From patchwork Sat Jan 9 12:43:12 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wolfram Sang X-Patchwork-Id: 360040 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=-16.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT 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 7E010C4332B for ; Sat, 9 Jan 2021 12:45:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 51D0C23A03 for ; Sat, 9 Jan 2021 12:45:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726777AbhAIMo5 (ORCPT ); Sat, 9 Jan 2021 07:44:57 -0500 Received: from www.zeus03.de ([194.117.254.33]:50740 "EHLO mail.zeus03.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726756AbhAIMo4 (ORCPT ); Sat, 9 Jan 2021 07:44:56 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=simple; d=sang-engineering.com; h= from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; s=k1; bh=FNgj15D3k91S4V PodKXKk0mfMNri6JlDcD9jzLuY7is=; b=jG9LZex9OCBy9LoWiwc1v1/z2Fc58F 1zSNXBam222mZH/BMojcb4NVcImikoid5/ydJwnIRvkhEF+C3II2AP57DGdnzGbF rAT/WNOUxj5GQx2w8h9zSZZgYdau0MePyWHPlkPfGcUUnqHnAQ9yhRg0OF6jiZOC +XyXh6zboWCEw= Received: (qmail 1725205 invoked from network); 9 Jan 2021 13:43:33 +0100 Received: by mail.zeus03.de with ESMTPSA (TLS_AES_256_GCM_SHA384 encrypted, authenticated); 9 Jan 2021 13:43:33 +0100 X-UD-Smtp-Session: l3s3148p1@CqFLBXe4VpYgAwDPXyBeAD+yeC5KBZLe From: Wolfram Sang To: linux-i2c@vger.kernel.org Cc: linux-renesas-soc@vger.kernel.org, Wolfram Sang , Krzysztof Kozlowski , linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 8/8] i2c: s3c2410: advertise SMBus transfers using RECV_LEN Date: Sat, 9 Jan 2021 13:43:12 +0100 Message-Id: <20210109124314.27466-9-wsa+renesas@sang-engineering.com> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210109124314.27466-1-wsa+renesas@sang-engineering.com> References: <20210109124314.27466-1-wsa+renesas@sang-engineering.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org This driver implements I2C_M_RECV_LEN, so it can advertise the SMBus transfers needing it. This also enables client devices to check for the RECV_LEN capability. Signed-off-by: Wolfram Sang --- drivers/i2c/busses/i2c-s3c2410.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c index 3eafe0eb3e4c..62a903fbe912 100644 --- a/drivers/i2c/busses/i2c-s3c2410.c +++ b/drivers/i2c/busses/i2c-s3c2410.c @@ -781,7 +781,7 @@ static int s3c24xx_i2c_xfer(struct i2c_adapter *adap, /* declare our i2c functionality */ static u32 s3c24xx_i2c_func(struct i2c_adapter *adap) { - return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL | I2C_FUNC_NOSTART | + return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL_ALL | I2C_FUNC_NOSTART | I2C_FUNC_PROTOCOL_MANGLING; }