Messages in this thread Patch in this message | | | From | Souptick Joarder <> | Subject | [PATCH] swiotlb-zen: Convert to use macro | Date | Mon, 2 Sep 2019 00:58:56 +0530 |
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Rather than using static int max_dma_bits, this can be coverted to use as macro.
Signed-off-by: Souptick Joarder <jrdr.linux@gmail.com> --- drivers/xen/swiotlb-xen.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/xen/swiotlb-xen.c b/drivers/xen/swiotlb-xen.c index ae1df49..d1eced5 100644 --- a/drivers/xen/swiotlb-xen.c +++ b/drivers/xen/swiotlb-xen.c @@ -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 @@ static int is_xen_swiotlb_buffer(dma_addr_t dma_addr) 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; -- 1.9.1
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