diff options
| author | Geert Uytterhoeven <geert@linux-m68k.org> | 2011-08-18 12:45:57 (GMT) |
|---|---|---|
| committer | Geert Uytterhoeven <geert@linux-m68k.org> | 2011-11-08 21:35:51 (GMT) |
| commit | bc7485acd09405d9544783d773ee040af4a5c861 (patch) | |
| tree | 8b5af62f51483e99a79a97c11a48f06b08a93b35 | |
| parent | 6c490c4da4642ec9e7569c8b50a98a22c71ad184 (diff) | |
| download | linux-bc7485acd09405d9544783d773ee040af4a5c861.tar.xz | |
m68k/apollo: Convert Apollo to genirq
Replace the custom user vector interrupt handler that calls do_IRQ() and
does an EOI by handle_fasteoi_irq().
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Peter De Schrijver <p2@debian.org>
| -rw-r--r-- | arch/m68k/Kconfig | 1 | ||||
| -rw-r--r-- | arch/m68k/apollo/dn_ints.c | 25 |
2 files changed, 23 insertions, 3 deletions
diff --git a/arch/m68k/Kconfig b/arch/m68k/Kconfig index 8ae37a8..f2dc708 100644 --- a/arch/m68k/Kconfig +++ b/arch/m68k/Kconfig @@ -87,7 +87,6 @@ config MMU_SUN3 config USE_GENERIC_HARDIRQS bool "Use genirq" depends on MMU - depends on !APOLLO depends on !SUN3X depends on !Q40 depends on !SUN3 diff --git a/arch/m68k/apollo/dn_ints.c b/arch/m68k/apollo/dn_ints.c index 4b76431..fc190b3 100644 --- a/arch/m68k/apollo/dn_ints.c +++ b/arch/m68k/apollo/dn_ints.c @@ -1,9 +1,14 @@ #include <linux/interrupt.h> - +#ifdef CONFIG_GENERIC_HARDIRQS +#include <linux/irq.h> +#else #include <asm/irq.h> +#endif + #include <asm/traps.h> #include <asm/apollohw.h> +#ifndef CONFIG_GENERIC_HARDIRQS void dn_process_int(unsigned int irq, struct pt_regs *fp) { do_IRQ(irq, fp); @@ -11,6 +16,7 @@ void dn_process_int(unsigned int irq, struct pt_regs *fp) *(volatile unsigned char *)(pica)=0x20; *(volatile unsigned char *)(picb)=0x20; } +#endif unsigned int apollo_irq_startup(struct irq_data *data) { @@ -33,16 +39,31 @@ void apollo_irq_shutdown(struct irq_data *data) *(volatile unsigned char *)(picb+1) |= (1 << (irq - 8)); } +#ifdef CONFIG_GENERIC_HARDIRQS +void apollo_irq_eoi(struct irq_data *data) +{ + *(volatile unsigned char *)(pica) = 0x20; + *(volatile unsigned char *)(picb) = 0x20; +} +#endif + static struct irq_chip apollo_irq_chip = { .name = "apollo", .irq_startup = apollo_irq_startup, .irq_shutdown = apollo_irq_shutdown, +#ifdef CONFIG_GENERIC_HARDIRQS + .irq_eoi = apollo_irq_eoi, +#endif }; void __init dn_init_IRQ(void) { +#ifdef CONFIG_GENERIC_HARDIRQS + m68k_setup_user_interrupt(VEC_USER + 96, 16, NULL); +#else m68k_setup_user_interrupt(VEC_USER + 96, 16, dn_process_int); - m68k_setup_irq_controller(&apollo_irq_chip, handle_simple_irq, +#endif + m68k_setup_irq_controller(&apollo_irq_chip, handle_fasteoi_irq, IRQ_APOLLO, 16); } |