linux-kernel - [PATCH 16/18] pxa3xx-gcu: pass struct device to dma_mmap

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Message-Id: <20190201084801.10983-17-hch@lst.de>
Date:   Fri,  1 Feb 2019 09:47:59 +0100
From:   Christoph Hellwig <hch@....de>
To:     John Crispin <john@...ozen.org>, Vinod Koul <vkoul@...nel.org>,
        Dmitry Tarnyagin <dmitry.tarnyagin@...kless.no>,
        Nicolas Ferre <nicolas.ferre@...rochip.com>,
        Sudip Mukherjee <sudipm.mukherjee@...il.com>,
        Felipe Balbi <balbi@...nel.org>, linux-mips@...r.kernel.org,
        linux-kernel@...r.kernel.org, dmaengine@...r.kernel.org,
        netdev@...r.kernel.org, linux-usb@...r.kernel.org,
        linux-fbdev@...r.kernel.org, alsa-devel@...a-project.org
Cc:     iommu@...ts.linux-foundation.org
Subject: [PATCH 16/18] pxa3xx-gcu: pass struct device to dma_mmap_coherent

Just like we do for all other DMA operations.

Signed-off-by: Christoph Hellwig <hch@....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);
 
-- 
2.20.1