cb710: use SG_MITER_TO_SG/SG_MITER_FROM_SG

the code allready uses flush_kernel_dcache_page(). This patch updates the
driver to the recent sg API changes which require that either SG_MITER_TO_SG
or SG_MITER_FROM_SG is set. SG_MITER_TO_SG calls flush_kernel_dcache_page()
in sg_mitter_stop()

Signed-off-by: Sebastian Andrzej Siewior <sebastian@breakpoint.cc>
Acked-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: Pierre Ossman <pierre@ossman.eu>

1 files changed, 0 insertions, 4 deletions

diff --git a/drivers/misc/cb710/sgbuf2.c b/drivers/misc/cb710/sgbuf2.c
index d38a7acdb6ec..d019746551f3 100644
--- a/drivers/misc/cb710/sgbuf2.c
+++ b/drivers/misc/cb710/sgbuf2.c
@@ -114,7 +114,6 @@ static void sg_dwiter_write_slow(struct sg_mapping_iter *miter, uint32_t data)
                 if (!left)
                         return;
                 addr += len;
-                flush_kernel_dcache_page(miter->page);
         } while (sg_dwiter_next(miter));
 }
 
@@ -142,9 +141,6 @@ void cb710_sg_dwiter_write_next_block(struct sg_mapping_iter *miter, uint32_t da
                         return;
         } else
                 sg_dwiter_write_slow(miter, data);
-
-        if (miter->length == miter->consumed)
-                flush_kernel_dcache_page(miter->page);
 }
 EXPORT_SYMBOL_GPL(cb710_sg_dwiter_write_next_block);