How to do concurrent control when accessing many registers by ioctl???

["yihect" <yihect@xxxxxxx>]

Hi, all:

    Im my device, there are many registers resider in several banks, these registers are all

accessed by one IOCTL cmd in my driver. And there are 2 or 3 tasks will access these registers simultaneously in app layer.

 

    So, my question is: Is there some common model to do this kind of concurrent control? Is there some sample as reference?

Any suggestion will be welcome also.