From patchwork Wed Jan 10 08:00:11 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 10154181 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 0390360231 for ; Wed, 10 Jan 2018 08:01:35 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id F05BD223A0 for ; Wed, 10 Jan 2018 08:01:34 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id E50002580E; Wed, 10 Jan 2018 08:01:34 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=2.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_HI,T_DKIM_INVALID autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 8E666223A0 for ; Wed, 10 Jan 2018 08:01:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965403AbeAJIBd (ORCPT ); Wed, 10 Jan 2018 03:01:33 -0500 Received: from bombadil.infradead.org ([65.50.211.133]:33795 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965361AbeAJIB1 (ORCPT ); Wed, 10 Jan 2018 03:01:27 -0500 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=01FVK7YGZS5IcvQMFYjkZ5jWZV0wHvfX7e4F1MK9uDQ=; b=f7cugZ1MUlqjBv6rqk5Ax+VDC ROXYcgjqTzI7ecaVljesZ+HN4Xk/qKTWdWu4vkZjQyizYngN4CaFwQ9tp0jFdHOrTbD13qMTg9/fF N3DATPel3ToKTfFeuYV/W3mE7B791XC8tAoDGY+zUcW9al2OD14b+H18z3X0U9Vd3MiJ98lYM/YCX N3vBnRYVzIKEo37kUtRxb9hbosZpO+L1d4iEa2AtlLTXWzjtUGShL6l5rZ0wtktWxvOCDVjpvR047 /XQWSYL9VGte4WQusrLUMnDkIAtAuI8//nxA1ZygFX5uSEAx6JCFNItJ7OT2CEWbtUhrFGL8Rd2SX wYzF2hnkA==; Received: from clnet-p099-196.ikbnet.co.at ([83.175.99.196] helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.89 #1 (Red Hat Linux)) id 1eZBK6-0004sa-4E; Wed, 10 Jan 2018 08:01:22 +0000 From: Christoph Hellwig To: iommu@lists.linux-foundation.org Cc: Konrad Rzeszutek Wilk , linux-alpha@vger.kernel.org, linux-snps-arc@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-c6x-dev@linux-c6x.org, linux-cris-kernel@axis.com, linux-hexagon@vger.kernel.org, linux-ia64@vger.kernel.org, linux-m68k@lists.linux-m68k.org, linux-metag@vger.kernel.org, Michal Simek , linux-mips@linux-mips.org, linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, patches@groups.riscv.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, Guan Xuetao , x86@kernel.org, linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 17/33] microblaze: remove the dead !NOT_COHERENT_CACHE dma code Date: Wed, 10 Jan 2018 09:00:11 +0100 Message-Id: <20180110080027.13879-18-hch@lst.de> X-Mailer: git-send-email 2.14.2 In-Reply-To: <20180110080027.13879-1-hch@lst.de> References: <20180110080027.13879-1-hch@lst.de> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Sender: linux-parisc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-parisc@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Signed-off-by: Christoph Hellwig --- arch/microblaze/kernel/dma.c | 28 ---------------------------- 1 file changed, 28 deletions(-) diff --git a/arch/microblaze/kernel/dma.c b/arch/microblaze/kernel/dma.c index b45d8f8967af..c91e8cef98dd 100644 --- a/arch/microblaze/kernel/dma.c +++ b/arch/microblaze/kernel/dma.c @@ -15,42 +15,18 @@ #include #include -#define NOT_COHERENT_CACHE - static void *dma_nommu_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle, gfp_t flag, unsigned long attrs) { -#ifdef NOT_COHERENT_CACHE return consistent_alloc(flag, size, dma_handle); -#else - void *ret; - struct page *page; - int node = dev_to_node(dev); - - /* ignore region specifiers */ - flag &= ~(__GFP_HIGHMEM); - - page = alloc_pages_node(node, flag, get_order(size)); - if (page == NULL) - return NULL; - ret = page_address(page); - memset(ret, 0, size); - *dma_handle = virt_to_phys(ret); - - return ret; -#endif } static void dma_nommu_free_coherent(struct device *dev, size_t size, void *vaddr, dma_addr_t dma_handle, unsigned long attrs) { -#ifdef NOT_COHERENT_CACHE consistent_free(size, vaddr); -#else - free_pages((unsigned long)vaddr, get_order(size)); -#endif } static inline void __dma_sync(unsigned long paddr, @@ -186,12 +162,8 @@ int dma_nommu_mmap_coherent(struct device *dev, struct vm_area_struct *vma, if (off >= count || user_count > (count - off)) return -ENXIO; -#ifdef NOT_COHERENT_CACHE vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); pfn = consistent_virt_to_pfn(cpu_addr); -#else - pfn = virt_to_pfn(cpu_addr); -#endif return remap_pfn_range(vma, vma->vm_start, pfn + off, vma->vm_end - vma->vm_start, vma->vm_page_prot); #else