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powerpc: Call dma_debug_add_bus for PCI and VIO buses

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The DMA API debug code has hooks to verify all DMA entries have been
freed at time of hot unplug. We need to call dma_debug_add_bus for
this to work.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Anton Blanchard
2012-06-24 18:25:28 +00:00
committed by Benjamin Herrenschmidt
parent 44b372d8a0
commit a980349725
3 changed files with 12 additions and 4 deletions
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10
arch/powerpc/kernel/dma.c
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@@ -11,6 +11,8 @@
#include <linux/gfp.h>
#include <linux/memblock.h>
#include <linux/export.h>
#include <linux/pci.h>
#include <asm/vio.h>
#include <asm/bug.h>
#include <asm/abs_addr.h>
#include <asm/machdep.h>
@@ -205,7 +207,13 @@ EXPORT_SYMBOL_GPL(dma_get_required_mask);
static int __init dma_init(void)
{
dma_debug_init(PREALLOC_DMA_DEBUG_ENTRIES);
dma_debug_init(PREALLOC_DMA_DEBUG_ENTRIES);
#ifdef CONFIG_PCI
dma_debug_add_bus(&pci_bus_type);
#endif
#ifdef CONFIG_IBMVIO
dma_debug_add_bus(&vio_bus_type);
#endif
return 0;
}