From patchwork Sat Feb 3 07:58:10 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Abhishek Sahu X-Patchwork-Id: 868859 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=linux-i2c-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=codeaurora.org header.i=@codeaurora.org header.b="jw453FGl"; dkim=pass (1024-bit key) header.d=codeaurora.org header.i=@codeaurora.org header.b="bYlNXSZ2"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3zYR853twSz9t5s for ; Sat, 3 Feb 2018 18:59:17 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752084AbeBCH7H (ORCPT ); Sat, 3 Feb 2018 02:59:07 -0500 Received: from smtp.codeaurora.org ([198.145.29.96]:35538 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751912AbeBCH6q (ORCPT ); Sat, 3 Feb 2018 02:58:46 -0500 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id A2D88608BF; Sat, 3 Feb 2018 07:58:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1517644725; bh=B9f+ynGGaKlf4CN1TbAJOGbrm/WvW0twSJWN5qzcUC0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=jw453FGlt8YqWtT1q239FCpzkKk3acppAa7Za1BWt9+NPO+UwyDREoMBqCVw+U5Re cu9ppJkiczU6lRwDOArSA6FLP45i5Ih/cGMuys8E8uuo/l/YZ5IolTDqyA/vjMzh6+ gWZ2RzYanuHdY7Z52a15eu0gIsP87KW4i964cGSc= X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on pdx-caf-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.8 required=2.0 tests=ALL_TRUSTED,BAYES_00, DKIM_SIGNED, T_DKIM_INVALID autolearn=no autolearn_force=no version=3.4.0 Received: from absahu-linux.qualcomm.com (blr-c-bdr-fw-01_globalnat_allzones-outside.qualcomm.com [103.229.19.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: absahu@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id 73968608BF; Sat, 3 Feb 2018 07:58:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1517644724; bh=B9f+ynGGaKlf4CN1TbAJOGbrm/WvW0twSJWN5qzcUC0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=bYlNXSZ2cIA7yh1OV7BEYv1EF77UQ6Nn1HtkPEKENmeVUqZqYZ8Ib69A00lVbRhnt kor2NxVO4ZI6d6nwagRdwSNSh6MnEjGVRbKBgWrixwszD3v8lBncBJS+bUOFi0hDpA 5YUbzZG+LswuMa58/ehbnqYu0kmcKR+UjOQ7om78= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 73968608BF Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=absahu@codeaurora.org From: Abhishek Sahu To: Andy Gross , Wolfram Sang Cc: David Brown , Sricharan R , linux-arm-msm@vger.kernel.org, linux-soc@vger.kernel.org, linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org, Abhishek Sahu Subject: [PATCH 05/12] i2c: qup: fix the transfer length for BAM rx EOT FLUSH tags Date: Sat, 3 Feb 2018 13:28:10 +0530 Message-Id: <1517644697-30806-6-git-send-email-absahu@codeaurora.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1517644697-30806-1-git-send-email-absahu@codeaurora.org> References: <1517644697-30806-1-git-send-email-absahu@codeaurora.org> Sender: linux-i2c-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-i2c@vger.kernel.org In case of FLUSH operation, BAM copies INPUT EOT FLUSH (0x94) instead of normal EOT (0x93) tag in input data stream when an input EOT tag is received during flush operation. So only one tag will be written instead of 2 separate tags. Signed-off-by: Abhishek Sahu Reviewed-by: Andy Gross --- drivers/i2c/busses/i2c-qup.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/i2c/busses/i2c-qup.c b/drivers/i2c/busses/i2c-qup.c index 6357aff..094be6a 100644 --- a/drivers/i2c/busses/i2c-qup.c +++ b/drivers/i2c/busses/i2c-qup.c @@ -768,10 +768,10 @@ static int qup_i2c_bam_do_xfer(struct qup_i2c_dev *qup, struct i2c_msg *msg, qup->btx.tag.start[0] = QUP_BAM_INPUT_EOT; len++; - /* scratch buf to read the BAM EOT and FLUSH tags */ + /* scratch buf to read the BAM EOT FLUSH tags */ ret = qup_sg_set_buf(&qup->brx.sg[rx_buf++], &qup->brx.tag.start[0], - 2, qup, DMA_FROM_DEVICE); + 1, qup, DMA_FROM_DEVICE); if (ret) return ret; }