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=-9.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,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 6FD76CA9EB7 for ; Tue, 22 Oct 2019 19:56:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 40AD421872 for ; Tue, 22 Oct 2019 19:56:41 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="q2LvZjBy" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388984AbfJVT4k (ORCPT ); Tue, 22 Oct 2019 15:56:40 -0400 Received: from mail-pf1-f194.google.com ([209.85.210.194]:39520 "EHLO mail-pf1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388791AbfJVT4g (ORCPT ); Tue, 22 Oct 2019 15:56:36 -0400 Received: by mail-pf1-f194.google.com with SMTP id v4so11295255pff.6; Tue, 22 Oct 2019 12:56:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=r0E4wpyrWRiaNA8auIL2vJERHfcV4z20I+V9gMG7Q6s=; b=q2LvZjByonNQdt6+6w10ovlIJ7nlIT54rYOZjPfhdasiCeHq/5pusFSVuUmzoeFlFC 2Qtl/GHsdbA4YZvyOeNSSJSiy9P+lgwFFEKMtTS88KTtvQeAuR+oeeJlVCSqp/Yz59jE lgGXk9q98fAKqVpbgssb/Yi3C8Rj6I1bvrDJdF+/hQ+yuafkXbLsfw/JRi8pu4ZjmaJo U62N02YaLAzx3qE8+WYQfnZMQE34EdMd11JVvOgCZA9YL3x0wb+kvDsOMwSRuRASjqHe hrHntQZI8n1cEPlK/WTIUNhZnTitl22Pep+P6N46zxw62UyclACmizek1cDLEeEQ9p23 /eqA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=r0E4wpyrWRiaNA8auIL2vJERHfcV4z20I+V9gMG7Q6s=; b=aO+Rps7/NK7KN7lM4CJi2KyNRZAcB6SjUZ4s+cSv2ejv78sbYaj+QQiC4VvpXYtLhy RtGJ1bnL7fbn26Iq9NgTuDH1HzSCP+gvZoyt+03vYiqpIA+52QDFsjNOqpcZ5lrRCpUz xCzdUQ3zVLTa4vMTbnXkfEx/TiKeyenIb8CJ8Snj45hZ4r+hpVnZBnUt9RMaP0Zw5IWA NqpJLcVOv8CKQbhRb3WKwDIV0Rmoi8AUamRl1e48lHxnOV7imJxM4p7ogxLWeHheskMR 5SpeeZrSRnzOq/BiNo9rozZLV0XNxRFOkFRswtbeHJrvsUCxIV3KxZbrnRgs29W1y8Et qrdA== X-Gm-Message-State: APjAAAXQGC5u4JxVy5zLuntQsDgo+5+7c3DuxL6YmhwcSsevU7h+W3mF NsDArQvKCJKFtgqEeYCzkZY= X-Google-Smtp-Source: APXvYqxaVWtLbPEUwINiwwKiSkp7I36iWsAUBVv1/hXd2B+R2Wq65xCrIwlcdbI9EKxnVzlqszYczg== X-Received: by 2002:aa7:908b:: with SMTP id i11mr6327445pfa.186.1571774193881; Tue, 22 Oct 2019 12:56:33 -0700 (PDT) Received: from dtor-ws.mtv.corp.google.com ([2620:15c:202:201:3adc:b08c:7acc:b325]) by smtp.gmail.com with ESMTPSA id c34sm20212715pgb.35.2019.10.22.12.56.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 22 Oct 2019 12:56:33 -0700 (PDT) From: Dmitry Torokhov To: Martin Kepplinger Cc: Dixit Parmar , Kuninori Morimoto , Matthias Fend , linux-input@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 7/8] Input: st1232 - note that the receive buffer is DMA-safe Date: Tue, 22 Oct 2019 12:56:21 -0700 Message-Id: <20191022195622.66976-8-dmitry.torokhov@gmail.com> X-Mailer: git-send-email 2.23.0.866.gb869b98d4c-goog In-Reply-To: <20191022195622.66976-1-dmitry.torokhov@gmail.com> References: <20191022195622.66976-1-dmitry.torokhov@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The receiving buffer is allocated separately from the main driver data structure, and is naturally DMA-safe, so mark it as such when building I2C transfer message. Signed-off-by: Dmitry Torokhov --- drivers/input/touchscreen/st1232.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/input/touchscreen/st1232.c b/drivers/input/touchscreen/st1232.c index 0aee330731c9..a4a3b82ee69d 100644 --- a/drivers/input/touchscreen/st1232.c +++ b/drivers/input/touchscreen/st1232.c @@ -66,7 +66,7 @@ static int st1232_ts_read_data(struct st1232_ts_data *ts) }, { .addr = client->addr, - .flags = I2C_M_RD, + .flags = I2C_M_RD | I2C_M_DMA_SAFE, .len = ts->read_buf_len, .buf = ts->read_buf, } -- 2.23.0.866.gb869b98d4c-goog