From b907e20508d02462a50c2841da0a5e3883fdab39 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Mon, 3 Dec 2018 11:42:52 +0100 Subject: swiotlb: remove SWIOTLB_MAP_ERROR We can use DMA_MAPPING_ERROR instead, which already maps to the same value. Signed-off-by: Christoph Hellwig Acked-by: Jesper Dangaard Brouer Tested-by: Jesper Dangaard Brouer Tested-by: Tony Luck --- kernel/dma/swiotlb.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'kernel/dma') diff --git a/kernel/dma/swiotlb.c b/kernel/dma/swiotlb.c index ff1ce81bb623..19ba8e473d71 100644 --- a/kernel/dma/swiotlb.c +++ b/kernel/dma/swiotlb.c @@ -526,7 +526,7 @@ not_found: spin_unlock_irqrestore(&io_tlb_lock, flags); if (!(attrs & DMA_ATTR_NO_WARN) && printk_ratelimit()) dev_warn(hwdev, "swiotlb buffer is full (sz: %zd bytes)\n", size); - return SWIOTLB_MAP_ERROR; + return DMA_MAPPING_ERROR; found: spin_unlock_irqrestore(&io_tlb_lock, flags); @@ -637,7 +637,7 @@ static dma_addr_t swiotlb_bounce_page(struct device *dev, phys_addr_t *phys, /* Oh well, have to allocate and map a bounce buffer. */ *phys = swiotlb_tbl_map_single(dev, __phys_to_dma(dev, io_tlb_start), *phys, size, dir, attrs); - if (*phys == SWIOTLB_MAP_ERROR) + if (*phys == DMA_MAPPING_ERROR) return DMA_MAPPING_ERROR; /* Ensure that the address returned is DMA'ble */ -- cgit