ide: Requeue request after DMA timeout

[safe/jmp/linux-2.6] / drivers / ide / sc1200.c

diff --git a/drivers/ide/sc1200.c b/drivers/ide/sc1200.c
index ec7f766..134f1fd 100644 (file)
--- a/drivers/ide/sc1200.c
+++ b/drivers/ide/sc1200.c
@@ -115,21 +115,20 @@ static u8 sc1200_udma_filter(ide_drive_t *drive)
                if ((mateid[ATA_ID_FIELD_VALID] & 4) &&
                    (mateid[ATA_ID_UDMA_MODES] & 7))
                        goto out;
-               if ((mateid[ATA_ID_FIELD_VALID] & 2) &&
-                   (mateid[ATA_ID_MWDMA_MODES] & 7))
+               if (mateid[ATA_ID_MWDMA_MODES] & 7)
                        mask = 0;
        }
 out:
        return mask;
 }
 
-static void sc1200_set_dma_mode(ide_drive_t *drive, const u8 mode)
+static void sc1200_set_dma_mode(ide_hwif_t *hwif, ide_drive_t *drive)
 {
-       ide_hwif_t              *hwif = HWIF(drive);
        struct pci_dev          *dev = to_pci_dev(hwif->dev);
        unsigned int            reg, timings;
        unsigned short          pci_clock;
        unsigned int            basereg = hwif->channel ? 0x50 : 0x40;
+       const u8                mode = drive->dma_mode;
 
        static const u32 udma_timing[3][3] = {
                { 0x00921250, 0x00911140, 0x00911030 },
@@ -170,9 +169,9 @@ static void sc1200_set_dma_mode(ide_drive_t *drive, const u8 mode)
  */
 static int sc1200_dma_end(ide_drive_t *drive)
 {
-       ide_hwif_t *hwif = HWIF(drive);
+       ide_hwif_t *hwif = drive->hwif;
        unsigned long dma_base = hwif->dma_base;
-       byte dma_stat;
+       u8 dma_stat;
 
        dma_stat = inb(dma_base+2);             /* get DMA status */
 
@@ -183,9 +182,6 @@ static int sc1200_dma_end(ide_drive_t *drive)
        outb(dma_stat|0x1b, dma_base+2);        /* clear the INTR & ERROR bits */
        outb(inb(dma_base)&~1, dma_base);       /* !! DO THIS HERE !! stop DMA */
 
-       drive->waiting_for_dma = 0;
-       ide_destroy_dmatable(drive);            /* purge DMA mappings */
-
        return (dma_stat & 7) != 4;             /* verify good DMA status */
 }
 
@@ -197,10 +193,10 @@ static int sc1200_dma_end(ide_drive_t *drive)
  * will have valid default PIO timings set up before we get here.
  */
 
-static void sc1200_set_pio_mode(ide_drive_t *drive, const u8 pio)
+static void sc1200_set_pio_mode(ide_hwif_t *hwif, ide_drive_t *drive)
 {
-       ide_hwif_t      *hwif = HWIF(drive);
        int             mode = -1;
+       const u8        pio = drive->pio_mode - XFER_PIO_0;
 
        /*
         * bad abuse of ->set_pio_mode interface
@@ -286,12 +282,12 @@ static const struct ide_port_ops sc1200_port_ops = {
 static const struct ide_dma_ops sc1200_dma_ops = {
        .dma_host_set           = ide_dma_host_set,
        .dma_setup              = ide_dma_setup,
-       .dma_exec_cmd           = ide_dma_exec_cmd,
        .dma_start              = ide_dma_start,
        .dma_end                = sc1200_dma_end,
        .dma_test_irq           = ide_dma_test_irq,
        .dma_lost_irq           = ide_dma_lost_irq,
-       .dma_timeout            = ide_dma_timeout,
+       .dma_timer_expiry       = ide_dma_sff_timer_expiry,
+       .dma_sff_read_status    = ide_dma_sff_read_status,
 };
 
 static const struct ide_port_info sc1200_chipset __devinitdata = {