diff options
Diffstat (limited to 'drivers/platform/x86/dell/dell-smbios-base.c')
-rw-r--r-- | drivers/platform/x86/dell/dell-smbios-base.c | 19 |
1 files changed, 9 insertions, 10 deletions
diff --git a/drivers/platform/x86/dell/dell-smbios-base.c b/drivers/platform/x86/dell/dell-smbios-base.c index 01c72b91a50d..444786102f02 100644 --- a/drivers/platform/x86/dell/dell-smbios-base.c +++ b/drivers/platform/x86/dell/dell-smbios-base.c @@ -39,6 +39,7 @@ struct token_sysfs_data { struct smbios_device { struct list_head list; struct device *device; + int priority; int (*call_fn)(struct calling_interface_buffer *arg); }; @@ -145,7 +146,7 @@ int dell_smbios_error(int value) } EXPORT_SYMBOL_GPL(dell_smbios_error); -int dell_smbios_register_device(struct device *d, void *call_fn) +int dell_smbios_register_device(struct device *d, int priority, void *call_fn) { struct smbios_device *priv; @@ -154,6 +155,7 @@ int dell_smbios_register_device(struct device *d, void *call_fn) return -ENOMEM; get_device(d); priv->device = d; + priv->priority = priority; priv->call_fn = call_fn; mutex_lock(&smbios_mutex); list_add_tail(&priv->list, &smbios_device_list); @@ -292,28 +294,25 @@ EXPORT_SYMBOL_GPL(dell_smbios_call_filter); int dell_smbios_call(struct calling_interface_buffer *buffer) { - int (*call_fn)(struct calling_interface_buffer *) = NULL; - struct device *selected_dev = NULL; + struct smbios_device *selected = NULL; struct smbios_device *priv; int ret; mutex_lock(&smbios_mutex); list_for_each_entry(priv, &smbios_device_list, list) { - if (!selected_dev || priv->device->id >= selected_dev->id) { - dev_dbg(priv->device, "Trying device ID: %d\n", - priv->device->id); - call_fn = priv->call_fn; - selected_dev = priv->device; + if (!selected || priv->priority >= selected->priority) { + dev_dbg(priv->device, "Trying device ID: %d\n", priv->priority); + selected = priv; } } - if (!selected_dev) { + if (!selected) { ret = -ENODEV; pr_err("No dell-smbios drivers are loaded\n"); goto out_smbios_call; } - ret = call_fn(buffer); + ret = selected->call_fn(buffer); out_smbios_call: mutex_unlock(&smbios_mutex); |