From patchwork Wed May 27 11:53:07 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nicolas Saenz Julienne X-Patchwork-Id: 11572675 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id BD64D92A for ; Wed, 27 May 2020 11:54:48 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 6B2F820EDD for ; Wed, 27 May 2020 11:54:48 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="CXDvf3sJ" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6B2F820EDD Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=OR+LfE6iiGjgzeEutUydS2L4bC/oIDaxAKxMrJeHvMU=; b=CXDvf3sJxpHk7L ztdaDTxJWi8KHtwGmNR7le70AmqPjRUscVuvglH7G+CnCukfLjht1LxR3fDLYHJBzmhPGQse+APE3 UXqfUW2/6VnvzoYCHczGcXsbekY+hbOFmlOBSHCjeZ70kQzMKFg1tqg5bUNNwS/IZu+9+i4Xrjoq9 UABFN/kw7MMyUwqCHNpWnJIz75WZ89fTP34dpBxAwSHgwwTZdSn80cCOtrG3uBxSppP+ngvdfJ0Zy xxsJ7g0TTw4uV6fxO77v5XqIcX2M6YRGYFC47RdSEZKZRYMCDtwjZYh0DD6frl/V25VUvmMP/Ie9A XCBpA6ZzIyje2Um/qdhA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jdudt-0006xi-Ag; Wed, 27 May 2020 11:54:41 +0000 Received: from mx2.suse.de ([195.135.220.15]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jdudV-0006Xl-GP; Wed, 27 May 2020 11:54:19 +0000 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 413C8ADE3; Wed, 27 May 2020 11:54:16 +0000 (UTC) From: Nicolas Saenz Julienne To: bcm-kernel-feedback-list@broadcom.com, linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [RFC 02/50] staging: vchi: Get rid of vchi_queue_user_message() Date: Wed, 27 May 2020 13:53:07 +0200 Message-Id: <20200527115400.31391-3-nsaenzjulienne@suse.de> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200527115400.31391-1-nsaenzjulienne@suse.de> References: <20200527115400.31391-1-nsaenzjulienne@suse.de> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200527_045417_712242_DCB04A95 X-CRM114-Status: UNSURE ( 9.13 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -2.3 (--) X-Spam-Report: SpamAssassin version 3.4.4 on bombadil.infradead.org summary: Content analysis details: (-2.3 points) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at https://www.dnswl.org/, medium trust [195.135.220.15 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 0.0 RCVD_IN_MSPIKE_H3 RBL: Good reputation (+3) [195.135.220.15 listed in wl.mailspike.net] 0.0 RCVD_IN_MSPIKE_WL Mailspike good senders X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devel@driverdev.osuosl.org, kernel-list@raspberrypi.com, laurent.pinchart@ideasonboard.com, Nicolas Saenz Julienne , gregkh@linuxfoundation.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org The function has no users. Signed-off-by: Nicolas Saenz Julienne --- .../vc04_services/interface/vchi/vchi.h | 6 ---- .../interface/vchiq_arm/vchiq_shim.c | 34 ------------------- 2 files changed, 40 deletions(-) diff --git a/drivers/staging/vc04_services/interface/vchi/vchi.h b/drivers/staging/vc04_services/interface/vchi/vchi.h index 686cfc536012..62d9d3efa755 100644 --- a/drivers/staging/vc04_services/interface/vchi/vchi.h +++ b/drivers/staging/vc04_services/interface/vchi/vchi.h @@ -111,12 +111,6 @@ vchi_queue_kernel_message(struct vchi_service_handle *handle, void *data, unsigned int size); -/* Routine to send a message from user memory across a service */ -extern int -vchi_queue_user_message(struct vchi_service_handle *handle, - void __user *data, - unsigned int size); - // Routine to receive a msg from a service // Dequeue is equivalent to hold, copy into client buffer, release extern int32_t vchi_msg_dequeue(struct vchi_service_handle *handle, diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_shim.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_shim.c index 9a040651bb9b..2c2bd7a9dc27 100644 --- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_shim.c +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_shim.c @@ -150,40 +150,6 @@ vchi_queue_kernel_message(struct vchi_service_handle *handle, } EXPORT_SYMBOL(vchi_queue_kernel_message); -struct vchi_queue_user_message_context { - void __user *data; -}; - -static ssize_t -vchi_queue_user_message_callback(void *context, - void *dest, - size_t offset, - size_t maxsize) -{ - struct vchi_queue_user_message_context *copycontext = context; - - if (copy_from_user(dest, copycontext->data + offset, maxsize)) - return -EFAULT; - - return maxsize; -} - -int -vchi_queue_user_message(struct vchi_service_handle *handle, - void __user *data, - unsigned int size) -{ - struct vchi_queue_user_message_context copycontext = { - .data = data - }; - - return vchi_msg_queue(handle, - vchi_queue_user_message_callback, - ©context, - size); -} -EXPORT_SYMBOL(vchi_queue_user_message); - /*********************************************************** * Name: vchi_bulk_queue_receive *