diff options
Diffstat (limited to 'arch/powerpc/sysdev/fsl_mpic_err.c')
| -rw-r--r-- | arch/powerpc/sysdev/fsl_mpic_err.c | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/arch/powerpc/sysdev/fsl_mpic_err.c b/arch/powerpc/sysdev/fsl_mpic_err.c index 13583bbc3e8e..df06bb6b838f 100644 --- a/arch/powerpc/sysdev/fsl_mpic_err.c +++ b/arch/powerpc/sysdev/fsl_mpic_err.c @@ -8,6 +8,7 @@ #include <linux/irq.h> #include <linux/smp.h> #include <linux/interrupt.h> +#include <linux/irqdomain.h> #include <asm/io.h> #include <asm/irq.h> @@ -57,7 +58,7 @@ static struct irq_chip fsl_mpic_err_chip = { .irq_unmask = fsl_mpic_unmask_err, }; -int mpic_setup_error_int(struct mpic *mpic, int intvec) +int __init mpic_setup_error_int(struct mpic *mpic, int intvec) { int i; @@ -98,7 +99,6 @@ static irqreturn_t fsl_error_int_handler(int irq, void *data) struct mpic *mpic = (struct mpic *) data; u32 eisr, eimr; int errint; - unsigned int cascade_irq; eisr = mpic_fsl_err_read(mpic->err_regs, MPIC_ERR_INT_EISR); eimr = mpic_fsl_err_read(mpic->err_regs, MPIC_ERR_INT_EIMR); @@ -107,13 +107,11 @@ static irqreturn_t fsl_error_int_handler(int irq, void *data) return IRQ_NONE; while (eisr) { + int ret; errint = __builtin_clz(eisr); - cascade_irq = irq_linear_revmap(mpic->irqhost, - mpic->err_int_vecs[errint]); - WARN_ON(!cascade_irq); - if (cascade_irq) { - generic_handle_irq(cascade_irq); - } else { + ret = generic_handle_domain_irq(mpic->irqhost, + mpic->err_int_vecs[errint]); + if (WARN_ON(ret)) { eimr |= 1 << (31 - errint); mpic_fsl_err_write(mpic->err_regs, eimr); } @@ -123,7 +121,7 @@ static irqreturn_t fsl_error_int_handler(int irq, void *data) return IRQ_HANDLED; } -void mpic_err_int_init(struct mpic *mpic, irq_hw_number_t irqnum) +void __init mpic_err_int_init(struct mpic *mpic, irq_hw_number_t irqnum) { unsigned int virq; int ret; |