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[PATCH 04/10] iommu/ipmmu-vmsa: IPMMU device is 64-bit bus master

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From Magnus Damm <magnus.damm@gmail.com>
Newsgroups linux.kernel
Subject [PATCH 04/10] iommu/ipmmu-vmsa: IPMMU device is 64-bit bus master
Date Thu, 17 Mar 2016 17:30:04 +0100
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From: Magnus Damm <damm+renesas@opensource.se>

The r8a7795 IPMMU supports 64-bit bus mastering and
coherency for page tables.

Signed-off-by: Magnus Damm <damm+renesas@opensource.se>
---

 drivers/iommu/ipmmu-vmsa.c |    1 +
 1 file changed, 1 insertion(+)

--- 0020/drivers/iommu/ipmmu-vmsa.c
+++ work/drivers/iommu/ipmmu-vmsa.c	2016-03-18 00:22:09.830513000 +0900
@@ -948,6 +948,7 @@ static int ipmmu_probe(struct platform_d
 	mmu->dev = &pdev->dev;
 	mmu->num_utlbs = 32;
 	bitmap_zero(mmu->ctx, IPMMU_CTX_MAX);
+	dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64));
 
 	/* Map I/O memory and request IRQ. */
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);

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Thread

[PATCH 00/10] iommu/ipmmu-vmsa: Initial r8a7795 support Magnus Damm <magnus.damm@gmail.com> - 2016-03-17 17:30 +0100
  [PATCH 09/10] iommu/ipmmu-vmsa: Allow two bit SL0 Magnus Damm <magnus.damm@gmail.com> - 2016-03-17 17:30 +0100
  [PATCH 06/10] iommu/ipmmu-vmsa: Add optional root device feature Magnus Damm <magnus.damm@gmail.com> - 2016-03-17 17:30 +0100
  [PATCH 05/10] iommu/ipmmu-vmsa: Introduce features, break out alias Magnus Damm <magnus.damm@gmail.com> - 2016-03-17 17:30 +0100
  [PATCH 10/10] iommu/ipmmu-vmsa: Hook up r8a7795 DT matching code Magnus Damm <magnus.damm@gmail.com> - 2016-03-17 17:30 +0100
  [PATCH 07/10] iommu/ipmmu-vmsa: Write IMCTR twice Magnus Damm <magnus.damm@gmail.com> - 2016-03-17 17:30 +0100
  [PATCH 01/10] iommu/ipmmu-vmsa: Make use of IOMMU_OF_DECLARE() Magnus Damm <magnus.damm@gmail.com> - 2016-03-17 17:30 +0100
  [PATCH 03/10] iommu/ipmmu-vmsa: Teach xlate() to skip disabled iommus Magnus Damm <magnus.damm@gmail.com> - 2016-03-17 17:30 +0100
    Re: [PATCH 03/10] iommu/ipmmu-vmsa: Teach xlate() to skip disabled iommus Geert Uytterhoeven <geert@linux-m68k.org> - 2016-03-18 10:50 +0100
  [PATCH 08/10] iommu/ipmmu-vmsa: Make IMBUSCTR setup optional Magnus Damm <magnus.damm@gmail.com> - 2016-03-17 17:30 +0100
  [PATCH 04/10] iommu/ipmmu-vmsa: IPMMU device is 64-bit bus master Magnus Damm <magnus.damm@gmail.com> - 2016-03-17 17:30 +0100
  [PATCH 02/10] iommu/ipmmu-vmsa: Enable multi context support Magnus Damm <magnus.damm@gmail.com> - 2016-03-17 17:30 +0100

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