sparc/iommu: create a common helper for map_sg
authorChristoph Hellwig <hch@lst.de>
Tue, 16 Apr 2019 18:23:42 +0000 (20:23 +0200)
committerDavid S. Miller <davem@davemloft.net>
Thu, 9 May 2019 00:11:57 +0000 (17:11 -0700)
commitff5cbec0c3ea8b96c4cb7bcd9f484d8665d394e6
tree5df23ea2fe8418afad051cc005d6592a91563be3
parentf25b23bc156fef3211fe4adf9692eca5ce2fd082
sparc/iommu: create a common helper for map_sg

Share the code for the global and per-page flush map_sg loops using a
simple bool parameter to disable the per-page flush for the former
variant.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reported-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
arch/sparc/mm/iommu.c