diff options
Diffstat (limited to 'arch/arm/mach-lpc32xx/irq.c')
| -rw-r--r-- | arch/arm/mach-lpc32xx/irq.c | 23 |
1 files changed, 5 insertions, 18 deletions
diff --git a/arch/arm/mach-lpc32xx/irq.c b/arch/arm/mach-lpc32xx/irq.c index 3c633275335..9ecb8f9c4ef 100644 --- a/arch/arm/mach-lpc32xx/irq.c +++ b/arch/arm/mach-lpc32xx/irq.c @@ -412,7 +412,6 @@ static const struct of_device_id mic_of_match[] __initconst = { void __init lpc32xx_init_irq(void) { unsigned int i; - int irq_base; /* Setup MIC */ __raw_writel(0, LPC32XX_INTC_MASK(LPC32XX_MIC_BASE)); @@ -443,15 +442,6 @@ void __init lpc32xx_init_irq(void) lpc32xx_set_default_mappings(SIC1_APR_DEFAULT, SIC1_ATR_DEFAULT, 32); lpc32xx_set_default_mappings(SIC2_APR_DEFAULT, SIC2_ATR_DEFAULT, 64); - /* mask all interrupts except SUBIRQ */ - __raw_writel(0, LPC32XX_INTC_MASK(LPC32XX_MIC_BASE)); - __raw_writel(0, LPC32XX_INTC_MASK(LPC32XX_SIC1_BASE)); - __raw_writel(0, LPC32XX_INTC_MASK(LPC32XX_SIC2_BASE)); - - /* MIC SUBIRQx interrupts will route handling to the chain handlers */ - irq_set_chained_handler(IRQ_LPC32XX_SUB1IRQ, lpc32xx_sic1_handler); - irq_set_chained_handler(IRQ_LPC32XX_SUB2IRQ, lpc32xx_sic2_handler); - /* Initially disable all wake events */ __raw_writel(0, LPC32XX_CLKPWR_P01_ER); __raw_writel(0, LPC32XX_CLKPWR_INT_ER); @@ -475,16 +465,13 @@ void __init lpc32xx_init_irq(void) of_irq_init(mic_of_match); - irq_base = irq_alloc_descs(-1, 0, NR_IRQS, 0); - if (irq_base < 0) { - pr_warn("Cannot allocate irq_descs, assuming pre-allocated\n"); - irq_base = 0; - } - lpc32xx_mic_domain = irq_domain_add_legacy(lpc32xx_mic_np, NR_IRQS, - irq_base, 0, - &irq_domain_simple_ops, + 0, 0, &irq_domain_simple_ops, NULL); if (!lpc32xx_mic_domain) panic("Unable to add MIC irq domain\n"); + + /* MIC SUBIRQx interrupts will route handling to the chain handlers */ + irq_set_chained_handler(IRQ_LPC32XX_SUB1IRQ, lpc32xx_sic1_handler); + irq_set_chained_handler(IRQ_LPC32XX_SUB2IRQ, lpc32xx_sic2_handler); } |