diff options
| -rw-r--r-- | drivers/mfd/db8500-prcmu.c | 47 |
1 files changed, 35 insertions, 12 deletions
diff --git a/drivers/mfd/db8500-prcmu.c b/drivers/mfd/db8500-prcmu.c index 6fb11b76071e..bac4876d090f 100644 --- a/drivers/mfd/db8500-prcmu.c +++ b/drivers/mfd/db8500-prcmu.c @@ -270,6 +270,8 @@ static struct { struct prcmu_fw_version version; } fw_info; +static struct irq_domain *db8500_irq_domain; + /* * This vector maps irq numbers to the bits in the bit field used in * communication with the PRCMU firmware. @@ -2623,7 +2625,7 @@ static void prcmu_irq_mask(struct irq_data *d) spin_lock_irqsave(&mb0_transfer.dbb_irqs_lock, flags); - mb0_transfer.req.dbb_irqs &= ~prcmu_irq_bit[d->irq - IRQ_PRCMU_BASE]; + mb0_transfer.req.dbb_irqs &= ~prcmu_irq_bit[d->hwirq]; spin_unlock_irqrestore(&mb0_transfer.dbb_irqs_lock, flags); @@ -2637,7 +2639,7 @@ static void prcmu_irq_unmask(struct irq_data *d) spin_lock_irqsave(&mb0_transfer.dbb_irqs_lock, flags); - mb0_transfer.req.dbb_irqs |= prcmu_irq_bit[d->irq - IRQ_PRCMU_BASE]; + mb0_transfer.req.dbb_irqs |= prcmu_irq_bit[d->hwirq]; spin_unlock_irqrestore(&mb0_transfer.dbb_irqs_lock, flags); @@ -2677,9 +2679,37 @@ static char *fw_project_name(u8 project) } } +static int db8500_irq_map(struct irq_domain *d, unsigned int virq, + irq_hw_number_t hwirq) +{ + irq_set_chip_and_handler(virq, &prcmu_irq_chip, + handle_simple_irq); + set_irq_flags(virq, IRQF_VALID); + + return 0; +} + +static struct irq_domain_ops db8500_irq_ops = { + .map = db8500_irq_map, + .xlate = irq_domain_xlate_twocell, +}; + +static int db8500_irq_init(struct device_node *np) +{ + db8500_irq_domain = irq_domain_add_legacy( + np, NUM_PRCMU_WAKEUPS, IRQ_PRCMU_BASE, + 0, &db8500_irq_ops, NULL); + + if (!db8500_irq_domain) { + pr_err("Failed to create irqdomain\n"); + return -ENOSYS; + } + + return 0; +} + void __init db8500_prcmu_early_init(void) { - unsigned int i; if (cpu_is_u8500v2()) { void *tcpm_base = ioremap_nocache(U8500_PRCMU_TCPM_BASE, SZ_4K); @@ -2724,15 +2754,6 @@ void __init db8500_prcmu_early_init(void) INIT_WORK(&mb0_transfer.mask_work, prcmu_mask_work); - /* Initalize irqs. */ - for (i = 0; i < NUM_PRCMU_WAKEUPS; i++) { - unsigned int irq; - - irq = IRQ_PRCMU_BASE + i; - irq_set_chip_and_handler(irq, &prcmu_irq_chip, - handle_simple_irq); - set_irq_flags(irq, IRQF_VALID); - } compute_armss_rate(); } @@ -3040,6 +3061,8 @@ static int __devinit db8500_prcmu_probe(struct platform_device *pdev) goto no_irq_return; } + db8500_irq_init(np); + for (i = 0; i < ARRAY_SIZE(db8500_prcmu_devs); i++) { if (!strcmp(db8500_prcmu_devs[i].name, "ab8500-core")) { db8500_prcmu_devs[i].platform_data = ab8500_platdata; |