Merge http://gkernel.bkbits.net/misc-2.5

into home.transmeta.com:/home/torvalds/v2.5/linux

arch/sparc64/kernel/devices.c

@@ -10,6 +10,7 @@
 #include <linux/init.h>
 #include <linux/ioport.h>
 #include <linux/string.h>
+#include <linux/spinlock.h>
 
 #include <asm/page.h>
 #include <asm/oplib.h>
@@ -17,6 +18,11 @@
 #include <asm/smp.h>
 #include <asm/spitfire.h>
 
+/* Used to synchronize acceses to NatSemi SUPER I/O chip configure
+ * operations in asm/ns87303.h
+ */
+spinlock_t ns87303_lock = SPIN_LOCK_UNLOCKED;
+
 struct prom_cpuinfo linux_cpus[NR_CPUS] __initdata = { { 0 } };
 unsigned prom_cpu_nodes[NR_CPUS];
 int linux_num_cpus = 0;

arch/sparc64/kernel/smp.c

@@ -45,7 +45,6 @@ cpuinfo_sparc cpu_data[NR_CPUS];
 
 /* Please don't make this stuff initdata!!!  --DaveM */
 static unsigned char boot_cpu_id;
-static int smp_activated;
 
 /* Kernel spinlock */
 spinlock_t kernel_flag __cacheline_aligned_in_smp = SPIN_LOCK_UNLOCKED;
@@ -223,85 +222,46 @@ extern unsigned long sparc64_cpu_startup;
  */
 static struct thread_info *cpu_new_thread = NULL;
 
-static void __init smp_boot_cpus(unsigned int max_cpus)
+static int __devinit smp_boot_one_cpu(unsigned int cpu)
 {
-	int cpucount = 0, i;
+	unsigned long entry =
+		(unsigned long)(&sparc64_cpu_startup);
+	unsigned long cookie =
+		(unsigned long)(&cpu_new_thread);
+	struct task_struct *p;
+	int timeout, no, ret;
 
-	printk("Entering UltraSMPenguin Mode...\n");
-	local_irq_enable();
-	smp_store_cpu_info(boot_cpu_id);
-
-	if (linux_num_cpus == 1)
-		return;
-
-	for (i = 0; i < NR_CPUS; i++) {
-		if (i == boot_cpu_id)
-			continue;
-
-		if ((cpucount + 1) == max_cpus)
-			goto ignorecpu;
-		if (test_bit(i, &phys_cpu_present_map)) {
-			unsigned long entry =
-				(unsigned long)(&sparc64_cpu_startup);
-			unsigned long cookie =
-				(unsigned long)(&cpu_new_thread);
-			struct task_struct *p;
-			int timeout;
-			int no;
+	kernel_thread(NULL, NULL, CLONE_IDLETASK);
 
-			prom_printf("Starting CPU %d... ", i);
-			kernel_thread(NULL, NULL, CLONE_IDLETASK);
-			cpucount++;
+	p = prev_task(&init_task);
 
-			p = prev_task(&init_task);
+	init_idle(p, cpu);
 
-			init_idle(p, i);
+	unhash_process(p);
 
-			unhash_process(p);
-
-			callin_flag = 0;
-			for (no = 0; no < linux_num_cpus; no++)
-				if (linux_cpus[no].mid == i)
-					break;
-			cpu_new_thread = p->thread_info;
-			set_bit(i, &cpu_callout_map);
-			prom_startcpu(linux_cpus[no].prom_node,
-				      entry, cookie);
-			for (timeout = 0; timeout < 5000000; timeout++) {
-				if (callin_flag)
-					break;
-				udelay(100);
-			}
-			if (callin_flag) {
-				prom_cpu_nodes[i] = linux_cpus[no].prom_node;
-				prom_printf("OK\n");
-			} else {
-				cpucount--;
-				printk("Processor %d is stuck.\n", i);
-				prom_printf("FAILED\n");
-				clear_bit(i, &cpu_callout_map);
-			}
-ignorecpu:
-		}
+	callin_flag = 0;
+	for (no = 0; no < linux_num_cpus; no++)
+		if (linux_cpus[no].mid == cpu)
+			break;
+	cpu_new_thread = p->thread_info;
+	set_bit(cpu, &cpu_callout_map);
+	prom_startcpu(linux_cpus[no].prom_node, entry, cookie);
+	for (timeout = 0; timeout < 5000000; timeout++) {
+		if (callin_flag)
+			break;
+		udelay(100);
 	}
-	cpu_new_thread = NULL;
-	if (cpucount == 0) {
-		if (max_cpus != 1)
-			printk("Error: only one processor found.\n");
+	if (callin_flag) {
+		prom_cpu_nodes[cpu] = linux_cpus[no].prom_node;
+		ret = 0;
 	} else {
-		unsigned long bogosum = 0;
-
-		for (i = 0; i < NR_CPUS; i++) {
-			if (cpu_online(i))
-				bogosum += cpu_data[i].udelay_val;
-		}
-		printk("Total of %d processors activated "
-		       "(%lu.%02lu BogoMIPS).\n",
-		       cpucount + 1,
-		       bogosum/(500000/HZ),
-		       (bogosum/(5000/HZ))%100);
-		smp_activated = 1;
+		printk("Processor %d is stuck.\n", cpu);
+		clear_bit(cpu, &cpu_callout_map);
+		ret = -ENODEV;
 	}
+	cpu_new_thread = NULL;
+
+	return ret;
 }
 
 static void spitfire_xcall_helper(u64 data0, u64 data1, u64 data2, u64 pstate, unsigned long cpu)
@@ -1119,8 +1079,6 @@ static void __init smp_setup_percpu_timer(void)
 
 void __init smp_tick_init(void)
 {
-	int i;
-	
 	boot_cpu_id = hard_smp_processor_id();
 	current_tick_offset = timer_tick_offset;
 
@@ -1129,19 +1087,10 @@ void __init smp_tick_init(void)
 		prom_halt();
 	}
 
-	atomic_set(&sparc64_num_cpus_online, 1);
-	memset(&cpu_online_map, 0, sizeof(cpu_online_map));
+	atomic_inc(&sparc64_num_cpus_online);
 	set_bit(boot_cpu_id, &cpu_online_map);
 	prom_cpu_nodes[boot_cpu_id] = linux_cpus[0].prom_node;
 	prof_counter(boot_cpu_id) = prof_multiplier(boot_cpu_id) = 1;
-
-	for (i = 0; i < linux_num_cpus; i++) {
-		if (linux_cpus[i].mid < NR_CPUS) {
-			set_bit(linux_cpus[i].mid,
-				&phys_cpu_present_map);
-			atomic_inc(&sparc64_num_cpus_possible);
-		}
-	}
 }
 
 cycles_t cacheflush_time;
@@ -1272,19 +1221,59 @@ int setup_profiling_timer(unsigned int multiplier)
 
 void __init smp_prepare_cpus(unsigned int max_cpus)
 {
-	smp_boot_cpus(max_cpus);
+	int i;
+
+	for (i = 0; i < linux_num_cpus; i++) {
+		if (linux_cpus[i].mid < max_cpus) {
+			set_bit(linux_cpus[i].mid,
+				&phys_cpu_present_map);
+			atomic_inc(&sparc64_num_cpus_possible);
+		}
+	}
+	if (atomic_read(&sparc64_num_cpus_possible) > max_cpus) {
+		for (i = linux_num_cpus - 1; i >= 0; i--) {
+			if (linux_cpus[i].mid != boot_cpu_id) {
+				clear_bit(linux_cpus[i].mid,
+					  &phys_cpu_present_map);
+				atomic_dec(&sparc64_num_cpus_possible);
+				if (atomic_read(&sparc64_num_cpus_possible) <= max_cpus)
+					break;
+			}
+		}
+	}
+
+	smp_store_cpu_info(boot_cpu_id);
 }
 
 int __devinit __cpu_up(unsigned int cpu)
 {
-	set_bit(cpu, &smp_commenced_mask);
-	while (!test_bit(cpu, &cpu_online_map))
-		mb();
-	return 0;
+	int ret = smp_boot_one_cpu(cpu);
+
+	if (!ret) {
+		set_bit(cpu, &smp_commenced_mask);
+		while (!test_bit(cpu, &cpu_online_map))
+			mb();
+		if (!test_bit(cpu, &cpu_online_map))
+			ret = -ENODEV;
+	}
+	return ret;
 }
 
 void __init smp_cpus_done(unsigned int max_cpus)
 {
+	unsigned long bogosum = 0;
+	int i;
+
+	for (i = 0; i < NR_CPUS; i++) {
+		if (cpu_online(i))
+			bogosum += cpu_data[i].udelay_val;
+	}
+	printk("Total of %d processors activated "
+	       "(%lu.%02lu BogoMIPS).\n",
+	       num_online_cpus(),
+	       bogosum/(500000/HZ),
+	       (bogosum/(5000/HZ))%100);
+
 	/* We want to run this with all the other cpus spinning
 	 * in the kernel.
 	 */

arch/sparc64/kernel/sparc64_ksyms.c

@@ -52,6 +52,7 @@
 #include <asm/isa.h>
 #endif
 #include <asm/a.out.h>
+#include <asm/ns87303.h>
 
 struct poll {
 	int fd;
@@ -373,3 +374,6 @@ EXPORT_SYMBOL(kbd_pt_regs);
 #ifdef CONFIG_DEBUG_BUGVERBOSE
 EXPORT_SYMBOL(do_BUG);
 #endif
+
+/* for ns8703 */
+EXPORT_SYMBOL(ns87303_lock);

arch/sparc64/solaris/systbl.S

@@ -250,8 +250,8 @@ solaris_sys_table:
 	.word solaris_fstatvfs64	/* fstatvfs64	dP	219	*/
 	.word solaris_setrlimit64	/* setrlimit64	dP	220	*/
 	.word solaris_getrlimit64	/* getrlimit64	dP	221	*/
-	.word CHAIN(pread)		/* pread64	dpdD	222	*/
-	.word CHAIN(pwrite)		/* pwrite64	dpdD	223	*/
+	.word CHAIN(pread64)		/* pread64	dpdD	222	*/
+	.word CHAIN(pwrite64)		/* pwrite64	dpdD	223	*/
 	.word CHAIN(creat)		/* creat64	so	224	*/
 	.word solaris_open		/* open64	soo	225	*/
 	.word solaris_unimplemented	/* 			226	*/

drivers/net/myri_sbus.c

@@ -546,8 +546,11 @@ static void myri_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 	struct myri_eth *mp		= (struct myri_eth *) dev->priv;
 	unsigned long lregs		= mp->lregs;
 	struct myri_channel *chan	= &mp->shmem->channel;
+	unsigned long flags;
 	u32 status;
 
+	spin_lock_irqsave(&mp->irq_lock, flags);
+
 	status = sbus_readl(lregs + LANAI_ISTAT);
 	DIRQ(("myri_interrupt: status[%08x] ", status));
 	if (status & ISTAT_HOST) {
@@ -569,6 +572,8 @@ static void myri_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 		myri_enable_irq(lregs, mp->cregs);
 	}
 	DIRQ(("\n"));
+
+	spin_unlock_irqrestore(&mp->irq_lock, flags);
 }
 
 static int myri_open(struct net_device *dev)
@@ -622,7 +627,7 @@ static int myri_start_xmit(struct sk_buff *skb, struct net_device *dev)
 		return 1;
 	}
 
-	save_and_cli(flags);
+	spin_lock_irqsave(&mp->irq_lock, flags);
 
 	DHDR(("xmit[skbdata(%p)]\n", skb->data));
 #ifdef DEBUG_HEADER
@@ -669,7 +674,7 @@ static int myri_start_xmit(struct sk_buff *skb, struct net_device *dev)
 
 	DTX(("tbusy=0, returning 0\n"));
 	netif_start_queue(dev);
-	restore_flags(flags);
+	spin_unlock_irqrestore(&mp->irq_lock, flags);
 	return 0;
 }
 
@@ -900,6 +905,7 @@ static int __init myri_ether_init(struct net_device *dev, struct sbus_dev *sdev,
 	printk("%s: MyriCOM MyriNET Ethernet ", dev->name);
 
 	mp = (struct myri_eth *) dev->priv;
+	spin_lock_init(&mp->irq_lock);
 	mp->myri_sdev = sdev;
 
 	/* Clean out skb arrays. */

drivers/net/myri_sbus.h

@@ -269,6 +269,7 @@ struct myri_eth {
 	/* These are frequently accessed, keep together
 	 * to obtain good cache hit rates.
 	 */
+	spinlock_t			irq_lock;
 	struct myri_shmem		*shmem;		/* Shared data structures.    */
 	unsigned long			cregs;		/* Control register space.    */
 	struct recvq			*rqack;		/* Where we ack rx's.         */

drivers/sbus/char/openprom.c

@@ -147,7 +147,6 @@ static int openprom_sunos_ioctl(struct inode * inode, struct file * file,
 	DATA *data = (DATA *) file->private_data;
 	char buffer[OPROMMAXPARAM+1], *buf;
 	struct openpromio *opp;
-	unsigned long flags;
 	int bufsize, len, error = 0;
 	extern char saved_command_line[];
 	static int cnt;
@@ -163,18 +162,14 @@ static int openprom_sunos_ioctl(struct inode * inode, struct file * file,
 	switch (cmd) {
 	case OPROMGETOPT:
 	case OPROMGETPROP:
-		save_and_cli(flags);
 		len = prom_getproplen(node, opp->oprom_array);
-		restore_flags(flags);
 
 		if (len <= 0 || len > bufsize) {
 			error = copyout((void *)arg, opp, sizeof(int));
 			break;
 		}
 
-		save_and_cli(flags);
 		len = prom_getproperty(node, opp->oprom_array, buffer, bufsize);
-		restore_flags(flags);
 
 		memcpy(opp->oprom_array, buffer, len);
 		opp->oprom_array[len] = '\0';
@@ -185,9 +180,7 @@ static int openprom_sunos_ioctl(struct inode * inode, struct file * file,
 
 	case OPROMNXTOPT:
 	case OPROMNXTPROP:
-		save_and_cli(flags);
 		buf = prom_nextprop(node, opp->oprom_array, buffer);
-		restore_flags(flags);
 
 		len = strlen(buf);
 		if (len == 0 || len + 1 > bufsize) {
@@ -207,10 +200,8 @@ static int openprom_sunos_ioctl(struct inode * inode, struct file * file,
 		buf = opp->oprom_array + strlen(opp->oprom_array) + 1;
 		len = opp->oprom_array + bufsize - buf;
 
-		save_and_cli(flags);
 		error = prom_setprop(options_node, opp->oprom_array,
 				     buf, len);
-		restore_flags(flags);
 
 		if (error < 0)
 			error = -EINVAL;
@@ -226,13 +217,11 @@ static int openprom_sunos_ioctl(struct inode * inode, struct file * file,
 
 		node = *((int *) opp->oprom_array);
 
-		save_and_cli(flags);
 		switch (cmd) {
 		case OPROMNEXT: node = __prom_getsibling(node); break;
 		case OPROMCHILD: node = __prom_getchild(node); break;
 		case OPROMSETCUR: break;
 		}
-		restore_flags(flags);
 
 		data->current_node = node;
 		*((int *)opp->oprom_array) = node;
@@ -264,9 +253,7 @@ static int openprom_sunos_ioctl(struct inode * inode, struct file * file,
 		break;
 
 	case OPROMPATH2NODE:
-		save_and_cli(flags);
 		node = prom_finddevice(opp->oprom_array);
-		restore_flags(flags);
 		data->current_node = node;
 		*((int *)opp->oprom_array) = node;
 		opp->oprom_size = sizeof(int);
@@ -361,7 +348,6 @@ static int openprom_bsd_ioctl(struct inode * inode, struct file * file,
 {
 	DATA *data = (DATA *) file->private_data;
 	struct opiocdesc op;
-	unsigned long flags;
 	int error, node, len;
 	char *str, *tmp;
 	char buffer[64];
@@ -379,9 +365,7 @@ static int openprom_bsd_ioctl(struct inode * inode, struct file * file,
 		if (error)
 			return error;
 
-		save_and_cli(flags);
 		len = prom_getproplen(op.op_nodeid,str);
-		restore_flags(flags);
 
 		if (len > op.op_buflen) {
 			kfree(str);
@@ -405,9 +389,7 @@ static int openprom_bsd_ioctl(struct inode * inode, struct file * file,
 			return -ENOMEM;
 		}
 
-		save_and_cli(flags);
 		prom_getproperty(op.op_nodeid, str, tmp, len);
-		restore_flags(flags);
 
 		tmp[len] = '\0';
 
@@ -431,9 +413,7 @@ static int openprom_bsd_ioctl(struct inode * inode, struct file * file,
 		if (error)
 			return error;
 
-		save_and_cli(flags);
 		tmp = prom_nextprop(op.op_nodeid,str,buffer);
-		restore_flags(flags);
 
 		if (tmp) {
 			len = strlen(tmp);
@@ -481,9 +461,7 @@ static int openprom_bsd_ioctl(struct inode * inode, struct file * file,
 			return error;
 		}
 
-		save_and_cli(flags);
 		len = prom_setprop(op.op_nodeid,str,tmp,op.op_buflen+1);
-		restore_flags(flags);
 
 		if (len != op.op_buflen)
 			return -EINVAL;
@@ -503,12 +481,10 @@ static int openprom_bsd_ioctl(struct inode * inode, struct file * file,
 		if (copy_from_user(&node, (void *)arg, sizeof(int)))
 			return -EFAULT;
 
-		save_and_cli(flags);
 		if (cmd == OPIOCGETNEXT)
 			node = __prom_getsibling(node);
 		else
 			node = __prom_getchild(node);
-		restore_flags(flags);
 
 		if (__copy_to_user((void *)arg, &node, sizeof(int)))
 			return -EFAULT;
@@ -624,7 +600,6 @@ static struct miscdevice openprom_dev = {
 
 static int __init openprom_init(void)
 {
-	unsigned long flags;
 	int error;
 
 	error = misc_register(&openprom_dev);
@@ -633,10 +608,8 @@ static int __init openprom_init(void)
 		return error;
 	}
 
-	save_and_cli(flags);
 	options_node = prom_getchild(prom_root_node);
 	options_node = prom_searchsiblings(options_node,"options");
-	restore_flags(flags);
 
 	if (options_node == 0 || options_node == -1) {
 		printk(KERN_ERR "openprom: unable to find options node\n");

drivers/scsi/qlogicpti.c

@@ -318,7 +318,7 @@ static int qlogicpti_reset_hardware(struct Scsi_Host *host)
 
 	risc_code_addr = 0x1000;	/* all load addresses are at 0x1000 */
 
-	save_flags(flags); cli();
+	spin_lock_irqsave(&qpti->lock, flags);
 
 	sbus_writew(HCCTRL_PAUSE, qpti->qregs + HCCTRL);
 
@@ -366,7 +366,7 @@ static int qlogicpti_reset_hardware(struct Scsi_Host *host)
 	if (qlogicpti_mbox_command(qpti, param, 1)) {
 		printk(KERN_EMERG "qlogicpti%d: Cannot execute ISP firmware.\n",
 		       qpti->qpti_id);
-		restore_flags(flags);
+		spin_unlock_irqrestore(&qpti->lock, flags);
 		return 1;
 	}
 
@@ -377,7 +377,7 @@ static int qlogicpti_reset_hardware(struct Scsi_Host *host)
 	   (param[0] != MBOX_COMMAND_COMPLETE)) {
 		printk(KERN_EMERG "qlogicpti%d: Cannot set initiator SCSI ID.\n",
 		       qpti->qpti_id);
-		restore_flags(flags);
+		spin_unlock_irqrestore(&qpti->lock, flags);
 		return 1;
 	}
 
@@ -392,7 +392,7 @@ static int qlogicpti_reset_hardware(struct Scsi_Host *host)
 	if (qlogicpti_mbox_command(qpti, param, 1)) {
 		printk(KERN_EMERG "qlogicpti%d: Cannot init response queue.\n",
 		       qpti->qpti_id);
-		restore_flags(flags);
+		spin_unlock_irqrestore(&qpti->lock, flags);
 		return 1;
 	}
 
@@ -404,7 +404,7 @@ static int qlogicpti_reset_hardware(struct Scsi_Host *host)
 	if (qlogicpti_mbox_command(qpti, param, 1)) {
 		printk(KERN_EMERG "qlogicpti%d: Cannot init request queue.\n",
 		       qpti->qpti_id);
-		restore_flags(flags);
+		spin_unlock_irqrestore(&qpti->lock, flags);
 		return 1;
 	}
 
@@ -450,7 +450,7 @@ static int qlogicpti_reset_hardware(struct Scsi_Host *host)
 	qlogicpti_mbox_command(qpti, param, 0);
 	qpti->send_marker = 1;
 
-	restore_flags(flags);
+	spin_unlock_irqrestore(&qpti->lock, flags);
 	return 0;
 }
 
@@ -468,7 +468,7 @@ static int __init qlogicpti_load_firmware(struct qlogicpti *qpti)
 	risc_code_addr = 0x1000;	/* all f/w modules load at 0x1000 */
 	risc_code_length = sbus_risc_code_length01;
 
-	save_flags(flags); cli();
+	spin_lock_irqsave(&qpti->lock, flags);
 
 	/* Verify the checksum twice, one before loading it, and once
 	 * afterwards via the mailbox commands.
@@ -476,7 +476,7 @@ static int __init qlogicpti_load_firmware(struct qlogicpti *qpti)
 	for (i = 0; i < risc_code_length; i++)
 		csum += risc_code[i];
 	if (csum) {
-		restore_flags(flags);
+		spin_unlock_irqrestore(&qpti->lock, flags);
 		printk(KERN_EMERG "qlogicpti%d: Aieee, firmware checksum failed!",
 		       qpti->qpti_id);
 		return 1;
@@ -488,7 +488,7 @@ static int __init qlogicpti_load_firmware(struct qlogicpti *qpti)
 	while (--timeout && (sbus_readw(qpti->qregs + SBUS_CTRL) & SBUS_CTRL_RESET))
 		udelay(20);
 	if (!timeout) {
-		restore_flags(flags);
+		spin_unlock_irqrestore(&qpti->lock, flags);
 		printk(KERN_EMERG "qlogicpti%d: Cannot reset the ISP.", qpti->qpti_id);
 		return 1;
 	}
@@ -528,7 +528,7 @@ static int __init qlogicpti_load_firmware(struct qlogicpti *qpti)
 	if (qlogicpti_mbox_command(qpti, param, 1)) {
 		printk(KERN_EMERG "qlogicpti%d: Cannot stop firmware for reload.\n",
 		       qpti->qpti_id);
-		restore_flags(flags);
+		spin_unlock_irqrestore(&qpti->lock, flags);
 		return 1;
 	}		
 
@@ -541,7 +541,7 @@ static int __init qlogicpti_load_firmware(struct qlogicpti *qpti)
 		    param[0] != MBOX_COMMAND_COMPLETE) {
 			printk("qlogicpti%d: Firmware dload failed, I'm bolixed!\n",
 			       qpti->qpti_id);
-			restore_flags(flags);
+			spin_unlock_irqrestore(&qpti->lock, flags);
 			return 1;
 		}
 	}
@@ -561,7 +561,7 @@ static int __init qlogicpti_load_firmware(struct qlogicpti *qpti)
 	    (param[0] != MBOX_COMMAND_COMPLETE)) {
 		printk(KERN_EMERG "qlogicpti%d: New firmware csum failure!\n",
 		       qpti->qpti_id);
-		restore_flags(flags);
+		spin_unlock_irqrestore(&qpti->lock, flags);
 		return 1;
 	}
 
@@ -575,7 +575,7 @@ static int __init qlogicpti_load_firmware(struct qlogicpti *qpti)
 	    (param[0] != MBOX_COMMAND_COMPLETE)) {
 		printk(KERN_EMERG "qlogicpti%d: AboutFirmware cmd fails.\n",
 		       qpti->qpti_id);
-		restore_flags(flags);
+		spin_unlock_irqrestore(&qpti->lock, flags);
 		return 1;
 	}
 
@@ -591,7 +591,7 @@ static int __init qlogicpti_load_firmware(struct qlogicpti *qpti)
 	    (param[0] != MBOX_COMMAND_COMPLETE)) {
 		printk(KERN_EMERG "qlogicpti%d: could not set clock rate.\n",
 		       qpti->qpti_id);
-		restore_flags(flags);
+		spin_unlock_irqrestore(&qpti->lock, flags);
 		return 1;
 	}
 
@@ -608,7 +608,7 @@ static int __init qlogicpti_load_firmware(struct qlogicpti *qpti)
 		qlogicpti_mbox_command(qpti, param, 1);
 	}
 
-	restore_flags(flags);
+	spin_unlock_irqrestore(&qpti->lock, flags);
 	return 0;
 }
 
@@ -1166,8 +1166,8 @@ static void ourdone(Scsi_Cmnd *Cmnd)
 
 int qlogicpti_queuecommand_slow(Scsi_Cmnd *Cmnd, void (*done)(Scsi_Cmnd *))
 {
-	unsigned long flags;
 	struct qlogicpti *qpti = (struct qlogicpti *) Cmnd->host->hostdata;
+	unsigned long flags;
 
 	/*
 	 * done checking this host adapter?
@@ -1178,12 +1178,13 @@ int qlogicpti_queuecommand_slow(Scsi_Cmnd *Cmnd, void (*done)(Scsi_Cmnd *))
 	if (qpti->sbits && qpti->sbits != 0xffff) {
 		/* See above about in ourdone this ugliness... */
 		Cmnd->SCp.Message = ((unsigned long)done) & 0xffffffff;
-#ifdef __sparc_v9__
+#ifdef CONFIG_SPARC64
 		Cmnd->SCp.Status = ((unsigned long)done >> 32UL) & 0xffffffff;
 #endif
 		return qlogicpti_queuecommand(Cmnd, ourdone);
 	}
-	save_flags(flags); cli();
+
+	spin_lock_irqsave(&qpti->lock, flags);
 
 	/*
 	 * We've peeked at all targets for this bus- time
@@ -1226,7 +1227,8 @@ int qlogicpti_queuecommand_slow(Scsi_Cmnd *Cmnd, void (*done)(Scsi_Cmnd *))
 	if (qpti == NULL)
 		Cmnd->host->hostt->queuecommand = qlogicpti_queuecommand;
 
-	restore_flags(flags);
+	spin_unlock_irqrestore(&qpti->lock, flags);
+
 	return qlogicpti_queuecommand(Cmnd, done);
 }
 

include/asm-sparc64/sab82532.h → drivers/serial/sunsab.h

-/* $Id: sab82532.h,v 1.7 2001/05/23 23:09:10 ecd Exp $
- * sab82532.h: Register Definitions for the Siemens SAB82532 DUSCC
+/* sunsab.h: Register Definitions for the Siemens SAB82532 DUSCC
  *
  * Copyright (C) 1997  Eddie C. Dost  (ecd@skynet.be)
  */
 
-#ifndef _SPARC64_SAB82532_H
-#define _SPARC64_SAB82532_H
-
-#include <linux/types.h>
-#include <linux/serial.h>
-#include <linux/circ_buf.h>
+#ifndef _SUNSAB_H
+#define _SUNSAB_H
 
 struct sab82532_async_rd_regs {
 	u8	rfifo[0x20];	/* Receive FIFO				*/
@@ -120,8 +115,6 @@ union sab82532_async_regs {
 	__volatile__ struct sab82532_async_rw_regs	rw;
 };
 
-#define NR_PORTS			 2
-
 union sab82532_irq_status {
 	unsigned short			 stat;
 	struct {
@@ -130,62 +123,10 @@ union sab82532_irq_status {
 	} sreg;
 };
 
-struct sab82532 {
-	int				 magic;
-	int				 baud_base;
-	union sab82532_async_regs	*regs;
-	int				 irq;
-	int				 flags;		/* defined in tty.h */
-	int				 type;		/* SAB82532 version */
-	struct tty_struct		*tty;
-	int				 read_status_mask;
-	int				 ignore_status_mask;
-	int				 timeout;
-	int				 xmit_fifo_size;
-	int				 recv_fifo_size;
-	int				 custom_divisor;
-	int				 baud;
-	unsigned int			 cec_timeout;
-	unsigned int			 tec_timeout;
-	int				 x_char;
-	int				 close_delay;
-	unsigned short			 closing_wait;
-	unsigned short			 closing_wait2;
-	unsigned long			 irqflags;
-	int				 is_console;
-	unsigned char			 interrupt_mask0;
-	unsigned char			 interrupt_mask1;
-	unsigned char			 pvr_dtr_bit;
-	unsigned char			 pvr_dsr_bit;
-	unsigned char			 dcd;
-	unsigned char			 cts;
-	unsigned char			 dsr;
-	unsigned long			 event;
-	unsigned long			 last_active;
-	int				 line;
-	int				 count;
-	int				 blocked_open;
-	long				 session;
-	long				 pgrp;
-	struct circ_buf			 xmit;
-	struct tq_struct		 tqueue;
-	struct tq_struct		 tqueue_hangup;
-	struct async_icount		 icount;
-	struct termios			 normal_termios;
-	struct termios			 callout_termios;
-	wait_queue_head_t		 open_wait;
-	wait_queue_head_t		 close_wait;
-	wait_queue_head_t		 delta_msr_wait;
-	struct sab82532			*next;
-	struct sab82532			*prev;
-};
-
-
 /* irqflags bits */
 #define SAB82532_ALLS			0x00000001
 #define SAB82532_XPR			0x00000002
 
-
 /* RFIFO Status Byte */
 #define SAB82532_RSTAT_PE		0x80
 #define SAB82532_RSTAT_FE		0x40
@@ -377,4 +318,4 @@ struct sab82532 {
 #define SAB82532_CCR4_ICD		0x10
 
 
-#endif /* !(_SPARC64_SAB82532_H) */
+#endif /* !(_SUNSAB_H) */

drivers/serial/sunsu.c

@@ -1362,7 +1362,7 @@ static void sunsu_console_write(struct console *co, const char *s,
 
 static kdev_t sunsu_console_device(struct console *co)
 {
-	return mk_kdev(TTY_MAJOR, 64 + co->index);
+	return mk_kdev(sunsu_reg.major, sunsu_reg.minor + co->index);
 }
 
 /*
@@ -1379,6 +1379,9 @@ static int __init sunsu_console_setup(struct console *co, char *options)
 	int parity = 'n';
 	int flow = 'n';
 
+	printk("Console: ttyS%d (SU)\n",
+	       (sunsu_reg.minor - 64) + co->index);
+
 	/*
 	 * Check whether an invalid uart number has been specified, and
 	 * if so, search for the first available port that does have
@@ -1414,15 +1417,23 @@ static struct console sunsu_cons = {
 
 static int __init sunsu_serial_console_init(void)
 {
-	int index;
+	int i;
 
 	if (con_is_present())
 		return 0;
 
-	index = serial_console - 1;
-	if (sunsu_ports[index].port_node == 0)
+	for (i = 0; i < UART_NR; i++) {
+		int this_minor = sunsu_reg.minor + i;
+
+		if ((this_minor - 64) == (serial_console - 1))
+			break;
+	}
+	if (i == UART_NR)
 		return 0;
-	sunsu_cons.index = index;
+	if (sunsu_ports[i].port_node == 0)
+		return 0;
+
+	sunsu_cons.index = i;
 	register_console(&sunsu_cons);
 	return 0;
 }

drivers/serial/sunzilog.c

@@ -1013,7 +1013,6 @@ static struct uart_driver sunzilog_reg = {
 	.dev_name	=	"ttyS",
 #endif
 	.major		=	TTY_MAJOR,
-	.minor		=	64,
 };
 
 static void * __init alloc_one_table(unsigned long size)
@@ -1386,7 +1385,7 @@ sunzilog_console_write(struct console *con, const char *s, unsigned int count)
 
 static kdev_t sunzilog_console_device(struct console *con)
 {
-	return mk_kdev(TTY_MAJOR, 64 + con->index);
+	return mk_kdev(sunzilog_reg.major, sunzilog_reg.minor + con->index);
 }
 
 static int __init sunzilog_console_setup(struct console *con, char *options)
@@ -1395,7 +1394,8 @@ static int __init sunzilog_console_setup(struct console *con, char *options)
 	unsigned long flags;
 	int baud, brg;
 
-	printk("Console: ttyS%d (Zilog8530)\n", con->index / 2);
+	printk("Console: ttyS%d (Zilog8530)\n",
+	       (sunzilog_reg.minor - 64) + con->index);
 
 	/* Get firmware console settings.  */
 	sunserial_console_termios(con);
@@ -1447,10 +1447,21 @@ static struct console sunzilog_console = {
 
 static int __init sunzilog_console_init(void)
 {
+	int i;
+
 	if (con_is_present())
 		return 0;
 
-	sunzilog_console.index = serial_console - 1;
+	for (i = 0; i < NUM_CHANNELS; i++) {
+		int this_minor = sunzilog_reg.minor + i;
+
+		if ((this_minor - 64) == (serial_console - 1))
+			break;
+	}
+	if (i == NUM_CHANNELS)
+		return 0;
+
+	sunzilog_console.index = i;
 	register_console(&sunzilog_console);
 	return 0;
 }
@@ -1480,6 +1491,7 @@ static void __init sunzilog_prepare(void)
 		up[(chip * 2) + 0].port.uartclk = ZS_CLOCK;
 		up[(chip * 2) + 0].port.fifosize = 1;
 		up[(chip * 2) + 0].port.ops = &sunzilog_pops;
+		up[(chip * 2) + 0].port.type = PORT_SUNZILOG;
 		up[(chip * 2) + 0].port.flags = 0;
 		up[(chip * 2) + 0].port.line = (chip * 2) + 0;
 		up[(chip * 2) + 0].flags |= SUNZILOG_FLAG_IS_CHANNEL_A;
@@ -1490,6 +1502,7 @@ static void __init sunzilog_prepare(void)
 		up[(chip * 2) + 1].port.uartclk = ZS_CLOCK;
 		up[(chip * 2) + 1].port.fifosize = 1;
 		up[(chip * 2) + 1].port.ops = &sunzilog_pops;
+		up[(chip * 2) + 1].port.type = PORT_SUNZILOG;
 		up[(chip * 2) + 1].port.flags = 0;
 		up[(chip * 2) + 1].port.line = (chip * 2) + 1;
 		up[(chip * 2) + 1].flags |= 0;
@@ -1607,12 +1620,10 @@ static int __init sunzilog_ports_init(void)
 	 * in the system.
 	 */
 	sunzilog_reg.nr = NUM_CHANNELS;
-
-#ifdef CONFIG_SERIAL_CONSOLE
 	sunzilog_reg.cons = &sunzilog_console;
-#else
-	sunzilog_reg.cons = NULL;
-#endif
+
+	sunzilog_reg.minor = sunserial_current_minor;
+	sunserial_current_minor += NUM_CHANNELS;
 
 	ret = uart_register_driver(&sunzilog_reg);
 	if (ret == 0) {

include/asm-sparc64/ns87303.h

@@ -78,9 +78,13 @@
 
 #ifdef __KERNEL__
 
+#include <linux/spinlock.h>
+
 #include <asm/system.h>
 #include <asm/io.h>
 
+extern spinlock_t ns87303_lock;
+
 static __inline__ int ns87303_modify(unsigned long port, unsigned int index,
 				     unsigned char clr, unsigned char set)
 {
@@ -96,14 +100,16 @@ static __inline__ int ns87303_modify(unsigned long port, unsigned int index,
 	if (index > 0x0d)
 		return -EINVAL;
 
-	save_flags(flags); cli();
+	spin_lock_irqsave(&ns87303_lock, flags);
+
 	outb(index, port);
 	value = inb(port + 1);
 	value &= ~(reserved[index] | clr);
 	value |= set;
 	outb(value, port + 1);
 	outb(value, port + 1);
-	restore_flags(flags);
+
+	spin_unlock_irqrestore(&ns87303_lock, flags);
 
 	return 0;
 }

include/linux/serial_core.h

@@ -51,6 +51,10 @@
 #define PORT_UART00	35
 #define PORT_21285	37
 
+/* Sparc type numbers.  */
+#define PORT_SUNZILOG	38
+#define PORT_SUNSAB	39
+
 #ifdef __KERNEL__
 
 #include <linux/config.h>