diff options
Diffstat (limited to 'drivers/macintosh/via-cuda.c')
| -rw-r--r-- | drivers/macintosh/via-cuda.c | 29 |
1 files changed, 17 insertions, 12 deletions
diff --git a/drivers/macintosh/via-cuda.c b/drivers/macintosh/via-cuda.c index 2d9d7915040..7512d1c1520 100644 --- a/drivers/macintosh/via-cuda.c +++ b/drivers/macintosh/via-cuda.c @@ -9,7 +9,6 @@ * Copyright (C) 1996 Paul Mackerras. */ #include <stdarg.h> -#include <linux/config.h> #include <linux/types.h> #include <linux/errno.h> #include <linux/kernel.h> @@ -35,13 +34,6 @@ static volatile unsigned char __iomem *via; static DEFINE_SPINLOCK(cuda_lock); -#ifdef CONFIG_MAC -#define CUDA_IRQ IRQ_MAC_ADB -#define eieio() -#else -#define CUDA_IRQ vias->intrs[0].line -#endif - /* VIA registers - spaced 0x200 bytes apart */ #define RS 0x200 /* skip between registers */ #define B 0 /* B-side data */ @@ -131,7 +123,7 @@ int __init find_via_cuda(void) { struct adb_request req; phys_addr_t taddr; - u32 *reg; + const u32 *reg; int err; if (vias != 0) @@ -140,7 +132,7 @@ int __init find_via_cuda(void) if (vias == 0) return 0; - reg = (u32 *)get_property(vias, "reg", NULL); + reg = get_property(vias, "reg", NULL); if (reg == NULL) { printk(KERN_ERR "via-cuda: No \"reg\" property !\n"); goto fail; @@ -190,11 +182,24 @@ int __init find_via_cuda(void) static int __init via_cuda_start(void) { + unsigned int irq; + if (via == NULL) return -ENODEV; - if (request_irq(CUDA_IRQ, cuda_interrupt, 0, "ADB", cuda_interrupt)) { - printk(KERN_ERR "cuda_init: can't get irq %d\n", CUDA_IRQ); +#ifdef CONFIG_MAC + irq = IRQ_MAC_ADB; +#else /* CONFIG_MAC */ + irq = irq_of_parse_and_map(vias, 0); + if (irq == NO_IRQ) { + printk(KERN_ERR "via-cuda: can't map interrupts for %s\n", + vias->full_name); + return -ENODEV; + } +#endif /* CONFIG_MAP */ + + if (request_irq(irq, cuda_interrupt, 0, "ADB", cuda_interrupt)) { + printk(KERN_ERR "via-cuda: can't request irq %d\n", irq); return -EAGAIN; } |