1 files changed, 3 insertions, 16 deletions

diff --git a/drivers/ata/pata_icside.c b/drivers/ata/pata_icside.c
index cf9e9848f8b5..d7bc925c524d 100644
--- a/drivers/ata/pata_icside.c
+++ b/drivers/ata/pata_icside.c
@@ -45,8 +45,6 @@ static const struct portinfo pata_icside_portinfo_v6_2 = {
         .stepping       = 6,
 };
 
-#define PATA_ICSIDE_MAX_SG      128
-
 struct pata_icside_state {
         void __iomem *irq_port;
         void __iomem *ioc_base;
@@ -57,7 +55,6 @@ struct pata_icside_state {
                 u8 disabled;
                 unsigned int speed[ATA_MAX_DEVICES];
         } port[2];
-        struct scatterlist sg[PATA_ICSIDE_MAX_SG];
 };
 
 struct pata_icside_info {
@@ -222,9 +219,7 @@ static void pata_icside_bmdma_setup(struct ata_queued_cmd *qc)
 {
         struct ata_port *ap = qc->ap;
         struct pata_icside_state *state = ap->host->private_data;
-        struct scatterlist *sg, *rsg = state->sg;
         unsigned int write = qc->tf.flags & ATA_TFLAG_WRITE;
-        unsigned int si;
 
         /*
          * We are simplex; BUG if we try to fiddle with DMA
@@ -233,20 +228,12 @@ static void pata_icside_bmdma_setup(struct ata_queued_cmd *qc)
         BUG_ON(dma_channel_active(state->dma));
 
         /*
-         * Copy ATAs scattered sg list into a contiguous array of sg
-         */
-        for_each_sg(qc->sg, sg, qc->n_elem, si) {
-                memcpy(rsg, sg, sizeof(*sg));
-                rsg++;
-        }
-
-        /*
          * Route the DMA signals to the correct interface
          */
         writeb(state->port[ap->port_no].port_sel, state->ioc_base);
 
         set_dma_speed(state->dma, state->port[ap->port_no].speed[qc->dev->devno]);
-        set_dma_sg(state->dma, state->sg, rsg - state->sg);
+        set_dma_sg(state->dma, qc->sg, qc->n_elem);
         set_dma_mode(state->dma, write ? DMA_MODE_WRITE : DMA_MODE_READ);
 
         /* issue r/w command */
@@ -306,8 +293,8 @@ static int icside_dma_init(struct pata_icside_info *info)
 
 static struct scsi_host_template pata_icside_sht = {
         ATA_BASE_SHT(DRV_NAME),
-        .sg_tablesize           = PATA_ICSIDE_MAX_SG,
-        .dma_boundary           = ~0, /* no dma boundaries */
+        .sg_tablesize           = SCSI_MAX_SG_CHAIN_SEGMENTS,
+        .dma_boundary           = IOMD_DMA_BOUNDARY,
 };
 
 static void pata_icside_postreset(struct ata_link *link, unsigned int *classes)