diff options
Diffstat (limited to 'arch/powerpc/platforms/8xx/m8xx_setup.c')
| -rw-r--r-- | arch/powerpc/platforms/8xx/m8xx_setup.c | 26 |
1 files changed, 9 insertions, 17 deletions
diff --git a/arch/powerpc/platforms/8xx/m8xx_setup.c b/arch/powerpc/platforms/8xx/m8xx_setup.c index 184f998d1be..587a2828b06 100644 --- a/arch/powerpc/platforms/8xx/m8xx_setup.c +++ b/arch/powerpc/platforms/8xx/m8xx_setup.c @@ -11,7 +11,6 @@ */ #include <linux/kernel.h> -#include <linux/slab.h> #include <linux/interrupt.h> #include <linux/init.h> #include <linux/time.h> @@ -44,7 +43,7 @@ static irqreturn_t timebase_interrupt(int irq, void *dev) static struct irqaction tbint_irqaction = { .handler = timebase_interrupt, - .mask = CPU_MASK_NONE, + .flags = IRQF_NO_THREAD, .name = "tbint", }; @@ -111,17 +110,12 @@ void __init mpc8xx_calibrate_decr(void) /* Processor frequency is MHz. */ - ppc_tb_freq = 50000000; - if (!get_freq("bus-frequency", &ppc_tb_freq)) { - printk(KERN_ERR "WARNING: Estimating decrementer frequency " - "(not found)\n"); - } - ppc_tb_freq /= 16; ppc_proc_freq = 50000000; if (!get_freq("clock-frequency", &ppc_proc_freq)) printk(KERN_ERR "WARNING: Estimating processor frequency " "(not found)\n"); + ppc_tb_freq = ppc_proc_freq / 16; printk("Decrementer Frequency = 0x%lx\n", ppc_tb_freq); /* Perform some more timer/timebase initialization. This used @@ -157,7 +151,7 @@ void __init mpc8xx_calibrate_decr(void) */ cpu = of_find_node_by_type(NULL, "cpu"); virq= irq_of_parse_and_map(cpu, 0); - irq = irq_map[virq].hwirq; + irq = virq_to_hw(virq); sys_tmr2 = immr_map(im_sit); out_be16(&sys_tmr2->sit_tbscr, ((1 << (7 - (irq/2))) << 8) | @@ -225,15 +219,13 @@ void mpc8xx_restart(char *cmd) static void cpm_cascade(unsigned int irq, struct irq_desc *desc) { - int cascade_irq; - - if ((cascade_irq = cpm_get_irq()) >= 0) { - struct irq_desc *cdesc = irq_desc + cascade_irq; + struct irq_chip *chip = irq_desc_get_chip(desc); + int cascade_irq = cpm_get_irq(); + if (cascade_irq >= 0) generic_handle_irq(cascade_irq); - cdesc->chip->eoi(cascade_irq); - } - desc->chip->eoi(irq); + + chip->irq_eoi(&desc->irq_data); } /* Initialize the internal interrupt controllers. The number of @@ -253,5 +245,5 @@ void __init mpc8xx_pics_init(void) irq = cpm_pic_init(); if (irq != NO_IRQ) - set_irq_chained_handler(irq, cpm_cascade); + irq_set_chained_handler(irq, cpm_cascade); } |