Messages in this thread | | | Subject | Re: [RESEND PATCH v2 1/2] soc: amlogic: add Meson GX VPU Domains driver | From | Neil Armstrong <> | Date | Mon, 30 Oct 2017 17:47:46 +0100 |
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On 30/10/2017 16:40, Ulf Hansson wrote: > Hi Neil, > > [...] > >> + >> + pm_genpd_init(&vpu_hdmi_pd.genpd, &simple_qos_governor, >> + meson_gx_pwrc_vpu_get_power(&vpu_hdmi_pd)); >> + > > This means that you may initialize the genpd in powered on state. > > For that scenario, I think you will hit a clock unprepare/disable > in-balance issue when genpd calls your ->power_off() callback, simply > because you didn't call clk_prepare_enable() for the clocks first. > > [...] > > Kind regards > Uffe >
Hi,
I added a "powered" attribute to trace if power-on was done by the driver, but I only protected the shutdown call.... I should indeed protect it in the power_off call instead.
Neil
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