lkml.org 
[lkml]   [2012]   [Dec]   [14]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 1/4 v7] iommu/fsl: Store iommu domain information pointer in archdata.
Date
Add a new field in the device (powerpc) archdata structure for storing iommu domain
information pointer. This pointer is stored when the device is attached to a particular
domain.

Signed-off-by: Varun Sethi <Varun.Sethi@freescale.com>
---
- no change in this version
arch/powerpc/include/asm/device.h | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/arch/powerpc/include/asm/device.h b/arch/powerpc/include/asm/device.h
index 77e97dd..6dc79fe 100644
--- a/arch/powerpc/include/asm/device.h
+++ b/arch/powerpc/include/asm/device.h
@@ -28,6 +28,10 @@ struct dev_archdata {
void *iommu_table_base;
} dma_data;

+ /* IOMMU domain information pointer. This would be set
+ * when this device is attached to an iommu_domain.
+ */
+ void *iommu_domain;
#ifdef CONFIG_SWIOTLB
dma_addr_t max_direct_dma_addr;
#endif
--
1.7.4.1



\
 
 \ /
  Last update: 2012-12-14 15:41    [W:0.094 / U:0.656 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site