Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6

* master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6: (40 commits)
  [SPARC64]: Update defconfig.
  [SPARC64]: Make auxio a real driver.
  [PARPORT] sunbpp: Convert to new SBUS device framework.
  [Documentation]: Update probing info in sbus_drivers.txt
  [SCSI] qlogicpti: Convert to new SBUS device framework.
  [SCSI] esp: Fix bug in esp_remove_common.
  [NET] sunhme: Kill useless loop over sdevs in quattro_sbus_find().
  [NET] myri_sbus: Kill unused next_module struct member.
  [NET] myri_sbus: Convert to new SBUS device layer.
  [NET] sunqe: Convert to new SBUS driver layer.
  [NET] sunbmac: Convert over to new SBUS device framework.
  [NET] sunlance: Convert to new SBUS driver framework.
  [NET] sunhme: Convert to new SBUS driver framework.
  [NET] sunhme: Kill __sparc__ and __sparc_v9__ ifdefs.
  [SCSI] sparc: Port esp to new SBUS driver layer.
  [SOUND] sparc: Port amd7930 to new SBUS device layer.
  [SBUS]: Rewrite and plug into of_device framework.
  [SPARC]: Port of_device layer and make ebus use it.
  [SPARC]: Port sparc64 in-kernel device tree code to sparc32.
  [SPARC64]: Add of_device layer and make ebus/isa use it.
  ...

85 files changed, 5259 insertions, 3224 deletions

diff --git a/Documentation/sparc/sbus_drivers.txt b/Documentation/sparc/sbus_drivers.txt
index 876195dc2ae..4b9351624f1 100644
--- a/Documentation/sparc/sbus_drivers.txt
+++ b/Documentation/sparc/sbus_drivers.txt
@@ -25,42 +25,84 @@ the bits necessary to run your device.  The most commonly
 used members of this structure, and their typical usage,
 will be detailed below.
 
-	Here is how probing is performed by an SBUS driver
-under Linux:
+	Here is a piece of skeleton code for perofming a device
+probe in an SBUS driverunder Linux:
 
-	static void init_one_mydevice(struct sbus_dev *sdev)
+	static int __devinit mydevice_probe_one(struct sbus_dev *sdev)
 	{
+		struct mysdevice *mp = kzalloc(sizeof(*mp), GFP_KERNEL);
+
+		if (!mp)
+			return -ENODEV;
+
+		...
+		dev_set_drvdata(&sdev->ofdev.dev, mp);
+		return 0;
 		...
 	}
 
-	static int mydevice_match(struct sbus_dev *sdev)
+	static int __devinit mydevice_probe(struct of_device *dev,
+				            const struct of_device_id *match)
 	{
-		if (some_criteria(sdev))
-			return 1;
-		return 0;
+		struct sbus_dev *sdev = to_sbus_device(&dev->dev);
+
+		return mydevice_probe_one(sdev);
 	}
 
-	static void mydevice_probe(void)
+	static int __devexit mydevice_remove(struct of_device *dev)
 	{
-		struct sbus_bus *sbus;
-		struct sbus_dev *sdev;
+		struct sbus_dev *sdev = to_sbus_device(&dev->dev);
+		struct mydevice *mp = dev_get_drvdata(&dev->dev);
 
-		for_each_sbus(sbus) {
-			for_each_sbusdev(sdev, sbus) {
-				if (mydevice_match(sdev))
-					init_one_mydevice(sdev);
-			}
-		}
+		return mydevice_remove_one(sdev, mp);
 	}
 
-	All this does is walk through all SBUS devices in the
-system, checks each to see if it is of the type which
-your driver is written for, and if so it calls the init
-routine to attach the device and prepare to drive it.
+	static struct of_device_id mydevice_match[] = {
+		{
+			.name = "mydevice",
+		},
+		{},
+	};
+
+	MODULE_DEVICE_TABLE(of, mydevice_match);
 
-	"init_one_mydevice" might do things like allocate software
-state structures, map in I/O registers, place the hardware
-into an initialized state, etc.
+	static struct of_platform_driver mydevice_driver = {
+		.name		= "mydevice",
+		.match_table	= mydevice_match,
+		.probe		= mydevice_probe,
+		.remove		= __devexit_p(mydevice_remove),
+	};
+
+	static int __init mydevice_init(void)
+	{
+		return of_register_driver(&mydevice_driver, &sbus_bus_type);
+	}
+
+	static void __exit mydevice_exit(void)
+	{
+		of_unregister_driver(&mydevice_driver);
+	}
+
+	module_init(mydevice_init);
+	module_exit(mydevice_exit);
+
+	The mydevice_match table is a series of entries which
+describes what SBUS devices your driver is meant for.  In the
+simplest case you specify a string for the 'name' field.  Every
+SBUS device with a 'name' property matching your string will
+be passed one-by-one to your .probe method.
+
+	You should store away your device private state structure
+pointer in the drvdata area so that you can retrieve it later on
+in your .remove method.
+
+	Any memory allocated, registers mapped, IRQs registered,
+etc. must be undone by your .remove method so that all resources
+of your device are relased by the time it returns.
+
+	You should _NOT_ use the for_each_sbus(), for_each_sbusdev(),
+and for_all_sbusdev() interfaces.  They are deprecated, will be
+removed, and no new driver should reference them ever.
 
 		Mapping and Accessing I/O Registers
 
@@ -263,10 +305,3 @@ discussed above and plus it handles both PCI and SBUS boards.
 	Lance driver abuses consistent mappings for data transfer.
 It is a nifty trick which we do not particularly recommend...
 Just check it out and know that it's legal.
-
-			Bad examples, do NOT use
-
-	drivers/video/cgsix.c
-	This one uses result of sbus_ioremap as if it is an address.
-This does NOT work on sparc64 and therefore is broken. We will
-convert it at a later date.
diff --git a/arch/sparc/kernel/Makefile b/arch/sparc/kernel/Makefile
index 1b83e21841b..6616ee05c31 100644
--- a/arch/sparc/kernel/Makefile
+++ b/arch/sparc/kernel/Makefile
@@ -12,7 +12,7 @@ obj-y    := entry.o wof.o wuf.o etrap.o rtrap.o traps.o $(IRQ_OBJS) \
 	    sys_sparc.o sunos_asm.o systbls.o \
 	    time.o windows.o cpu.o devices.o sclow.o \
 	    tadpole.o tick14.o ptrace.o sys_solaris.o \
-	    unaligned.o muldiv.o semaphore.o
+	    unaligned.o muldiv.o semaphore.o prom.o of_device.o
 
 obj-$(CONFIG_PCI) += pcic.o
 obj-$(CONFIG_SUN4) += sun4setup.o
diff --git a/arch/sparc/kernel/ebus.c b/arch/sparc/kernel/ebus.c
index 5c3529ceb5d..a7a4892956c 100644
--- a/arch/sparc/kernel/ebus.c
+++ b/arch/sparc/kernel/ebus.c
@@ -20,6 +20,7 @@
 #include <asm/ebus.h>
 #include <asm/io.h>
 #include <asm/oplib.h>
+#include <asm/prom.h>
 #include <asm/bpp.h>
 
 struct linux_ebus *ebus_chain = NULL;
@@ -83,79 +84,81 @@ int __init ebus_blacklist_irq(char *name)
 	return 0;
 }
 
-void __init fill_ebus_child(int node, struct linux_prom_registers *preg,
-				struct linux_ebus_child *dev)
+void __init fill_ebus_child(struct device_node *dp,
+			    struct linux_ebus_child *dev)
 {
-	int regs[PROMREG_MAX];
-	int irqs[PROMREG_MAX];
-	char lbuf[128];
+	int *regs;
+	int *irqs;
 	int i, len;
 
-	dev->prom_node = node;
-	prom_getstring(node, "name", lbuf, sizeof(lbuf));
-	strcpy(dev->prom_name, lbuf);
-
-	len = prom_getproperty(node, "reg", (void *)regs, sizeof(regs));
-	if (len == -1) len = 0;
+	dev->prom_node = dp;
+	regs = of_get_property(dp, "reg", &len);
+	if (!regs)
+		len = 0;
 	dev->num_addrs = len / sizeof(regs[0]);
 
 	for (i = 0; i < dev->num_addrs; i++) {
 		if (regs[i] >= dev->parent->num_addrs) {
 			prom_printf("UGH: property for %s was %d, need < %d\n",
-				    dev->prom_name, len, dev->parent->num_addrs);
+				    dev->prom_node->name, len,
+				    dev->parent->num_addrs);
 			panic(__FUNCTION__);
 		}
-		dev->resource[i].start = dev->parent->resource[regs[i]].start; /* XXX resource */
+
+		/* XXX resource */
+		dev->resource[i].start =
+			dev->parent->resource[regs[i]].start;
 	}
 
 	for (i = 0; i < PROMINTR_MAX; i++)
 		dev->irqs[i] = PCI_IRQ_NONE;
 
-	if ((dev->irqs[0] = ebus_blacklist_irq(dev->prom_name)) != 0) {
+	if ((dev->irqs[0] = ebus_blacklist_irq(dev->prom_node->name)) != 0) {
 		dev->num_irqs = 1;
-	} else if ((len = prom_getproperty(node, "interrupts",
-	    (char *)&irqs, sizeof(irqs))) == -1 || len == 0) {
-		dev->num_irqs = 0;
-		dev->irqs[0] = 0;
-		if (dev->parent->num_irqs != 0) {
-			dev->num_irqs = 1;
-			dev->irqs[0] = dev->parent->irqs[0];
-/* P3 */ /* printk("EBUS: dev %s irq %d from parent\n", dev->prom_name, dev->irqs[0]); */
-		}
 	} else {
-		dev->num_irqs = len / sizeof(irqs[0]);
-		if (irqs[0] == 0 || irqs[0] >= 8) {
-			/*
-			 * XXX Zero is a valid pin number...
-			 * This works as long as Ebus is not wired to INTA#.
-			 */
-			printk("EBUS: %s got bad irq %d from PROM\n",
-			    dev->prom_name, irqs[0]);
+		irqs = of_get_property(dp, "interrupts", &len);
+		if (!irqs) {
 			dev->num_irqs = 0;
 			dev->irqs[0] = 0;
+			if (dev->parent->num_irqs != 0) {
+				dev->num_irqs = 1;
+				dev->irqs[0] = dev->parent->irqs[0];
+			}
 		} else {
-			dev->irqs[0] = pcic_pin_to_irq(irqs[0], dev->prom_name);
+			dev->num_irqs = len / sizeof(irqs[0]);
+			if (irqs[0] == 0 || irqs[0] >= 8) {
+				/*
+				 * XXX Zero is a valid pin number...
+				 * This works as long as Ebus is not wired
+				 * to INTA#.
+				 */
+				printk("EBUS: %s got bad irq %d from PROM\n",
+				       dev->prom_node->name, irqs[0]);
+				dev->num_irqs = 0;
+				dev->irqs[0] = 0;
+			} else {
+				dev->irqs[0] =
+					pcic_pin_to_irq(irqs[0],
+							dev->prom_node->name);
+			}
 		}
 	}
 }
 
-void __init fill_ebus_device(int node, struct linux_ebus_device *dev)
+void __init fill_ebus_device(struct device_node *dp, struct linux_ebus_device *dev)
 {
-	struct linux_prom_registers regs[PROMREG_MAX];
+	struct linux_prom_registers *regs;
 	struct linux_ebus_child *child;
-	int irqs[PROMINTR_MAX];
-	char lbuf[128];
+	int *irqs;
 	int i, n, len;
 	unsigned long baseaddr;
 
-	dev->prom_node = node;
-	prom_getstring(node, "name", lbuf, sizeof(lbuf));
-	strcpy(dev->prom_name, lbuf);
+	dev->prom_node = dp;
 
-	len = prom_getproperty(node, "reg", (void *)regs, sizeof(regs));
+	regs = of_get_property(dp, "reg", &len);
 	if (len % sizeof(struct linux_prom_registers)) {
 		prom_printf("UGH: proplen for %s was %d, need multiple of %d\n",
-			    dev->prom_name, len,
+			    dev->prom_node->name, len,
 			    (int)sizeof(struct linux_prom_registers));
 		panic(__FUNCTION__);
 	}
@@ -197,7 +200,7 @@ void __init fill_ebus_device(int node, struct linux_ebus_device *dev)
 			if ((baseaddr = (unsigned long) ioremap(baseaddr,
 			    regs[i].reg_size)) == 0) {
 				panic("ebus: unable to remap dev %s",
-				    dev->prom_name);
+				      dev->prom_node->name);
 			}
 		}
 		dev->resource[i].start = baseaddr;	/* XXX Unaligned */
@@ -206,29 +209,43 @@ void __init fill_ebus_device(int node, struct linux_ebus_device *dev)
 	for (i = 0; i < PROMINTR_MAX; i++)
 		dev->irqs[i] = PCI_IRQ_NONE;
 
-	if ((dev->irqs[0] = ebus_blacklist_irq(dev->prom_name)) != 0) {
+	if ((dev->irqs[0] = ebus_blacklist_irq(dev->prom_node->name)) != 0) {
 		dev->num_irqs = 1;
-	} else if ((len = prom_getproperty(node, "interrupts",
-	    (char *)&irqs, sizeof(irqs))) == -1 || len == 0) {
-		dev->num_irqs = 0;
-		if ((dev->irqs[0] = dev->bus->self->irq) != 0) {
-			 dev->num_irqs = 1;
-/* P3 */ /* printk("EBUS: child %s irq %d from parent\n", dev->prom_name, dev->irqs[0]); */
-		}
 	} else {
-		dev->num_irqs = 1;  /* dev->num_irqs = len / sizeof(irqs[0]); */
-		if (irqs[0] == 0 || irqs[0] >= 8) {
-			/* See above for the parent. XXX */
-			printk("EBUS: %s got bad irq %d from PROM\n",
-			    dev->prom_name, irqs[0]);
+		irqs = of_get_property(dp, "interrupts", &len);
+		if (!irqs) {
 			dev->num_irqs = 0;
-			dev->irqs[0] = 0;
+			if ((dev->irqs[0] = dev->bus->self->irq) != 0) {
+				dev->num_irqs = 1;
+/* P3 */ /* printk("EBUS: child %s irq %d from parent\n", dev->prom_name, dev->irqs[0]); */
+			}
 		} else {
-			dev->irqs[0] = pcic_pin_to_irq(irqs[0], dev->prom_name);
+			dev->num_irqs = 1;  /* dev->num_irqs = len / sizeof(irqs[0]); */
+			if (irqs[0] == 0 || irqs[0] >= 8) {
+				/* See above for the parent. XXX */
+				printk("EBUS: %s got bad irq %d from PROM\n",
+				       dev->prom_node->name, irqs[0]);
+				dev->num_irqs = 0;
+				dev->irqs[0] = 0;
+			} else {
+				dev->irqs[0] =
+					pcic_pin_to_irq(irqs[0],
+							dev->prom_node->name);
+			}
 		}
 	}
 
-	if ((node = prom_getchild(node))) {
+	dev->ofdev.node = dp;
+	dev->ofdev.dev.parent = &dev->bus->ofdev.dev;
+	dev->ofdev.dev.bus = &ebus_bus_type;
+	strcpy(dev->ofdev.dev.bus_id, dp->path_component_name);
+
+	/* Register with core */
+	if (of_device_register(&dev->ofdev) != 0)
+		printk(KERN_DEBUG "ebus: device registration error for %s!\n",
+		       dev->ofdev.dev.bus_id);
+
+	if ((dp = dp->child) != NULL) {
 		dev->children = (struct linux_ebus_child *)
 			ebus_alloc(sizeof(struct linux_ebus_child));
 
@@ -236,9 +253,9 @@ void __init fill_ebus_device(int node, struct linux_ebus_device *dev)
 		child->next = NULL;
 		child->parent = dev;
 		child->bus = dev->bus;
-		fill_ebus_child(node, &regs[0], child);
+		fill_ebus_child(dp, child);
 
-		while ((node = prom_getsibling(node)) != 0) {
+		while ((dp = dp->sibling) != NULL) {
 			child->next = (struct linux_ebus_child *)
 				ebus_alloc(sizeof(struct linux_ebus_child));
 
@@ -246,51 +263,49 @@ void __init fill_ebus_device(int node, struct linux_ebus_device *dev)
 			child->next = NULL;
 			child->parent = dev;
 			child->bus = dev->bus;
-			fill_ebus_child(node, &regs[0], child);
+			fill_ebus_child(dp, child);
 		}
 	}
 }
 
 void __init ebus_init(void)
 {
-	struct linux_prom_pci_registers regs[PROMREG_MAX];
+	struct linux_prom_pci_registers *regs;
 	struct linux_pbm_info *pbm;
 	struct linux_ebus_device *dev;
 	struct linux_ebus *ebus;
 	struct ebus_system_entry *sp;
 	struct pci_dev *pdev;
 	struct pcidev_cookie *cookie;
-	char lbuf[128];
+	struct device_node *dp;
 	unsigned long addr, *base;
 	unsigned short pci_command;
-	int nd, len, ebusnd;
-	int reg, nreg;
+	int len, reg, nreg;
 	int num_ebus = 0;
 
-	prom_getstring(prom_root_node, "name", lbuf, sizeof(lbuf));
+	dp = of_find_node_by_path("/");
 	for (sp = ebus_blacklist; sp->esname != NULL; sp++) {
-		if (strcmp(lbuf, sp->esname) == 0) {
+		if (strcmp(dp->name, sp->esname) == 0) {
 			ebus_blackp = sp->ipt;
 			break;
 		}
 	}
 
 	pdev = pci_get_device(PCI_VENDOR_ID_SUN, PCI_DEVICE_ID_SUN_EBUS, NULL);
-	if (!pdev) {
+	if (!pdev)
 		re