aboutsummaryrefslogtreecommitdiffstats
path: root/samples/firmware_class/firmware_sample_firmware_class.c
diff options
context:
space:
mode:
Diffstat (limited to 'samples/firmware_class/firmware_sample_firmware_class.c')
-rw-r--r--samples/firmware_class/firmware_sample_firmware_class.c33
1 files changed, 15 insertions, 18 deletions
diff --git a/samples/firmware_class/firmware_sample_firmware_class.c b/samples/firmware_class/firmware_sample_firmware_class.c
index 2799c472133..9392116e47b 100644
--- a/samples/firmware_class/firmware_sample_firmware_class.c
+++ b/samples/firmware_class/firmware_sample_firmware_class.c
@@ -25,30 +25,27 @@ MODULE_LICENSE("GPL");
static inline struct class_device *to_class_dev(struct kobject *obj)
{
- return container_of(obj,struct class_device,kobj);
+ return container_of(obj, struct class_device, kobj);
}
+
static inline
struct class_device_attribute *to_class_dev_attr(struct attribute *_attr)
{
- return container_of(_attr,struct class_device_attribute,attr);
+ return container_of(_attr, struct class_device_attribute, attr);
}
-int sysfs_create_bin_file(struct kobject * kobj, struct bin_attribute * attr);
-int sysfs_remove_bin_file(struct kobject * kobj, struct bin_attribute * attr);
-
struct firmware_priv {
char fw_id[FIRMWARE_NAME_MAX];
s32 loading:2;
u32 abort:1;
};
-extern struct class firmware_class;
-
static ssize_t firmware_loading_show(struct class_device *class_dev, char *buf)
{
struct firmware_priv *fw_priv = class_get_devdata(class_dev);
return sprintf(buf, "%d\n", fw_priv->loading);
}
+
static ssize_t firmware_loading_store(struct class_device *class_dev,
const char *buf, size_t count)
{
@@ -57,7 +54,7 @@ static ssize_t firmware_loading_store(struct class_device *class_dev,
fw_priv->loading = simple_strtol(buf, NULL, 10);
- switch(fw_priv->loading){
+ switch (fw_priv->loading) {
case -1:
/* abort load an panic */
break;
@@ -65,7 +62,7 @@ static ssize_t firmware_loading_store(struct class_device *class_dev,
/* setup load */
break;
case 0:
- if(prev_loading==1){
+ if (prev_loading == 1) {
/* finish load and get the device back to working
* state */
}
@@ -130,24 +127,24 @@ static int fw_setup_class_device(struct class_device *class_dev,
class_dev->class = &firmware_class,
class_set_devdata(class_dev, fw_priv);
retval = class_device_register(class_dev);
- if (retval){
+ if (retval) {
printk(KERN_ERR "%s: class_device_register failed\n",
- __FUNCTION__);
+ __func__);
goto error_free_fw_priv;
}
retval = sysfs_create_bin_file(&class_dev->kobj, &firmware_attr_data);
- if (retval){
+ if (retval) {
printk(KERN_ERR "%s: sysfs_create_bin_file failed\n",
- __FUNCTION__);
+ __func__);
goto error_unreg_class_dev;
}
retval = class_device_create_file(class_dev,
&class_device_attr_loading);
- if (retval){
+ if (retval) {
printk(KERN_ERR "%s: class_device_create_file failed\n",
- __FUNCTION__);
+ __func__);
goto error_remove_data;
}
@@ -183,16 +180,16 @@ static int __init firmware_sample_init(void)
device_initialize(&my_device);
class_dev = kmalloc(sizeof(struct class_device), GFP_KERNEL);
- if(!class_dev)
+ if (!class_dev)
return -ENOMEM;
error = fw_setup_class_device(class_dev, "my_firmware_image",
&my_device);
- if(error){
+ if (error) {
kfree(class_dev);
return error;
}
- return 0;
+ return 0;
}
static void __exit firmware_sample_exit(void)