static int bq27410_update_write(struct file *filp, const char __user *buff, unsigned long len, void *data)
{
int ret = 0;
char update_file[100];
memset(update_file, 0, 100);
if(copy_from_user(&update_file, buff, len))
{
return -EFAULT;
}
update_file[len-1] = 0;
ret = update_get_flen(update_file);
if(ret == 0){
printk("bq27410_update_write:update_get_flen error.\n");
return -EFAULT;
}
mutex_lock(&g_bq27410_mutex);
printk("update file: %d-[%s].\n", len, update_file);
if(bq27410_update_flash_data(filp, update_file, len, data) < 0)
ret = bq27410_update_flash_data(filp, update_file, len, data);
mutex_unlock(&g_bq27410_mutex);
if(ret)
{
//after update firmware ,restart the system.
printk("%s,after update firmware ,restart the system.\n", __FUNCTION__);
sys_sync();
msleep(200);
bq27410_update_flag = 3;
// kernel_restart(NULL);
}
else{
printk("bq27410_update_write:update failed.\n");
bq27410_update_flag = 4;
}
return len;
}
static void bq27410_battery_update_work(struct work_struct *work)
{
struct file *filp;
int retval;
unsigned long len = sizeof(g_filename);
struct bq27410_device_info *di = container_of(work, struct bq27410_device_info, work.work);
retval = update_get_flen(g_filename);
if(retval == 0){
printk("bq27410_battery_update_work:update_get_flen error.\n");
return;
}
mutex_lock(&g_bq27410_mutex);
retval = bq27410_update_flash_data(filp, g_filename, len, NULL);
mutex_unlock(&g_bq27410_mutex);
if(retval == 0)
{
#if UPDATE_FIRMWARE_RESTART
printk("bq27410_battery_update_work ,update success,restart the system.\n");
virtual_battery_enable = 0;
//after update firmware ,restart the system.
sys_sync();
msleep(200);
kernel_restart(NULL);
return;
#else
printk("bq27410_battery_update_work ,update success.\n");
#endif
}
else{
printk("bq27410_battery_update_work:update failed.\n");
return;
}
bq27410_write_batt_insert(g_client);
msleep(2000);
bq27410_write_batt_insert(g_client);
INIT_DELAYED_WORK(&bq27410_di->work, bq27410_battery_work);
schedule_delayed_work(&bq27410_di->work, bq27410_di->interval);
}