[HELP] ipmi-kcs didn't work
Jae Hyun Yoo
jae.hyun.yoo at linux.intel.com
Thu Dec 6 01:51:40 AEDT 2018
On 12/4/2018 5:59 PM, Vijay Khemka wrote:
>
>
> On 12/4/18, 7:44 AM, "Jae Hyun Yoo" <jae.hyun.yoo at linux.intel.com> wrote:
>
> On 12/4/2018 12:18 AM, Ryan Chen wrote:
> > Hello Jae,
> > ASPEED LPC IP HW block have serval clk input.
> > Most important is LCLK is come from LPC Host.
> > The others is not controllable by register.
> > Ryan
> >
>
> Hi Ryan,
>
> Thanks for the information. So clock source of LCLK is from external
> usually from PCH, means that it doesn't have any parent dependency
> within BMC. In this case, we need to mark CLK_IS_CRITICAL flag to enable
> it. Also, we should mark the flag for ESPICLK too because eSPI is
> sharing the same interface with LPC.
>
> I'll make and upstream a patch.
>
> Thanks,
> Jae
> Jae,
> But I am able to enable clock through lpc-ctrl in dts. Which does same thing enabling clock for lpc. I don't think we need this patch.
>
Okay, you confirmed it. I believe that we don't need to use the critical
flag setting on LCLK then. Will drop the upstreaming patch.
Thanks,
Jae
> Regards
> -Vijay
>
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