diff options
Diffstat (limited to 'drivers/macintosh/macio-adb.c')
| -rw-r--r-- | drivers/macintosh/macio-adb.c | 54 |
1 files changed, 27 insertions, 27 deletions
diff --git a/drivers/macintosh/macio-adb.c b/drivers/macintosh/macio-adb.c index cf6a6f2248a..87de8d9bcfa 100644 --- a/drivers/macintosh/macio-adb.c +++ b/drivers/macintosh/macio-adb.c @@ -6,7 +6,6 @@ #include <linux/errno.h> #include <linux/kernel.h> #include <linux/delay.h> -#include <linux/sched.h> #include <linux/spinlock.h> #include <linux/interrupt.h> #include <asm/prom.h> @@ -15,8 +14,8 @@ #include <asm/pgtable.h> #include <asm/hydra.h> #include <asm/irq.h> -#include <asm/system.h> #include <linux/init.h> +#include <linux/ioport.h> struct preg { unsigned char r; @@ -63,7 +62,7 @@ static DEFINE_SPINLOCK(macio_lock); static int macio_probe(void); static int macio_init(void); -static irqreturn_t macio_adb_interrupt(int irq, void *arg, struct pt_regs *regs); +static irqreturn_t macio_adb_interrupt(int irq, void *arg); static int macio_send_request(struct adb_request *req, int sync); static int macio_adb_autopoll(int devs); static void macio_adb_poll(void); @@ -82,30 +81,31 @@ struct adb_driver macio_adb_driver = { int macio_probe(void) { - return find_compatible_devices("adb", "chrp,adb0")? 0: -ENODEV; + struct device_node *np; + + np = of_find_compatible_node(NULL, "adb", "chrp,adb0"); + if (np) { + of_node_put(np); + return 0; + } + return -ENODEV; } int macio_init(void) { struct device_node *adbs; + struct resource r; + unsigned int irq; - adbs = find_compatible_devices("adb", "chrp,adb0"); + adbs = of_find_compatible_node(NULL, "adb", "chrp,adb0"); if (adbs == 0) return -ENXIO; -#if 0 - { int i; - - printk("macio_adb_init: node = %p, addrs =", adbs->node); - for (i = 0; i < adbs->n_addrs; ++i) - printk(" %x(%x)", adbs->addrs[i].address, adbs->addrs[i].size); - printk(", intrs ="); - for (i = 0; i < adbs->n_intrs; ++i) - printk(" %x", adbs->intrs[i].line); - printk("\n"); } -#endif - - adb = ioremap(adbs->addrs->address, sizeof(struct adb_regs)); + if (of_address_to_resource(adbs, 0, &r)) { + of_node_put(adbs); + return -ENXIO; + } + adb = ioremap(r.start, sizeof(struct adb_regs)); out_8(&adb->ctrl.r, 0); out_8(&adb->intr.r, 0); @@ -114,10 +114,10 @@ int macio_init(void) out_8(&adb->active_lo.r, 0xff); out_8(&adb->autopoll.r, APE); - if (request_irq(adbs->intrs[0].line, macio_adb_interrupt, - 0, "ADB", (void *)0)) { - printk(KERN_ERR "ADB: can't get irq %d\n", - adbs->intrs[0].line); + irq = irq_of_parse_and_map(adbs, 0); + of_node_put(adbs); + if (request_irq(irq, macio_adb_interrupt, 0, "ADB", (void *)0)) { + printk(KERN_ERR "ADB: can't get irq %d\n", irq); return -EAGAIN; } out_8(&adb->intr_enb.r, DFB | TAG); @@ -146,7 +146,7 @@ static int macio_adb_reset_bus(void) /* Hrm... we may want to not lock interrupts for so * long ... oh well, who uses that chip anyway ? :) - * That function will be seldomly used during boot + * That function will be seldom used during boot * on rare machines, so... */ spin_lock_irqsave(&macio_lock, flags); @@ -154,6 +154,7 @@ static int macio_adb_reset_bus(void) while ((in_8(&adb->ctrl.r) & ADB_RST) != 0) { if (--timeout == 0) { out_8(&adb->ctrl.r, in_8(&adb->ctrl.r) & ~ADB_RST); + spin_unlock_irqrestore(&macio_lock, flags); return -1; } } @@ -197,8 +198,7 @@ static int macio_send_request(struct adb_request *req, int sync) return 0; } -static irqreturn_t macio_adb_interrupt(int irq, void *arg, - struct pt_regs *regs) +static irqreturn_t macio_adb_interrupt(int irq, void *arg) { int i, n, err; struct adb_request *req = NULL; @@ -268,7 +268,7 @@ static irqreturn_t macio_adb_interrupt(int irq, void *arg, (*done)(req); } if (ibuf_len) - adb_input(ibuf, ibuf_len, regs, autopoll); + adb_input(ibuf, ibuf_len, autopoll); return IRQ_RETVAL(handled); } @@ -279,6 +279,6 @@ static void macio_adb_poll(void) local_irq_save(flags); if (in_8(&adb->intr.r) != 0) - macio_adb_interrupt(0, NULL, NULL); + macio_adb_interrupt(0, NULL); local_irq_restore(flags); } |