From patchwork Wed Jan 3 13:36:01 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Konrad Dybcio X-Patchwork-Id: 759916 Received: from mail-ej1-f54.google.com (mail-ej1-f54.google.com [209.85.218.54]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 352121A5A4 for ; Wed, 3 Jan 2024 13:37:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linaro.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="AjThiLTV" Received: by mail-ej1-f54.google.com with SMTP id a640c23a62f3a-a275b3a1167so587057366b.3 for ; Wed, 03 Jan 2024 05:37:05 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1704289024; x=1704893824; darn=vger.kernel.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=6Cgup25mFBqNvuEmoK7puNS/TKkyMwPWWdoAoEKxYzo=; b=AjThiLTVWHNLbp2CAFBKbigl8QNqkavcMnuXXZTrLgCL0qDHeh9UQtx8bz/kBVMTQO 4Vphj6G0ddMryVpr3hqXiZnEIaisyNy3dQOu2rmfNNcpotvL89dn6K3bggoBT65c0EqV f9mWnZCsZiDJKh0Hse6zcLihwlVg6Qygm6hvKp4EA8NEVHu2wfdKiAbeqLPXl70ilOH3 qPhZZbLa3pw255YGjZapZ+dZRfnRBANbFz9SDt4I3k7ICpg3TsM8rCJBXj9BDKWHXXBe mFSK6+Tr404IcT/Vg+40uhXqBGpY3GEbFLf3lmR1/DXniaqJv2oqjqrgR/Al8kqwnEiK XaJw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1704289024; x=1704893824; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=6Cgup25mFBqNvuEmoK7puNS/TKkyMwPWWdoAoEKxYzo=; b=J5+a/KE/dZfAvEjbrP42uw1UC6dz5cMQbJA2JOPdYE8VdR0jiOYatiqCnHU5/4qhNL 84gNLvcilhEYsFl/QN8iRXssaBIvQ71XktAq4M6lGpRNm3fYD/r28RSrY6ZDlgOtjmqM Hn7pOv14K5+Xrq8Rv8DpTmn1fncMXXFX0id+8POEkgoOxuO6JHBxlg7z7yLG0YY7vCPo 1ASFaA4odbaWRoMcZknu9drUoJ8LpWEvNTkpzratJREPDHUVojHXg+wR3O2Ce3A+7qi+ 6B5ITFBwxQTxnickkZ/dK3g+cfv9Uy6MG5sdYaY1D/i200OiaXNhNCRUZ5DFPot5wxXU N1Gw== X-Gm-Message-State: AOJu0Yw426igvn7n9KiVutU+BuR5dTJ6gj1A9nR5qNG/9tFvN9nHMQ+J 0n6a+avOrizhsrvf9Cshd1LwPairKjG8Cg== X-Google-Smtp-Source: AGHT+IEbR2tyIwQC3zP+G6fGrzknH/hAJWI8LwNxraVJWFP4Ry4ozbxFPXmme1HJ2bhCAkieOEYICg== X-Received: by 2002:a17:906:f84d:b0:a28:b183:a637 with SMTP id ks13-20020a170906f84d00b00a28b183a637mr140943ejb.40.1704289024523; Wed, 03 Jan 2024 05:37:04 -0800 (PST) Received: from [10.167.154.1] (178235179036.dynamic-4-waw-k-1-3-0.vectranet.pl. [178.235.179.36]) by smtp.gmail.com with ESMTPSA id cl2-20020a170906c4c200b00a275637e699sm6474351ejb.166.2024.01.03.05.37.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 03 Jan 2024 05:37:04 -0800 (PST) From: Konrad Dybcio Date: Wed, 03 Jan 2024 14:36:01 +0100 Subject: [PATCH v5 03/12] clk: qcom: gcc-sm6375: Unregister critical clocks Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20230717-topic-branch_aon_cleanup-v5-3-99942e6bf1ba@linaro.org> References: <20230717-topic-branch_aon_cleanup-v5-0-99942e6bf1ba@linaro.org> In-Reply-To: <20230717-topic-branch_aon_cleanup-v5-0-99942e6bf1ba@linaro.org> To: Bjorn Andersson , Andy Gross , Michael Turquette , Stephen Boyd , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: Marijn Suijten , linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Konrad Dybcio X-Mailer: b4 0.12.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1704289018; l=6876; i=konrad.dybcio@linaro.org; s=20230215; h=from:subject:message-id; bh=QwZrer5hUrufa1cwj4h/mbEbY79jEsGECy877LaHpmw=; b=D95hVpbcxSRFv1dTl4UGZfPZaL65U/LzTU8npnpJhInPhhYfw9F6nS0ZIzMYMMh+F6MKU2INC n0DXjK+nCGxBj4MU2GV1fypWXhkF1Y/5JxAfC1w7o0FktJuBgqzgEi/ X-Developer-Key: i=konrad.dybcio@linaro.org; a=ed25519; pk=iclgkYvtl2w05SSXO5EjjSYlhFKsJ+5OSZBjOkQuEms= Some clocks need to be always-on, but we don't really do anything with them, other than calling enable() once and telling Linux they're enabled. Unregister them to save a couple of bytes and, perhaps more importantly, allow for runtime suspend of the clock controller device, as CLK_IS_CRITICAL prevents the latter. Signed-off-by: Konrad Dybcio --- drivers/clk/qcom/gcc-sm6375.c | 94 +++---------------------------------------- 1 file changed, 5 insertions(+), 89 deletions(-) diff --git a/drivers/clk/qcom/gcc-sm6375.c b/drivers/clk/qcom/gcc-sm6375.c index 84639d5b89bf..a20fc07c5af3 100644 --- a/drivers/clk/qcom/gcc-sm6375.c +++ b/drivers/clk/qcom/gcc-sm6375.c @@ -1743,22 +1743,6 @@ static struct clk_branch gcc_cam_throttle_rt_clk = { }, }; -static struct clk_branch gcc_camera_ahb_clk = { - .halt_reg = 0x17008, - .halt_check = BRANCH_HALT_DELAY, - .hwcg_reg = 0x17008, - .hwcg_bit = 1, - .clkr = { - .enable_reg = 0x17008, - .enable_mask = BIT(0), - .hw.init = &(struct clk_init_data){ - .name = "gcc_camera_ahb_clk", - .flags = CLK_IS_CRITICAL, - .ops = &clk_branch2_ops, - }, - }, -}; - static struct clk_branch gcc_camss_axi_clk = { .halt_reg = 0x58044, .halt_check = BRANCH_HALT, @@ -2309,22 +2293,6 @@ static struct clk_branch gcc_cfg_noc_usb3_prim_axi_clk = { }, }; -static struct clk_branch gcc_disp_ahb_clk = { - .halt_reg = 0x1700c, - .halt_check = BRANCH_HALT_VOTED, - .hwcg_reg = 0x1700c, - .hwcg_bit = 1, - .clkr = { - .enable_reg = 0x1700c, - .enable_mask = BIT(0), - .hw.init = &(struct clk_init_data){ - .name = "gcc_disp_ahb_clk", - .flags = CLK_IS_CRITICAL, - .ops = &clk_branch2_ops, - }, - }, -}; - static struct clk_regmap_div gcc_disp_gpll0_clk_src = { .reg = 0x17058, .shift = 0, @@ -2455,22 +2423,6 @@ static struct clk_branch gcc_gp3_clk = { }, }; -static struct clk_branch gcc_gpu_cfg_ahb_clk = { - .halt_reg = 0x36004, - .halt_check = BRANCH_HALT_VOTED, - .hwcg_reg = 0x36004, - .hwcg_bit = 1, - .clkr = { - .enable_reg = 0x36004, - .enable_mask = BIT(0), - .hw.init = &(struct clk_init_data){ - .name = "gcc_gpu_cfg_ahb_clk", - .flags = CLK_IS_CRITICAL, - .ops = &clk_branch2_ops, - }, - }, -}; - static struct clk_branch gcc_gpu_gpll0_clk_src = { .halt_check = BRANCH_HALT_DELAY, .clkr = { @@ -3094,26 +3046,6 @@ static struct clk_branch gcc_sdcc2_apps_clk = { }, }; -static struct clk_branch gcc_sys_noc_cpuss_ahb_clk = { - .halt_reg = 0x2b06c, - .halt_check = BRANCH_HALT_VOTED, - .hwcg_reg = 0x2b06c, - .hwcg_bit = 1, - .clkr = { - .enable_reg = 0x79004, - .enable_mask = BIT(0), - .hw.init = &(struct clk_init_data){ - .name = "gcc_sys_noc_cpuss_ahb_clk", - .parent_hws = (const struct clk_hw*[]) { - &gcc_cpuss_ahb_postdiv_clk_src.clkr.hw, - }, - .num_parents = 1, - .flags = CLK_IS_CRITICAL | CLK_SET_RATE_PARENT, - .ops = &clk_branch2_ops, - }, - }, -}; - static struct clk_branch gcc_sys_noc_ufs_phy_axi_clk = { .halt_reg = 0x45098, .halt_check = BRANCH_HALT, @@ -3433,22 +3365,6 @@ static struct clk_branch gcc_venus_ctl_axi_clk = { }, }; -static struct clk_branch gcc_video_ahb_clk = { - .halt_reg = 0x17004, - .halt_check = BRANCH_HALT_DELAY, - .hwcg_reg = 0x17004, - .hwcg_bit = 1, - .clkr = { - .enable_reg = 0x17004, - .enable_mask = BIT(0), - .hw.init = &(struct clk_init_data){ - .name = "gcc_video_ahb_clk", - .flags = CLK_IS_CRITICAL, - .ops = &clk_branch2_ops, - }, - }, -}; - static struct clk_branch gcc_video_axi0_clk = { .halt_reg = 0x1701c, .halt_check = BRANCH_HALT_VOTED, @@ -3615,7 +3531,6 @@ static struct clk_regmap *gcc_sm6375_clocks[] = { [GCC_BOOT_ROM_AHB_CLK] = &gcc_boot_rom_ahb_clk.clkr, [GCC_CAM_THROTTLE_NRT_CLK] = &gcc_cam_throttle_nrt_clk.clkr, [GCC_CAM_THROTTLE_RT_CLK] = &gcc_cam_throttle_rt_clk.clkr, - [GCC_CAMERA_AHB_CLK] = &gcc_camera_ahb_clk.clkr, [GCC_CAMSS_AXI_CLK] = &gcc_camss_axi_clk.clkr, [GCC_CAMSS_AXI_CLK_SRC] = &gcc_camss_axi_clk_src.clkr, [GCC_CAMSS_CCI_0_CLK] = &gcc_camss_cci_0_clk.clkr, @@ -3671,7 +3586,6 @@ static struct clk_regmap *gcc_sm6375_clocks[] = { [GCC_CFG_NOC_USB3_PRIM_AXI_CLK] = &gcc_cfg_noc_usb3_prim_axi_clk.clkr, [GCC_CPUSS_AHB_CLK_SRC] = &gcc_cpuss_ahb_clk_src.clkr, [GCC_CPUSS_AHB_POSTDIV_CLK_SRC] = &gcc_cpuss_ahb_postdiv_clk_src.clkr, - [GCC_DISP_AHB_CLK] = &gcc_disp_ahb_clk.clkr, [GCC_DISP_GPLL0_CLK_SRC] = &gcc_disp_gpll0_clk_src.clkr, [GCC_DISP_GPLL0_DIV_CLK_SRC] = &gcc_disp_gpll0_div_clk_src.clkr, [GCC_DISP_HF_AXI_CLK] = &gcc_disp_hf_axi_clk.clkr, @@ -3683,7 +3597,6 @@ static struct clk_regmap *gcc_sm6375_clocks[] = { [GCC_GP2_CLK_SRC] = &gcc_gp2_clk_src.clkr, [GCC_GP3_CLK] = &gcc_gp3_clk.clkr, [GCC_GP3_CLK_SRC] = &gcc_gp3_clk_src.clkr, - [GCC_GPU_CFG_AHB_CLK] = &gcc_gpu_cfg_ahb_clk.clkr, [GCC_GPU_GPLL0_CLK_SRC] = &gcc_gpu_gpll0_clk_src.clkr, [GCC_GPU_GPLL0_DIV_CLK_SRC] = &gcc_gpu_gpll0_div_clk_src.clkr, [GCC_GPU_MEMNOC_GFX_CLK] = &gcc_gpu_memnoc_gfx_clk.clkr, @@ -3739,7 +3652,6 @@ static struct clk_regmap *gcc_sm6375_clocks[] = { [GCC_SDCC2_AHB_CLK] = &gcc_sdcc2_ahb_clk.clkr, [GCC_SDCC2_APPS_CLK] = &gcc_sdcc2_apps_clk.clkr, [GCC_SDCC2_APPS_CLK_SRC] = &gcc_sdcc2_apps_clk_src.clkr, - [GCC_SYS_NOC_CPUSS_AHB_CLK] = &gcc_sys_noc_cpuss_ahb_clk.clkr, [GCC_SYS_NOC_UFS_PHY_AXI_CLK] = &gcc_sys_noc_ufs_phy_axi_clk.clkr, [GCC_SYS_NOC_USB3_PRIM_AXI_CLK] = &gcc_sys_noc_usb3_prim_axi_clk.clkr, [GCC_UFS_PHY_AHB_CLK] = &gcc_ufs_phy_ahb_clk.clkr, @@ -3766,7 +3678,6 @@ static struct clk_regmap *gcc_sm6375_clocks[] = { [GCC_VCODEC0_AXI_CLK] = &gcc_vcodec0_axi_clk.clkr, [GCC_VENUS_AHB_CLK] = &gcc_venus_ahb_clk.clkr, [GCC_VENUS_CTL_AXI_CLK] = &gcc_venus_ctl_axi_clk.clkr, - [GCC_VIDEO_AHB_CLK] = &gcc_video_ahb_clk.clkr, [GCC_VIDEO_AXI0_CLK] = &gcc_video_axi0_clk.clkr, [GCC_VIDEO_THROTTLE_CORE_CLK] = &gcc_video_throttle_core_clk.clkr, [GCC_VIDEO_VCODEC0_SYS_CLK] = &gcc_video_vcodec0_sys_clk.clkr, @@ -3886,6 +3797,11 @@ static int gcc_sm6375_probe(struct platform_device *pdev) qcom_branch_set_clk_en(regmap, 0x17028); /* GCC_CAMERA_XO_CLK */ qcom_branch_set_clk_en(regmap, 0x2b004); /* GCC_CPUSS_GNOC_CLK */ qcom_branch_set_clk_en(regmap, 0x1702c); /* GCC_DISP_XO_CLK */ + qcom_branch_set_clk_en(regmap, 0x17008); /* GCC_CAMERA_AHB_CLK */ + qcom_branch_set_clk_en(regmap, 0x1700c); /* GCC_DISP_AHB_CLK */ + qcom_branch_set_clk_en(regmap, 0x36004); /* GCC_GPU_CFG_AHB_CLK */ + qcom_branch_set_clk_en(regmap, 0x79004); /* GCC_SYS_NOC_CPUSS_AHB_CLK */ + qcom_branch_set_clk_en(regmap, 0x17004); /* GCC_VIDEO_AHB_CLK */ clk_lucid_pll_configure(&gpll10, regmap, &gpll10_config); clk_lucid_pll_configure(&gpll11, regmap, &gpll11_config);