DMA Engine development
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From: Christoph Hellwig <hch@lst.de>
To: John Crispin <john@phrozen.org>, Vinod Koul <vkoul@kernel.org>,
	Dmitry Tarnyagin <dmitry.tarnyagin@lockless.no>,
	Nicolas Ferre <nicolas.ferre@microchip.com>,
	Sudip Mukherjee <sudipm.mukherjee@gmail.com>,
	Felipe Balbi <balbi@kernel.org>,
	linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org,
	dmaengine@vger.kernel.org, netdev@vger.kernel.org,
	linux-usb@vger.kernel.org, linux-fbdev@vger.kernel.org,
	alsa-devel@alsa-project.org
Cc: iommu@lists.linux-foundation.org
Subject: [16/18] pxa3xx-gcu: pass struct device to dma_mmap_coherent
Date: Fri,  1 Feb 2019 09:47:59 +0100	[thread overview]
Message-ID: <20190201084801.10983-17-hch@lst.de> (raw)

Just like we do for all other DMA operations.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 drivers/video/fbdev/pxa3xx-gcu.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/video/fbdev/pxa3xx-gcu.c b/drivers/video/fbdev/pxa3xx-gcu.c
index 69cfb337c857..047a2fa4b87e 100644
--- a/drivers/video/fbdev/pxa3xx-gcu.c
+++ b/drivers/video/fbdev/pxa3xx-gcu.c
@@ -96,6 +96,7 @@ struct pxa3xx_gcu_batch {
 };
 
 struct pxa3xx_gcu_priv {
+	struct device		 *dev;
 	void __iomem		 *mmio_base;
 	struct clk		 *clk;
 	struct pxa3xx_gcu_shared *shared;
@@ -493,7 +494,7 @@ pxa3xx_gcu_mmap(struct file *file, struct vm_area_struct *vma)
 		if (size != SHARED_SIZE)
 			return -EINVAL;
 
-		return dma_mmap_coherent(NULL, vma,
+		return dma_mmap_coherent(priv->dev, vma,
 			priv->shared, priv->shared_phys, size);
 
 	case SHARED_SIZE >> PAGE_SHIFT:
@@ -670,6 +671,7 @@ static int pxa3xx_gcu_probe(struct platform_device *pdev)
 
 	platform_set_drvdata(pdev, priv);
 	priv->resource_mem = r;
+	priv->dev = dev;
 	pxa3xx_gcu_reset(priv);
 	pxa3xx_gcu_init_debug_timer(priv);
 

                 reply	other threads:[~2019-02-01  8:47 UTC|newest]

Thread overview: [no followups] expand[flat|nested]  mbox.gz  Atom feed

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