[PATCH linux dev-4.13] clk: aspeed: Prevent reset and enable if clock is already enabled

[Andrew Jeffery]

On Wed, 7 Mar 2018, at 06:54, Eddie James wrote:
> Systems are seeing some issues where the LPC clock gets into a bad state
> when the ASPEED clock driver resets and enables the clock during
> startup. The LPC clock (according to AST2500 spec) is enabled by default,
> so resetting and re-enabling is not desired. 

Well, maybe. Why do we have to avoid this sequence?

> Add a simple check before the
> enable procedure to see if the clock is already enabled.

I don't think this actually solves the problem, just papers over it. Can we solve it properly?

Andrew