From mboxrd@z Thu Jan 1 00:00:00 1970 From: axel.lin@gmail.com (Axel Lin) Date: Mon, 04 Jul 2011 16:12:21 +0800 Subject: [PATCH] ARM: DMA: Silence declared inside parameter list warning for !CONFIG_MMU Message-ID: <1309767141.3964.1.camel@phoenix> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Fix below warning, the struct dma_coherent_area takes no space if !CONFIG_MMU. CC arch/arm/mm/dma-mapping.o arch/arm/mm/dma-mapping.c:309: warning: 'struct dma_coherent_area' declared inside parameter list arch/arm/mm/dma-mapping.c:309: warning: its scope is only this definition or declaration, which is probably not what you want arch/arm/mm/dma-mapping.c:334: warning: 'struct dma_coherent_area' declared inside parameter list arch/arm/mm/dma-mapping.c:374: warning: 'struct dma_coherent_area' declared inside parameter list Signed-off-by: Axel Lin --- arch/arm/mm/dma-mapping.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c index 8089499..da3b33a 100644 --- a/arch/arm/mm/dma-mapping.c +++ b/arch/arm/mm/dma-mapping.c @@ -297,6 +297,8 @@ static void dma_free_area(void *cpu_addr, size_t size, struct dma_coherent_area #define coherent_wc_area NULL #define coherent_dma_area NULL +struct dma_coherent_area { }; + void dma_coherent_reserve(void) { } -- 1.7.4.1