diff options
Diffstat (limited to 'arch/mips/sibyte/sb1250/irq.c')
| -rw-r--r-- | arch/mips/sibyte/sb1250/irq.c | 38 |
1 files changed, 11 insertions, 27 deletions
diff --git a/arch/mips/sibyte/sb1250/irq.c b/arch/mips/sibyte/sb1250/irq.c index f853c32f60a0..a451b4c7732d 100644 --- a/arch/mips/sibyte/sb1250/irq.c +++ b/arch/mips/sibyte/sb1250/irq.c @@ -15,7 +15,6 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ -#include <linux/config.h> #include <linux/kernel.h> #include <linux/init.h> #include <linux/linkage.h> @@ -70,7 +69,7 @@ extern char sb1250_duart_present[]; #endif #endif -static struct hw_interrupt_type sb1250_irq_type = { +static struct irq_chip sb1250_irq_type = { .typename = "SB1250-IMR", .startup = startup_sb1250_irq, .shutdown = shutdown_sb1250_irq, @@ -121,7 +120,7 @@ static void sb1250_set_affinity(unsigned int irq, cpumask_t mask) { int i = 0, old_cpu, cpu, int_on; u64 cur_ints; - irq_desc_t *desc = irq_desc + irq; + struct irq_desc *desc = irq_desc + irq; unsigned long flags; i = first_cpu(mask); @@ -246,10 +245,10 @@ void __init init_sb1250_irqs(void) irq_desc[i].action = 0; irq_desc[i].depth = 1; if (i < SB1250_NR_IRQS) { - irq_desc[i].handler = &sb1250_irq_type; + irq_desc[i].chip = &sb1250_irq_type; sb1250_irq_owner[i] = 0; } else { - irq_desc[i].handler = &no_irq_type; + irq_desc[i].chip = &no_irq_chip; } } } @@ -272,7 +271,7 @@ static struct irqaction sb1250_dummy_action = { int sb1250_steal_irq(int irq) { - irq_desc_t *desc = irq_desc + irq; + struct irq_desc *desc = irq_desc + irq; unsigned long flags; int retval = 0; @@ -420,21 +419,6 @@ static void sb1250_kgdb_interrupt(struct pt_regs *regs) #endif /* CONFIG_KGDB */ -static inline int dclz(unsigned long long x) -{ - int lz; - - __asm__ ( - " .set push \n" - " .set mips64 \n" - " dclz %0, %1 \n" - " .set pop \n" - : "=r" (lz) - : "r" (x)); - - return lz; -} - extern void sb1250_timer_interrupt(struct pt_regs *regs); extern void sb1250_mailbox_interrupt(struct pt_regs *regs); extern void sb1250_kgdb_interrupt(struct pt_regs *regs); @@ -461,25 +445,25 @@ asmlinkage void plat_irq_dispatch(struct pt_regs *regs) pending = read_c0_cause(); #ifdef CONFIG_SIBYTE_SB1250_PROF - if (pending & CAUSEF_IP7) { /* Cpu performance counter interrupt */ + if (pending & CAUSEF_IP7) /* Cpu performance counter interrupt */ sbprof_cpu_intr(exception_epc(regs)); - } + else #endif if (pending & CAUSEF_IP4) sb1250_timer_interrupt(regs); #ifdef CONFIG_SMP - if (pending & CAUSEF_IP3) + else if (pending & CAUSEF_IP3) sb1250_mailbox_interrupt(regs); #endif #ifdef CONFIG_KGDB - if (pending & CAUSEF_IP6) /* KGDB (uart 1) */ + else if (pending & CAUSEF_IP6) /* KGDB (uart 1) */ sb1250_kgdb_interrupt(regs); #endif - if (pending & CAUSEF_IP2) { + else if (pending & CAUSEF_IP2) { unsigned long long mask; /* @@ -491,6 +475,6 @@ asmlinkage void plat_irq_dispatch(struct pt_regs *regs) mask = __raw_readq(IOADDR(A_IMR_REGISTER(smp_processor_id(), R_IMR_INTERRUPT_STATUS_BASE))); if (mask) - do_IRQ(63 - dclz(mask), regs); + do_IRQ(fls64(mask) - 1, regs); } } |
