struct timer_list timeout;
};
+#ifdef CONFIG_FW_LOADER
+extern struct builtin_fw __start_builtin_fw[];
+extern struct builtin_fw __end_builtin_fw[];
+#else /* Module case. Avoid ifdefs later; it'll all optimise out */
+static struct builtin_fw *__start_builtin_fw;
+static struct builtin_fw *__end_builtin_fw;
+#endif
+
static void
fw_load_abort(struct firmware_priv *fw_priv)
{
static void fw_dev_release(struct device *dev);
-static int firmware_uevent(struct device *dev, char **envp, int num_envp,
- char *buffer, int buffer_size)
+static int firmware_uevent(struct device *dev, struct kobj_uevent_env *env)
{
struct firmware_priv *fw_priv = dev_get_drvdata(dev);
- int i = 0, len = 0;
- if (add_uevent_var(envp, num_envp, &i, buffer, buffer_size, &len,
- "FIRMWARE=%s", fw_priv->fw_id))
+ if (add_uevent_var(env, "FIRMWARE=%s", fw_priv->fw_id))
return -ENOMEM;
- if (add_uevent_var(envp, num_envp, &i, buffer, buffer_size, &len,
- "TIMEOUT=%i", loading_timeout))
+ if (add_uevent_var(env, "TIMEOUT=%i", loading_timeout))
return -ENOMEM;
- envp[i] = NULL;
return 0;
}
}
/* fallthrough */
default:
- printk(KERN_ERR "%s: unexpected value (%d)\n", __FUNCTION__,
+ printk(KERN_ERR "%s: unexpected value (%d)\n", __func__,
loading);
/* fallthrough */
case -1:
static DEVICE_ATTR(loading, 0644, firmware_loading_show, firmware_loading_store);
static ssize_t
-firmware_data_read(struct kobject *kobj,
+firmware_data_read(struct kobject *kobj, struct bin_attribute *bin_attr,
char *buffer, loff_t offset, size_t count)
{
struct device *dev = to_dev(kobj);
struct firmware_priv *fw_priv = dev_get_drvdata(dev);
struct firmware *fw;
- ssize_t ret_count = count;
+ ssize_t ret_count;
mutex_lock(&fw_lock);
fw = fw_priv->fw;
ret_count = -ENODEV;
goto out;
}
- if (offset > fw->size) {
- ret_count = 0;
- goto out;
- }
- if (offset + ret_count > fw->size)
- ret_count = fw->size - offset;
-
- memcpy(buffer, fw->data + offset, ret_count);
+ ret_count = memory_read_from_buffer(buffer, count, &offset,
+ fw->data, fw->size);
out:
mutex_unlock(&fw_lock);
return ret_count;
new_size = ALIGN(min_size, PAGE_SIZE);
new_data = vmalloc(new_size);
if (!new_data) {
- printk(KERN_ERR "%s: unable to alloc buffer\n", __FUNCTION__);
+ printk(KERN_ERR "%s: unable to alloc buffer\n", __func__);
/* Make sure that we don't keep incomplete data */
fw_load_abort(fw_priv);
return -ENOMEM;
/**
* firmware_data_write - write method for firmware
* @kobj: kobject for the device
+ * @bin_attr: bin_attr structure
* @buffer: buffer being written
* @offset: buffer offset for write in total data store area
* @count: buffer size
* the driver as a firmware image.
**/
static ssize_t
-firmware_data_write(struct kobject *kobj,
+firmware_data_write(struct kobject *kobj, struct bin_attribute *bin_attr,
char *buffer, loff_t offset, size_t count)
{
struct device *dev = to_dev(kobj);
if (retval)
goto out;
- memcpy(fw->data + offset, buffer, count);
+ memcpy((u8 *)fw->data + offset, buffer, count);
fw->size = max_t(size_t, offset + count, fw->size);
retval = count;
}
static struct bin_attribute firmware_attr_data_tmpl = {
- .attr = {.name = "data", .mode = 0644, .owner = THIS_MODULE},
+ .attr = {.name = "data", .mode = 0644},
.size = 0,
.read = firmware_data_read,
.write = firmware_data_write,
*dev_p = NULL;
if (!fw_priv || !f_dev) {
- printk(KERN_ERR "%s: kmalloc failed\n", __FUNCTION__);
+ printk(KERN_ERR "%s: kmalloc failed\n", __func__);
retval = -ENOMEM;
goto error_kfree;
}
retval = device_register(f_dev);
if (retval) {
printk(KERN_ERR "%s: device_register failed\n",
- __FUNCTION__);
+ __func__);
goto error_kfree;
}
*dev_p = f_dev;
retval = sysfs_create_bin_file(&f_dev->kobj, &fw_priv->attr_data);
if (retval) {
printk(KERN_ERR "%s: sysfs_create_bin_file failed\n",
- __FUNCTION__);
+ __func__);
goto error_unreg;
}
retval = device_create_file(f_dev, &dev_attr_loading);
if (retval) {
printk(KERN_ERR "%s: device_create_file failed\n",
- __FUNCTION__);
+ __func__);
goto error_unreg;
}
struct device *f_dev;
struct firmware_priv *fw_priv;
struct firmware *firmware;
+ struct builtin_fw *builtin;
int retval;
if (!firmware_p)
*firmware_p = firmware = kzalloc(sizeof(*firmware), GFP_KERNEL);
if (!firmware) {
printk(KERN_ERR "%s: kmalloc(struct firmware) failed\n",
- __FUNCTION__);
+ __func__);
retval = -ENOMEM;
goto out;
}
+ for (builtin = __start_builtin_fw; builtin != __end_builtin_fw;
+ builtin++) {
+ if (strcmp(name, builtin->name))
+ continue;
+ printk(KERN_INFO "firmware: using built-in firmware %s\n",
+ name);
+ firmware->size = builtin->size;
+ firmware->data = builtin->data;
+ return 0;
+ }
+
+ if (uevent)
+ printk(KERN_INFO "firmware: requesting %s\n", name);
+
retval = fw_setup_device(firmware, &f_dev, name, device, uevent);
if (retval)
goto error_kfree_fw;
void
release_firmware(const struct firmware *fw)
{
+ struct builtin_fw *builtin;
+
if (fw) {
+ for (builtin = __start_builtin_fw; builtin != __end_builtin_fw;
+ builtin++) {
+ if (fw->data == builtin->data)
+ goto free_fw;
+ }
vfree(fw->data);
+ free_fw:
kfree(fw);
}
}
int error;
error = class_register(&firmware_class);
if (error) {
- printk(KERN_ERR "%s: class_register failed\n", __FUNCTION__);
+ printk(KERN_ERR "%s: class_register failed\n", __func__);
return error;
}
error = class_create_file(&firmware_class, &class_attr_timeout);
if (error) {
printk(KERN_ERR "%s: class_create_file failed\n",
- __FUNCTION__);
+ __func__);
class_unregister(&firmware_class);
}
return error;