[SPARC]: show device name in /proc/dvma_map
This patch will set the device name in a resource, which will be shown
in /proc/dvma_map.
Signed-off-by: Martin Habets <errandir_news@mph.eclipse.co.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc/kernel/ioport.c b/arch/sparc/kernel/ioport.c
index 460f72e..f9ff297 100644
--- a/arch/sparc/kernel/ioport.c
+++ b/arch/sparc/kernel/ioport.c
@@ -274,6 +274,11 @@
if (mmu_map_dma_area(dma_addrp, va, res->start, len_total) != 0)
goto err_noiommu;
+ /* Set the resource name, if known. */
+ if (sdev) {
+ res->name = sdev->prom_name;
+ }
+
return (void *)res->start;
err_noiommu: