Merge branch 'devicetree/next' of git://git.secretlab.ca/git/linux-2.6

* 'devicetree/next' of git://git.secretlab.ca/git/linux-2.6: (21 commits)
  tty: serial: altera_jtaguart: Add device tree support
  tty: serial: altera_uart: Add devicetree support
  dt: eliminate of_platform_driver shim code
  dt: Eliminate of_platform_{,un}register_driver
  dt/serial: Eliminate users of of_platform_{,un}register_driver
  dt/usb: Eliminate users of of_platform_{,un}register_driver
  dt/video: Eliminate users of of_platform_{,un}register_driver
  dt/net: Eliminate users of of_platform_{,un}register_driver
  dt/sound: Eliminate users of of_platform_{,un}register_driver
  dt/spi: Eliminate users of of_platform_{,un}register_driver
  dt: uartlite: merge platform and of_platform driver bindings
  dt: xilinx_hwicap: merge platform and of_platform driver bindings
  ipmi: convert OF driver to platform driver
  leds/leds-gpio: merge platform_driver with of_platform_driver
  dt/sparc: Eliminate users of of_platform_{,un}register_driver
  dt/powerpc: Eliminate users of of_platform_{,un}register_driver
  dt/powerpc: move of_bus_type infrastructure to ibmebus
  drivercore/dt: add a match table pointer to struct device
  dt: Typo fix.
  altera_ps2: Add devicetree support
  ...

4 files changed, 83 insertions, 141 deletions

diff --git a/drivers/char/hw_random/n2-drv.c b/drivers/char/hw_random/n2-drv.c
index a3f5e381e746..43ac61978d8b 100644
--- a/drivers/char/hw_random/n2-drv.c
+++ b/drivers/char/hw_random/n2-drv.c
@@ -619,15 +619,17 @@ static void __devinit n2rng_driver_version(void)
                 pr_info("%s", version);
 }
 
-static int __devinit n2rng_probe(struct platform_device *op,
-                                 const struct of_device_id *match)
+static int __devinit n2rng_probe(struct platform_device *op)
 {
-        int victoria_falls = (match->data != NULL);
+        int victoria_falls;
         int err = -ENOMEM;
         struct n2rng *np;
 
-        n2rng_driver_version();
+        if (!op->dev.of_match)
+                return -EINVAL;
+        victoria_falls = (op->dev.of_match->data != NULL);
 
+        n2rng_driver_version();
         np = kzalloc(sizeof(*np), GFP_KERNEL);
         if (!np)
                 goto out;
@@ -750,7 +752,7 @@ static const struct of_device_id n2rng_match[] = {
 };
 MODULE_DEVICE_TABLE(of, n2rng_match);
 
-static struct of_platform_driver n2rng_driver = {
+static struct platform_driver n2rng_driver = {
         .driver = {
                 .name = "n2rng",
                 .owner = THIS_MODULE,
@@ -762,12 +764,12 @@ static struct of_platform_driver n2rng_driver = {
 
 static int __init n2rng_init(void)
 {
-        return of_register_platform_driver(&n2rng_driver);
+        return platform_driver_register(&n2rng_driver);
 }
 
 static void __exit n2rng_exit(void)
 {
-        of_unregister_platform_driver(&n2rng_driver);
+        platform_driver_unregister(&n2rng_driver);
 }
 
 module_init(n2rng_init);
diff --git a/drivers/char/hw_random/pasemi-rng.c b/drivers/char/hw_random/pasemi-rng.c
index a31c830ca8cd..1d504815e6db 100644
--- a/drivers/char/hw_random/pasemi-rng.c
+++ b/drivers/char/hw_random/pasemi-rng.c
@@ -94,8 +94,7 @@ static struct hwrng pasemi_rng = {
         .data_read      = pasemi_rng_data_read,
 };
 
-static int __devinit rng_probe(struct platform_device *ofdev,
-                               const struct of_device_id *match)
+static int __devinit rng_probe(struct platform_device *ofdev)
 {
         void __iomem *rng_regs;
         struct device_node *rng_np = ofdev->dev.of_node;
@@ -139,7 +138,7 @@ static struct of_device_id rng_match[] = {
         { },
 };
 
-static struct of_platform_driver rng_driver = {
+static struct platform_driver rng_driver = {
         .driver = {
                 .name = "pasemi-rng",
                 .owner = THIS_MODULE,
@@ -151,13 +150,13 @@ static struct of_platform_driver rng_driver = {
 
 static int __init rng_init(void)
 {
-        return of_register_platform_driver(&rng_driver);
+        return platform_driver_register(&rng_driver);
 }
 module_init(rng_init);
 
 static void __exit rng_exit(void)
 {
-        of_unregister_platform_driver(&rng_driver);
+        platform_driver_unregister(&rng_driver);
 }
 module_exit(rng_exit);
 
diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c
index 62787e30d508..c86d43b88e1e 100644
--- a/drivers/char/ipmi/ipmi_si_intf.c
+++ b/drivers/char/ipmi/ipmi_si_intf.c
@@ -66,13 +66,10 @@
 #include <linux/string.h>
 #include <linux/ctype.h>
 #include <linux/pnp.h>
-
-#ifdef CONFIG_PPC_OF
 #include <linux/of_device.h>
 #include <linux/of_platform.h>
 #include <linux/of_address.h>
 #include <linux/of_irq.h>
-#endif
 
 #define PFX "ipmi_si: "
 
@@ -116,13 +113,7 @@ static char *ipmi_addr_src_to_str[] = { NULL, "hotmod", "hardcoded", "SPMI",
 
 #define DEVICE_NAME "ipmi_si"
 
-static struct platform_driver ipmi_driver = {
-        .driver = {
-                .name = DEVICE_NAME,
-                .bus = &platform_bus_type
-        }
-};
-
+static struct platform_driver ipmi_driver;
 
 /*
  * Indexes into stats[] in smi_info below.
@@ -308,9 +299,6 @@ static int pci_registered;
 #ifdef CONFIG_ACPI
 static int pnp_registered;
 #endif
-#ifdef CONFIG_PPC_OF
-static int of_registered;
-#endif
 
 static unsigned int kipmid_max_busy_us[SI_MAX_PARMS];
 static int num_max_busy_us;
@@ -1868,8 +1856,9 @@ static int hotmod_handler(const char *val, struct kernel_param *kp)
         return rv;
 }
 
-static void __devinit hardcode_find_bmc(void)
+static int __devinit hardcode_find_bmc(void)
 {
+        int ret = -ENODEV;
         int             i;
         struct smi_info *info;
 
@@ -1879,7 +1868,7 @@ static void __devinit hardcode_find_bmc(void)
 
                 info = smi_info_alloc();
                 if (!info)
-                        return;
+                        return -ENOMEM;
 
                 info->addr_source = SI_HARDCODED;
                 printk(KERN_INFO PFX "probing via hardcoded address\n");
@@ -1932,10 +1921,12 @@ static void __devinit hardcode_find_bmc(void)
                 if (!add_smi(info)) {
                         if (try_smi_init(info))
                                 cleanup_one_si(info);
+                        ret = 0;
                 } else {
                         kfree(info);
                 }
         }
+        return ret;
 }
 
 #ifdef CONFIG_ACPI
@@ -2563,11 +2554,9 @@ static struct pci_driver ipmi_pci_driver = {
 };
 #endif /* CONFIG_PCI */
 
-
-#ifdef CONFIG_PPC_OF
-static int __devinit ipmi_of_probe(struct platform_device *dev,
-                         const struct of_device_id *match)
+static int __devinit ipmi_probe(struct platform_device *dev)
 {
+#ifdef CONFIG_OF
         struct smi_info *info;
         struct resource resource;
         const __be32 *regsize, *regspacing, *regshift;
@@ -2577,6 +2566,9 @@ static int __devinit ipmi_of_probe(struct platform_device *dev,
 
         dev_info(&dev->dev, "probing via device tree\n");
 
+        if (!dev->dev.of_match)
+                return -EINVAL;
+
         ret = of_address_to_resource(np, 0, &resource);
         if (ret) {
                 dev_warn(&dev->dev, PFX "invalid address from OF\n");
@@ -2609,7 +2601,7 @@ static int __devinit ipmi_of_probe(struct platform_device *dev,
                 return -ENOMEM;
         }
 
-        info->si_type           = (enum si_type) match->data;
+        info->si_type           = (enum si_type) dev->dev.of_match->data;
         info->addr_source       = SI_DEVICETREE;
         info->irq_setup         = std_irq_setup;
 
@@ -2640,13 +2632,15 @@ static int __devinit ipmi_of_probe(struct platform_device *dev,
                 kfree(info);
                 return -EBUSY;
         }
-
+#endif
         return 0;
 }
 
-static int __devexit ipmi_of_remove(struct platform_device *dev)
+static int __devexit ipmi_remove(struct platform_device *dev)
 {
+#ifdef CONFIG_OF
         cleanup_one_si(dev_get_drvdata(&dev->dev));
+#endif
         return 0;
 }
 
@@ -2661,16 +2655,15 @@ static struct of_device_id ipmi_match[] =
         {},
 };
 
-static struct of_platform_driver ipmi_of_platform_driver = {
+static struct platform_driver ipmi_driver = {
         .driver = {
-                .name = "ipmi",
+                .name = DEVICE_NAME,
                 .owner = THIS_MODULE,
                 .of_match_table = ipmi_match,
         },
-        .probe          = ipmi_of_probe,
-        .remove         = __devexit_p(ipmi_of_remove),
+        .probe          = ipmi_probe,
+        .remove         = __devexit_p(ipmi_remove),
 };
-#endif /* CONFIG_PPC_OF */
 
 static int wait_for_msg_done(struct smi_info *smi_info)
 {
@@ -3348,8 +3341,7 @@ static int __devinit init_ipmi_si(void)
                 return 0;
         initialized = 1;
 
-        /* Register the device drivers. */
-        rv = driver_register(&ipmi_driver.driver);
+        rv = platform_driver_register(&ipmi_driver);
         if (rv) {
                 printk(KERN_ERR PFX "Unable to register driver: %d\n", rv);
                 return rv;
@@ -3373,15 +3365,9 @@ static int __devinit init_ipmi_si(void)
 
         printk(KERN_INFO "IPMI System Interface driver.\n");
 
-        hardcode_find_bmc();
-
         /* If the user gave us a device, they presumably want us to use it */
-        mutex_lock(&smi_infos_lock);
-        if (!list_empty(&smi_infos)) {
-                mutex_unlock(&smi_infos_lock);
+        if (!hardcode_find_bmc())
                 return 0;
-        }
-        mutex_unlock(&smi_infos_lock);
 
 #ifdef CONFIG_PCI
         rv = pci_register_driver(&ipmi_pci_driver);
@@ -3404,11 +3390,6 @@ static int __devinit init_ipmi_si(void)
         spmi_find_bmc();
 #endif
 
-#ifdef CONFIG_PPC_OF
-        of_register_platform_driver(&ipmi_of_platform_driver);
-        of_registered = 1;
-#endif
-
         /* We prefer devices with interrupts, but in the case of a machine
            with multiple BMCs we assume that there will be several instances
            of a given type so if we succeed in registering a type then also
@@ -3556,17 +3537,12 @@ static void __exit cleanup_ipmi_si(void)
                 pnp_unregister_driver(&ipmi_pnp_driver);
 #endif
 
-#ifdef CONFIG_PPC_OF
-        if (of_registered)
-                of_unregister_platform_driver(&ipmi_of_platform_driver);
-#endif
+        platform_driver_unregister(&ipmi_driver);
 
         mutex_lock(&smi_infos_lock);
         list_for_each_entry_safe(e, tmp_e, &smi_infos, link)
                 cleanup_one_si(e);
         mutex_unlock(&smi_infos_lock);
-
-        driver_unregister(&ipmi_driver.driver);
 }
 module_exit(cleanup_ipmi_si);
 
diff --git a/drivers/char/xilinx_hwicap/xilinx_hwicap.c b/drivers/char/xilinx_hwicap/xilinx_hwicap.c
index 9f2272e6de1c..d3c9d755ed98 100644
--- a/drivers/char/xilinx_hwicap/xilinx_hwicap.c
+++ b/drivers/char/xilinx_hwicap/xilinx_hwicap.c
@@ -714,20 +714,29 @@ static int __devexit hwicap_remove(struct device *dev)
         return 0;               /* success */
 }
 
-static int __devinit hwicap_drv_probe(struct platform_device *pdev)
+#ifdef CONFIG_OF
+static int __devinit hwicap_of_probe(struct platform_device *op)
 {
-        struct resource *res;
-        const struct config_registers *regs;
+        struct resource res;
+        const unsigned int *id;
         const char *family;
+        int rc;
+        const struct hwicap_driver_config *config = op->dev.of_match->data;
+        const struct config_registers *regs;
 
-        res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-        if (!res)
-                return -ENODEV;
+
+        rc = of_address_to_resource(op->dev.of_node, 0, &res);
+        if (rc) {
+                dev_err(&op->dev, "invalid address\n");
+                return rc;
+        }
+
+        id = of_get_property(op->dev.of_node, "port-number", NULL);
 
         /* It's most likely that we're using V4, if the family is not
            specified */
         regs = &v4_config_registers;
-        family = pdev->dev.platform_data;
+        family = of_get_property(op->dev.of_node, "xlnx,family", NULL);
 
         if (family) {
                 if (!strcmp(family, "virtex2p")) {
@@ -738,54 +747,33 @@ static int __devinit hwicap_drv_probe(struct platform_device *pdev)
                         regs = &v5_config_registers;
                 }
         }
-
-        return hwicap_setup(&pdev->dev, pdev->id, res,
-                        &buffer_icap_config, regs);
+        return hwicap_setup(&op->dev, id ? *id : -1, &res, config,
+                        regs);
 }
-
-static int __devexit hwicap_drv_remove(struct platform_device *pdev)
+#else
+static inline int hwicap_of_probe(struct platform_device *op)
 {
-        return hwicap_remove(&pdev->dev);
+        return -EINVAL;
 }
+#endif /* CONFIG_OF */
 
-static struct platform_driver hwicap_platform_driver = {
-        .probe = hwicap_drv_probe,
-        .remove = hwicap_drv_remove,
-        .driver = {
-                .owner = THIS_MODULE,
-                .name = DRIVER_NAME,
-        },
-};
-
-/* ---------------------------------------------------------------------
- * OF bus binding
- */
-
-#if defined(CONFIG_OF)
-static int __devinit
-hwicap_of_probe(struct platform_device *op, const struct of_device_id *match)
+static int __devinit hwicap_drv_probe(struct platform_device *pdev)
 {
-        struct resource res;
-        const unsigned int *id;
-        const char *family;
-        int rc;
-        const struct hwicap_driver_config *config = match->data;
+        struct resource *res;
         const struct config_registers *regs;
+        const char *family;
 
-        dev_dbg(&op->dev, "hwicap_of_probe(%p, %p)\n", op, match);
-
-        rc = of_address_to_resource(op->dev.of_node, 0, &res);
-        if (rc) {
-                dev_err(&op->dev, "invalid address\n");
-                return rc;
-        }
+        if (pdev->dev.of_match)
+                return hwicap_of_probe(pdev);
 
-        id = of_get_property(op->dev.of_node, "port-number", NULL);
+        res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+        if (!res)
+                return -ENODEV;
 
         /* It's most likely that we're using V4, if the family is not
            specified */
         regs = &v4_config_registers;
-        family = of_get_property(op->dev.of_node, "xlnx,family", NULL);
+        family = pdev->dev.platform_data;
 
         if (family) {
                 if (!strcmp(family, "virtex2p")) {
@@ -796,50 +784,38 @@ hwicap_of_probe(struct platform_device *op, const struct of_device_id *match)
                         regs = &v5_config_registers;
                 }
         }
-        return hwicap_setup(&op->dev, id ? *id : -1, &res, config,
-                        regs);
+
+        return hwicap_setup(&pdev->dev, pdev->id, res,
+                        &buffer_icap_config, regs);
 }
 
-static int __devexit hwicap_of_remove(struct platform_device *op)
+static int __devexit hwicap_drv_remove(struct platform_device *pdev)
 {
-        return hwicap_remove(&op->dev);
+        return hwicap_remove(&pdev->dev);
 }
 
-/* Match table for of_platform binding */
+#ifdef CONFIG_OF
+/* Match table for device tree binding */
 static const struct of_device_id __devinitconst hwicap_of_match[] = {
         { .compatible = "xlnx,opb-hwicap-1.00.b", .data = &buffer_icap_config},
         { .compatible = "xlnx,xps-hwicap-1.00.a", .data = &fifo_icap_config},
         {},
 };
 MODULE_DEVICE_TABLE(of, hwicap_of_match);
+#else
+#define hwicap_of_match NULL
+#endif
 
-static struct of_platform_driver hwicap_of_driver = {
-        .probe = hwicap_of_probe,
-        .remove = __devexit_p(hwicap_of_remove),
+static struct platform_driver hwicap_platform_driver = {
+        .probe = hwicap_drv_probe,
+        .remove = hwicap_drv_remove,
         .driver = {
-                .name = DRIVER_NAME,
                 .owner = THIS_MODULE,
+                .name = DRIVER_NAME,
                 .of_match_table = hwicap_of_match,
         },
 };
 
-/* Registration helpers to keep the number of #ifdefs to a minimum */
-static inline int __init hwicap_of_register(void)
-{
-        pr_debug("hwicap: calling of_register_platform_driver()\n");
-        return of_register_platform_driver(&hwicap_of_driver);
-}
-
-static inline void __exit hwicap_of_unregister(void)
-{
-        of_unregister_platform_driver(&hwicap_of_driver);
-}
-#else /* CONFIG_OF */
-/* CONFIG_OF not enabled; do nothing helpers */
-static inline int __init hwicap_of_register(void) { return 0; }
-static inline void __exit hwicap_of_unregister(void) { }
-#endif /* CONFIG_OF */
-
 static int __init hwicap_module_init(void)
 {
         dev_t devt;
@@ -856,21 +832,12 @@ static int __init hwicap_module_init(void)
                 return retval;
 
         retval = platform_driver_register(&hwicap_platform_driver);
-
-        if (retval)
-                goto failed1;
-
-        retval = hwicap_of_register();
-
         if (retval)
-                goto failed2;
+                goto failed;
 
         return retval;
 
- failed2:
-        platform_driver_unregister(&hwicap_platform_driver);
-
- failed1:
+ failed:
         unregister_chrdev_region(devt, HWICAP_DEVICES);
 
         return retval;
@@ -884,8 +851,6 @@ static void __exit hwicap_module_cleanup(void)
 
         platform_driver_unregister(&hwicap_platform_driver);
 
-        hwicap_of_unregister();
-
         unregister_chrdev_region(devt, HWICAP_DEVICES);
 }