Author: cognet
Date: Mon Jul 29 21:32:57 2013
New Revision: 253787
URL: http://svnweb.freebsd.org/changeset/base/253787
Log:
Remove useless cache operations.
Modified:
head/sys/arm/arm/busdma_machdep-v6.c
Modified: head/sys/arm/arm/busdma_machdep-v6.c
==============================================================================
--- head/sys/arm/arm/busdma_machdep-v6.c Mon Jul 29 20:58:09 2013
(r253786)
+++ head/sys/arm/arm/busdma_machdep-v6.c Mon Jul 29 21:32:57 2013
(r253787)
@@ -1197,11 +1197,6 @@ _bus_dmamap_sync(bus_dma_tag_t dmat, bus
}
if (op & BUS_DMASYNC_POSTREAD) {
- cpu_dcache_inv_range((vm_offset_t)bpage->vaddr,
- bpage->datacount);
- l2cache_inv_range((vm_offset_t)bpage->vaddr,
- (vm_offset_t)bpage->busaddr,
- bpage->datacount);
while (bpage != NULL) {
vm_offset_t startv;
vm_paddr_t startp;
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