Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757753Ab3HAV4i (ORCPT ); Thu, 1 Aug 2013 17:56:38 -0400 Received: from caramon.arm.linux.org.uk ([78.32.30.218]:39771 "EHLO caramon.arm.linux.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757492Ab3HAV4g (ORCPT ); Thu, 1 Aug 2013 17:56:36 -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 22/51] DMA-API: amba: get rid of separate dma_mask Message-Id: Date: Thu, 01 Aug 2013 22:56:08 +0100 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2757 Lines: 83 AMBA Primecell devices always treat streaming and coherent DMA exactly the same, so there's no point in having the masks separated. Signed-off-by: Russell King --- drivers/amba/bus.c | 6 +----- drivers/of/platform.c | 3 --- include/linux/amba/bus.h | 2 -- 3 files changed, 1 insertions(+), 10 deletions(-) diff --git a/drivers/amba/bus.c b/drivers/amba/bus.c index c670727..c4876ac 100644 --- a/drivers/amba/bus.c +++ b/drivers/amba/bus.c @@ -552,7 +552,6 @@ amba_aphb_device_add(struct device *parent, const char *name, if (!dev) return ERR_PTR(-ENOMEM); - dev->dma_mask = dma_mask; dev->dev.coherent_dma_mask = dma_mask; dev->irq[0] = irq1; dev->irq[1] = irq2; @@ -619,7 +618,7 @@ static void amba_device_initialize(struct amba_device *dev, const char *name) dev_set_name(&dev->dev, "%s", name); dev->dev.release = amba_device_release; dev->dev.bus = &amba_bustype; - dev->dev.dma_mask = &dev->dma_mask; + dev->dev.dma_mask = &dev->dev.coherent_dma_mask; dev->res.name = dev_name(&dev->dev); } @@ -663,9 +662,6 @@ int amba_device_register(struct amba_device *dev, struct resource *parent) amba_device_initialize(dev, dev->dev.init_name); dev->dev.init_name = NULL; - if (!dev->dev.coherent_dma_mask && dev->dma_mask) - dev_warn(&dev->dev, "coherent dma mask is unset\n"); - return amba_device_add(dev, parent); } diff --git a/drivers/of/platform.c b/drivers/of/platform.c index e0a6514..ef31c5d 100644 --- a/drivers/of/platform.c +++ b/drivers/of/platform.c @@ -277,9 +277,6 @@ static struct amba_device *of_amba_device_create(struct device_node *node, else of_device_make_bus_id(&dev->dev); - /* setup amba-specific device info */ - dev->dma_mask = ~0; - /* Allow the HW Peripheral ID to be overridden */ prop = of_get_property(node, "arm,primecell-periphid", NULL); if (prop) diff --git a/include/linux/amba/bus.h b/include/linux/amba/bus.h index 43ec7e2..682df0e 100644 --- a/include/linux/amba/bus.h +++ b/include/linux/amba/bus.h @@ -30,7 +30,6 @@ struct amba_device { struct device dev; struct resource res; struct clk *pclk; - u64 dma_mask; unsigned int periphid; unsigned int irq[AMBA_NR_IRQS]; }; @@ -131,7 +130,6 @@ struct amba_device name##_device = { \ struct amba_device name##_device = { \ .dev = __AMBA_DEV(busid, data, ~0ULL), \ .res = DEFINE_RES_MEM(base, SZ_4K), \ - .dma_mask = ~0ULL, \ .irq = irqs, \ .periphid = id, \ } -- 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/