLZ6OvLmwsPHz2 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEOZGx6rniZ1Gk92RdFA3kzBSgKbYFAmUmtc4ACgkQFA3kzBSg KbZLRA/9GJeh1v2sMju/XX7WqJe3CjrSWTiq2qlGJ892PoHA8i+mAwSzCrMBE2FV +AxFcb2RGy0ON33TeKoeyfDe4iYcRTLqqElBvVd5JFq+nt3SdAH/Pz2gBTa7KYCr g7xL1e86yLPeVil0lVuuELZbbt1H1UpcCGZqy3G1p24GGekd0Y0CEECfaMbf6TPd KKILC+oo6xV2RLranqKgl3xijoWNLLRmrXVj+wgXk3o+JknlwjDfQUUvJiZzrH5M u145XHpmgEa3LkO5kKy+Xj/kBumrb5gzbKiERy2ANfBBkGi1GaV6nIYuwJJ5IOeP mPlR0N6ihhmiITPcumroZh/bDa5FinPYTsrB3im6ob40CbLN6x+Os2y1PazKusiG q3MZQjhRFnSA2ZkLhn5Xsni5jwz095XJaD7X3tdxHTZ9as6aEQ4UPQHVVGLqQZQM HlylRMsvToavOixirPfbQhgvbZz1J1JuVtHQ5vtXFWeDYqo9dr2xlFTDN+L5Tsmo XvENkvm3d5GxVDltHA+1MMYw/4fTp1ir4VLQPJHQJrpVVDD9jcL17+cYPDKFhANU lJLnD3zHCA78vxIohGG7j27vlRF0OFYqKuLTI9otcOpNXaZS6hnG4pZA5sdRlfPc N0ighPzITu2F3eSpp3jesGU8pNkV3ltyN6auYkdeIp9RHXJ4PM4= =1CQ5 -----END PGP SIGNATURE----- --AVdLZ6OvLmwsPHz2-- --===============2067707293331204091== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel --===============2067707293331204091==--