From patchwork Thu Sep 19 21:49:01 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Russell King X-Patchwork-Id: 276326 Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from ozlabs.org (localhost [IPv6:::1]) by ozlabs.org (Postfix) with ESMTP id 3A0412C0237 for ; Fri, 20 Sep 2013 21:23:37 +1000 (EST) Received: from caramon.arm.linux.org.uk (caramon.arm.linux.org.uk [IPv6:2002:4e20:1eda::1]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id E15542C011C for ; Fri, 20 Sep 2013 21:23:10 +1000 (EST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=arm.linux.org.uk; s=caramon; h=Date:Sender:Message-Id:Subject:Cc:To:From:References:In-Reply-To; bh=sFSuDNLWbwtF8ynx9/ufoSyxIgFzIeQU5de1tGxomfU=; b=fxPPuCMgKCqeJ141fEO2mFhuQGlGSHIwAY0G7C7nf9MLugQ5SDEZblIgLSVxBkw53nolz6zOBCYzgA2Z74KWDXEOaRRwd2mCBsvQUH7gpDnS6XUMVlhjHrpHqBiNU8Z5eANBssJZlciblfL/VA39BuIUsxErHPzA7fw8mrOkytQ=; Received: from e0022681537dd.dyn.arm.linux.org.uk ([2002:4e20:1eda:1:222:68ff:fe15:37dd]:59178 helo=rmk-PC.arm.linux.org.uk) by caramon.arm.linux.org.uk with esmtpsa (TLSv1:AES256-SHA:256) (Exim 4.76) (envelope-from ) id 1VMnNK-0000qt-OM; Fri, 20 Sep 2013 00:11:06 +0100 Received: from rmk by rmk-PC.arm.linux.org.uk with local (Exim 4.76) (envelope-from ) id 1VMm5t-0007i5-V7; Thu, 19 Sep 2013 22:49:02 +0100 In-Reply-To: <20130919212235.GD12758@n2100.arm.linux.org.uk> References: <20130919212235.GD12758@n2100.arm.linux.org.uk> From: Russell King To: alsa-devel@alsa-project.org, b43-dev@lists.infradead.org, devel@driverdev.osuosl.org, devicetree@vger.kernel.org, dri-devel@lists.freedesktop.org, e1000-devel@lists.sourceforge.net, linux-arm-kernel@lists.infradead.org, linux-crypto@vger.kernel.org, linux-doc@vger.kernel.org, linux-fbdev@vger.kernel.org, linux-ide@vger.kernel.org, linux-media@vger.kernel.org, linux-mmc@vger.kernel.org, linux-nvme@lists.infradead.org, linux-omap@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-samsung-soc@vger.kernel.org, linux-scsi@vger.kernel.org, linux-tegra@vger.kernel.org, linux-usb@vger.kernel.org, linux-wireless@vger.kernel.org, netdev@vger.kernel.org, Solarflare linux maintainers , uclinux-dist-devel@blackfin.uclinux.org Subject: [PATCH 24/51] DMA-API: dma: pl330: add dma_set_mask_and_coherent() call Message-Id: Date: Thu, 19 Sep 2013 22:49:01 +0100 Cc: Vinod Koul , Dan Williams X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.16rc2 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" The DMA API requires drivers to call the appropriate dma_set_mask() functions before doing any DMA mapping. Add this required call to the AMBA PL08x driver. Signed-off-by: Russell King Acked-by: Vinod Koul --- drivers/dma/pl330.c | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-) diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c index a562d24..df8b10f 100644 --- a/drivers/dma/pl330.c +++ b/drivers/dma/pl330.c @@ -2903,6 +2903,10 @@ pl330_probe(struct amba_device *adev, const struct amba_id *id) pdat = dev_get_platdata(&adev->dev); + ret = dma_set_mask_and_coherent(&adev->dev, DMA_BIT_MASK(32)); + if (ret) + return ret; + /* Allocate a new DMAC and its Channels */ pdmac = devm_kzalloc(&adev->dev, sizeof(*pdmac), GFP_KERNEL); if (!pdmac) {