[haiku-commits] r37143 - haiku/trunk/src/system/kernel/device_manager

  • From: ingo_weinhold@xxxxxx
  • To: haiku-commits@xxxxxxxxxxxxx
  • Date: Tue, 15 Jun 2010 02:09:51 +0200 (CEST)

Author: bonefish
Date: 2010-06-15 02:09:51 +0200 (Tue, 15 Jun 2010)
New Revision: 37143
Changeset: http://dev.haiku-os.org/changeset/37143/haiku

Modified:
   haiku/trunk/src/system/kernel/device_manager/dma_resources.cpp
Log:
DMAResource::Init(): Also evaluate the device node's B_DMA_LOW_ADDRESS and
B_DMA_HIGH_ADDRESS attributes.


Modified: haiku/trunk/src/system/kernel/device_manager/dma_resources.cpp
===================================================================
--- haiku/trunk/src/system/kernel/device_manager/dma_resources.cpp      
2010-06-15 00:08:27 UTC (rev 37142)
+++ haiku/trunk/src/system/kernel/device_manager/dma_resources.cpp      
2010-06-15 00:09:51 UTC (rev 37143)
@@ -136,6 +136,17 @@
                        B_DMA_MAX_SEGMENT_COUNT, &value, true) == B_OK)
                restrictions.max_segment_count = value;
 
+       uint64 value64;
+       if (gDeviceManagerModule.get_attr_uint64(node,
+                       B_DMA_LOW_ADDRESS, &value64, true) == B_OK) {
+               restrictions.low_address = value64;
+       }
+
+       if (gDeviceManagerModule.get_attr_uint64(node,
+                       B_DMA_HIGH_ADDRESS, &value64, true) == B_OK) {
+               restrictions.high_address = value64;
+       }
+
        return Init(restrictions, blockSize, bufferCount, bounceBufferCount);
 }
 


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  • » [haiku-commits] r37143 - haiku/trunk/src/system/kernel/device_manager - ingo_weinhold