Messages in this thread | | | Date | Mon, 4 May 2015 15:35:37 -0700 | Subject | Re: [PATCH resend 3/5] xtensa: Provide dummy dma_alloc_attrs() and dma_free_attrs() | From | Chris Zankel <> |
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Hi Guenter,
Sorry for the delay. Will work on it later today or tomorrow.
Thanks, -Chris
On Mon, May 4, 2015 at 3:30 PM, Guenter Roeck <linux@roeck-us.net> wrote: > xtensa:allmodconfig fails to build with the following errors. > > drivers/gpu/drm/nouveau/nvkm/subdev/instmem/gk20a.c: > In function ‘gk20a_instobj_dtor_dma’: > drivers/gpu/drm/nouveau/nvkm/subdev/instmem/gk20a.c:154:2: error: > implicit declaration of function ‘dma_free_attrs’ > drivers/gpu/drm/nouveau/nvkm/subdev/instmem/gk20a.c: > In function ‘gk20a_instobj_ctor_dma’: > drivers/gpu/drm/nouveau/nvkm/subdev/instmem/gk20a.c:218:2: error: > implicit declaration of function ‘dma_alloc_attrs’ > > Xtensa does not provide those functions at this time. > Provide dummy implementations to avoid build errors. > > Acked-by: Max Filippov <jcmvbkbc@gmail.com> > Signed-off-by: Guenter Roeck <linux@roeck-us.net> > --- > Please consider pushing this patch into mainline, or provide feedback > on how to improve it to be acceptable. > > arch/xtensa/include/asm/dma-mapping.h | 13 +++++++++++++ > 1 file changed, 13 insertions(+) > > diff --git a/arch/xtensa/include/asm/dma-mapping.h b/arch/xtensa/include/asm/dma-mapping.h > index 172a02a6ad14..ba78ccf651e7 100644 > --- a/arch/xtensa/include/asm/dma-mapping.h > +++ b/arch/xtensa/include/asm/dma-mapping.h > @@ -185,4 +185,17 @@ static inline int dma_get_sgtable(struct device *dev, struct sg_table *sgt, > return -EINVAL; > } > > +static inline void *dma_alloc_attrs(struct device *dev, size_t size, > + dma_addr_t *dma_handle, gfp_t flag, > + struct dma_attrs *attrs) > +{ > + return NULL; > +} > + > +static inline void dma_free_attrs(struct device *dev, size_t size, > + void *vaddr, dma_addr_t dma_handle, > + struct dma_attrs *attrs) > +{ > +} > + > #endif /* _XTENSA_DMA_MAPPING_H */ > -- > 2.1.0 >
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