From patchwork Fri Jun 16 18:10:44 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 777136 Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [103.22.144.68]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3wq9Vp1Bdmz9s7F for ; Sat, 17 Jun 2017 05:32:18 +1000 (AEST) Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=infradead.org header.i=@infradead.org header.b="A++apB/p"; dkim-atps=neutral Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 3wq9Vn6yrYzDq9H for ; Sat, 17 Jun 2017 05:32:17 +1000 (AEST) Authentication-Results: lists.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=infradead.org header.i=@infradead.org header.b="A++apB/p"; dkim-atps=neutral X-Original-To: linuxppc-dev@lists.ozlabs.org Delivered-To: linuxppc-dev@lists.ozlabs.org Received: from bombadil.infradead.org (bombadil.infradead.org [65.50.211.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 3wq7lG3h6LzDq9H for ; Sat, 17 Jun 2017 04:12:58 +1000 (AEST) Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=infradead.org header.i=@infradead.org header.b="A++apB/p"; dkim-atps=neutral DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=References:In-Reply-To:Message-Id: Date:Subject:Cc:To:From:Sender:Reply-To:MIME-Version:Content-Type: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=XSYdmvQJNFdXK+xuL8ZHUwT5syGePJpAphlsCPfTcOw=; b=A++apB/ptSeIu6Y0ek+tWmsKH lq6xJO0pacKwxe59hUokk8vkdQmNp5z/vd2bGak0Q44OGO78QlDkGBfqaiIKkMpatAYEk5AdLTZUB Vs5QJYwdnVaa23TWedL6XO/wSShWOcS/OurzE3WKbl+mSFLWwSc1t07ISUPO5Pp2XxoHND4cr0q39 Xys4TshHy+jQ7qCGAsWyV6l/wwohm7rJi5v14xjEh9XyCeoMIz0RxdZ9uC9IRhqfCQHZi3WSKoxTf ZfjOtxiBk30s2OHVNluZ/SnkBouYXuFK5Xsw3VaOLWvNhpBWgnQXMy9KEwJe1hy6QTuIAuLL8cRO/ fGm0gkreg==; Received: from clnet-p099-196.ikbnet.co.at ([83.175.99.196] helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.87 #1 (Red Hat Linux)) id 1dLvjj-0006Ek-UW; Fri, 16 Jun 2017 18:12:48 +0000 From: Christoph Hellwig To: x86@kernel.org, linux-arm-kernel@lists.infradead.org, xen-devel@lists.xenproject.org, linux-c6x-dev@linux-c6x.org, linux-hexagon@vger.kernel.org, linux-ia64@vger.kernel.org, linux-mips@linux-mips.org, openrisc@lists.librecores.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-xtensa@linux-xtensa.org, dmaengine@vger.kernel.org, linux-tegra@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-samsung-soc@vger.kernel.org, iommu@lists.linux-foundation.org, netdev@vger.kernel.org Subject: [PATCH 29/44] dma-noop: remove dma_supported and mapping_error methods Date: Fri, 16 Jun 2017 20:10:44 +0200 Message-Id: <20170616181059.19206-30-hch@lst.de> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20170616181059.19206-1-hch@lst.de> References: <20170616181059.19206-1-hch@lst.de> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-kernel@vger.kernel.org Errors-To: linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" These just duplicate the default behavior if no method is provided. Signed-off-by: Christoph Hellwig --- lib/dma-noop.c | 12 ------------ 1 file changed, 12 deletions(-) diff --git a/lib/dma-noop.c b/lib/dma-noop.c index de26c8b68f34..643a074f139d 100644 --- a/lib/dma-noop.c +++ b/lib/dma-noop.c @@ -54,23 +54,11 @@ static int dma_noop_map_sg(struct device *dev, struct scatterlist *sgl, int nent return nents; } -static int dma_noop_mapping_error(struct device *dev, dma_addr_t dma_addr) -{ - return 0; -} - -static int dma_noop_supported(struct device *dev, u64 mask) -{ - return 1; -} - const struct dma_map_ops dma_noop_ops = { .alloc = dma_noop_alloc, .free = dma_noop_free, .map_page = dma_noop_map_page, .map_sg = dma_noop_map_sg, - .mapping_error = dma_noop_mapping_error, - .dma_supported = dma_noop_supported, }; EXPORT_SYMBOL(dma_noop_ops);