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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,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 A9008C38A24 for ; Thu, 7 May 2020 14:34:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 79B622073A for ; Thu, 7 May 2020 14:34:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1588862090; bh=Bq4eHZWtEpaN3euD1FZIVBHPQAYGNnABrym1Qp0jRmI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=LF9ItlRV1b8ihWXWz57NyGKp+6gMtBJWQ0KUKFvGuwGxd3NrDDylhEQps7vHLnVuV j16xNbyB2oK1DJNEuDXds5CbkzUnALBEPsuegDl3F3nVNvbKekS6cRX0APKH6vC7RB 1kahtffUSmRoZ6vpQw+K1o+s/kJslXVz2sjjC/g8= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728370AbgEGO3A (ORCPT ); Thu, 7 May 2020 10:29:00 -0400 Received: from mail.kernel.org ([198.145.29.99]:56082 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728361AbgEGO27 (ORCPT ); Thu, 7 May 2020 10:28:59 -0400 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 01D0020936; Thu, 7 May 2020 14:28:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1588861738; bh=Bq4eHZWtEpaN3euD1FZIVBHPQAYGNnABrym1Qp0jRmI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=uCGruXGNvVCibc0Kkzv6KgAZWS8HrGG6DJ+ZafePEp5TYQWcVIjpD0ptjPe1oGkMe +u3Ed62e3+pZ5whsWSVrzvzZh4PQZByFV2I+7kVwc8VTdXqKFyxPXohEICdE671MZx dZF+nmV1lYWmUbWGGtrsbAh3cGF5z/0wr6ttYW4I= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Rayagonda Kokatanur , Wolfram Sang , Sasha Levin , linux-i2c@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH AUTOSEL 5.4 22/35] i2c: iproc: generate stop event for slave writes Date: Thu, 7 May 2020 10:28:16 -0400 Message-Id: <20200507142830.26239-22-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200507142830.26239-1-sashal@kernel.org> References: <20200507142830.26239-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-i2c-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-i2c@vger.kernel.org From: Rayagonda Kokatanur [ Upstream commit 068143a8195fb0fdeea1f3ca430b3db0f6d04a53 ] When slave status is I2C_SLAVE_RX_END, generate I2C_SLAVE_STOP event to i2c_client. Fixes: c245d94ed106 ("i2c: iproc: Add multi byte read-write support for slave mode") Signed-off-by: Rayagonda Kokatanur Signed-off-by: Wolfram Sang Signed-off-by: Sasha Levin --- drivers/i2c/busses/i2c-bcm-iproc.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/i2c/busses/i2c-bcm-iproc.c b/drivers/i2c/busses/i2c-bcm-iproc.c index 9ffdffaf6141e..03475f1799730 100644 --- a/drivers/i2c/busses/i2c-bcm-iproc.c +++ b/drivers/i2c/busses/i2c-bcm-iproc.c @@ -359,6 +359,9 @@ static bool bcm_iproc_i2c_slave_isr(struct bcm_iproc_i2c_dev *iproc_i2c, value = (u8)((val >> S_RX_DATA_SHIFT) & S_RX_DATA_MASK); i2c_slave_event(iproc_i2c->slave, I2C_SLAVE_WRITE_RECEIVED, &value); + if (rx_status == I2C_SLAVE_RX_END) + i2c_slave_event(iproc_i2c->slave, + I2C_SLAVE_STOP, &value); } } else if (status & BIT(IS_S_TX_UNDERRUN_SHIFT)) { /* Master read other than start */ -- 2.20.1