X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fmacintosh%2Fmacio-adb.c;h=797cef72258f317a06340a08107e0f357326d73c;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hp=f8bc90fb4a7e5e7dd69672fa17b8a71f330d9f84;hpb=5273a3df6485dc2ad6aa7ddd441b9a21970f003b;p=linux-2.6.git

diff --git a/drivers/macintosh/macio-adb.c b/drivers/macintosh/macio-adb.c
index f8bc90fb4..797cef722 100644
--- a/drivers/macintosh/macio-adb.c
+++ b/drivers/macintosh/macio-adb.c
@@ -17,6 +17,7 @@
 #include <asm/irq.h>
 #include <asm/system.h>
 #include <linux/init.h>
+#include <linux/ioport.h>
 
 struct preg {
 	unsigned char r;
@@ -57,13 +58,13 @@ struct adb_regs {
 /* Bits in autopoll register */
 #define APE	1		/* autopoll enable */
 
-static volatile struct adb_regs *adb;
+static volatile struct adb_regs __iomem *adb;
 static struct adb_request *current_req, *last_req;
-static spinlock_t macio_lock = SPIN_LOCK_UNLOCKED;
+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);
@@ -88,25 +89,16 @@ int macio_probe(void)
 int macio_init(void)
 {
 	struct device_node *adbs;
+	struct resource r;
+	unsigned int irq;
 
 	adbs = find_compatible_devices("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 = (volatile struct adb_regs *)
-		ioremap(adbs->addrs->address, sizeof(struct adb_regs));
+	if (of_address_to_resource(adbs, 0, &r))
+		return -ENXIO;
+	adb = ioremap(r.start, sizeof(struct adb_regs));
 
 	out_8(&adb->ctrl.r, 0);
 	out_8(&adb->intr.r, 0);
@@ -115,10 +107,9 @@ 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);
+	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);
@@ -175,7 +166,7 @@ static int macio_send_request(struct adb_request *req, int sync)
 		req->data[i] = req->data[i+1];
 	--req->nbytes;
 	
-	req->next = 0;
+	req->next = NULL;
 	req->sent = 0;
 	req->complete = 0;
 	req->reply_len = 0;
@@ -198,11 +189,10 @@ 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;
+	struct adb_request *req = NULL;
 	unsigned char ibuf[16];
 	int ibuf_len = 0;
 	int complete = 0;
@@ -269,7 +259,7 @@ 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);
 }
@@ -280,6 +270,6 @@ static void macio_adb_poll(void)
 
 	local_irq_save(flags);
 	if (in_8(&adb->intr.r) != 0)
-		macio_adb_interrupt(0, 0, 0);
+		macio_adb_interrupt(0, NULL);
 	local_irq_restore(flags);
 }