From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from g6t0184.atlanta.hp.com (g6t0184.atlanta.hp.com [15.193.32.61]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "smtp.hp.com", Issuer "VeriSign Class 3 Secure Server CA - G3" (not verified)) by ozlabs.org (Postfix) with ESMTPS id CCFB82C048A for ; Fri, 16 Nov 2012 05:05:18 +1100 (EST) Message-ID: <1353002712.2532.42.camel@lorien2> Subject: Re: [PATCH RFT RESEND linux-next] powerpc: dma-mapping: support debug_dma_mapping_error From: Shuah Khan To: benh@kernel.crashing.org, m.szyprowski@samsung.com Date: Thu, 15 Nov 2012 11:05:12 -0700 In-Reply-To: <1351267705.4013.18.camel@lorien2> References: <1351210584.6851.21.camel@lorien2> <1351267705.4013.18.camel@lorien2> Content-Type: text/plain; charset="UTF-8" Mime-Version: 1.0 Cc: arnd@arndb.de, LKML , kyungmin.park@samsung.com, paulus@samba.org, shuahkhan@gmail.com, andrzej.p@samsung.com, linuxppc-dev@lists.ozlabs.org, david@gibson.dropbear.id.au Reply-To: shuah.khan@hp.com List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Fri, 2012-10-26 at 10:08 -0600, Shuah Khan wrote: > Add support for debug_dma_mapping_error() call to avoid warning from > debug_dma_unmap() interface when it checks for mapping error checked > status. Without this patch, device driver failed to check map error > warning is generated. > > Signed-off-by: Shuah Khan > --- > arch/powerpc/include/asm/dma-mapping.h | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/arch/powerpc/include/asm/dma-mapping.h b/arch/powerpc/include/asm/dma-mapping.h > index 7816087..e27e9ad 100644 > --- a/arch/powerpc/include/asm/dma-mapping.h > +++ b/arch/powerpc/include/asm/dma-mapping.h > @@ -172,6 +172,7 @@ static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr) > { > struct dma_map_ops *dma_ops = get_dma_ops(dev); > > + debug_dma_mapping_error(dev, dma_addr); > if (dma_ops->mapping_error) > return dma_ops->mapping_error(dev, dma_addr); > Marek, This one is for powerpc to go through your tree with the other arch debug_dma_mapping_error() patches. Thanks, -- Shuah