]> pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - drivers/ide/icside.c
ide-cd: use common completion path for DMA requests in cdrom_newpc_intr()
[linux-2.6-omap-h63xx.git] / drivers / ide / icside.c
index 415d7e24f2b64784c0d8c887958777bea150078a..51ce404fe53234b976cf851dd0b482c5200302b9 100644 (file)
@@ -307,15 +307,14 @@ static void icside_dma_start(ide_drive_t *drive)
        enable_dma(ec->dma);
 }
 
-static int icside_dma_setup(ide_drive_t *drive)
+static int icside_dma_setup(ide_drive_t *drive, struct ide_cmd *cmd)
 {
        ide_hwif_t *hwif = drive->hwif;
        struct expansion_card *ec = ECARD_DEV(hwif->dev);
        struct icside_state *state = ecard_get_drvdata(ec);
-       struct request *rq = hwif->rq;
        unsigned int dma_mode;
 
-       if (rq_data_dir(rq))
+       if (cmd->tf_flags & IDE_TFLAG_WRITE)
                dma_mode = DMA_MODE_WRITE;
        else
                dma_mode = DMA_MODE_READ;
@@ -325,8 +324,6 @@ static int icside_dma_setup(ide_drive_t *drive)
         */
        BUG_ON(dma_channel_active(ec->dma));
 
-       hwif->sg_nents = ide_build_sglist(drive, rq);
-
        /*
         * Ensure that we have the right interrupt routed.
         */
@@ -346,7 +343,7 @@ static int icside_dma_setup(ide_drive_t *drive)
         * Tell the DMA engine about the SG table and
         * data direction.
         */
-       set_dma_sg(ec->dma, hwif->sg_table, hwif->sg_nents);
+       set_dma_sg(ec->dma, hwif->sg_table, cmd->sg_nents);
        set_dma_mode(ec->dma, dma_mode);
 
        drive->waiting_for_dma = 1;
@@ -354,12 +351,6 @@ static int icside_dma_setup(ide_drive_t *drive)
        return 0;
 }
 
-static void icside_dma_exec_cmd(ide_drive_t *drive, u8 cmd)
-{
-       /* issue cmd to drive */
-       ide_execute_command(drive, cmd, ide_dma_intr, 2 * WAIT_CMD, NULL);
-}
-
 static int icside_dma_test_irq(ide_drive_t *drive)
 {
        ide_hwif_t *hwif = drive->hwif;
@@ -383,7 +374,6 @@ static int icside_dma_init(ide_hwif_t *hwif, const struct ide_port_info *d)
 static const struct ide_dma_ops icside_v6_dma_ops = {
        .dma_host_set           = icside_dma_host_set,
        .dma_setup              = icside_dma_setup,
-       .dma_exec_cmd           = icside_dma_exec_cmd,
        .dma_start              = icside_dma_start,
        .dma_end                = icside_dma_end,
        .dma_test_irq           = icside_dma_test_irq,
@@ -419,6 +409,10 @@ static void icside_setup_ports(hw_regs_t *hw, void __iomem *base,
        hw->chipset = ide_acorn;
 }
 
+static const struct ide_port_info icside_v5_port_info = {
+       .host_flags             = IDE_HFLAG_NO_DMA,
+};
+
 static int __devinit
 icside_register_v5(struct icside_state *state, struct expansion_card *ec)
 {
@@ -445,7 +439,7 @@ icside_register_v5(struct icside_state *state, struct expansion_card *ec)
 
        icside_setup_ports(&hw, base, &icside_cardinfo_v5, ec);
 
-       host = ide_host_alloc(NULL, hws);
+       host = ide_host_alloc(&icside_v5_port_info, hws);
        if (host == NULL)
                return -ENODEV;
 
@@ -453,7 +447,7 @@ icside_register_v5(struct icside_state *state, struct expansion_card *ec)
 
        ecard_set_drvdata(ec, state);
 
-       ret = ide_host_register(host, NULL, hws);
+       ret = ide_host_register(host, &icside_v5_port_info, hws);
        if (ret)
                goto err_free;