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Diffstat (limited to 'arch/powerpc/kernel/of_device.c')
-rw-r--r--arch/powerpc/kernel/of_device.c37
1 files changed, 11 insertions, 26 deletions
diff --git a/arch/powerpc/kernel/of_device.c b/arch/powerpc/kernel/of_device.c
index 89b911e83c04..8f3db32fac8b 100644
--- a/arch/powerpc/kernel/of_device.c
+++ b/arch/powerpc/kernel/of_device.c
@@ -57,26 +57,21 @@ ssize_t of_device_get_modalias(struct of_device *ofdev,
57 return tsize; 57 return tsize;
58} 58}
59 59
60int of_device_uevent(struct device *dev, 60int of_device_uevent(struct device *dev, struct kobj_uevent_env *env)
61 char **envp, int num_envp, char *buffer, int buffer_size)
62{ 61{
63 struct of_device *ofdev; 62 struct of_device *ofdev;
64 const char *compat; 63 const char *compat;
65 int i = 0, length = 0, seen = 0, cplen, sl; 64 int seen = 0, cplen, sl;
66 65
67 if (!dev) 66 if (!dev)
68 return -ENODEV; 67 return -ENODEV;
69 68
70 ofdev = to_of_device(dev); 69 ofdev = to_of_device(dev);
71 70
72 if (add_uevent_var(envp, num_envp, &i, 71 if (add_uevent_var(env, "OF_NAME=%s", ofdev->node->name))
73 buffer, buffer_size, &length,
74 "OF_NAME=%s", ofdev->node->name))
75 return -ENOMEM; 72 return -ENOMEM;
76 73
77 if (add_uevent_var(envp, num_envp, &i, 74 if (add_uevent_var(env, "OF_TYPE=%s", ofdev->node->type))
78 buffer, buffer_size, &length,
79 "OF_TYPE=%s", ofdev->node->type))
80 return -ENOMEM; 75 return -ENOMEM;
81 76
82 /* Since the compatible field can contain pretty much anything 77 /* Since the compatible field can contain pretty much anything
@@ -85,9 +80,7 @@ int of_device_uevent(struct device *dev,
85 80
86 compat = of_get_property(ofdev->node, "compatible", &cplen); 81 compat = of_get_property(ofdev->node, "compatible", &cplen);
87 while (compat && *compat && cplen > 0) { 82 while (compat && *compat && cplen > 0) {
88 if (add_uevent_var(envp, num_envp, &i, 83 if (add_uevent_var(env, "OF_COMPATIBLE_%d=%s", seen, compat))
89 buffer, buffer_size, &length,
90 "OF_COMPATIBLE_%d=%s", seen, compat))
91 return -ENOMEM; 84 return -ENOMEM;
92 85
93 sl = strlen (compat) + 1; 86 sl = strlen (compat) + 1;
@@ -96,25 +89,17 @@ int of_device_uevent(struct device *dev,
96 seen++; 89 seen++;
97 } 90 }
98 91
99 if (add_uevent_var(envp, num_envp, &i, 92 if (add_uevent_var(env, "OF_COMPATIBLE_N=%d", seen))
100 buffer, buffer_size, &length,
101 "OF_COMPATIBLE_N=%d", seen))
102 return -ENOMEM; 93 return -ENOMEM;
103 94
104 /* modalias is trickier, we add it in 2 steps */ 95 /* modalias is trickier, we add it in 2 steps */
105 if (add_uevent_var(envp, num_envp, &i, 96 if (add_uevent_var(env, "MODALIAS="))
106 buffer, buffer_size, &length,
107 "MODALIAS="))
108 return -ENOMEM; 97 return -ENOMEM;
109 98 sl = of_device_get_modalias(ofdev, &env->buf[env->buflen-1],
110 sl = of_device_get_modalias(ofdev, &buffer[length-1], 99 sizeof(env->buf) - env->buflen);
111 buffer_size-length); 100 if (sl >= (sizeof(env->buf) - env->buflen))
112 if (sl >= (buffer_size-length))
113 return -ENOMEM; 101 return -ENOMEM;
114 102 env->buflen += sl;
115 length += sl;
116
117 envp[i] = NULL;
118 103
119 return 0; 104 return 0;
120} 105}