On Tue 8 January 2013 12:01:51 Gianluca Gennari wrote: > Il 08/01/2013 10:58, Hans Verkuil ha scritto: > > On Mon 7 January 2013 22:38:23 Hans Verkuil wrote: > >> This message is generated daily by a cron job that builds media_tree for > >> the kernels and architectures in the list below. > >> > >> Results of the daily build of media_tree: > >> > >> date: Mon Jan 7 19:00:18 CET 2013 > >> git hash: 73ec66c000e9816806c7380ca3420f4e0638c40e > >> gcc version: i686-linux-gcc (GCC) 4.7.1 > >> host hardware: x86_64 > >> host os: 3.4.07-marune > >> > >> linux-git-arm-eabi-davinci: WARNINGS > >> linux-git-arm-eabi-exynos: WARNINGS > >> linux-git-arm-eabi-omap: ERRORS > >> linux-git-i686: OK > >> linux-git-m32r: OK > >> linux-git-mips: WARNINGS > >> linux-git-powerpc64: OK > >> linux-git-sh: OK > >> linux-git-x86_64: OK > >> linux-2.6.31.12-i686: WARNINGS > >> linux-2.6.32.6-i686: WARNINGS > >> linux-2.6.33-i686: WARNINGS > >> linux-2.6.34-i686: WARNINGS > >> linux-2.6.35.3-i686: WARNINGS > >> linux-2.6.36-i686: WARNINGS > >> linux-2.6.37-i686: WARNINGS > >> linux-2.6.38.2-i686: WARNINGS > >> linux-2.6.39.1-i686: WARNINGS > >> linux-3.0-i686: WARNINGS > >> linux-3.1-i686: WARNINGS > >> linux-3.2.1-i686: WARNINGS > >> linux-3.3-i686: WARNINGS > >> linux-3.4-i686: WARNINGS > >> linux-3.5-i686: WARNINGS > >> linux-3.6-i686: WARNINGS > >> linux-3.7-i686: WARNINGS > >> linux-3.8-rc1-i686: WARNINGS > >> linux-2.6.31.12-x86_64: WARNINGS > >> linux-2.6.32.6-x86_64: WARNINGS > >> linux-2.6.33-x86_64: WARNINGS > >> linux-2.6.34-x86_64: WARNINGS > >> linux-2.6.35.3-x86_64: WARNINGS > >> linux-2.6.36-x86_64: WARNINGS > >> linux-2.6.37-x86_64: WARNINGS > >> linux-2.6.38.2-x86_64: WARNINGS > >> linux-2.6.39.1-x86_64: WARNINGS > >> linux-3.0-x86_64: WARNINGS > >> linux-3.1-x86_64: WARNINGS > >> linux-3.2.1-x86_64: WARNINGS > >> linux-3.3-x86_64: WARNINGS > >> linux-3.4-x86_64: WARNINGS > >> linux-3.5-x86_64: WARNINGS > >> linux-3.6-x86_64: WARNINGS > >> linux-3.7-x86_64: WARNINGS > >> linux-3.8-rc1-x86_64: WARNINGS > >> apps: WARNINGS > >> spec-git: OK > >> sparse: ERRORS > >> > >> Detailed results are available here: > >> > >> http://www.xs4all.nl/~hverkuil/logs/Monday.log > > > > There were a lot of new 'redefined' warnings that I have fixed. > > > > In addition, it turned out that any driver using vb2 wasn't compiled for > > kernels <3.2 due to the fact that DMA_SHARED_BUFFER wasn't set. That's fixed > > as well, so drivers like em28xx and vivi will now compile on those older > > kernels. This also was the reason I never saw that the usb_translate_error > > function needed to be added to compat.h: it's used in em28xx but that driver > > was never compiled on kernels without usb_translate_error. > > > > Hopefully everything works now. > > > > Regards, > > > > Hans > > Hi Hans, > on kernel 2.6.32 (Ubuntu 10.04) the media_build tree compiles fine, with > just a few remaining warnings. > > In particular, there are several new warnings related to DMA_SHARED_BUFFER: > > WARNING: "dma_buf_vunmap" [media_build/v4l/videobuf2-vmalloc.ko] undefined! > WARNING: "dma_buf_vmap" [media_build/v4l/videobuf2-vmalloc.ko] undefined! > WARNING: "dma_buf_fd" [media_build/v4l/videobuf2-core.ko] undefined! > WARNING: "dma_buf_put" [media_build/v4l/videobuf2-core.ko] undefined! > WARNING: "dma_buf_get" [media_build/v4l/videobuf2-core.ko] undefined! Gianluca, Can you patch media_build with the patch below and try again? If it doesn't work, then replace '#ifdef CONFIG_DMA_SHARED_BUFFER' by '#if 0' in the patch below and try that instead. Let me know what works. Thanks, Hans diff --git a/backports/backports.txt b/backports/backports.txt index f2d08b9..73ecbf6 100644 --- a/backports/backports.txt +++ b/backports/backports.txt @@ -26,6 +26,7 @@ add pr_fmt.patch [3.1.255] add v3.1_no_export_h.patch +add v3.1_no_dma_buf_h.patch add v3.1_no_pm_qos.patch [3.0.255] diff --git a/backports/v3.1_no_dma_buf_h.patch b/backports/v3.1_no_dma_buf_h.patch new file mode 100644 index 0000000..5a7a7fb --- /dev/null +++ b/backports/v3.1_no_dma_buf_h.patch @@ -0,0 +1,116 @@ +diff --git a/include/linux/dma-buf.h b/include/linux/dma-buf.h +index bd2e52c..eb48f38 100644 +--- a/include/linux/dma-buf.h ++++ b/include/linux/dma-buf.h +@@ -156,6 +156,7 @@ static inline void get_dma_buf(struct dma_buf *dmabuf) + get_file(dmabuf->file); + } + ++#ifdef CONFIG_DMA_SHARED_BUFFER + struct dma_buf_attachment *dma_buf_attach(struct dma_buf *dmabuf, + struct device *dev); + void dma_buf_detach(struct dma_buf *dmabuf, +@@ -183,5 +184,103 @@ int dma_buf_mmap(struct dma_buf *, struct vm_area_struct *, + unsigned long); + void *dma_buf_vmap(struct dma_buf *); + void dma_buf_vunmap(struct dma_buf *, void *vaddr); ++#else ++ ++static inline struct dma_buf_attachment *dma_buf_attach(struct dma_buf *dmabuf, ++ struct device *dev) ++{ ++ return ERR_PTR(-ENODEV); ++} ++ ++static inline void dma_buf_detach(struct dma_buf *dmabuf, ++ struct dma_buf_attachment *dmabuf_attach) ++{ ++ return; ++} ++ ++static inline struct dma_buf *dma_buf_export(void *priv, ++ const struct dma_buf_ops *ops, ++ size_t size, int flags) ++{ ++ return ERR_PTR(-ENODEV); ++} ++ ++static inline int dma_buf_fd(struct dma_buf *dmabuf, int flags) ++{ ++ return -ENODEV; ++} ++ ++static inline struct dma_buf *dma_buf_get(int fd) ++{ ++ return ERR_PTR(-ENODEV); ++} ++ ++static inline void dma_buf_put(struct dma_buf *dmabuf) ++{ ++ return; ++} ++ ++static inline struct sg_table *dma_buf_map_attachment( ++ struct dma_buf_attachment *attach, enum dma_data_direction write) ++{ ++ return ERR_PTR(-ENODEV); ++} ++ ++static inline void dma_buf_unmap_attachment(struct dma_buf_attachment *attach, ++ struct sg_table *sg, enum dma_data_direction dir) ++{ ++ return; ++} ++ ++static inline int dma_buf_begin_cpu_access(struct dma_buf *dmabuf, ++ size_t start, size_t len, ++ enum dma_data_direction dir) ++{ ++ return -ENODEV; ++} ++ ++static inline void dma_buf_end_cpu_access(struct dma_buf *dmabuf, ++ size_t start, size_t len, ++ enum dma_data_direction dir) ++{ ++} ++ ++static inline void *dma_buf_kmap_atomic(struct dma_buf *dmabuf, ++ unsigned long pnum) ++{ ++ return NULL; ++} ++ ++static inline void dma_buf_kunmap_atomic(struct dma_buf *dmabuf, ++ unsigned long pnum, void *vaddr) ++{ ++} ++ ++static inline void *dma_buf_kmap(struct dma_buf *dmabuf, unsigned long pnum) ++{ ++ return NULL; ++} ++ ++static inline void dma_buf_kunmap(struct dma_buf *dmabuf, ++ unsigned long pnum, void *vaddr) ++{ ++} ++ ++static inline int dma_buf_mmap(struct dma_buf *dmabuf, ++ struct vm_area_struct *vma, ++ unsigned long pgoff) ++{ ++ return -ENODEV; ++} ++ ++static inline void *dma_buf_vmap(struct dma_buf *dmabuf) ++{ ++ return NULL; ++} ++ ++static inline void dma_buf_vunmap(struct dma_buf *dmabuf, void *vaddr) ++{ ++} ++#endif /* CONFIG_DMA_SHARED_BUFFER */ + + #endif /* __DMA_BUF_H__ */ -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
