Create drivers/of/platform.c

and populate it with the common parts from PowerPC and Sparc[64].

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Acked-by: Paul Mackerras <paulus@samba.org>
Acked-by: David S. Miller <davem@davemloft.net>

3 files changed, 21 insertions, 286 deletions

diff --git a/arch/powerpc/kernel/of_platform.c b/arch/powerpc/kernel/of_platform.c
index 8ded4e7dc87e..f70e787d556f 100644
--- a/arch/powerpc/kernel/of_platform.c
+++ b/arch/powerpc/kernel/of_platform.c
@@ -55,94 +55,14 @@ static struct of_device_id of_default_bus_ids[] = {
 
 static atomic_t bus_no_reg_magic;
 
-/*
- *
- * OF platform device type definition & base infrastructure
- *
- */
-
-static int of_platform_bus_match(struct device *dev, struct device_driver *drv)
-{
-        struct of_device * of_dev = to_of_device(dev);
-        struct of_platform_driver * of_drv = to_of_platform_driver(drv);
-        const struct of_device_id * matches = of_drv->match_table;
-
-        if (!matches)
-                return 0;
-
-        return of_match_device(matches, of_dev) != NULL;
-}
-
-static int of_platform_device_probe(struct device *dev)
-{
-        int error = -ENODEV;
-        struct of_platform_driver *drv;
-        struct of_device *of_dev;
-        const struct of_device_id *match;
-
-        drv = to_of_platform_driver(dev->driver);
-        of_dev = to_of_device(dev);
-
-        if (!drv->probe)
-                return error;
-
-        of_dev_get(of_dev);
-
-        match = of_match_device(drv->match_table, of_dev);
-        if (match)
-                error = drv->probe(of_dev, match);
-        if (error)
-                of_dev_put(of_dev);
-
-        return error;
-}
-
-static int of_platform_device_remove(struct device *dev)
-{
-        struct of_device * of_dev = to_of_device(dev);
-        struct of_platform_driver * drv = to_of_platform_driver(dev->driver);
-
-        if (dev->driver && drv->remove)
-                drv->remove(of_dev);
-        return 0;
-}
-
-static int of_platform_device_suspend(struct device *dev, pm_message_t state)
-{
-        struct of_device * of_dev = to_of_device(dev);
-        struct of_platform_driver * drv = to_of_platform_driver(dev->driver);
-        int error = 0;
-
-        if (dev->driver && drv->suspend)
-                error = drv->suspend(of_dev, state);
-        return error;
-}
-
-static int of_platform_device_resume(struct device * dev)
-{
-        struct of_device * of_dev = to_of_device(dev);
-        struct of_platform_driver * drv = to_of_platform_driver(dev->driver);
-        int error = 0;
-
-        if (dev->driver && drv->resume)
-                error = drv->resume(of_dev);
-        return error;
-}
-
 struct bus_type of_platform_bus_type = {
-       .name    = "of_platform",
-       .match   = of_platform_bus_match,
        .uevent  = of_device_uevent,
-       .probe   = of_platform_device_probe,
-       .remove  = of_platform_device_remove,
-       .suspend = of_platform_device_suspend,
-       .resume  = of_platform_device_resume,
 };
 EXPORT_SYMBOL(of_platform_bus_type);
 
 static int __init of_bus_driver_init(void)
 {
-        return bus_register(&of_platform_bus_type);
+        return of_bus_type_init(&of_platform_bus_type, "of_platform");
 }
 
 postcore_initcall(of_bus_driver_init);
diff --git a/arch/sparc/kernel/of_device.c b/arch/sparc/kernel/of_device.c
index cb21983cff9f..7176040caba0 100644
--- a/arch/sparc/kernel/of_device.c
+++ b/arch/sparc/kernel/of_device.c
@@ -5,77 +5,9 @@
 #include <linux/module.h>
 #include <linux/mod_devicetable.h>
 #include <linux/slab.h>
-
-#include <asm/errno.h>
-#include <asm/of_device.h>
-
-static int of_platform_bus_match(struct device *dev, struct device_driver *drv)
-{
-        struct of_device * of_dev = to_of_device(dev);
-        struct of_platform_driver * of_drv = to_of_platform_driver(drv);
-        const struct of_device_id * matches = of_drv->match_table;
-
-        if (!matches)
-                return 0;
-
-        return of_match_device(matches, of_dev) != NULL;
-}
-
-static int of_platform_device_probe(struct device *dev)
-{
-        int error = -ENODEV;
-        struct of_platform_driver *drv;
-        struct of_device *of_dev;
-        const struct of_device_id *match;
-
-        drv = to_of_platform_driver(dev->driver);
-        of_dev = to_of_device(dev);
-
-        if (!drv->probe)
-                return error;
-
-        of_dev_get(of_dev);
-
-        match = of_match_device(drv->match_table, of_dev);
-        if (match)
-                error = drv->probe(of_dev, match);
-        if (error)
-                of_dev_put(of_dev);
-
-        return error;
-}
-
-static int of_platform_device_remove(struct device *dev)
-{
-        struct of_device * of_dev = to_of_device(dev);
-        struct of_platform_driver * drv = to_of_platform_driver(dev->driver);
-
-        if (dev->driver && drv->remove)
-                drv->remove(of_dev);
-        return 0;
-}
-
-static int of_platform_device_suspend(struct device *dev, pm_message_t state)
-{
-        struct of_device * of_dev = to_of_device(dev);
-        struct of_platform_driver * drv = to_of_platform_driver(dev->driver);
-        int error = 0;
-
-        if (dev->driver && drv->suspend)
-                error = drv->suspend(of_dev, state);
-        return error;
-}
-
-static int of_platform_device_resume(struct device * dev)
-{
-        struct of_device * of_dev = to_of_device(dev);
-        struct of_platform_driver * drv = to_of_platform_driver(dev->driver);
-        int error = 0;
-
-        if (dev->driver && drv->resume)
-                error = drv->resume(of_dev);
-        return error;
-}
+#include <linux/errno.h>
+#include <linux/of_device.h>
+#include <linux/of_platform.h>
 
 static int node_match(struct device *dev, void *data)
 {
@@ -98,37 +30,16 @@ struct of_device *of_find_device_by_node(struct device_node *dp)
 EXPORT_SYMBOL(of_find_device_by_node);
 
 #ifdef CONFIG_PCI
-struct bus_type ebus_bus_type = {
-       .name    = "ebus",
-       .match   = of_platform_bus_match,
-       .probe   = of_platform_device_probe,
-       .remove  = of_platform_device_remove,
-       .suspend = of_platform_device_suspend,
-       .resume  = of_platform_device_resume,
-};
+struct bus_type ebus_bus_type;
 EXPORT_SYMBOL(ebus_bus_type);
 #endif
 
 #ifdef CONFIG_SBUS
-struct bus_type sbus_bus_type = {
-       .name    = "sbus",
-       .match   = of_platform_bus_match,
-       .probe   = of_platform_device_probe,
-       .remove  = of_platform_device_remove,
-       .suspend = of_platform_device_suspend,
-       .resume  = of_platform_device_resume,
-};
+struct bus_type sbus_bus_type;
 EXPORT_SYMBOL(sbus_bus_type);
 #endif
 
-struct bus_type of_platform_bus_type = {
-       .name    = "of",
-       .match   = of_platform_bus_match,
-       .probe   = of_platform_device_probe,
-       .remove  = of_platform_device_remove,
-       .suspend = of_platform_device_suspend,
-       .resume  = of_platform_device_resume,
-};
+struct bus_type of_platform_bus_type;
 EXPORT_SYMBOL(of_platform_bus_type);
 
 static inline u64 of_read_addr(const u32 *cell, int size)
@@ -639,14 +550,14 @@ static int __init of_bus_driver_init(void)
 {
         int err;
 
-        err = bus_register(&of_platform_bus_type);
+        err = of_bus_type_init(&of_platform_bus_type, "of");
 #ifdef CONFIG_PCI
         if (!err)
-                err = bus_register(&ebus_bus_type);
+                err = of_bus_type_init(&ebus_bus_type, "ebus");
 #endif
 #ifdef CONFIG_SBUS
         if (!err)
-                err = bus_register(&sbus_bus_type);
+                err = of_bus_type_init(&sbus_bus_type, "sbus");
 #endif
 
         if (!err)
diff --git a/arch/sparc64/kernel/of_device.c b/arch/sparc64/kernel/of_device.c
index 485f8579899a..7b0dce9604ee 100644
--- a/arch/sparc64/kernel/of_device.c
+++ b/arch/sparc64/kernel/of_device.c
@@ -5,77 +5,9 @@
 #include <linux/module.h>
 #include <linux/mod_devicetable.h>
 #include <linux/slab.h>
-
-#include <asm/errno.h>
-#include <asm/of_device.h>
-
-static int of_platform_bus_match(struct device *dev, struct device_driver *drv)
-{
-        struct of_device * of_dev = to_of_device(dev);
-        struct of_platform_driver * of_drv = to_of_platform_driver(drv);
-        const struct of_device_id * matches = of_drv->match_table;
-
-        if (!matches)
-                return 0;
-
-        return of_match_device(matches, of_dev) != NULL;
-}
-
-static int of_platform_device_probe(struct device *dev)
-{
-        int error = -ENODEV;
-        struct of_platform_driver *drv;
-        struct of_device *of_dev;
-        const struct of_device_id *match;
-
-        drv = to_of_platform_driver(dev->driver);
-        of_dev = to_of_device(dev);
-
-        if (!drv->probe)
-                return error;
-
-        of_dev_get(of_dev);
-
-        match = of_match_device(drv->match_table, of_dev);
-        if (match)
-                error = drv->probe(of_dev, match);
-        if (error)
-                of_dev_put(of_dev);
-
-        return error;
-}
-
-static int of_platform_device_remove(struct device *dev)
-{
-        struct of_device * of_dev = to_of_device(dev);
-        struct of_platform_driver * drv = to_of_platform_driver(dev->driver);
-
-        if (dev->driver && drv->remove)
-                drv->remove(of_dev);
-        return 0;
-}
-
-static int of_platform_device_suspend(struct device *dev, pm_message_t state)
-{
-        struct of_device * of_dev = to_of_device(dev);
-        struct of_platform_driver * drv = to_of_platform_driver(dev->driver);
-        int error = 0;
-
-        if (dev->driver && drv->suspend)
-                error = drv->suspend(of_dev, state);
-        return error;
-}
-
-static int of_platform_device_resume(struct device * dev)
-{
-        struct of_device * of_dev = to_of_device(dev);
-        struct of_platform_driver * drv = to_of_platform_driver(dev->driver);
-        int error = 0;
-
-        if (dev->driver && drv->resume)
-                error = drv->resume(of_dev);
-        return error;
-}
+#include <linux/errno.h>
+#include <linux/of_device.h>
+#include <linux/of_platform.h>
 
 void __iomem *of_ioremap(struct resource *res, unsigned long offset, unsigned long size, char *name)
 {
@@ -123,47 +55,19 @@ struct of_device *of_find_device_by_node(struct device_node *dp)
 EXPORT_SYMBOL(of_find_device_by_node);
 
 #ifdef CONFIG_PCI
-struct bus_type isa_bus_type = {
-       .name    = "isa",
-       .match   = of_platform_bus_match,
-       .probe   = of_platform_device_probe,
-       .remove  = of_platform_device_remove,
-       .suspend = of_platform_device_suspend,
-       .resume  = of_platform_device_resume,
-};
+struct bus_type isa_bus_type;
 EXPORT_SYMBOL(isa_bus_type);
 
-struct bus_type ebus_bus_type = {
-       .name    = "ebus",
-       .match   = of_platform_bus_match,
-       .probe   = of_platform_device_probe,
-       .remove  = of_platform_device_remove,
-       .suspend = of_platform_device_suspend,
-       .resume  = of_platform_device_resume,
-};
+struct bus_type ebus_bus_type;
 EXPORT_SYMBOL(ebus_bus_type);
 #endif
 
 #ifdef CONFIG_SBUS
-struct bus_type sbus_bus_type = {
-       .name    = "sbus",
-       .match   = of_platform_bus_match,
-       .probe   = of_platform_device_probe,
-       .remove  = of_platform_device_remove,
-       .suspend = of_platform_device_suspend,
-       .resume  = of_platform_device_resume,
-};
+struct bus_type sbus_bus_type;
 EXPORT_SYMBOL(sbus_bus_type);
 #endif
 
-struct bus_type of_platform_bus_type = {
-       .name    = "of",
-       .match   = of_platform_bus_match,
-       .probe   = of_platform_device_probe,
-       .remove  = of_platform_device_remove,
-       .suspend = of_platform_device_suspend,
-       .resume  = of_platform_device_resume,
-};
+struct bus_type of_platform_bus_type;
 EXPORT_SYMBOL(of_platform_bus_type);
 
 static inline u64 of_read_addr(const u32 *cell, int size)
@@ -926,16 +830,16 @@ static int __init of_bus_driver_init(void)
 {
         int err;
 
-        err = bus_register(&of_platform_bus_type);
+        err = of_bus_type_init(&of_platform_bus_type, "of");
 #ifdef CONFIG_PCI
         if (!err)
-                err = bus_register(&isa_bus_type);
+                err = of_bus_type_init(&isa_bus_type, "isa");
         if (!err)
-                err = bus_register(&ebus_bus_type);
+                err = of_bus_type_init(&ebus_bus_type, "ebus");
 #endif
 #ifdef CONFIG_SBUS
         if (!err)
-                err = bus_register(&sbus_bus_type);
+                err = of_bus_type_init(&sbus_bus_type, "sbus");
 #endif
 
         if (!err)