[PATCH linux dev-5.3] clk: ast2600: enable BCLK for PCI/PCIe bus always

[Jae Hyun Yoo]

Hi Joel,

On 11/19/2019 4:07 PM, Joel Stanley wrote:
> On Tue, 19 Nov 2019 at 23:59, Jae Hyun Yoo <jae.hyun.yoo at linux.intel.com> wrote:
>>
>> BCLK for PCI/PCIe bus should be enabled always with having the
>> CLK_IS_CRITICAL flag otherwise it will be disabled at kernel late
>> initcall phase as an unused clock, and eventually it causes
>> unexpected behavior on BMC features that are connected to the host
>> through PCI/PCIe bus.
> 
> Which features do you see have unexpected behavior? We could load a
> driver instead, which would keep this clock disabled for platforms
> that don't use PCIe. If this isn't an option (eg. VGA) then we can
> include this patch.

Intel platforms don't use any driver which enables it. Intel team was
seeing host freezing issue which is relating to VGA H/W.

Cheers,

Jae