X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=arch%2Fx86%2Fkernel%2Fi8259_32.c;h=fe631967d6255e3f27a675346f23359153a95299;hb=a1a33fa315b8a5a390f1132681485209500ff5b5;hp=f634fc715c99b455d3973645d4d16c3a80e13361;hpb=60812a4a99b796d894d2522dc63cb0fafc3be25e;p=linux-2.6 diff --git a/arch/x86/kernel/i8259_32.c b/arch/x86/kernel/i8259_32.c index f634fc715c..fe631967d6 100644 --- a/arch/x86/kernel/i8259_32.c +++ b/arch/x86/kernel/i8259_32.c @@ -21,15 +21,11 @@ #include #include -#include - /* * This is the 'legacy' 8259A Programmable Interrupt Controller, * present in the majority of PC/AT boxes. * plus some generic x86 specific things if generic specifics makes * any sense at all. - * this file should become arch/i386/kernel/irq.c when the old irq.c - * moves to arch independent land */ static int i8259A_auto_eoi; @@ -258,7 +254,7 @@ static int i8259A_shutdown(struct sys_device *dev) } static struct sysdev_class i8259_sysdev_class = { - set_kset_name("i8259"), + .name = "i8259", .suspend = i8259A_suspend, .resume = i8259A_resume, .shutdown = i8259A_shutdown, @@ -291,20 +287,20 @@ void init_8259A(int auto_eoi) outb(0xff, PIC_SLAVE_IMR); /* mask all of 8259A-2 */ /* - * outb_p - this has to work on a wide range of PC hardware. + * outb_pic - this has to work on a wide range of PC hardware. */ - outb_p(0x11, PIC_MASTER_CMD); /* ICW1: select 8259A-1 init */ - outb_p(0x20 + 0, PIC_MASTER_IMR); /* ICW2: 8259A-1 IR0-7 mapped to 0x20-0x27 */ - outb_p(1U << PIC_CASCADE_IR, PIC_MASTER_IMR); /* 8259A-1 (the master) has a slave on IR2 */ + outb_pic(0x11, PIC_MASTER_CMD); /* ICW1: select 8259A-1 init */ + outb_pic(0x20 + 0, PIC_MASTER_IMR); /* ICW2: 8259A-1 IR0-7 mapped to 0x20-0x27 */ + outb_pic(1U << PIC_CASCADE_IR, PIC_MASTER_IMR); /* 8259A-1 (the master) has a slave on IR2 */ if (auto_eoi) /* master does Auto EOI */ - outb_p(MASTER_ICW4_DEFAULT | PIC_ICW4_AEOI, PIC_MASTER_IMR); + outb_pic(MASTER_ICW4_DEFAULT | PIC_ICW4_AEOI, PIC_MASTER_IMR); else /* master expects normal EOI */ - outb_p(MASTER_ICW4_DEFAULT, PIC_MASTER_IMR); + outb_pic(MASTER_ICW4_DEFAULT, PIC_MASTER_IMR); - outb_p(0x11, PIC_SLAVE_CMD); /* ICW1: select 8259A-2 init */ - outb_p(0x20 + 8, PIC_SLAVE_IMR); /* ICW2: 8259A-2 IR0-7 mapped to 0x28-0x2f */ - outb_p(PIC_CASCADE_IR, PIC_SLAVE_IMR); /* 8259A-2 is a slave on master's IR2 */ - outb_p(SLAVE_ICW4_DEFAULT, PIC_SLAVE_IMR); /* (slave's support for AEOI in flat mode is to be investigated) */ + outb_pic(0x11, PIC_SLAVE_CMD); /* ICW1: select 8259A-2 init */ + outb_pic(0x20 + 8, PIC_SLAVE_IMR); /* ICW2: 8259A-2 IR0-7 mapped to 0x28-0x2f */ + outb_pic(PIC_CASCADE_IR, PIC_SLAVE_IMR); /* 8259A-2 is a slave on master's IR2 */ + outb_pic(SLAVE_ICW4_DEFAULT, PIC_SLAVE_IMR); /* (slave's support for AEOI in flat mode is to be investigated) */ if (auto_eoi) /* * In AEOI mode we just have to mask the interrupt @@ -341,7 +337,7 @@ static irqreturn_t math_error_irq(int cpl, void *dev_id) outb(0,0xF0); if (ignore_fpu_irq || !boot_cpu_data.hard_math) return IRQ_NONE; - math_error((void __user *)get_irq_regs()->eip); + math_error((void __user *)get_irq_regs()->ip); return IRQ_HANDLED; } @@ -364,23 +360,12 @@ void __init init_ISA_irqs (void) #endif init_8259A(0); - for (i = 0; i < NR_IRQS; i++) { - irq_desc[i].status = IRQ_DISABLED; - irq_desc[i].action = NULL; - irq_desc[i].depth = 1; - - if (i < 16) { - /* - * 16 old-style INTA-cycle interrupts: - */ - set_irq_chip_and_handler_name(i, &i8259A_chip, - handle_level_irq, "XT"); - } else { - /* - * 'high' PCI IRQs filled in on demand - */ - irq_desc[i].chip = &no_irq_chip; - } + /* + * 16 old-style INTA-cycle interrupts: + */ + for (i = 0; i < 16; i++) { + set_irq_chip_and_handler_name(i, &i8259A_chip, + handle_level_irq, "XT"); } }