Hi Mark

On Fri, Aug 16, 2019 at 01:03:14AM -0400, Shengjiu Wang wrote:

...

• for (i = 0; i < reg_max; i++)

• regcache[i] = readl(audmux_base + i * 4);
  

If only there were some framework which provided a register cache! 😝

Yes, next step I can refine this driver to use the regmap.

Best regards Wang shengjiu