Re: [PATCH v9 08/13] pmdomain/rockchip: add optional per-domain power-on settle delay

[Abel Vesa]

On 26-08-24 23:08:57, Jiaxing Hu wrote:
> The RK3576 NPU domains need a short settle time after the idle request
> is released before the registers behind the domain answer. Without it
> the QoS writes that rockchip_pmu_restore_qos() issues land while the
> domain is still coming up, and the NPU throws an async SError on the
> first cold power-on.
> 
> Give rockchip_domain_info an optional delay_us and wait for it between
> releasing idle and restoring QoS. Rename DOMAIN_M_O_R_G to
> DOMAIN_M_O_R_G_W, since the suffixes name the fields the macro sets and
> this one now also carries a wakeup delay; RK3576 is its only user, so
> the old spelling is not kept around.
> 
> While the macro is being rewritten, give it the regulator argument that
> DOMAIN_M_O_R and DOMAIN_M_R already take. Without .need_regulator set,
> rockchip_pd_regulator_enable() returns early for every RK3576 domain, so
> a domain-supply in the device tree is never looked up and never enabled.
> Add a DOMAIN_RK3576_R spelling that passes true and use it for
> RK3576_PD_NPU, which is the one RK3576 domain with a rail of its own;
> every other domain passes false and is unchanged.
> 
> Signed-off-by: Jiaxing Hu <gahing@xxxxxxxxxxxxx>

Reviewed-by: Abel Vesa <abel.vesa@xxxxxxxxxxxxxxxx>