From patchwork Mon May 4 17:57:55 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 226402 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=-6.8 required=3.0 tests=DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=ham 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 1DA1FC47257 for ; Mon, 4 May 2020 18:06:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EEC0B2073B for ; Mon, 4 May 2020 18:06:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1588615613; bh=RTv3fe9BdZNIW2EkAR6n7tLvr54BVsc+vkMbD+c/x5o=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=ezBHg6xUE76oepAjCcdfGsYkEqKYgDSe+NmxZePcdAFaF4s3mmE+OzgK0ClM+wX4l 8VKoIJnIfJo6813LhjJSiYpfiKp7gAHilwZbmPIlPehin+vx59KJtHTs2kMu4TrYkH pDEgET0YZN/rsgTqRURbSGZjcskxkjJJG73jQ0kk= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732039AbgEDSGw (ORCPT ); Mon, 4 May 2020 14:06:52 -0400 Received: from mail.kernel.org ([198.145.29.99]:37410 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731519AbgEDSGv (ORCPT ); Mon, 4 May 2020 14:06:51 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 962482073B; Mon, 4 May 2020 18:06:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1588615611; bh=RTv3fe9BdZNIW2EkAR6n7tLvr54BVsc+vkMbD+c/x5o=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=VIlTE51zOAKjCXX6Ny1AA5IJX/lfHGLXPoV86PySC/0uaQl2elB8ph0EtotqrfD/m R0gaz2zIrr4GQlOOWtuS66zMX5uiT06Ub2xFgRcf0F71sDpVpxrcRHsrz77VI6pXRt Hkx8NYvh1mx7v7TJEtGWHmF+BAKDDVI79bCANpBw= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Rayagonda Kokatanur , Wolfram Sang Subject: [PATCH 5.6 52/73] i2c: iproc: generate stop event for slave writes Date: Mon, 4 May 2020 19:57:55 +0200 Message-Id: <20200504165509.271153097@linuxfoundation.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200504165501.781878940@linuxfoundation.org> References: <20200504165501.781878940@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Rayagonda Kokatanur commit 068143a8195fb0fdeea1f3ca430b3db0f6d04a53 upstream. 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: Greg Kroah-Hartman --- drivers/i2c/busses/i2c-bcm-iproc.c | 3 +++ 1 file changed, 3 insertions(+) --- a/drivers/i2c/busses/i2c-bcm-iproc.c +++ b/drivers/i2c/busses/i2c-bcm-iproc.c @@ -360,6 +360,9 @@ static bool bcm_iproc_i2c_slave_isr(stru 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 */