Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757898Ab3HAV5h (ORCPT ); Thu, 1 Aug 2013 17:57:37 -0400 Received: from caramon.arm.linux.org.uk ([78.32.30.218]:39774 "EHLO caramon.arm.linux.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757529Ab3HAV5f (ORCPT ); Thu, 1 Aug 2013 17:57:35 -0400 In-Reply-To: <20130801213420.GL23006@n2100.arm.linux.org.uk> References: <20130801213420.GL23006@n2100.arm.linux.org.uk> From: Russell King To: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org, Arnd Bergmann Subject: [PATCH RFC 23/51] DMA-API: dma: pl08x: add dma_set_mask_and_coherent() call Message-Id: Date: Thu, 01 Aug 2013 22:57:08 +0100 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1088 Lines: 33 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 --- drivers/dma/amba-pl08x.c | 5 +++++ 1 files changed, 5 insertions(+), 0 deletions(-) diff --git a/drivers/dma/amba-pl08x.c b/drivers/dma/amba-pl08x.c index 06fe45c..c23f876 100644 --- a/drivers/dma/amba-pl08x.c +++ b/drivers/dma/amba-pl08x.c @@ -1853,6 +1853,11 @@ static int pl08x_probe(struct amba_device *adev, const struct amba_id *id) if (ret) return ret; + /* Ensure that we can do DMA */ + ret = dma_set_mask_and_coherent(&adev->dev, DMA_BIT_MASK(32)); + if (ret) + goto out_no_pl08x; + /* Create the driver state holder */ pl08x = kzalloc(sizeof(*pl08x), GFP_KERNEL); if (!pl08x) { -- 1.7.4.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/