Jason Gunthorpe d901b2760d lib/scatterlist: Provide a DMA page iterator ... Commit 2db76d7c3c ("lib/scatterlist: sg_page_iter: support sg lists w/o backing pages") introduced the sg_page_iter_dma_address() function without providing a way to use it in the general case. If the sg_dma_len() is not equal to the sg length callers cannot safely use the for_each_sg_page/sg_page_iter_dma_address combination. Resolve this API mistake by providing a DMA specific iterator, for_each_sg_dma_page(), that uses the right length so sg_page_iter_dma_address() works as expected with all sglists. A new iterator type is introduced to provide compile-time safety against wrongly mixing accessors and iterators. Acked-by: Christoph Hellwig <hch@lst.de> (for scatterlist) Acked-by: Thomas Hellstrom <thellstrom@vmware.com> Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com> (ipu3-cio2) Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>		2019-02-11 15:02:33 -07:00
..
ipu3-cio2.c	lib/scatterlist: Provide a DMA page iterator	2019-02-11 15:02:33 -07:00
ipu3-cio2.h	media: intel-ipu3: cio2: Remove redundant definitions	2018-11-06 07:12:23 -05:00
Kconfig	media: Remove depends on HAS_DMA in case of platform dependency	2018-05-28 16:17:08 -04:00
Makefile