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author | Pekka Enberg <penberg@kernel.org> | 2012-01-11 23:11:29 +0400 |
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committer | Pekka Enberg <penberg@kernel.org> | 2012-01-11 23:11:29 +0400 |
commit | 5878cf431ca7233a56819ca6970153ac0b129599 (patch) | |
tree | e5d21d04a0b468d2dabbe3a3824f23b5537fc6a7 /arch/m68k/mac/psc.c | |
parent | 74ee4ef1f901fbb014bdcdc9171d126490ce2b62 (diff) | |
parent | b13683d1cc14d1dd30b8e20f3ebea3f814ad029f (diff) | |
download | linux-5878cf431ca7233a56819ca6970153ac0b129599.tar.xz |
Merge branch 'slab/urgent' into slab/for-linus
Diffstat (limited to 'arch/m68k/mac/psc.c')
-rw-r--r-- | arch/m68k/mac/psc.c | 49 |
1 files changed, 24 insertions, 25 deletions
diff --git a/arch/m68k/mac/psc.c b/arch/m68k/mac/psc.c index a4c3eb60706e..e6c2d20f328d 100644 --- a/arch/m68k/mac/psc.c +++ b/arch/m68k/mac/psc.c @@ -18,6 +18,7 @@ #include <linux/mm.h> #include <linux/delay.h> #include <linux/init.h> +#include <linux/irq.h> #include <asm/traps.h> #include <asm/bootinfo.h> @@ -30,8 +31,6 @@ int psc_present; volatile __u8 *psc; -irqreturn_t psc_irq(int, void *); - /* * Debugging dump, used in various places to see what's going on. */ @@ -112,52 +111,52 @@ void __init psc_init(void) } /* - * Register the PSC interrupt dispatchers for autovector interrupts 3-6. - */ - -void __init psc_register_interrupts(void) -{ - if (request_irq(IRQ_AUTO_3, psc_irq, 0, "psc3", (void *) 0x30)) - pr_err("Couldn't register psc%d interrupt\n", 3); - if (request_irq(IRQ_AUTO_4, psc_irq, 0, "psc4", (void *) 0x40)) - pr_err("Couldn't register psc%d interrupt\n", 4); - if (request_irq(IRQ_AUTO_5, psc_irq, 0, "psc5", (void *) 0x50)) - pr_err("Couldn't register psc%d interrupt\n", 5); - if (request_irq(IRQ_AUTO_6, psc_irq, 0, "psc6", (void *) 0x60)) - pr_err("Couldn't register psc%d interrupt\n", 6); -} - -/* * PSC interrupt handler. It's a lot like the VIA interrupt handler. */ -irqreturn_t psc_irq(int irq, void *dev_id) +static void psc_irq(unsigned int irq, struct irq_desc *desc) { - int pIFR = pIFRbase + ((int) dev_id); - int pIER = pIERbase + ((int) dev_id); + unsigned int offset = (unsigned int)irq_desc_get_handler_data(desc); + int pIFR = pIFRbase + offset; + int pIER = pIERbase + offset; int irq_num; unsigned char irq_bit, events; #ifdef DEBUG_IRQS - printk("psc_irq: irq %d pIFR = 0x%02X pIER = 0x%02X\n", + printk("psc_irq: irq %u pIFR = 0x%02X pIER = 0x%02X\n", irq, (int) psc_read_byte(pIFR), (int) psc_read_byte(pIER)); #endif events = psc_read_byte(pIFR) & psc_read_byte(pIER) & 0xF; if (!events) - return IRQ_NONE; + return; irq_num = irq << 3; irq_bit = 1; do { if (events & irq_bit) { psc_write_byte(pIFR, irq_bit); - m68k_handle_int(irq_num); + generic_handle_irq(irq_num); } irq_num++; irq_bit <<= 1; } while (events >= irq_bit); - return IRQ_HANDLED; +} + +/* + * Register the PSC interrupt dispatchers for autovector interrupts 3-6. + */ + +void __init psc_register_interrupts(void) +{ + irq_set_chained_handler(IRQ_AUTO_3, psc_irq); + irq_set_handler_data(IRQ_AUTO_3, (void *)0x30); + irq_set_chained_handler(IRQ_AUTO_4, psc_irq); + irq_set_handler_data(IRQ_AUTO_4, (void *)0x40); + irq_set_chained_handler(IRQ_AUTO_5, psc_irq); + irq_set_handler_data(IRQ_AUTO_5, (void *)0x50); + irq_set_chained_handler(IRQ_AUTO_6, psc_irq); + irq_set_handler_data(IRQ_AUTO_6, (void *)0x60); } void psc_irq_enable(int irq) { |