parisc: ->mapping_error
DMA_ERROR_CODE already went away in linux-next, but parisc unfortunately
added a new instance of it without any review as far as I can tell.
Move the two iommu drivers to report errors through ->mapping_error.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Helge Deller <deller@gmx.de>
diff --git a/drivers/parisc/sba_iommu.c b/drivers/parisc/sba_iommu.c
index 87ad5fd..4086f79 100644
--- a/drivers/parisc/sba_iommu.c
+++ b/drivers/parisc/sba_iommu.c
@@ -93,6 +93,8 @@
#define DEFAULT_DMA_HINT_REG 0
+#define SBA_MAPPING_ERROR (~(dma_addr_t)0)
+
struct sba_device *sba_list;
EXPORT_SYMBOL_GPL(sba_list);
@@ -725,7 +727,7 @@
ioc = GET_IOC(dev);
if (!ioc)
- return DMA_ERROR_CODE;
+ return SBA_MAPPING_ERROR;
/* save offset bits */
offset = ((dma_addr_t) (long) addr) & ~IOVP_MASK;
@@ -1083,6 +1085,11 @@
}
+static int sba_mapping_error(struct device *dev, dma_addr_t dma_addr)
+{
+ return dma_addr == SBA_MAPPING_ERROR;
+}
+
static const struct dma_map_ops sba_ops = {
.dma_supported = sba_dma_supported,
.alloc = sba_alloc,
@@ -1091,6 +1098,7 @@
.unmap_page = sba_unmap_page,
.map_sg = sba_map_sg,
.unmap_sg = sba_unmap_sg,
+ .mapping_error = sba_mapping_error,
};