Re: Re: [PATCH v13 0/3] Add driver support for ESWIN eic700 SoC clock controller

["Xuyang Dong" <dongxuyang@eswincomputing.com>]

> Hi ESWIN folks,
> 
> I'm testing your patchset on
> https://github.com/ganboing/linux-eic77/tree/eic77-integration-test-clk-v13
> 
> It's applied on top of Samuel's PMA v3 patshset, plus device-tree patches
> from your integration test branch. It's pretty similar to what Marcel did,
> but I just want to have a separate verification. What I found is that the
> kernel can successfully boot with clk_ignore_unused (eMMC/eth working),
> but hangs without. It stuck at
> 
> [    3.257141] clk: Disabling unused clocks
> 
> I'm pretty sure that some clocks that weren't supposed to get disabled got
> turned off. Can you validate if that's a bug in the clock driver, or my
> device-tree just didn't link all clocks. One thing I noticed is that there
> is no CLK_IS_CRITICAL in your code, so it's highly likely that DDR PLL or
> others were turned off unintentionally. Not a clock driver expert, but I'd
> expect the kernel should work fine without clk_ignore_unused.
> 

Hi Bo,

Thanks for your reply. I also got the same result without clk_ignore_unused. 
This is a bug, and I will address it in v14.

Regards,
Xuyang Dong