diff options
Diffstat (limited to 'drivers/ide/ppc/pmac.c')
| -rw-r--r-- | drivers/ide/ppc/pmac.c | 125 |
1 files changed, 0 insertions, 125 deletions
diff --git a/drivers/ide/ppc/pmac.c b/drivers/ide/ppc/pmac.c index ffca8b63ee79..e8ef3455ec35 100644 --- a/drivers/ide/ppc/pmac.c +++ b/drivers/ide/ppc/pmac.c @@ -421,107 +421,6 @@ static void pmac_ide_kauai_selectproc(ide_drive_t *drive); #endif /* CONFIG_BLK_DEV_IDEDMA_PMAC */ /* - * Below is the code for blinking the laptop LED along with hard - * disk activity. - */ - -#ifdef CONFIG_BLK_DEV_IDE_PMAC_BLINK - -/* Set to 50ms minimum led-on time (also used to limit frequency - * of requests sent to the PMU - */ -#define PMU_HD_BLINK_TIME (HZ/50) - -static struct adb_request pmu_blink_on, pmu_blink_off; -static spinlock_t pmu_blink_lock; -static unsigned long pmu_blink_stoptime; -static int pmu_blink_ledstate; -static struct timer_list pmu_blink_timer; -static int pmu_ide_blink_enabled; - - -static void -pmu_hd_blink_timeout(unsigned long data) -{ - unsigned long flags; - - spin_lock_irqsave(&pmu_blink_lock, flags); - - /* We may have been triggered again in a racy way, check - * that we really want to switch it off - */ - if (time_after(pmu_blink_stoptime, jiffies)) - goto done; - - /* Previous req. not complete, try 100ms more */ - if (pmu_blink_off.complete == 0) - mod_timer(&pmu_blink_timer, jiffies + PMU_HD_BLINK_TIME); - else if (pmu_blink_ledstate) { - pmu_request(&pmu_blink_off, NULL, 4, 0xee, 4, 0, 0); - pmu_blink_ledstate = 0; - } -done: - spin_unlock_irqrestore(&pmu_blink_lock, flags); -} - -static void -pmu_hd_kick_blink(void *data, int rw) -{ - unsigned long flags; - - pmu_blink_stoptime = jiffies + PMU_HD_BLINK_TIME; - wmb(); - mod_timer(&pmu_blink_timer, pmu_blink_stoptime); - /* Fast path when LED is already ON */ - if (pmu_blink_ledstate == 1) - return; - spin_lock_irqsave(&pmu_blink_lock, flags); - if (pmu_blink_on.complete && !pmu_blink_ledstate) { - pmu_request(&pmu_blink_on, NULL, 4, 0xee, 4, 0, 1); - pmu_blink_ledstate = 1; - } - spin_unlock_irqrestore(&pmu_blink_lock, flags); -} - -static int -pmu_hd_blink_init(void) -{ - struct device_node *dt; - const char *model; - - /* Currently, I only enable this feature on KeyLargo based laptops, - * older laptops may support it (at least heathrow/paddington) but - * I don't feel like loading those venerable old machines with so - * much additional interrupt & PMU activity... - */ - if (pmu_get_model() != PMU_KEYLARGO_BASED) - return 0; - - dt = of_find_node_by_path("/"); - if (dt == NULL) - return 0; - model = (const char *)get_property(dt, "model", NULL); - if (model == NULL) - return 0; - if (strncmp(model, "PowerBook", strlen("PowerBook")) != 0 && - strncmp(model, "iBook", strlen("iBook")) != 0) { - of_node_put(dt); - return 0; - } - of_node_put(dt); - - pmu_blink_on.complete = 1; - pmu_blink_off.complete = 1; - spin_lock_init(&pmu_blink_lock); - init_timer(&pmu_blink_timer); - pmu_blink_timer.function = pmu_hd_blink_timeout; - - return 1; -} - -#endif /* CONFIG_BLK_DEV_IDE_PMAC_BLINK */ - -/* * N.B. this can't be an initfunc, because the media-bay task can * call ide_[un]register at any time. */ @@ -1192,23 +1091,6 @@ pmac_ide_do_suspend(ide_hwif_t *hwif) pmif->timings[0] = 0; pmif->timings[1] = 0; -#ifdef CONFIG_BLK_DEV_IDE_PMAC_BLINK - /* Note: This code will be called for every hwif, thus we'll - * try several time to stop the LED blinker timer, but that - * should be harmless - */ - if (pmu_ide_blink_enabled) { - unsigned long flags; - - /* Make sure we don't hit the PMU blink */ - spin_lock_irqsave(&pmu_blink_lock, flags); - if (pmu_blink_ledstate) - del_timer(&pmu_blink_timer); - pmu_blink_ledstate = 0; - spin_unlock_irqrestore(&pmu_blink_lock, flags); - } -#endif /* CONFIG_BLK_DEV_IDE_PMAC_BLINK */ - disable_irq(pmif->irq); /* The media bay will handle itself just fine */ @@ -1376,13 +1258,6 @@ pmac_ide_setup_device(pmac_ide_hwif_t *pmif, ide_hwif_t *hwif) hwif->selectproc = pmac_ide_selectproc; hwif->speedproc = pmac_ide_tune_chipset; -#ifdef CONFIG_BLK_DEV_IDE_PMAC_BLINK - pmu_ide_blink_enabled = pmu_hd_blink_init(); - - if (pmu_ide_blink_enabled) - hwif->led_act = pmu_hd_kick_blink; -#endif - printk(KERN_INFO "ide%d: Found Apple %s controller, bus ID %d%s, irq %d\n", hwif->index, model_name[pmif->kind], pmif->aapl_bus_id, pmif->mediabay ? " (mediabay)" : "", hwif->irq); |