IB/ehca: Remove ib_sg_dma_address() and ib_sg_dma_len() overloads

These methods appear to only mimic the sg_dma_address() and
sg_dma_len() behavior.

They can be safely removed.

Suggested-by: Bart Van Assche <bvanassche@acm.org>
Cc: Bart Van Assche <bvanassche@acm.org>
Cc: Hoang-Nam Nguyen <hnguyen@de.ibm.com>
Cc: Christoph Raisch <raisch@de.ibm.com>
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>

diff --git a/drivers/infiniband/hw/ehca/ehca_mrmw.c b/drivers/infiniband/hw/ehca/ehca_mrmw.c
index bcfb0c1..65873ee 100644 (file)
--- a/drivers/infiniband/hw/ehca/ehca_mrmw.c
+++ b/drivers/infiniband/hw/ehca/ehca_mrmw.c
@@ -2591,16 +2591,6 @@ static void ehca_dma_unmap_sg(struct ib_device *dev, struct scatterlist *sg,
        /* This is only a stub; nothing to be done here */
 }
 
-static u64 ehca_dma_address(struct ib_device *dev, struct scatterlist *sg)
-{
-       return sg->dma_address;
-}
-
-static unsigned int ehca_dma_len(struct ib_device *dev, struct scatterlist *sg)
-{
-       return sg->length;
-}
-
 static void ehca_dma_sync_single_for_cpu(struct ib_device *dev, u64 addr,
                                         size_t size,
                                         enum dma_data_direction dir)
@@ -2653,8 +2643,6 @@ struct ib_dma_mapping_ops ehca_dma_mapping_ops = {
        .unmap_page             = ehca_dma_unmap_page,
        .map_sg                 = ehca_dma_map_sg,
        .unmap_sg               = ehca_dma_unmap_sg,
-       .dma_address            = ehca_dma_address,
-       .dma_len                = ehca_dma_len,
        .sync_single_for_cpu    = ehca_dma_sync_single_for_cpu,
        .sync_single_for_device = ehca_dma_sync_single_for_device,
        .alloc_coherent         = ehca_dma_alloc_coherent,