On Mon, Jul 7, 2014 at 1:49 AM, Chen Gang <gang.chen.5i5j@xxxxxxxxx> wrote: > ION need HAS_DMA (e.g. need DMA_SHARED_BUFFER), so it has to depend on > HAS_DMA, or can not pass compiling with allmodconfig under score which > NO_DMA. And the related error: > > CC drivers/staging/android/ion/ion_cma_heap.o > drivers/staging/android/ion/ion_cma_heap.c: In function 'ion_cma_mmap': > drivers/staging/android/ion/ion_cma_heap.c:168:2: error: implicit declaration of function 'dma_mmap_coherent' [-Werror=implicit-function-declaration] > return dma_mmap_coherent(dev, vma, info->cpu_addr, info->handle, > ^ > cc1: some warnings being treated as errors > make[4]: *** [drivers/staging/android/ion/ion_cma_heap.o] Error 1 > make[3]: *** [drivers/staging/android/ion] Error 2 > make[2]: *** [drivers/staging/android] Error 2 > make[1]: *** [drivers/staging] Error 2 > make: *** [drivers] Error 2 > > > Signed-off-by: Chen Gang <gang.chen.5i5j@xxxxxxxxx> > --- > drivers/staging/android/ion/Kconfig | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/staging/android/ion/Kconfig b/drivers/staging/android/ion/Kconfig > index 0f8fec1..0a6e4d0 100644 > --- a/drivers/staging/android/ion/Kconfig > +++ b/drivers/staging/android/ion/Kconfig > @@ -1,6 +1,6 @@ > menuconfig ION > bool "Ion Memory Manager" > - depends on HAVE_MEMBLOCK > + depends on HAVE_MEMBLOCK && HAS_DMA > select GENERIC_ALLOCATOR > select DMA_SHARED_BUFFER > ---help--- > -- > 1.9.2.459.g68773ac Acked-by: Colin Cross <ccross@xxxxxxxxxxx> _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
