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Date: Fri, 9 Feb 2024 13:44:49 +0300
From: Dan Carpenter <dan.carpenter@...aro.org>
To: oe-kbuild@...ts.linux.dev, Jagadeesh Kona <quic_jkona@...cinc.com>,
Bjorn Andersson <andersson@...nel.org>,
Konrad Dybcio <konrad.dybcio@...aro.org>,
Michael Turquette <mturquette@...libre.com>,
Stephen Boyd <sboyd@...nel.org>, Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk@...nel.org>,
Conor Dooley <conor+dt@...nel.org>
Cc: lkp@...el.com, oe-kbuild-all@...ts.linux.dev,
Vladimir Zapolskiy <vladimir.zapolskiy@...aro.org>,
Taniya Das <quic_tdas@...cinc.com>, linux-arm-msm@...r.kernel.org,
linux-clk@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org,
Imran Shaik <quic_imrashai@...cinc.com>,
Ajit Pandey <quic_ajipan@...cinc.com>,
Jagadeesh Kona <quic_jkona@...cinc.com>
Subject: Re: [PATCH 2/5] clk: qcom: videocc-sm8550: Add support for SM8650
videocc
Hi Jagadeesh,
kernel test robot noticed the following build warnings:
https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Jagadeesh-Kona/dt-bindings-clock-qcom-Add-video-clock-bindings-for-SM8650/20240206-194148
base: https://git.kernel.org/pub/scm/linux/kernel/git/clk/linux.git clk-next
patch link: https://lore.kernel.org/r/20240206113145.31096-3-quic_jkona%40quicinc.com
patch subject: [PATCH 2/5] clk: qcom: videocc-sm8550: Add support for SM8650 videocc
config: arm64-randconfig-r071-20240207 (https://download.01.org/0day-ci/archive/20240209/202402091804.SdrSLt10-lkp@intel.com/config)
compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project.git f28c006a5895fc0e329fe15fead81e37457cb1d1)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Reported-by: Dan Carpenter <dan.carpenter@...aro.org>
| Closes: https://lore.kernel.org/r/202402091804.SdrSLt10-lkp@intel.com/
smatch warnings:
drivers/clk/qcom/videocc-sm8550.c:590 video_cc_sm8550_probe() error: uninitialized symbol 'offset'.
vim +/offset +590 drivers/clk/qcom/videocc-sm8550.c
f53153a37969c1 Jagadeesh Kona 2023-05-24 543 static int video_cc_sm8550_probe(struct platform_device *pdev)
f53153a37969c1 Jagadeesh Kona 2023-05-24 544 {
f53153a37969c1 Jagadeesh Kona 2023-05-24 545 struct regmap *regmap;
f53153a37969c1 Jagadeesh Kona 2023-05-24 546 int ret;
5ab3df7257a04f Jagadeesh Kona 2024-02-06 547 u32 offset;
f53153a37969c1 Jagadeesh Kona 2023-05-24 548
f53153a37969c1 Jagadeesh Kona 2023-05-24 549 ret = devm_pm_runtime_enable(&pdev->dev);
f53153a37969c1 Jagadeesh Kona 2023-05-24 550 if (ret)
f53153a37969c1 Jagadeesh Kona 2023-05-24 551 return ret;
f53153a37969c1 Jagadeesh Kona 2023-05-24 552
f53153a37969c1 Jagadeesh Kona 2023-05-24 553 ret = pm_runtime_resume_and_get(&pdev->dev);
f53153a37969c1 Jagadeesh Kona 2023-05-24 554 if (ret)
f53153a37969c1 Jagadeesh Kona 2023-05-24 555 return ret;
f53153a37969c1 Jagadeesh Kona 2023-05-24 556
f53153a37969c1 Jagadeesh Kona 2023-05-24 557 regmap = qcom_cc_map(pdev, &video_cc_sm8550_desc);
f53153a37969c1 Jagadeesh Kona 2023-05-24 558 if (IS_ERR(regmap)) {
f53153a37969c1 Jagadeesh Kona 2023-05-24 559 pm_runtime_put(&pdev->dev);
f53153a37969c1 Jagadeesh Kona 2023-05-24 560 return PTR_ERR(regmap);
f53153a37969c1 Jagadeesh Kona 2023-05-24 561 }
f53153a37969c1 Jagadeesh Kona 2023-05-24 562
5ab3df7257a04f Jagadeesh Kona 2024-02-06 563 if (of_device_is_compatible(pdev->dev.of_node, "qcom,sm8550-videocc")) {
5ab3df7257a04f Jagadeesh Kona 2024-02-06 564 video_cc_sm8550_clocks[VIDEO_CC_MVS0_SHIFT_CLK] = NULL;
5ab3df7257a04f Jagadeesh Kona 2024-02-06 565 video_cc_sm8550_clocks[VIDEO_CC_MVS0C_SHIFT_CLK] = NULL;
5ab3df7257a04f Jagadeesh Kona 2024-02-06 566 video_cc_sm8550_clocks[VIDEO_CC_MVS1_SHIFT_CLK] = NULL;
5ab3df7257a04f Jagadeesh Kona 2024-02-06 567 video_cc_sm8550_clocks[VIDEO_CC_MVS1C_SHIFT_CLK] = NULL;
5ab3df7257a04f Jagadeesh Kona 2024-02-06 568 video_cc_sm8550_clocks[VIDEO_CC_XO_CLK_SRC] = NULL;
5ab3df7257a04f Jagadeesh Kona 2024-02-06 569 offset = 0x8140;
5ab3df7257a04f Jagadeesh Kona 2024-02-06 570 } else if (of_device_is_compatible(pdev->dev.of_node, "qcom,sm8650-videocc")) {
5ab3df7257a04f Jagadeesh Kona 2024-02-06 571 video_cc_pll0_config.l = 0x1e;
5ab3df7257a04f Jagadeesh Kona 2024-02-06 572 video_cc_pll0_config.alpha = 0xa000;
5ab3df7257a04f Jagadeesh Kona 2024-02-06 573 video_cc_pll1_config.l = 0x2b;
5ab3df7257a04f Jagadeesh Kona 2024-02-06 574 video_cc_pll1_config.alpha = 0xc000;
5ab3df7257a04f Jagadeesh Kona 2024-02-06 575 video_cc_mvs0_clk_src.freq_tbl = ftbl_video_cc_mvs0_clk_src_sm8650;
5ab3df7257a04f Jagadeesh Kona 2024-02-06 576 video_cc_mvs1_clk_src.freq_tbl = ftbl_video_cc_mvs1_clk_src_sm8650;
5ab3df7257a04f Jagadeesh Kona 2024-02-06 577 offset = 0x8150;
5ab3df7257a04f Jagadeesh Kona 2024-02-06 578 }
no else statement.
5ab3df7257a04f Jagadeesh Kona 2024-02-06 579
a2620539ae2529 Dmitry Baryshkov 2023-10-16 580 clk_lucid_ole_pll_configure(&video_cc_pll0, regmap, &video_cc_pll0_config);
a2620539ae2529 Dmitry Baryshkov 2023-10-16 581 clk_lucid_ole_pll_configure(&video_cc_pll1, regmap, &video_cc_pll1_config);
f53153a37969c1 Jagadeesh Kona 2023-05-24 582
f53153a37969c1 Jagadeesh Kona 2023-05-24 583 /*
f53153a37969c1 Jagadeesh Kona 2023-05-24 584 * Keep clocks always enabled:
f53153a37969c1 Jagadeesh Kona 2023-05-24 585 * video_cc_ahb_clk
f53153a37969c1 Jagadeesh Kona 2023-05-24 586 * video_cc_sleep_clk
f53153a37969c1 Jagadeesh Kona 2023-05-24 587 * video_cc_xo_clk
f53153a37969c1 Jagadeesh Kona 2023-05-24 588 */
f53153a37969c1 Jagadeesh Kona 2023-05-24 589 regmap_update_bits(regmap, 0x80f4, BIT(0), BIT(0));
5ab3df7257a04f Jagadeesh Kona 2024-02-06 @590 regmap_update_bits(regmap, offset, BIT(0), BIT(0));
f53153a37969c1 Jagadeesh Kona 2023-05-24 591 regmap_update_bits(regmap, 0x8124, BIT(0), BIT(0));
f53153a37969c1 Jagadeesh Kona 2023-05-24 592
f53153a37969c1 Jagadeesh Kona 2023-05-24 593 ret = qcom_cc_really_probe(pdev, &video_cc_sm8550_desc, regmap);
f53153a37969c1 Jagadeesh Kona 2023-05-24 594
f53153a37969c1 Jagadeesh Kona 2023-05-24 595 pm_runtime_put(&pdev->dev);
f53153a37969c1 Jagadeesh Kona 2023-05-24 596
f53153a37969c1 Jagadeesh Kona 2023-05-24 597 return ret;
f53153a37969c1 Jagadeesh Kona 2023-05-24 598 }
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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