Commit e6fa0dc8 authored by Souptick Joarder's avatar Souptick Joarder Committed by Boris Ostrovsky
Browse files

swiotlb-xen: Convert to use macro



Rather than using static int max_dma_bits, this
can be coverted to use as macro.

Signed-off-by: default avatarSouptick Joarder <jrdr.linux@gmail.com>
Reviewed-by: default avatarJuergen Gross <jgross@suse.com>
Signed-off-by: default avatarBoris Ostrovsky <boris.ostrovsky@oracle.com>
parent 089cf7f6
......@@ -38,6 +38,7 @@
#include <asm/xen/page-coherent.h>
#include <trace/events/swiotlb.h>
#define MAX_DMA_BITS 32
/*
* Used to do a quick range check in swiotlb_tbl_unmap_single and
* swiotlb_tbl_sync_single_*, to see if the memory was in fact allocated by this
......@@ -114,8 +115,6 @@ static int is_xen_swiotlb_buffer(dma_addr_t dma_addr)
return 0;
}
static int max_dma_bits = 32;
static int
xen_swiotlb_fixup(void *buf, size_t size, unsigned long nslabs)
{
......@@ -135,7 +134,7 @@ xen_swiotlb_fixup(void *buf, size_t size, unsigned long nslabs)
p + (i << IO_TLB_SHIFT),
get_order(slabs << IO_TLB_SHIFT),
dma_bits, &dma_handle);
} while (rc && dma_bits++ < max_dma_bits);
} while (rc && dma_bits++ < MAX_DMA_BITS);
if (rc)
return rc;
......
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