diff options
Diffstat (limited to 'drivers/ide/ppc')
| -rw-r--r-- | drivers/ide/ppc/pmac.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/ide/ppc/pmac.c b/drivers/ide/ppc/pmac.c index 7c3a84f8fbed..a0d66480a797 100644 --- a/drivers/ide/ppc/pmac.c +++ b/drivers/ide/ppc/pmac.c @@ -502,6 +502,22 @@ static void pmac_exec_command(ide_hwif_t *hwif, u8 cmd) + IDE_TIMING_CONFIG)); } +static void pmac_set_irq(ide_hwif_t *hwif, int on) +{ + u8 ctl = ATA_DEVCTL_OBS; + + if (on == 4) { /* hack for SRST */ + ctl |= 4; + on &= ~4; + } + + ctl |= on ? 0 : 2; + + writeb(ctl, (void __iomem *)hwif->io_ports.ctl_addr); + (void)readl((void __iomem *)(hwif->io_ports.data_addr + + IDE_TIMING_CONFIG)); +} + /* * Old tuning functions (called on hdparm -p), sets up drive PIO timings */ @@ -1100,6 +1116,7 @@ static int __devinit pmac_ide_setup_device(pmac_ide_hwif_t *pmif, hw_regs_t *hw) return -ENOENT; hwif->exec_command = pmac_exec_command; + hwif->set_irq = pmac_set_irq; /* Setup MMIO ops */ default_hwif_mmiops(hwif); |