Merge samba.org:/scratch/anton/linux-2.5

into samba.org:/scratch/anton/linux-2.5_ppc64_new

drivers/hotplug/cpqphp.h

@@ -305,8 +305,8 @@ struct controller {
 	u8 first_slot;
 	u8 add_support;
 	u8 push_flag;
-	u8 speed;			/* 0 = 33MHz, 1 = 66MHz */
-	u8 speed_capability;		/* 0 = 33MHz, 1 = 66MHz */
+	enum pci_bus_speed speed;
+	enum pci_bus_speed speed_capability;
 	u8 push_button;			/* 0 = no pushbutton, 1 = pushbutton present */
 	u8 slot_switch_type;		/* 0 = no switch, 1 = switch present */
 	u8 defeature_PHP;		/* 0 = PHP not supported, 1 = PHP supported */
@@ -321,9 +321,6 @@ struct controller {
 	wait_queue_head_t queue;	/* sleep & wake process */
 };
 
-#define CTRL_SPEED_33MHz	0
-#define CTRL_SPEED_66MHz	1
-
 struct irq_mapping {
 	u8 barber_pole;
 	u8 valid_INT;
@@ -635,7 +632,7 @@ static inline u8 get_controller_speed (struct controller *ctrl)
 	u16 misc;
 	
 	misc = readw(ctrl->hpc_reg + MISC);
-	return (misc & 0x0800) ? 1 : 0;
+	return (misc & 0x0800) ? PCI_SPEED_66MHz : PCI_SPEED_33MHz;
 }
 
 

drivers/hotplug/cpqphp_core.c

@@ -79,6 +79,8 @@ static int get_power_status	(struct hotplug_slot *slot, u8 *value);
 static int get_attention_status	(struct hotplug_slot *slot, u8 *value);
 static int get_latch_status	(struct hotplug_slot *slot, u8 *value);
 static int get_adapter_status	(struct hotplug_slot *slot, u8 *value);
+static int get_max_bus_speed	(struct hotplug_slot *slot, enum pci_bus_speed *value);
+static int get_cur_bus_speed	(struct hotplug_slot *slot, enum pci_bus_speed *value);
 
 static struct hotplug_slot_ops cpqphp_hotplug_slot_ops = {
 	.owner =		THIS_MODULE,
@@ -90,6 +92,8 @@ static struct hotplug_slot_ops cpqphp_hotplug_slot_ops = {
 	.get_attention_status =	get_attention_status,
 	.get_latch_status =	get_latch_status,
 	.get_adapter_status =	get_adapter_status,
+  	.get_max_bus_speed =	get_max_bus_speed,
+  	.get_cur_bus_speed =	get_cur_bus_speed,
 };
 
 
@@ -378,7 +382,7 @@ static int ctrl_slot_setup (struct controller * ctrl, void *smbios_start, void *
 			new_slot->capabilities |= PCISLOT_64_BIT_SUPPORTED;
 		if (is_slot66mhz(new_slot))
 			new_slot->capabilities |= PCISLOT_66_MHZ_SUPPORTED;
-		if (ctrl->speed == 1)
+		if (ctrl->speed == PCI_SPEED_66MHz)
 			new_slot->capabilities |= PCISLOT_66_MHZ_OPERATION;
 
 		ctrl_slot = slot_device - (readb(ctrl->hpc_reg + SLOT_MASK) >> 4);
@@ -782,6 +786,44 @@ static int get_adapter_status (struct hotplug_slot *hotplug_slot, u8 *value)
 	return 0;
 }
 
+static int get_max_bus_speed (struct hotplug_slot *hotplug_slot, enum pci_bus_speed *value)
+{
+	struct slot *slot = get_slot (hotplug_slot, __FUNCTION__);
+	struct controller *ctrl;
+	
+	if (slot == NULL)
+		return -ENODEV;
+
+	dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name);
+
+	ctrl = slot->ctrl;
+	if (ctrl == NULL)
+		return -ENODEV;
+	
+	*value = ctrl->speed_capability;
+
+	return 0;
+}
+
+static int get_cur_bus_speed (struct hotplug_slot *hotplug_slot, enum pci_bus_speed *value)
+{
+	struct slot *slot = get_slot (hotplug_slot, __FUNCTION__);
+	struct controller *ctrl;
+	
+	if (slot == NULL)
+		return -ENODEV;
+
+	dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name);
+
+	ctrl = slot->ctrl;
+	if (ctrl == NULL)
+		return -ENODEV;
+	
+	*value = ctrl->speed;
+
+	return 0;
+}
+
 static int cpqhpc_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 {
 	u8 num_of_slots = 0;
@@ -853,28 +895,28 @@ static int cpqhpc_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 					case PCI_SUB_HPC_ID:
 						/* Original 6500/7000 implementation */
 						ctrl->slot_switch_type = 1;		// Switch is present
-						ctrl->speed_capability = CTRL_SPEED_33MHz;
+						ctrl->speed_capability = PCI_SPEED_33MHz;
 						ctrl->push_button = 0;			// No pushbutton
 						ctrl->pci_config_space = 1;		// Index/data access to working registers 0 = not supported, 1 = supported
-						ctrl->defeature_PHP = 1;			// PHP is supported
+						ctrl->defeature_PHP = 1;		// PHP is supported
 						ctrl->pcix_support = 0;			// PCI-X not supported
-						ctrl->pcix_speed_capability = 0;		// N/A since PCI-X not supported
+						ctrl->pcix_speed_capability = 0;	// N/A since PCI-X not supported
 						break;
 					case PCI_SUB_HPC_ID2:
 						/* First Pushbutton implementation */
 						ctrl->push_flag = 1;
 						ctrl->slot_switch_type = 1;		// Switch is present
-						ctrl->speed_capability = CTRL_SPEED_33MHz;
+						ctrl->speed_capability = PCI_SPEED_33MHz;
 						ctrl->push_button = 1;			// Pushbutton is present
 						ctrl->pci_config_space = 1;		// Index/data access to working registers 0 = not supported, 1 = supported
-						ctrl->defeature_PHP = 1;			// PHP is supported
+						ctrl->defeature_PHP = 1;		// PHP is supported
 						ctrl->pcix_support = 0;			// PCI-X not supported
-						ctrl->pcix_speed_capability = 0;		// N/A since PCI-X not supported
+						ctrl->pcix_speed_capability = 0;	// N/A since PCI-X not supported
 						break;
 					case PCI_SUB_HPC_ID_INTC:
 						/* Third party (6500/7000) */
 						ctrl->slot_switch_type = 1;		// Switch is present
-						ctrl->speed_capability = CTRL_SPEED_33MHz;
+						ctrl->speed_capability = PCI_SPEED_33MHz;
 						ctrl->push_button = 0;			// No pushbutton
 						ctrl->pci_config_space = 1;		// Index/data access to working registers 0 = not supported, 1 = supported
 						ctrl->defeature_PHP = 1;			// PHP is supported
@@ -885,7 +927,7 @@ static int cpqhpc_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 						/* First 66 Mhz implementation */
 						ctrl->push_flag = 1;
 						ctrl->slot_switch_type = 1;		// Switch is present
-						ctrl->speed_capability = CTRL_SPEED_66MHz;
+						ctrl->speed_capability = PCI_SPEED_66MHz;
 						ctrl->push_button = 1;			// Pushbutton is present
 						ctrl->pci_config_space = 1;		// Index/data access to working registers 0 = not supported, 1 = supported
 						ctrl->defeature_PHP = 1;		// PHP is supported
@@ -903,9 +945,9 @@ static int cpqhpc_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 			case PCI_VENDOR_ID_INTEL:
 				/* Check for speed capability (0=33, 1=66) */
 				if (subsystem_deviceid & 0x0001) {
-					ctrl->speed_capability = CTRL_SPEED_66MHz;
+					ctrl->speed_capability = PCI_SPEED_66MHz;
 				} else {
-					ctrl->speed_capability = CTRL_SPEED_33MHz;
+					ctrl->speed_capability = PCI_SPEED_33MHz;
 				}
 
 				/* Check for push button */
@@ -982,7 +1024,7 @@ static int cpqhpc_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	info("Initializing the PCI hot plug controller residing on PCI bus %d\n", pdev->bus->number);
 
 	dbg ("Hotplug controller capabilities:\n");
-	dbg ("    speed_capability       %s\n", ctrl->speed_capability == CTRL_SPEED_33MHz ? "33MHz" : "66Mhz");
+	dbg ("    speed_capability       %s\n", ctrl->speed_capability == PCI_SPEED_33MHz ? "33MHz" : "66Mhz");
 	dbg ("    slot_switch_type       %s\n", ctrl->slot_switch_type == 0 ? "no switch" : "switch present");
 	dbg ("    defeature_PHP          %s\n", ctrl->defeature_PHP == 0 ? "PHP not supported" : "PHP supported");
 	dbg ("    alternate_base_address %s\n", ctrl->alternate_base_address == 0 ? "not supported" : "supported");

drivers/hotplug/cpqphp_ctrl.c

@@ -1187,7 +1187,7 @@ static u32 board_replaced(struct pci_func * func, struct controller * ctrl)
 		//*********************************
 		rc = CARD_FUNCTIONING;
 	} else {
-		if (ctrl->speed == 1) {
+		if (ctrl->speed == PCI_SPEED_66MHz) {
 			// Wait for exclusive access to hardware
 			down(&ctrl->crit_sect);
 
@@ -1385,7 +1385,7 @@ static u32 board_added(struct pci_func * func, struct controller * ctrl)
 	dbg("%s: func->device, slot_offset, hp_slot = %d, %d ,%d\n",
 	    __FUNCTION__, func->device, ctrl->slot_device_offset, hp_slot);
 
-	if (ctrl->speed == 1) {
+	if (ctrl->speed == PCI_SPEED_66MHz) {
 		// Wait for exclusive access to hardware
 		down(&ctrl->crit_sect);
 

drivers/hotplug/ibmphp_core.c

@@ -384,14 +384,15 @@ static int get_adapter_present (struct hotplug_slot *hotplug_slot, u8 * value)
 	debug ("get_adapter_present - Exit rc[%d] hpcrc[%x] value[%x]\n", rc, hpcrc, *value);
 	return rc;
 }
-/*
-static int get_max_bus_speed (struct hotplug_slot *hotplug_slot, u8 * value)
+
+static int get_max_bus_speed (struct hotplug_slot *hotplug_slot, enum pci_bus_speed *value)
 {
 	int rc = -ENODEV;
 	struct slot *pslot;
 	u8 mode = 0;
 
-	debug ("get_max_bus_speed - Entry hotplug_slot[%lx] pvalue[%lx]\n", (ulong)hotplug_slot, (ulong) value);
+	debug ("%s - Entry hotplug_slot[%p] pvalue[%p]\n", __FUNCTION__,
+		hotplug_slot, value);
 
 	ibmphp_lock_operations ();
 
@@ -413,25 +414,26 @@ static int get_max_bus_speed (struct hotplug_slot *hotplug_slot, u8 * value)
 				*value = pslot->supported_speed + 0x01;
 				break;
 			default:
-*/				/* Note (will need to change): there would be soon 256, 512 also */
-/*				rc = -ENODEV;
+				/* Note (will need to change): there would be soon 256, 512 also */
+				rc = -ENODEV;
 			}
 		}
 	} else
 		rc = -ENODEV;
 
 	ibmphp_unlock_operations ();
-	debug ("get_max_bus_speed - Exit rc[%d] value[%x]\n", rc, *value);
+	debug ("%s - Exit rc[%d] value[%x]\n", __FUNCTION__, rc, *value);
 	return rc;
 }
 
-static int get_cur_bus_speed (struct hotplug_slot *hotplug_slot, u8 * value)
+static int get_cur_bus_speed (struct hotplug_slot *hotplug_slot, enum pci_bus_speed *value)
 {
 	int rc = -ENODEV;
 	struct slot *pslot;
 	u8 mode = 0;
 
-	debug ("get_cur_bus_speed - Entry hotplug_slot[%lx] pvalue[%lx]\n", (ulong)hotplug_slot, (ulong) value);
+	debug ("%s - Entry hotplug_slot[%p] pvalue[%p]\n", __FUNCTION__,
+		hotplug_slot, value);
 
 	ibmphp_lock_operations ();
 
@@ -458,8 +460,8 @@ static int get_cur_bus_speed (struct hotplug_slot *hotplug_slot, u8 * value)
 					*value += 0x01;
 					break;
 				default:
-*/					/* Note of change: there would also be 256, 512 soon */
-/*					rc = -ENODEV;
+					/* Note of change: there would also be 256, 512 soon */
+					rc = -ENODEV;
 				}
 			}
 		}
@@ -467,10 +469,10 @@ static int get_cur_bus_speed (struct hotplug_slot *hotplug_slot, u8 * value)
 		rc = -ENODEV;
 
 	ibmphp_unlock_operations ();
-	debug ("get_cur_bus_speed - Exit rc[%d] value[%x]\n", rc, *value);
+	debug ("%s - Exit rc[%d] value[%x]\n", __FUNCTION__, rc, *value);
 	return rc;
 }
-
+/*
 static int get_max_adapter_speed_1 (struct hotplug_slot *hotplug_slot, u8 * value, u8 flag)
 {
 	int rc = -ENODEV;
@@ -1584,9 +1586,9 @@ struct hotplug_slot_ops ibmphp_hotplug_slot_ops = {
 	.get_attention_status =		get_attention_status,
 	.get_latch_status =		get_latch_status,
 	.get_adapter_status =		get_adapter_present,
-/*	.get_max_bus_speed_status =	get_max_bus_speed,
-	.get_max_adapter_speed_status =	get_max_adapter_speed,
-	.get_cur_bus_speed_status =	get_cur_bus_speed,
+	.get_max_bus_speed =		get_max_bus_speed,
+	.get_cur_bus_speed =		get_cur_bus_speed,
+/*	.get_max_adapter_speed =	get_max_adapter_speed,
 	.get_bus_name_status =		get_bus_name,
 */
 };

drivers/hotplug/pci_hotplug.h

@@ -29,6 +29,22 @@
 #define _PCI_HOTPLUG_H
 
 
+/* These values come from the PCI Hotplug Spec */
+enum pci_bus_speed {
+	PCI_SPEED_33MHz			= 0x00,
+	PCI_SPEED_66MHz			= 0x01,
+	PCI_SPEED_66MHz_PCIX		= 0x02,
+	PCI_SPEED_100MHz_PCIX		= 0x03,
+	PCI_SPEED_133MHz_PCIX		= 0x04,
+	PCI_SPEED_66MHz_PCIX_266	= 0x09,
+	PCI_SPEED_100MHz_PCIX_266	= 0x0a,
+	PCI_SPEED_133MHz_PCIX_266	= 0x0b,
+	PCI_SPEED_66MHz_PCIX_533	= 0x11,
+	PCI_SPEED_100MHz_PCIX_533	= 0X12,
+	PCI_SPEED_133MHz_PCIX_533	= 0x13,
+	PCI_SPEED_UNKNOWN		= 0xff,
+};
+
 struct hotplug_slot;
 struct hotplug_slot_core;
 
@@ -50,7 +66,13 @@ struct hotplug_slot_core;
  * @get_latch_status: Called to get the current latch status of a slot.
  *	If this field is NULL, the value passed in the struct hotplug_slot_info
  *	will be used when this value is requested by a user.
- * @get_adapter_present: Called to get see if an adapter is present in the slot or not.
+ * @get_adapter_status: Called to get see if an adapter is present in the slot or not.
+ *	If this field is NULL, the value passed in the struct hotplug_slot_info
+ *	will be used when this value is requested by a user.
+ * @get_max_bus_speed: Called to get the max bus speed for a slot.
+ *	If this field is NULL, the value passed in the struct hotplug_slot_info
+ *	will be used when this value is requested by a user.
+ * @get_cur_bus_speed: Called to get the current bus speed for a slot.
  *	If this field is NULL, the value passed in the struct hotplug_slot_info
  *	will be used when this value is requested by a user.
  *
@@ -69,6 +91,8 @@ struct hotplug_slot_ops {
 	int (*get_attention_status)	(struct hotplug_slot *slot, u8 *value);
 	int (*get_latch_status)		(struct hotplug_slot *slot, u8 *value);
 	int (*get_adapter_status)	(struct hotplug_slot *slot, u8 *value);
+	int (*get_max_bus_speed)	(struct hotplug_slot *slot, enum pci_bus_speed *value);
+	int (*get_cur_bus_speed)	(struct hotplug_slot *slot, enum pci_bus_speed *value);
 };
 
 /**
@@ -85,6 +109,8 @@ struct hotplug_slot_info {
 	u8	attention_status;
 	u8	latch_status;
 	u8	adapter_status;
+	enum pci_bus_speed	max_bus_speed;
+	enum pci_bus_speed	cur_bus_speed;
 };
 
 /**

drivers/pci/proc.c

@@ -371,7 +371,7 @@ static struct seq_operations proc_bus_pci_devices_op = {
 	show:	show_device
 };
 
-static struct proc_dir_entry *proc_bus_pci_dir;
+struct proc_dir_entry *proc_bus_pci_dir;
 
 /* driverfs files */
 static ssize_t pci_show_irq(struct device * dev, char * buf, size_t count, loff_t off)
@@ -621,5 +621,6 @@ EXPORT_SYMBOL(pci_proc_attach_device);
 EXPORT_SYMBOL(pci_proc_detach_device);
 EXPORT_SYMBOL(pci_proc_attach_bus);
 EXPORT_SYMBOL(pci_proc_detach_bus);
+EXPORT_SYMBOL(proc_bus_pci_dir);
 #endif
 

kernel/exit.c

@@ -610,8 +610,7 @@ NORET_TYPE void do_exit(long code)
 	if (tsk->pid == 1)
 		panic("Attempted to kill init!");
 	tsk->flags |= PF_EXITING;
-	if (timer_pending(&tsk->real_timer))
-		del_timer_sync(&tsk->real_timer);
+	del_timer_sync(&tsk->real_timer);
 
 	if (unlikely(preempt_count()))
 		printk(KERN_INFO "note: %s[%d] exited with preempt_count %d\n",

kernel/ksyms.c

@@ -53,6 +53,7 @@
 #include <linux/root_dev.h>
 #include <linux/percpu.h>
 #include <linux/smp_lock.h>
+#include <linux/dnotify.h>
 #include <asm/checksum.h>
 
 #if defined(CONFIG_PROC_FS)
@@ -560,6 +561,7 @@ EXPORT_SYMBOL(buffer_insert_list);
 EXPORT_SYMBOL(make_bad_inode);
 EXPORT_SYMBOL(is_bad_inode);
 EXPORT_SYMBOL(event);
+EXPORT_SYMBOL(__inode_dir_notify);
 
 #ifdef CONFIG_UID16
 EXPORT_SYMBOL(overflowuid);