16 files changed, 121 insertions, 31 deletions

diff --git a/Documentation/devicetree/bindings/arm/omap/omap.txt b/Documentation/devicetree/bindings/arm/omap/omap.txt
index edc618a8aab2..e78e8bccac30 100644
--- a/Documentation/devicetree/bindings/arm/omap/omap.txt
+++ b/Documentation/devicetree/bindings/arm/omap/omap.txt
@@ -41,3 +41,9 @@ Boards:
 
 - OMAP4 PandaBoard : Low cost community board
   compatible = "ti,omap4-panda", "ti,omap4430"
+
+- OMAP3 EVM : Software Developement Board for OMAP35x, AM/DM37x
+  compatible = "ti,omap3-evm", "ti,omap3"
+
+- AM335X EVM : Software Developement Board for AM335x
+  compatible = "ti,am335x-evm", "ti,am33xx", "ti,omap3"
diff --git a/arch/arm/boot/dts/testcases/tests-phandle.dtsi b/arch/arm/boot/dts/testcases/tests-phandle.dtsi
index ec0c4e6212c9..0007d3cd7dc2 100644
--- a/arch/arm/boot/dts/testcases/tests-phandle.dtsi
+++ b/arch/arm/boot/dts/testcases/tests-phandle.dtsi
@@ -31,6 +31,8 @@
                                 phandle-list-bad-phandle = <12345678 0 0>;
                                 phandle-list-bad-args = <&provider2 1 0>,
                                                         <&provider3 0>;
+                                empty-property;
+                                unterminated-string = [40 41 42 43];
                         };
                 };
         };
diff --git a/arch/powerpc/kernel/ibmebus.c b/arch/powerpc/kernel/ibmebus.c
index d39ae606ff8d..79bb282e6501 100644
--- a/arch/powerpc/kernel/ibmebus.c
+++ b/arch/powerpc/kernel/ibmebus.c
@@ -713,7 +713,7 @@ static struct dev_pm_ops ibmebus_bus_dev_pm_ops = {
 
 struct bus_type ibmebus_bus_type = {
         .name      = "ibmebus",
-        .uevent    = of_device_uevent,
+        .uevent    = of_device_uevent_modalias,
         .bus_attrs = ibmebus_bus_attrs,
         .match     = ibmebus_bus_bus_match,
         .probe     = ibmebus_bus_device_probe,
diff --git a/arch/powerpc/platforms/8xx/Kconfig b/arch/powerpc/platforms/8xx/Kconfig
index ee56a9ea6a79..1fb0b3cddeb3 100644
--- a/arch/powerpc/platforms/8xx/Kconfig
+++ b/arch/powerpc/platforms/8xx/Kconfig
@@ -26,6 +26,7 @@ config MPC86XADS
 config MPC885ADS
         bool "MPC885ADS"
         select CPM1
+        select OF_DYNAMIC
         help
           Freescale Semiconductor MPC885 Application Development System (ADS).
           Also known as DUET.
diff --git a/arch/powerpc/platforms/iseries/Kconfig b/arch/powerpc/platforms/iseries/Kconfig
index b57cda3a0817..63835e09e5cc 100644
--- a/arch/powerpc/platforms/iseries/Kconfig
+++ b/arch/powerpc/platforms/iseries/Kconfig
@@ -1,6 +1,7 @@
 config PPC_ISERIES
         bool "IBM Legacy iSeries"
         depends on PPC64 && PPC_BOOK3S
+        select OF_DYNAMIC
         select PPC_SMP_MUXED_IPI
         select PPC_INDIRECT_PIO
         select PPC_INDIRECT_MMIO
diff --git a/arch/powerpc/platforms/pseries/Kconfig b/arch/powerpc/platforms/pseries/Kconfig
index 31f22c1f657d..f2556257bbdc 100644
--- a/arch/powerpc/platforms/pseries/Kconfig
+++ b/arch/powerpc/platforms/pseries/Kconfig
@@ -3,6 +3,7 @@ config PPC_PSERIES
         bool "IBM pSeries & new (POWER5-based) iSeries"
         select HAVE_PCSPKR_PLATFORM
         select MPIC
+        select OF_DYNAMIC
         select PCI_MSI
         select PPC_XICS
         select PPC_ICP_NATIVE
diff --git a/arch/powerpc/platforms/wsp/Kconfig b/arch/powerpc/platforms/wsp/Kconfig
index 57d22a2f4ba9..79d2225b7608 100644
--- a/arch/powerpc/platforms/wsp/Kconfig
+++ b/arch/powerpc/platforms/wsp/Kconfig
@@ -25,6 +25,7 @@ config PPC_CHROMA
         bool "PowerEN PCIe Chroma Card"
         select EPAPR_BOOT
         select PPC_WSP
+        select OF_DYNAMIC
         default y
 
 endmenu
diff --git a/drivers/base/core.c b/drivers/base/core.c
index 7050a75dde38..e28ce9898af4 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -18,6 +18,8 @@
 #include <linux/string.h>
 #include <linux/kdev_t.h>
 #include <linux/notifier.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
 #include <linux/genhd.h>
 #include <linux/kallsyms.h>
 #include <linux/mutex.h>
@@ -267,6 +269,9 @@ static int dev_uevent(struct kset *kset, struct kobject *kobj,
         if (dev->driver)
                 add_uevent_var(env, "DRIVER=%s", dev->driver->name);
 
+        /* Add common DT information about the device */
+        of_device_uevent(dev, env);
+
         /* have the bus specific function add its stuff */
         if (dev->bus && dev->bus->uevent) {
                 retval = dev->bus->uevent(dev, env);
diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index f0c605e99ade..a1a722502587 100644
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -621,7 +621,7 @@ static int platform_uevent(struct device *dev, struct kobj_uevent_env *env)
         int rc;
 
         /* Some devices have extra OF data and an OF-style MODALIAS */
-        rc = of_device_uevent(dev,env);
+        rc = of_device_uevent_modalias(dev,env);
         if (rc != -ENODEV)
                 return rc;
 
diff --git a/drivers/macintosh/macio_asic.c b/drivers/macintosh/macio_asic.c
index 4daf9e5a7736..20e5c2cda430 100644
--- a/drivers/macintosh/macio_asic.c
+++ b/drivers/macintosh/macio_asic.c
@@ -137,7 +137,7 @@ extern struct device_attribute macio_dev_attrs[];
 struct bus_type macio_bus_type = {
        .name    = "macio",
        .match   = macio_bus_match,
-       .uevent = of_device_uevent,
+       .uevent = of_device_uevent_modalias,
        .probe   = macio_device_probe,
        .remove  = macio_device_remove,
        .shutdown = macio_device_shutdown,
diff --git a/drivers/of/Kconfig b/drivers/of/Kconfig
index 268163dd71c7..6ea51dcbc728 100644
--- a/drivers/of/Kconfig
+++ b/drivers/of/Kconfig
@@ -35,9 +35,10 @@ config OF_EARLY_FLATTREE
 config OF_PROMTREE
         bool
 
+# Hardly any platforms need this.  It is safe to select, but only do so if you
+# need it.
 config OF_DYNAMIC
-        def_bool y
-        depends on PPC_OF
+        bool
 
 config OF_ADDRESS
         def_bool y
diff --git a/drivers/of/base.c b/drivers/of/base.c
index 133908a6fd8d..580644986945 100644
--- a/drivers/of/base.c
+++ b/drivers/of/base.c
@@ -88,7 +88,7 @@ int of_n_size_cells(struct device_node *np)
 }
 EXPORT_SYMBOL(of_n_size_cells);
 
-#if !defined(CONFIG_SPARC)   /* SPARC doesn't do ref counting (yet) */
+#if defined(CONFIG_OF_DYNAMIC)
 /**
  *      of_node_get - Increment refcount of a node
  *      @node:  Node to inc refcount, NULL is supported to
@@ -161,7 +161,7 @@ void of_node_put(struct device_node *node)
                 kref_put(&node->kref, of_node_release);
 }
 EXPORT_SYMBOL(of_node_put);
-#endif /* !CONFIG_SPARC */
+#endif /* CONFIG_OF_DYNAMIC */
 
 struct property *of_find_property(const struct device_node *np,
                                   const char *name,
@@ -761,6 +761,42 @@ int of_property_read_string_index(struct device_node *np, const char *propname,
 }
 EXPORT_SYMBOL_GPL(of_property_read_string_index);
 
+/**
+ * of_property_match_string() - Find string in a list and return index
+ * @np: pointer to node containing string list property
+ * @propname: string list property name
+ * @string: pointer to string to search for in string list
+ *
+ * This function searches a string list property and returns the index
+ * of a specific string value.
+ */
+int of_property_match_string(struct device_node *np, const char *propname,
+                             const char *string)
+{
+        struct property *prop = of_find_property(np, propname, NULL);
+        size_t l;
+        int i;
+        const char *p, *end;
+
+        if (!prop)
+                return -EINVAL;
+        if (!prop->value)
+                return -ENODATA;
+
+        p = prop->value;
+        end = p + prop->length;
+
+        for (i = 0; p < end; i++, p += l) {
+                l = strlen(p) + 1;
+                if (p + l > end)
+                        return -EILSEQ;
+                pr_debug("comparing %s with %s\n", string, p);
+                if (strcmp(string, p) == 0)
+                        return i; /* Found it; return index */
+        }
+        return -ENODATA;
+}
+EXPORT_SYMBOL_GPL(of_property_match_string);
 
 /**
  * of_property_count_strings - Find and return the number of strings from a
diff --git a/drivers/of/device.c b/drivers/of/device.c
index 62b4b32ac887..4c74e4fc5a51 100644
--- a/drivers/of/device.c
+++ b/drivers/of/device.c
@@ -128,39 +128,41 @@ ssize_t of_device_get_modalias(struct device *dev, char *str, ssize_t len)
 /**
  * of_device_uevent - Display OF related uevent information
  */
-int of_device_uevent(struct device *dev, struct kobj_uevent_env *env)
+void of_device_uevent(struct device *dev, struct kobj_uevent_env *env)
 {
         const char *compat;
         int seen = 0, cplen, sl;
 
         if ((!dev) || (!dev->of_node))
-                return -ENODEV;
-
-        if (add_uevent_var(env, "OF_NAME=%s", dev->of_node->name))
-                return -ENOMEM;
+                return;
 
-        if (add_uevent_var(env, "OF_TYPE=%s", dev->of_node->type))
-                return -ENOMEM;
+        add_uevent_var(env, "OF_NAME=%s", dev->of_node->name);
+        add_uevent_var(env, "OF_FULLNAME=%s", dev->of_node->full_name);
+        if (dev->of_node->type && strcmp("<NULL>", dev->of_node->type) != 0)
+                add_uevent_var(env, "OF_TYPE=%s", dev->of_node->type);
 
         /* Since the compatible field can contain pretty much anything
          * it's not really legal to split it out with commas. We split it
          * up using a number of environment variables instead. */
-
         compat = of_get_property(dev->of_node, "compatible", &cplen);
         while (compat && *compat && cplen > 0) {
-                if (add_uevent_var(env, "OF_COMPATIBLE_%d=%s", seen, compat))
-                        return -ENOMEM;
-
+                add_uevent_var(env, "OF_COMPATIBLE_%d=%s", seen, compat);
                 sl = strlen(compat) + 1;
                 compat += sl;
                 cplen -= sl;
                 seen++;
         }
+        add_uevent_var(env, "OF_COMPATIBLE_N=%d", seen);
+}
 
-        if (add_uevent_var(env, "OF_COMPATIBLE_N=%d", seen))
-                return -ENOMEM;
+int of_device_uevent_modalias(struct device *dev, struct kobj_uevent_env *env)
+{
+        int sl;
+
+        if ((!dev) || (!dev->of_node))
+                return -ENODEV;
 
-        /* modalias is trickier, we add it in 2 steps */
+        /* Devicetree modalias is tricky, we add it in 2 steps */
         if (add_uevent_var(env, "MODALIAS="))
                 return -ENOMEM;
 
diff --git a/drivers/of/selftest.c b/drivers/of/selftest.c
index 9d2b4803a9d6..f24ffd7088d2 100644
--- a/drivers/of/selftest.c
+++ b/drivers/of/selftest.c
@@ -120,6 +120,34 @@ static void __init of_selftest_parse_phandle_with_args(void)
         pr_info("end - %s\n", passed_all ? "PASS" : "FAIL");
 }
 
+static void __init of_selftest_property_match_string(void)
+{
+        struct device_node *np;
+        int rc;
+
+        pr_info("start\n");
+        np = of_find_node_by_path("/testcase-data/phandle-tests/consumer-a");
+        if (!np) {
+                pr_err("No testcase data in device tree\n");
+                return;
+        }
+
+        rc = of_property_match_string(np, "phandle-list-names", "first");
+        selftest(rc == 0, "first expected:0 got:%i\n", rc);
+        rc = of_property_match_string(np, "phandle-list-names", "second");
+        selftest(rc == 1, "second expected:0 got:%i\n", rc);
+        rc = of_property_match_string(np, "phandle-list-names", "third");
+        selftest(rc == 2, "third expected:0 got:%i\n", rc);
+        rc = of_property_match_string(np, "phandle-list-names", "fourth");
+        selftest(rc == -ENODATA, "unmatched string; rc=%i", rc);
+        rc = of_property_match_string(np, "missing-property", "blah");
+        selftest(rc == -EINVAL, "missing property; rc=%i", rc);
+        rc = of_property_match_string(np, "empty-property", "blah");
+        selftest(rc == -ENODATA, "empty property; rc=%i", rc);
+        rc = of_property_match_string(np, "unterminated-string", "blah");
+        selftest(rc == -EILSEQ, "unterminated string; rc=%i", rc);
+}
+
 static int __init of_selftest(void)
 {
         struct device_node *np;
@@ -133,6 +161,7 @@ static int __init of_selftest(void)
 
         pr_info("start of selftest - you will see error messages\n");
         of_selftest_parse_phandle_with_args();
+        of_selftest_property_match_string();
         pr_info("end of selftest - %s\n", selftest_passed ? "PASS" : "FAIL");
         return 0;
 }
diff --git a/include/linux/of.h b/include/linux/of.h
index 92cf6ad35e0e..f02d8b2f799d 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -72,19 +72,17 @@ struct of_phandle_args {
         uint32_t args[MAX_PHANDLE_ARGS];
 };
 
-#if defined(CONFIG_SPARC) || !defined(CONFIG_OF)
+#ifdef CONFIG_OF_DYNAMIC
+extern struct device_node *of_node_get(struct device_node *node);
+extern void of_node_put(struct device_node *node);
+#else /* CONFIG_OF_DYNAMIC */
 /* Dummy ref counting routines - to be implemented later */
 static inline struct device_node *of_node_get(struct device_node *node)
 {
         return node;
 }
-static inline void of_node_put(struct device_node *node)
-{
-}
-#else
-extern struct device_node *of_node_get(struct device_node *node);
-extern void of_node_put(struct device_node *node);
-#endif
+static inline void of_node_put(struct device_node *node) { }
+#endif /* !CONFIG_OF_DYNAMIC */
 
 #ifdef CONFIG_OF
 
@@ -217,6 +215,9 @@ extern int of_property_read_string(struct device_node *np,
 extern int of_property_read_string_index(struct device_node *np,
                                          const char *propname,
                                          int index, const char **output);
+extern int of_property_match_string(struct device_node *np,
+                                    const char *propname,
+                                    const char *string);
 extern int of_property_count_strings(struct device_node *np,
                                      const char *propname);
 extern int of_device_is_compatible(const struct device_node *device,
diff --git a/include/linux/of_device.h b/include/linux/of_device.h
index ae5638480ef2..cbc42143fa5b 100644
--- a/include/linux/of_device.h
+++ b/include/linux/of_device.h
@@ -34,7 +34,8 @@ extern void of_device_unregister(struct platform_device *ofdev);
 extern ssize_t of_device_get_modalias(struct device *dev,
                                         char *str, ssize_t len);
 
-extern int of_device_uevent(struct device *dev, struct kobj_uevent_env *env);
+extern void of_device_uevent(struct device *dev, struct kobj_uevent_env *env);
+extern int of_device_uevent_modalias(struct device *dev, struct kobj_uevent_env *env);
 
 static inline void of_device_node_put(struct device *dev)
 {
@@ -49,7 +50,10 @@ static inline int of_driver_match_device(struct device *dev,
         return 0;
 }
 
-static inline int of_device_uevent(struct device *dev,
+static inline void of_device_uevent(struct device *dev,
+                        struct kobj_uevent_env *env) { }
+
+static inline int of_device_uevent_modalias(struct device *dev,
                                    struct kobj_uevent_env *env)
 {
         return -ENODEV;