|
@@ -126,97 +126,74 @@ int fw_csr_string(const u32 *directory, int key, char *buf, size_t size)
|
|
|
}
|
|
|
EXPORT_SYMBOL(fw_csr_string);
|
|
|
|
|
|
-static bool is_fw_unit(struct device *dev);
|
|
|
-
|
|
|
-static int match_unit_directory(const u32 *directory, u32 match_flags,
|
|
|
- const struct ieee1394_device_id *id)
|
|
|
+static void get_ids(const u32 *directory, int *id)
|
|
|
{
|
|
|
struct fw_csr_iterator ci;
|
|
|
- int key, value, match;
|
|
|
+ int key, value;
|
|
|
|
|
|
- match = 0;
|
|
|
fw_csr_iterator_init(&ci, directory);
|
|
|
while (fw_csr_iterator_next(&ci, &key, &value)) {
|
|
|
- if (key == CSR_VENDOR && value == id->vendor_id)
|
|
|
- match |= IEEE1394_MATCH_VENDOR_ID;
|
|
|
- if (key == CSR_MODEL && value == id->model_id)
|
|
|
- match |= IEEE1394_MATCH_MODEL_ID;
|
|
|
- if (key == CSR_SPECIFIER_ID && value == id->specifier_id)
|
|
|
- match |= IEEE1394_MATCH_SPECIFIER_ID;
|
|
|
- if (key == CSR_VERSION && value == id->version)
|
|
|
- match |= IEEE1394_MATCH_VERSION;
|
|
|
+ switch (key) {
|
|
|
+ case CSR_VENDOR: id[0] = value; break;
|
|
|
+ case CSR_MODEL: id[1] = value; break;
|
|
|
+ case CSR_SPECIFIER_ID: id[2] = value; break;
|
|
|
+ case CSR_VERSION: id[3] = value; break;
|
|
|
+ }
|
|
|
}
|
|
|
+}
|
|
|
+
|
|
|
+static void get_modalias_ids(struct fw_unit *unit, int *id)
|
|
|
+{
|
|
|
+ get_ids(&fw_parent_device(unit)->config_rom[5], id);
|
|
|
+ get_ids(unit->directory, id);
|
|
|
+}
|
|
|
+
|
|
|
+static bool match_ids(const struct ieee1394_device_id *id_table, int *id)
|
|
|
+{
|
|
|
+ int match = 0;
|
|
|
+
|
|
|
+ if (id[0] == id_table->vendor_id)
|
|
|
+ match |= IEEE1394_MATCH_VENDOR_ID;
|
|
|
+ if (id[1] == id_table->model_id)
|
|
|
+ match |= IEEE1394_MATCH_MODEL_ID;
|
|
|
+ if (id[2] == id_table->specifier_id)
|
|
|
+ match |= IEEE1394_MATCH_SPECIFIER_ID;
|
|
|
+ if (id[3] == id_table->version)
|
|
|
+ match |= IEEE1394_MATCH_VERSION;
|
|
|
|
|
|
- return (match & match_flags) == match_flags;
|
|
|
+ return (match & id_table->match_flags) == id_table->match_flags;
|
|
|
}
|
|
|
|
|
|
+static bool is_fw_unit(struct device *dev);
|
|
|
+
|
|
|
static int fw_unit_match(struct device *dev, struct device_driver *drv)
|
|
|
{
|
|
|
- struct fw_unit *unit = fw_unit(dev);
|
|
|
- struct fw_device *device;
|
|
|
- const struct ieee1394_device_id *id;
|
|
|
+ const struct ieee1394_device_id *id_table =
|
|
|
+ container_of(drv, struct fw_driver, driver)->id_table;
|
|
|
+ int id[] = {0, 0, 0, 0};
|
|
|
|
|
|
/* We only allow binding to fw_units. */
|
|
|
if (!is_fw_unit(dev))
|
|
|
return 0;
|
|
|
|
|
|
- device = fw_parent_device(unit);
|
|
|
- id = container_of(drv, struct fw_driver, driver)->id_table;
|
|
|
+ get_modalias_ids(fw_unit(dev), id);
|
|
|
|
|
|
- for (; id->match_flags != 0; id++) {
|
|
|
- if (match_unit_directory(unit->directory, id->match_flags, id))
|
|
|
+ for (; id_table->match_flags != 0; id_table++)
|
|
|
+ if (match_ids(id_table, id))
|
|
|
return 1;
|
|
|
|
|
|
- /* Also check vendor ID in the root directory. */
|
|
|
- if ((id->match_flags & IEEE1394_MATCH_VENDOR_ID) &&
|
|
|
- match_unit_directory(&device->config_rom[5],
|
|
|
- IEEE1394_MATCH_VENDOR_ID, id) &&
|
|
|
- match_unit_directory(unit->directory, id->match_flags
|
|
|
- & ~IEEE1394_MATCH_VENDOR_ID, id))
|
|
|
- return 1;
|
|
|
- }
|
|
|
-
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
static int get_modalias(struct fw_unit *unit, char *buffer, size_t buffer_size)
|
|
|
{
|
|
|
- struct fw_device *device = fw_parent_device(unit);
|
|
|
- struct fw_csr_iterator ci;
|
|
|
+ int id[] = {0, 0, 0, 0};
|
|
|
|
|
|
- int key, value;
|
|
|
- int vendor = 0;
|
|
|
- int model = 0;
|
|
|
- int specifier_id = 0;
|
|
|
- int version = 0;
|
|
|
-
|
|
|
- fw_csr_iterator_init(&ci, &device->config_rom[5]);
|
|
|
- while (fw_csr_iterator_next(&ci, &key, &value)) {
|
|
|
- switch (key) {
|
|
|
- case CSR_VENDOR:
|
|
|
- vendor = value;
|
|
|
- break;
|
|
|
- case CSR_MODEL:
|
|
|
- model = value;
|
|
|
- break;
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- fw_csr_iterator_init(&ci, unit->directory);
|
|
|
- while (fw_csr_iterator_next(&ci, &key, &value)) {
|
|
|
- switch (key) {
|
|
|
- case CSR_SPECIFIER_ID:
|
|
|
- specifier_id = value;
|
|
|
- break;
|
|
|
- case CSR_VERSION:
|
|
|
- version = value;
|
|
|
- break;
|
|
|
- }
|
|
|
- }
|
|
|
+ get_modalias_ids(unit, id);
|
|
|
|
|
|
return snprintf(buffer, buffer_size,
|
|
|
"ieee1394:ven%08Xmo%08Xsp%08Xver%08X",
|
|
|
- vendor, model, specifier_id, version);
|
|
|
+ id[0], id[1], id[2], id[3]);
|
|
|
}
|
|
|
|
|
|
static int fw_unit_uevent(struct device *dev, struct kobj_uevent_env *env)
|