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Diffstat (limited to 'udevinfo.c')
-rw-r--r--udevinfo.c45
1 files changed, 27 insertions, 18 deletions
diff --git a/udevinfo.c b/udevinfo.c
index 69e5335b7c..db562eee49 100644
--- a/udevinfo.c
+++ b/udevinfo.c
@@ -92,14 +92,6 @@ static int print_record(struct udevice *udev)
return 0;
}
-enum query_type {
- NONE,
- NAME,
- PATH,
- SYMLINK,
- ALL,
-};
-
static int print_device_chain(const char *path)
{
struct sysfs_class_device *class_dev;
@@ -185,7 +177,14 @@ int main(int argc, char *argv[], char *envp[])
struct udevice udev;
int root = 0;
int attributes = 0;
- enum query_type query = NONE;
+ enum query_type {
+ QUERY_NONE,
+ QUERY_NAME,
+ QUERY_PATH,
+ QUERY_SYMLINK,
+ QUERY_ENV,
+ QUERY_ALL,
+ } query = QUERY_NONE;
char path[PATH_SIZE] = "";
char name[PATH_SIZE] = "";
char temp[PATH_SIZE];
@@ -220,22 +219,27 @@ int main(int argc, char *argv[], char *envp[])
dbg("udev query: %s\n", optarg);
if (strcmp(optarg, "name") == 0) {
- query = NAME;
+ query = QUERY_NAME;
break;
}
if (strcmp(optarg, "symlink") == 0) {
- query = SYMLINK;
+ query = QUERY_SYMLINK;
break;
}
if (strcmp(optarg, "path") == 0) {
- query = PATH;
+ query = QUERY_PATH;
+ break;
+ }
+
+ if (strcmp(optarg, "env") == 0) {
+ query = QUERY_ENV;
break;
}
if (strcmp(optarg, "all") == 0) {
- query = ALL;
+ query = QUERY_ALL;
break;
}
@@ -268,7 +272,7 @@ int main(int argc, char *argv[], char *envp[])
}
/* process options */
- if (query != NONE) {
+ if (query != QUERY_NONE) {
if (path[0] != '\0') {
/* remove sysfs_path if given */
if (strncmp(path, sysfs_path, strlen(sysfs_path)) == 0) {
@@ -317,13 +321,13 @@ int main(int argc, char *argv[], char *envp[])
print:
switch(query) {
- case NAME:
+ case QUERY_NAME:
if (root)
printf("%s/%s\n", udev_root, udev.name);
else
printf("%s\n", udev.name);
goto exit;
- case SYMLINK:
+ case QUERY_SYMLINK:
if (list_empty(&udev.symlink_list))
break;
if (root)
@@ -334,10 +338,14 @@ print:
printf("%s ", name_loop->name);
printf("\n");
goto exit;
- case PATH:
+ case QUERY_PATH:
printf("%s\n", udev.devpath);
goto exit;
- case ALL:
+ case QUERY_ENV:
+ list_for_each_entry(name_loop, &udev.env_list, node)
+ printf("%s\n", name_loop->name);
+ goto exit;
+ case QUERY_ALL:
print_record(&udev);
goto exit;
default:
@@ -373,6 +381,7 @@ help:
" 'name' name of device node\n"
" 'symlink' pointing to node\n"
" 'path' sysfs device path\n"
+ " 'env' the device related imported environment\n"
" 'all' all values\n"
"\n"
" -p PATH sysfs device path used for query or chain\n"