From mboxrd@z Thu Jan 1 00:00:00 1970 From: Paul Gortmaker Subject: [PATCH/RFC] cris: add placeholder DMA functions for build coverage Date: Sat, 20 Jun 2015 15:52:50 -0400 Message-ID: <1434829970-28568-1-git-send-email-paul.gortmaker@windriver.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: Received: from mail1.windriver.com ([147.11.146.13]:61922 "EHLO mail1.windriver.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755127AbbFTTzK (ORCPT ); Sat, 20 Jun 2015 15:55:10 -0400 Sender: linux-next-owner@vger.kernel.org List-ID: To: linux-kernel@vger.kernel.org Cc: linux-next@vger.kernel.org, Paul Gortmaker , Mikael Starvik , Jesper Nilsson , linux-cris-kernel@axis.com Currently arch/cris fails the allmodconfig/allyesconfig build coverage in linux-next with things like: drivers/media/platform/sti/bdisp/bdisp-hw.c:132:3: error: implicit declaration of function 'dma_free_attrs' drivers/media/platform/sti/bdisp/bdisp-hw.c:157:2: error: implicit declaration of function 'dma_alloc_attrs' drivers/crypto/marvell/cesa.c: In function 'mv_cesa_get_sram': drivers/crypto/marvell/cesa.c:353:2: error: implicit declaration of function 'phys_to_dma' We steal the 1st 2 from commit e74993aef4411995960052506a000f94411a7103 ("xtensa: Provide dummy dma_alloc_attrs() and dma_free_attrs()") and the remaining two from commit 8d4f5339d1ee4027c07e6b2a1cfa9dc41b0d383b ("x86, IA64, powerpc: add phys_to_dma() and dma_to_phys()") Cc: Mikael Starvik Cc: Jesper Nilsson Cc: linux-cris-kernel@axis.com Signed-off-by: Paul Gortmaker --- [I don't know anything about cris or what DMA rules it operates under, hence RFC and "placeholder" status....] arch/cris/include/asm/dma-mapping.h | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/arch/cris/include/asm/dma-mapping.h b/arch/cris/include/asm/dma-mapping.h index 57f794ee6039..224e5e85b0d2 100644 --- a/arch/cris/include/asm/dma-mapping.h +++ b/arch/cris/include/asm/dma-mapping.h @@ -168,5 +168,27 @@ extern int dma_common_get_sgtable(struct device *dev, struct sg_table *sgt, #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) +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) +{ +} + +static inline dma_addr_t phys_to_dma(struct device *dev, phys_addr_t paddr) +{ + return paddr; +} + +static inline phys_addr_t dma_to_phys(struct device *dev, dma_addr_t daddr) +{ + return daddr; +} #endif -- 2.2.1