From mboxrd@z Thu Jan 1 00:00:00 1970 From: Geert Uytterhoeven Subject: [PATCH 9/9] xtensa: Provide dma_mmap_coherent() and dma_get_sgtable() Date: Sun, 13 Jan 2013 11:44:50 +0100 Message-ID: <1358073890-3610-9-git-send-email-geert@linux-m68k.org> References: <1358073890-3610-1-git-send-email-geert@linux-m68k.org> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: In-Reply-To: <1358073890-3610-1-git-send-email-geert@linux-m68k.org> Sender: linux-kernel-owner@vger.kernel.org To: linux-arch@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Geert Uytterhoeven , Marek Szyprowski , linux-xtensa@linux-xtensa.org List-Id: linux-arch.vger.kernel.org xtensa/allmodconfig: drivers/media/v4l2-core/videobuf2-dma-contig.c: In function =E2=80=98vb= 2_dc_mmap=E2=80=99: drivers/media/v4l2-core/videobuf2-dma-contig.c:204: error: implicit dec= laration of function =E2=80=98dma_mmap_coherent=E2=80=99 drivers/media/v4l2-core/videobuf2-dma-contig.c: In function =E2=80=98vb= 2_dc_get_base_sgt=E2=80=99: drivers/media/v4l2-core/videobuf2-dma-contig.c:387: error: implicit dec= laration of function =E2=80=98dma_get_sgtable=E2=80=99 =46or architectures using dma_map_ops, dma_mmap_coherent() and dma_get_sgtable() are provided in . Xtensa does not use dma_map_ops, hence it should implement them as inli= ne stubs using dma_common_mmap() and dma_common_get_sgtable(). Signed-off-by: Geert Uytterhoeven Cc: Marek Szyprowski Cc: linux-xtensa@linux-xtensa.org --- arch/xtensa/include/asm/dma-mapping.h | 10 ++++++++++ 1 files changed, 10 insertions(+), 0 deletions(-) diff --git a/arch/xtensa/include/asm/dma-mapping.h b/arch/xtensa/includ= e/asm/dma-mapping.h index 4acb5fe..9b778fc 100644 --- a/arch/xtensa/include/asm/dma-mapping.h +++ b/arch/xtensa/include/asm/dma-mapping.h @@ -170,4 +170,14 @@ dma_cache_sync(struct device *dev, void *vaddr, si= ze_t size, consistent_sync(vaddr, size, direction); } =20 +/* drivers/base/dma-mapping.c */ +extern int dma_common_mmap(struct device *dev, struct vm_area_struct *= vma, + void *cpu_addr, dma_addr_t dma_addr, size_t size); +extern int dma_common_get_sgtable(struct device *dev, struct sg_table = *sgt, + void *cpu_addr, dma_addr_t dma_addr, + size_t size); + +#define dma_mmap_coherent(d, v, c, h, s) dma_common_mmap(d, v, c, h, s= ) +#define dma_get_sgtable(d, t, v, h, s) dma_common_get_sgtable(d, t, v,= h, s) + #endif /* _XTENSA_DMA_MAPPING_H */ --=20 1.7.0.4 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from georges.telenet-ops.be ([195.130.137.68]:57516 "EHLO georges.telenet-ops.be" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754807Ab3AMKpG (ORCPT ); Sun, 13 Jan 2013 05:45:06 -0500 From: Geert Uytterhoeven Subject: [PATCH 9/9] xtensa: Provide dma_mmap_coherent() and dma_get_sgtable() Date: Sun, 13 Jan 2013 11:44:50 +0100 Message-ID: <1358073890-3610-9-git-send-email-geert@linux-m68k.org> In-Reply-To: <1358073890-3610-1-git-send-email-geert@linux-m68k.org> References: <1358073890-3610-1-git-send-email-geert@linux-m68k.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-arch-owner@vger.kernel.org List-ID: To: linux-arch@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Geert Uytterhoeven , Marek Szyprowski , linux-xtensa@linux-xtensa.org Message-ID: <20130113104450.mAJgF0pdQAHq4mpAsKNqeQVRy6xir8d1J3auHQG0lSU@z> xtensa/allmodconfig: drivers/media/v4l2-core/videobuf2-dma-contig.c: In function ‘vb2_dc_mmap’: drivers/media/v4l2-core/videobuf2-dma-contig.c:204: error: implicit declaration of function ‘dma_mmap_coherent’ drivers/media/v4l2-core/videobuf2-dma-contig.c: In function ‘vb2_dc_get_base_sgt’: drivers/media/v4l2-core/videobuf2-dma-contig.c:387: error: implicit declaration of function ‘dma_get_sgtable’ For architectures using dma_map_ops, dma_mmap_coherent() and dma_get_sgtable() are provided in . Xtensa does not use dma_map_ops, hence it should implement them as inline stubs using dma_common_mmap() and dma_common_get_sgtable(). Signed-off-by: Geert Uytterhoeven Cc: Marek Szyprowski Cc: linux-xtensa@linux-xtensa.org --- arch/xtensa/include/asm/dma-mapping.h | 10 ++++++++++ 1 files changed, 10 insertions(+), 0 deletions(-) diff --git a/arch/xtensa/include/asm/dma-mapping.h b/arch/xtensa/include/asm/dma-mapping.h index 4acb5fe..9b778fc 100644 --- a/arch/xtensa/include/asm/dma-mapping.h +++ b/arch/xtensa/include/asm/dma-mapping.h @@ -170,4 +170,14 @@ dma_cache_sync(struct device *dev, void *vaddr, size_t size, consistent_sync(vaddr, size, direction); } +/* drivers/base/dma-mapping.c */ +extern int dma_common_mmap(struct device *dev, struct vm_area_struct *vma, + void *cpu_addr, dma_addr_t dma_addr, size_t size); +extern int dma_common_get_sgtable(struct device *dev, struct sg_table *sgt, + void *cpu_addr, dma_addr_t dma_addr, + size_t size); + +#define dma_mmap_coherent(d, v, c, h, s) dma_common_mmap(d, v, c, h, s) +#define dma_get_sgtable(d, t, v, h, s) dma_common_get_sgtable(d, t, v, h, s) + #endif /* _XTENSA_DMA_MAPPING_H */ -- 1.7.0.4