Merge master.kernel.org:/pub/scm/linux/kernel/git/sfrench/cifs-2.6

[pandora-kernel.git] / drivers / ide / pci / atiixp.c

diff --git a/drivers/ide/pci/atiixp.c b/drivers/ide/pci/atiixp.c
index 982ac31..2d48af3 100644 (file)
--- a/drivers/ide/pci/atiixp.c
+++ b/drivers/ide/pci/atiixp.c
@@ -101,7 +101,7 @@ static u8 atiixp_dma_2_pio(u8 xfer_rate) {
        }
 }
 
-static int atiixp_ide_dma_host_on(ide_drive_t *drive)
+static void atiixp_dma_host_on(ide_drive_t *drive)
 {
        struct pci_dev *dev = drive->hwif->pci_dev;
        unsigned long flags;
@@ -118,10 +118,10 @@ static int atiixp_ide_dma_host_on(ide_drive_t *drive)
 
        spin_unlock_irqrestore(&atiixp_lock, flags);
 
-       return __ide_dma_host_on(drive);
+       ide_dma_host_on(drive);
 }
 
-static int atiixp_ide_dma_host_off(ide_drive_t *drive)
+static void atiixp_dma_host_off(ide_drive_t *drive)
 {
        struct pci_dev *dev = drive->hwif->pci_dev;
        unsigned long flags;
@@ -135,7 +135,7 @@ static int atiixp_ide_dma_host_off(ide_drive_t *drive)
 
        spin_unlock_irqrestore(&atiixp_lock, flags);
 
-       return __ide_dma_host_off(drive);
+       ide_dma_host_off(drive);
 }
 
 /**
@@ -235,11 +235,8 @@ static int atiixp_config_drive_for_dma(ide_drive_t *drive)
 {
        u8 speed = ide_dma_speed(drive, atiixp_ratemask(drive));
 
-       /* If no DMA speed was available then disable DMA and use PIO. */
-       if (!speed) {
-               u8 tspeed = ide_get_best_pio_mode(drive, 255, 5, NULL);
-               speed = atiixp_dma_2_pio(XFER_PIO_0 + tspeed) + XFER_PIO_0;
-       }
+       if (!speed)
+               return 0;
 
        (void) atiixp_speedproc(drive, speed);
        return ide_dma_enable(drive);
@@ -255,30 +252,20 @@ static int atiixp_config_drive_for_dma(ide_drive_t *drive)
 
 static int atiixp_dma_check(ide_drive_t *drive)
 {
-       ide_hwif_t *hwif        = HWIF(drive);
-       struct hd_driveid *id   = drive->id;
        u8 tspeed, speed;
 
        drive->init_speed = 0;
 
-       if ((id->capability & 1) && drive->autodma) {
-
-               if (ide_use_dma(drive)) {
-                       if (atiixp_config_drive_for_dma(drive))
-                               return hwif->ide_dma_on(drive);
-               }
-
-               goto fast_ata_pio;
+       if (ide_use_dma(drive) && atiixp_config_drive_for_dma(drive))
+               return 0;
 
-       } else if ((id->capability & 8) || (id->field_valid & 2)) {
-fast_ata_pio:
+       if (ide_use_fast_pio(drive)) {
                tspeed = ide_get_best_pio_mode(drive, 255, 5, NULL);
                speed = atiixp_dma_2_pio(XFER_PIO_0 + tspeed) + XFER_PIO_0;
-               hwif->speedproc(drive, speed);
-               return hwif->ide_dma_off_quietly(drive);
+               atiixp_speedproc(drive, speed);
        }
-       /* IORDY not supported */
-       return 0;
+
+       return -1;
 }
 
 /**
@@ -318,8 +305,8 @@ static void __devinit init_hwif_atiixp(ide_hwif_t *hwif)
        else
                hwif->udma_four = 0;
 
-       hwif->ide_dma_host_on = &atiixp_ide_dma_host_on;
-       hwif->ide_dma_host_off = &atiixp_ide_dma_host_off;
+       hwif->dma_host_on = &atiixp_dma_host_on;
+       hwif->dma_host_off = &atiixp_dma_host_off;
        hwif->ide_dma_check = &atiixp_dma_check;
        if (!noautodma)
                hwif->autodma = 1;