On Mon, May 18, 2020 at 03:44:05PM +0800, Tang Bin wrote:
> In the function fsl_micfil_startup(), the two lines of dev_err()
> can be shortened to one line. And delete unused initialized value
> of 'ret', because it will be assigned by the function
> fsl_micfil_set_mclk_rate().

This is two separate changes with no overlap so would have been better
sent as separate patches.