From patchwork Thu Nov 5 23:42:53 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrew Duggan X-Patchwork-Id: 7564651 Return-Path: X-Original-To: patchwork-linux-input@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id DE53E9F36A for ; Thu, 5 Nov 2015 23:43:54 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 15E7220751 for ; Thu, 5 Nov 2015 23:43:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 380702062E for ; Thu, 5 Nov 2015 23:43:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030248AbbKEXnF (ORCPT ); Thu, 5 Nov 2015 18:43:05 -0500 Received: from us-mx2.synaptics.com ([192.147.44.131]:46992 "EHLO us-mx1.synaptics.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1030239AbbKEXnB (ORCPT ); Thu, 5 Nov 2015 18:43:01 -0500 Received: from unknown (HELO securemail.synaptics.com) ([172.20.21.135]) by us-mx1.synaptics.com with ESMTP; 05 Nov 2015 15:43:00 -0800 Received: from USW-OWA1.synaptics-inc.local ([10.20.24.16]) by securemail.synaptics.com (PGP Universal service); Thu, 05 Nov 2015 16:43:24 -0800 X-PGP-Universal: processed; by securemail.synaptics.com on Thu, 05 Nov 2015 16:43:24 -0800 Received: from noble.synaptics-inc.local (10.4.10.145) by USW-OWA1.synaptics-inc.local (10.20.24.16) with Microsoft SMTP Server (TLS) id 14.3.248.2; Thu, 5 Nov 2015 15:43:00 -0800 From: Andrew Duggan To: , CC: Andrew Duggan , Dmitry Torokhov , Linus Walleij , Benjamin Tissoires , Christopher Heiny , Stephen Chandler Paul Subject: [PATCH 24/26] Input: synaptics-rmi4: use device managed memory for the data packet buffer Date: Thu, 5 Nov 2015 15:42:53 -0800 Message-ID: <1446766973-31304-1-git-send-email-aduggan@synaptics.com> X-Mailer: git-send-email 2.1.4 MIME-Version: 1.0 X-Originating-IP: [10.4.10.145] Sender: linux-input-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The data packet should use device managed memory since the buffer is retained until the device goes away. Signed-off-by: Andrew Duggan Acked-by: Linus Walleij --- drivers/input/rmi4/rmi_f11.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/input/rmi4/rmi_f11.c b/drivers/input/rmi4/rmi_f11.c index ee4b155..10a0c11 100644 --- a/drivers/input/rmi4/rmi_f11.c +++ b/drivers/input/rmi4/rmi_f11.c @@ -683,7 +683,8 @@ static int f11_2d_construct_data(struct f11_data *f11) sensor->pkt_size += DIV_ROUND_UP(query->nr_touch_shapes + 1, 8); - sensor->data_pkt = kzalloc(sensor->pkt_size, GFP_KERNEL); + sensor->data_pkt = devm_kzalloc(&sensor->fn->dev, sensor->pkt_size, + GFP_KERNEL); if (!sensor->data_pkt) return -ENOMEM;