[libata] kill ata_sg_is_last()

[mirror_ubuntu-artful-kernel.git] / drivers / ata / pdc_adma.c

diff --git a/drivers/ata/pdc_adma.c b/drivers/ata/pdc_adma.c
index 8d1b03d5bcb1e65d63c5b67121791e8fe1eee77a..199f7e150eb37822f556753f7b7902580926aa3b 100644 (file)
--- a/drivers/ata/pdc_adma.c
+++ b/drivers/ata/pdc_adma.c
@@ -318,7 +318,7 @@ static int adma_fill_sg(struct ata_queued_cmd *qc)
        struct scatterlist *sg;
        struct ata_port *ap = qc->ap;
        struct adma_port_priv *pp = ap->private_data;
-       u8  *buf = pp->pkt;
+       u8  *buf = pp->pkt, *last_buf = NULL;
        int i = (2 + buf[3]) * 8;
        u8 pFLAGS = pORD | ((qc->tf.flags & ATA_TFLAG_WRITE) ? pDIRO : 0);
 
@@ -334,8 +334,7 @@ static int adma_fill_sg(struct ata_queued_cmd *qc)
                *(__le32 *)(buf + i) = cpu_to_le32(len);
                i += 4;
 
-               if (ata_sg_is_last(sg, qc))
-                       pFLAGS |= pEND;
+               last_buf = &buf[i];
                buf[i++] = pFLAGS;
                buf[i++] = qc->dev->dma_mode & 0xf;
                buf[i++] = 0;   /* pPKLW */
@@ -348,6 +347,10 @@ static int adma_fill_sg(struct ata_queued_cmd *qc)
                VPRINTK("PRD[%u] = (0x%lX, 0x%X)\n", i/4,
                                        (unsigned long)addr, len);
        }
+
+       if (likely(last_buf))
+               *last_buf |= pEND;
+
        return i;
 }