1 files changed, 2 insertions, 15 deletions

diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h
index 0fd4746ee39d..5c58d594126a 100644
--- a/include/scsi/scsi_host.h
+++ b/include/scsi/scsi_host.h
@@ -39,9 +39,6 @@ struct blk_queue_tags;
 #define DISABLE_CLUSTERING 0
 #define ENABLE_CLUSTERING 1
 
-#define DISABLE_SG_CHAINING 0
-#define ENABLE_SG_CHAINING 1
-
 enum scsi_eh_timer_return {
         EH_NOT_HANDLED,
         EH_HANDLED,
@@ -136,9 +133,9 @@ struct scsi_host_template {
          * the done callback is invoked.
          *
          * This is called to inform the LLD to transfer
-         * cmd->request_bufflen bytes. The cmd->use_sg speciefies the
+         * scsi_bufflen(cmd) bytes. scsi_sg_count(cmd) speciefies the
          * number of scatterlist entried in the command and
-         * cmd->request_buffer contains the scatterlist.
+         * scsi_sglist(cmd) returns the scatterlist.
          *
          * return values: see queuecommand
          *
@@ -446,15 +443,6 @@ struct scsi_host_template {
         unsigned ordered_tag:1;
 
         /*
-         * true if the low-level driver can support sg chaining. this
-         * will be removed eventually when all the drivers are
-         * converted to support sg chaining.
-         *
-         * Status: OBSOLETE
-         */
-        unsigned use_sg_chaining:1;
-
-        /*
          * Countdown for host blocking with no commands outstanding
          */
         unsigned int max_host_blocked;
@@ -598,7 +586,6 @@ struct Scsi_Host {
         unsigned unchecked_isa_dma:1;
         unsigned use_clustering:1;
         unsigned use_blk_tcq:1;
-        unsigned use_sg_chaining:1;
 
         /*
          * Host has requested that no further requests come through for the