diff options
Diffstat (limited to 'drivers/ide')
| -rw-r--r-- | drivers/ide/ppc/pmac.c | 39 |
1 files changed, 5 insertions, 34 deletions
diff --git a/drivers/ide/ppc/pmac.c b/drivers/ide/ppc/pmac.c index 5b083700d88..7f2ce6195d1 100644 --- a/drivers/ide/ppc/pmac.c +++ b/drivers/ide/ppc/pmac.c @@ -430,9 +430,6 @@ pmac_ide_selectproc(ide_drive_t *drive) pmac_ide_hwif_t *pmif = (pmac_ide_hwif_t *)dev_get_drvdata(hwif->gendev.parent); - if (pmif == NULL) - return; - if (drive->dn & 1) writel(pmif->timings[1], PMAC_IDE_REG(IDE_TIMING_CONFIG)); else @@ -452,9 +449,6 @@ pmac_ide_kauai_selectproc(ide_drive_t *drive) pmac_ide_hwif_t *pmif = (pmac_ide_hwif_t *)dev_get_drvdata(hwif->gendev.parent); - if (pmif == NULL) - return; - if (drive->dn & 1) { writel(pmif->timings[1], PMAC_IDE_REG(IDE_KAUAI_PIO_CONFIG)); writel(pmif->timings[3], PMAC_IDE_REG(IDE_KAUAI_ULTRA_CONFIG)); @@ -475,9 +469,6 @@ pmac_ide_do_update_timings(ide_drive_t *drive) pmac_ide_hwif_t *pmif = (pmac_ide_hwif_t *)dev_get_drvdata(hwif->gendev.parent); - if (pmif == NULL) - return; - if (pmif->kind == controller_sh_ata6 || pmif->kind == controller_un_ata6 || pmif->kind == controller_k2_ata6) @@ -524,9 +515,6 @@ pmac_ide_set_pio_mode(ide_drive_t *drive, const u8 pio) unsigned accessTime, recTime; unsigned int cycle_time; - if (pmif == NULL) - return; - /* which drive is it ? */ timings = &pmif->timings[drive->dn & 1]; t = *timings; @@ -1558,11 +1546,7 @@ pmac_ide_dma_setup(ide_drive_t *drive) pmac_ide_hwif_t *pmif = (pmac_ide_hwif_t *)dev_get_drvdata(hwif->gendev.parent); struct request *rq = HWGROUP(drive)->rq; - u8 unit = drive->dn & 1, ata4; - - if (pmif == NULL) - return 1; - ata4 = (pmif->kind == controller_kl_ata4); + u8 unit = drive->dn & 1, ata4 = (pmif->kind == controller_kl_ata4); if (!pmac_ide_build_dmatable(drive, rq)) { ide_map_sg(drive, rq); @@ -1616,12 +1600,8 @@ pmac_ide_dma_end (ide_drive_t *drive) ide_hwif_t *hwif = drive->hwif; pmac_ide_hwif_t *pmif = (pmac_ide_hwif_t *)dev_get_drvdata(hwif->gendev.parent); - volatile struct dbdma_regs __iomem *dma; + volatile struct dbdma_regs __iomem *dma = pmif->dma_regs; u32 dstat; - - if (pmif == NULL) - return 0; - dma = pmif->dma_regs; drive->waiting_for_dma = 0; dstat = readl(&dma->status); @@ -1646,13 +1626,9 @@ pmac_ide_dma_test_irq (ide_drive_t *drive) ide_hwif_t *hwif = drive->hwif; pmac_ide_hwif_t *pmif = (pmac_ide_hwif_t *)dev_get_drvdata(hwif->gendev.parent); - volatile struct dbdma_regs __iomem *dma; + volatile struct dbdma_regs __iomem *dma = pmif->dma_regs; unsigned long status, timeout; - if (pmif == NULL) - return 0; - dma = pmif->dma_regs; - /* We have to things to deal with here: * * - The dbdma won't stop if the command was started @@ -1705,14 +1681,9 @@ pmac_ide_dma_lost_irq (ide_drive_t *drive) ide_hwif_t *hwif = drive->hwif; pmac_ide_hwif_t *pmif = (pmac_ide_hwif_t *)dev_get_drvdata(hwif->gendev.parent); - volatile struct dbdma_regs __iomem *dma; - unsigned long status; - - if (pmif == NULL) - return; - dma = pmif->dma_regs; + volatile struct dbdma_regs __iomem *dma = pmif->dma_regs; + unsigned long status = readl(&dma->status); - status = readl(&dma->status); printk(KERN_ERR "ide-pmac lost interrupt, dma status: %lx\n", status); } |