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Date: Sun, 13 Dec 2020 14:00:25 +0530 From: Taniya Das <tdas@...eaurora.org> To: Stephen Boyd <sboyd@...nel.org>, Vinod Koul <vkoul@...nel.org> Cc: linux-arm-msm@...r.kernel.org, Bjorn Andersson <bjorn.andersson@...aro.org>, Vivek Aknurwar <viveka@...eaurora.org>, Andy Gross <agross@...nel.org>, Michael Turquette <mturquette@...libre.com>, Rob Herring <robh+dt@...nel.org>, linux-clk@...r.kernel.org, devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, Jeevan Shriram <jshriram@...eaurora.org> Subject: Re: [PATCH v2 5/5] clk: qcom: gcc: Add clock driver for SM8350 On 12/11/2020 12:40 PM, Stephen Boyd wrote: > Quoting Vinod Koul (2020-12-10 21:43:49) >> On 10-12-20, 12:43, Stephen Boyd wrote: >>>> +static struct clk_branch gcc_camera_ahb_clk = { >>>> + .halt_reg = 0x26004, >>>> + .halt_check = BRANCH_HALT_DELAY, >>>> + .hwcg_reg = 0x26004, >>>> + .hwcg_bit = 1, >>>> + .clkr = { >>>> + .enable_reg = 0x26004, >>>> + .enable_mask = BIT(0), >>>> + .hw.init = &(struct clk_init_data){ >>>> + .name = "gcc_camera_ahb_clk", >>>> + .flags = CLK_IS_CRITICAL, >>> >>> Why is it critical? Can we just enable it in driver probe and stop >>> modeling it as a clk? >> >> it does not have a parent we control, yeah it would make sense to do >> that. Tanya do you folks agree ..? >> > > Maybe it is needed for camera clk controller? Have to check other SoCs > and see if they're using it. > Yes, they would have to be left enabled. Vinod, could you please move them to probe, similar to kona/sc7180 where all the CRITICALs clocks are left enabled? -- QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by The Linux Foundation. --
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