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Message-ID: <28d2670d-a8bb-50d6-2154-79278db64bca@codeaurora.org>
Date:   Fri, 20 Sep 2019 09:30:51 +0530
From:   Taniya Das <tdas@...eaurora.org>
To:     Rajendra Nayak <rnayak@...eaurora.org>,
        Stephen Boyd <sboyd@...nel.org>,
        Michael Turquette <mturquette@...libre.com>, robh+dt@...nel.org
Cc:     David Brown <david.brown@...aro.org>,
        linux-arm-msm@...r.kernel.org, linux-soc@...r.kernel.org,
        linux-clk@...r.kernel.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org
Subject: Re: [PATCH v3 3/3] clk: qcom: Add Global Clock controller (GCC)
 driver for SC7180

Hi Rajendra,

Please pick the patch in the series : 
https://patchwork.kernel.org/patch/11150013/

On 9/19/2019 4:38 PM, Rajendra Nayak wrote:
> []..
> 
>> +static struct clk_rcg_dfs_data gcc_dfs_clocks[] = {
>> +    DEFINE_RCG_DFS(gcc_qupv3_wrap0_s0_clk_src),
>> +    DEFINE_RCG_DFS(gcc_qupv3_wrap0_s1_clk_src),
>> +    DEFINE_RCG_DFS(gcc_qupv3_wrap0_s2_clk_src),
>> +    DEFINE_RCG_DFS(gcc_qupv3_wrap0_s3_clk_src),
>> +    DEFINE_RCG_DFS(gcc_qupv3_wrap0_s4_clk_src),
>> +    DEFINE_RCG_DFS(gcc_qupv3_wrap0_s5_clk_src),
>> +    DEFINE_RCG_DFS(gcc_qupv3_wrap1_s0_clk_src),
>> +    DEFINE_RCG_DFS(gcc_qupv3_wrap1_s1_clk_src),
>> +    DEFINE_RCG_DFS(gcc_qupv3_wrap1_s2_clk_src),
>> +    DEFINE_RCG_DFS(gcc_qupv3_wrap1_s3_clk_src),
>> +    DEFINE_RCG_DFS(gcc_qupv3_wrap1_s4_clk_src),
>> +    DEFINE_RCG_DFS(gcc_qupv3_wrap1_s5_clk_src),
>> +};
> 
> this fails to build..
> 
> In file included from drivers/clk/qcom/gcc-sc7180.c:17:0:
> drivers/clk/qcom/gcc-sc7180.c:2429:17: error: 
> ‘gcc_qupv3_wrap0_s0_clk_src_src’ undeclared here (not in a function)
>    DEFINE_RCG_DFS(gcc_qupv3_wrap0_s0_clk_src),
>                   ^
> drivers/clk/qcom/clk-rcg.h:171:12: note: in definition of macro 
> ‘DEFINE_RCG_DFS’
>    { .rcg = &r##_src, .init = &r##_init }
>              ^
> drivers/clk/qcom/gcc-sc7180.c:2430:17: error: 
> ‘gcc_qupv3_wrap0_s1_clk_src_src’ undeclared here (not in a function)
>    DEFINE_RCG_DFS(gcc_qupv3_wrap0_s1_clk_src),
>                   ^
> drivers/clk/qcom/clk-rcg.h:171:12: note: in definition of macro 
> ‘DEFINE_RCG_DFS’
>    { .rcg = &r##_src, .init = &r##_init }
>              ^
> Perhaps you should drop _src here and in the clk_init_data names.
> 
>> +
>> +static const struct regmap_config gcc_sc7180_regmap_config = {
>> +    .reg_bits = 32,
>> +    .reg_stride = 4,
>> +    .val_bits = 32,
>> +    .max_register = 0x18208c,
>> +    .fast_io = true,
>> +};
>> +
>> +static const struct qcom_cc_desc gcc_sc7180_desc = {
>> +    .config = &gcc_sc7180_regmap_config,
>> +    .clk_hws = gcc_sc7180_hws,
>> +    .num_clk_hws = ARRAY_SIZE(gcc_sc7180_hws),
>> +    .clks = gcc_sc7180_clocks,
>> +    .num_clks = ARRAY_SIZE(gcc_sc7180_clocks),
>> +    .resets = gcc_sc7180_resets,
>> +    .num_resets = ARRAY_SIZE(gcc_sc7180_resets),
>> +    .gdscs = gcc_sc7180_gdscs,
>> +    .num_gdscs = ARRAY_SIZE(gcc_sc7180_gdscs),
>> +};
>> +
>> +static const struct of_device_id gcc_sc7180_match_table[] = {
>> +    { .compatible = "qcom,gcc-sc7180" },
>> +    { }
>> +};
>> +MODULE_DEVICE_TABLE(of, gcc_sc7180_match_table);
>> +
>> +static int gcc_sc7180_probe(struct platform_device *pdev)
>> +{
>> +    struct regmap *regmap;
>> +    int ret;
>> +
>> +    regmap = qcom_cc_map(pdev, &gcc_sc7180_desc);
>> +    if (IS_ERR(regmap))
>> +        return PTR_ERR(regmap);
>> +
>> +    /*
>> +     * Disable the GPLL0 active input to MM blocks, NPU
>> +     * and GPU via MISC registers.
>> +     */
>> +    regmap_update_bits(regmap, GCC_MMSS_MISC, 0x3, 0x3);
>> +    regmap_update_bits(regmap, GCC_NPU_MISC, 0x3, 0x3);
>> +    regmap_update_bits(regmap, GCC_GPU_MISC, 0x3, 0x3);
>> +
>> +    ret = qcom_cc_register_rcg_dfs(regmap, gcc_dfs_clocks,
>> +                    ARRAY_SIZE(gcc_dfs_clocks));
>> +    if (ret)
>> +        return ret;
>> +
>> +    return qcom_cc_really_probe(pdev, &gcc_sc7180_desc, regmap);
>> +}
>> +
>> +static struct platform_driver gcc_sc7180_driver = {
>> +    .probe = gcc_sc7180_probe,
>> +    .driver = {
>> +        .name = "gcc-sc7180",
>> +        .of_match_table = gcc_sc7180_match_table,
>> +    },
>> +};
>> +
>> +static int __init gcc_sc7180_init(void)
>> +{
>> +    return platform_driver_register(&gcc_sc7180_driver);
>> +}
>> +subsys_initcall(gcc_sc7180_init);
>> +
>> +static void __exit gcc_sc7180_exit(void)
>> +{
>> +    platform_driver_unregister(&gcc_sc7180_driver);
>> +}
>> +module_exit(gcc_sc7180_exit);
>> +
>> +MODULE_DESCRIPTION("QTI GCC SC7180 Driver");
>> +MODULE_LICENSE("GPL v2");
>> -- 
>> Qualcomm INDIA, on behalf of Qualcomm Innovation Center, Inc.is a member
>> of the Code Aurora Forum, hosted by the  Linux Foundation.
>>
> 

-- 
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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