From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pl1-f197.google.com (mail-pl1-f197.google.com [209.85.214.197]) by kanga.kvack.org (Postfix) with ESMTP id B61ED6B0299 for ; Tue, 9 Oct 2018 09:26:47 -0400 (EDT) Received: by mail-pl1-f197.google.com with SMTP id d40-v6so977251pla.14 for ; Tue, 09 Oct 2018 06:26:47 -0700 (PDT) Received: from bombadil.infradead.org (bombadil.infradead.org. [2607:7c80:54:e::133]) by mx.google.com with ESMTPS id m17-v6si22581170pfe.187.2018.10.09.06.26.46 for (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 09 Oct 2018 06:26:46 -0700 (PDT) From: Christoph Hellwig Subject: [PATCH 33/33] powerpc/dma: trim the fat from Date: Tue, 9 Oct 2018 15:25:00 +0200 Message-Id: <20181009132500.17643-34-hch@lst.de> In-Reply-To: <20181009132500.17643-1-hch@lst.de> References: <20181009132500.17643-1-hch@lst.de> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: owner-linux-mm@kvack.org List-ID: To: Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman Cc: linuxppc-dev@lists.ozlabs.org, iommu@lists.linux-foundation.org, linux-mm@kvack.org, linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org There is no need to provide anything but get_arch_dma_ops to . More the remaining declarations to and drop all the includes. Signed-off-by: Christoph Hellwig --- arch/powerpc/include/asm/dma-mapping.h | 29 -------------------------- arch/powerpc/include/asm/iommu.h | 10 +++++++++ arch/powerpc/platforms/44x/ppc476.c | 1 + 3 files changed, 11 insertions(+), 29 deletions(-) diff --git a/arch/powerpc/include/asm/dma-mapping.h b/arch/powerpc/include/asm/dma-mapping.h index a59c42879194..565d6f74b189 100644 --- a/arch/powerpc/include/asm/dma-mapping.h +++ b/arch/powerpc/include/asm/dma-mapping.h @@ -1,37 +1,9 @@ /* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (C) 2004 IBM - * - * Implements the generic device dma API for powerpc. - * the pci and vio busses */ #ifndef _ASM_DMA_MAPPING_H #define _ASM_DMA_MAPPING_H -#ifdef __KERNEL__ - -#include -#include -/* need struct page definitions */ -#include -#include -#include -#include -#include - -static inline unsigned long device_to_mask(struct device *dev) -{ - if (dev->dma_mask && *dev->dma_mask) - return *dev->dma_mask; - /* Assume devices without mask can take 32 bit addresses */ - return 0xfffffffful; -} - -/* - * Available generic sets of operations - */ -#ifdef CONFIG_PPC64 -extern const struct dma_map_ops dma_iommu_ops; -#endif static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus) { @@ -43,5 +15,4 @@ static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus) return NULL; } -#endif /* __KERNEL__ */ #endif /* _ASM_DMA_MAPPING_H */ diff --git a/arch/powerpc/include/asm/iommu.h b/arch/powerpc/include/asm/iommu.h index 264d04f1dcd1..db745575e6a4 100644 --- a/arch/powerpc/include/asm/iommu.h +++ b/arch/powerpc/include/asm/iommu.h @@ -334,5 +334,15 @@ extern bool iommu_fixed_is_weak; #define iommu_fixed_is_weak false #endif +extern const struct dma_map_ops dma_iommu_ops; + +static inline unsigned long device_to_mask(struct device *dev) +{ + if (dev->dma_mask && *dev->dma_mask) + return *dev->dma_mask; + /* Assume devices without mask can take 32 bit addresses */ + return 0xfffffffful; +} + #endif /* __KERNEL__ */ #endif /* _ASM_IOMMU_H */ diff --git a/arch/powerpc/platforms/44x/ppc476.c b/arch/powerpc/platforms/44x/ppc476.c index e55933f9cd55..a5e61e5c16e2 100644 --- a/arch/powerpc/platforms/44x/ppc476.c +++ b/arch/powerpc/platforms/44x/ppc476.c @@ -34,6 +34,7 @@ #include #include #include +#include #include #include -- 2.19.0