From patchwork Thu Jun 8 13:25:58 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 773111 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3wk5v764Vdz9ryb for ; Thu, 8 Jun 2017 23:32:19 +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="dMuhDr7q"; dkim-atps=neutral Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752143AbdFHN2g (ORCPT ); Thu, 8 Jun 2017 09:28:36 -0400 Received: from bombadil.infradead.org ([65.50.211.133]:42219 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752225AbdFHN23 (ORCPT ); Thu, 8 Jun 2017 09:28:29 -0400 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=q6rrVBavW/g1iseNgi9YxHn0z+ZU/4+zYJi0PfQojcs=; b=dMuhDr7qyOcpaOo1aFdtPegSp BGuUJCKJ+94CQkuxu+ulN3p4dXFwSydTQBF3wq9PtQX4TO3JbyoltlpGAJiFzl81L4lLc+dHd6hB7 /7n/hQbi1sBUODoJ12clAbvp6Ia34XBKPpv3EbkUmFpArHa5CG3yGu0ZceNeQKkVM324+9TzU8hYo 1UuMigRxI8bPC2d30X9gIgR07lhtL2OnKAas0+cCHeQLyPFMaPBxd5hxaIO/jOhtM/Exi7fR8kr+g o4Q5T2GFLQszL/1SbIh6qOWvvYcPArzFjpZZkZYoItKu0nFfPFNlc21LpafszsKG1nbVG+rK9ehW+ mL/Y38EBw==; 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 1dIxU6-0007aB-No; Thu, 08 Jun 2017 13:28:24 +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 Cc: linux-kernel@vger.kernel.org Subject: [PATCH 33/44] openrisc: remove arch-specific dma_supported implementation Date: Thu, 8 Jun 2017 15:25:58 +0200 Message-Id: <20170608132609.32662-34-hch@lst.de> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20170608132609.32662-1-hch@lst.de> References: <20170608132609.32662-1-hch@lst.de> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org This implementation is simply bogus - hexagon only has a simple direct mapped DMA implementation and thus doesn't care about the address. Signed-off-by: Christoph Hellwig --- arch/openrisc/include/asm/dma-mapping.h | 7 ------- 1 file changed, 7 deletions(-) diff --git a/arch/openrisc/include/asm/dma-mapping.h b/arch/openrisc/include/asm/dma-mapping.h index a4ea139c2ef9..f41bd3cb76d9 100644 --- a/arch/openrisc/include/asm/dma-mapping.h +++ b/arch/openrisc/include/asm/dma-mapping.h @@ -33,11 +33,4 @@ static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus) return &or1k_dma_map_ops; } -#define HAVE_ARCH_DMA_SUPPORTED 1 -static inline int dma_supported(struct device *dev, u64 dma_mask) -{ - /* Support 32 bit DMA mask exclusively */ - return dma_mask == DMA_BIT_MASK(32); -} - #endif /* __ASM_OPENRISC_DMA_MAPPING_H */