From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755668Ab1GDIMd (ORCPT ); Mon, 4 Jul 2011 04:12:33 -0400 Received: from mail-gy0-f174.google.com ([209.85.160.174]:54435 "EHLO mail-gy0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755372Ab1GDIMc (ORCPT ); Mon, 4 Jul 2011 04:12:32 -0400 Subject: [PATCH] ARM: DMA: Silence declared inside parameter list warning for !CONFIG_MMU From: Axel Lin To: linux-kernel@vger.kernel.org Cc: Russell King , Sergei Shtylyov , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="UTF-8" Date: Mon, 04 Jul 2011 16:12:21 +0800 Message-ID: <1309767141.3964.1.camel@phoenix> Mime-Version: 1.0 X-Mailer: Evolution 2.32.2 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.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