Re: [patch V2 09/22] cpufreq: Convert to new X86 CPU match macros

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On Tue, Mar 24, 2020 at 2:52 PM Thomas Gleixner <tglx@xxxxxxxxxxxxx> wrote:
>
> The new macro set has a consistent namespace and uses C99 initializers
> instead of the grufty C89 ones.
>
> Get rid the of most local macro wrappers for consistency. The ones which
> make sense for readability are renamed to X86_MATCH*.
>
> In the centrino driver this also removes the two extra duplicates of family
> 6 model 13 which have no value at all.
>
> Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
> Cc: "Rafael J. Wysocki" <rjw@xxxxxxxxxxxxx>
> Cc: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
> Cc: linux-pm@xxxxxxxxxxxxxxx
> Cc: Srinivas Pandruvada <srinivas.pandruvada@xxxxxxxxxxxxxxx>
> Cc: Len Brown <lenb@xxxxxxxxxx>

Acked-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>

> ---
> V2: Add the dropped terminator in the centrino speedstep driver back. (Andy)
> ---
>  drivers/cpufreq/acpi-cpufreq.c         |    4 -
>  drivers/cpufreq/amd_freq_sensitivity.c |    2
>  drivers/cpufreq/e_powersaver.c         |    2
>  drivers/cpufreq/elanfreq.c             |    2
>  drivers/cpufreq/intel_pstate.c         |   71 ++++++++++++++++-----------------
>  drivers/cpufreq/longhaul.c             |    2
>  drivers/cpufreq/longrun.c              |    3 -
>  drivers/cpufreq/p4-clockmod.c          |    2
>  drivers/cpufreq/powernow-k6.c          |    4 -
>  drivers/cpufreq/powernow-k7.c          |    2
>  drivers/cpufreq/powernow-k8.c          |    2
>  drivers/cpufreq/sc520_freq.c           |    2
>  drivers/cpufreq/speedstep-centrino.c   |   14 +-----
>  drivers/cpufreq/speedstep-ich.c        |   10 +---
>  drivers/cpufreq/speedstep-smi.c        |   10 +---
>  15 files changed, 59 insertions(+), 73 deletions(-)
>
> --- a/drivers/cpufreq/acpi-cpufreq.c
> +++ b/drivers/cpufreq/acpi-cpufreq.c
> @@ -991,8 +991,8 @@ late_initcall(acpi_cpufreq_init);
>  module_exit(acpi_cpufreq_exit);
>
>  static const struct x86_cpu_id acpi_cpufreq_ids[] = {
> -       X86_FEATURE_MATCH(X86_FEATURE_ACPI),
> -       X86_FEATURE_MATCH(X86_FEATURE_HW_PSTATE),
> +       X86_MATCH_FEATURE(X86_FEATURE_ACPI, NULL),
> +       X86_MATCH_FEATURE(X86_FEATURE_HW_PSTATE, NULL),
>         {}
>  };
>  MODULE_DEVICE_TABLE(x86cpu, acpi_cpufreq_ids);
> --- a/drivers/cpufreq/amd_freq_sensitivity.c
> +++ b/drivers/cpufreq/amd_freq_sensitivity.c
> @@ -144,7 +144,7 @@ static void __exit amd_freq_sensitivity_
>  module_exit(amd_freq_sensitivity_exit);
>
>  static const struct x86_cpu_id amd_freq_sensitivity_ids[] = {
> -       X86_FEATURE_MATCH(X86_FEATURE_PROC_FEEDBACK),
> +       X86_MATCH_FEATURE(X86_FEATURE_PROC_FEEDBACK, NULL),
>         {}
>  };
>  MODULE_DEVICE_TABLE(x86cpu, amd_freq_sensitivity_ids);
> --- a/drivers/cpufreq/e_powersaver.c
> +++ b/drivers/cpufreq/e_powersaver.c
> @@ -385,7 +385,7 @@ static struct cpufreq_driver eps_driver
>  /* This driver will work only on Centaur C7 processors with
>   * Enhanced SpeedStep/PowerSaver registers */
>  static const struct x86_cpu_id eps_cpu_id[] = {
> -       { X86_VENDOR_CENTAUR, 6, X86_MODEL_ANY, X86_FEATURE_EST },
> +       X86_MATCH_VENDOR_FAM_FEATURE(CENTAUR, 6, X86_FEATURE_EST, NULL),
>         {}
>  };
>  MODULE_DEVICE_TABLE(x86cpu, eps_cpu_id);
> --- a/drivers/cpufreq/elanfreq.c
> +++ b/drivers/cpufreq/elanfreq.c
> @@ -198,7 +198,7 @@ static struct cpufreq_driver elanfreq_dr
>  };
>
>  static const struct x86_cpu_id elan_id[] = {
> -       { X86_VENDOR_AMD, 4, 10, },
> +       X86_MATCH_VENDOR_FAM_MODEL(AMD, 4, 10, NULL),
>         {}
>  };
>  MODULE_DEVICE_TABLE(x86cpu, elan_id);
> --- a/drivers/cpufreq/intel_pstate.c
> +++ b/drivers/cpufreq/intel_pstate.c
> @@ -1909,51 +1909,51 @@ static const struct pstate_funcs knl_fun
>         .get_val = core_get_val,
>  };
>
> -#define ICPU(model, policy) \
> -       { X86_VENDOR_INTEL, 6, model, X86_FEATURE_APERFMPERF,\
> -                       (unsigned long)&policy }
> +#define X86_MATCH(model, policy)                                        \
> +       X86_MATCH_VENDOR_FAM_MODEL_FEATURE(INTEL, 6, INTEL_FAM6_##model, \
> +                                          X86_FEATURE_APERFMPERF, &policy)
>
>  static const struct x86_cpu_id intel_pstate_cpu_ids[] = {
> -       ICPU(INTEL_FAM6_SANDYBRIDGE,            core_funcs),
> -       ICPU(INTEL_FAM6_SANDYBRIDGE_X,          core_funcs),
> -       ICPU(INTEL_FAM6_ATOM_SILVERMONT,        silvermont_funcs),
> -       ICPU(INTEL_FAM6_IVYBRIDGE,              core_funcs),
> -       ICPU(INTEL_FAM6_HASWELL,                core_funcs),
> -       ICPU(INTEL_FAM6_BROADWELL,              core_funcs),
> -       ICPU(INTEL_FAM6_IVYBRIDGE_X,            core_funcs),
> -       ICPU(INTEL_FAM6_HASWELL_X,              core_funcs),
> -       ICPU(INTEL_FAM6_HASWELL_L,              core_funcs),
> -       ICPU(INTEL_FAM6_HASWELL_G,              core_funcs),
> -       ICPU(INTEL_FAM6_BROADWELL_G,            core_funcs),
> -       ICPU(INTEL_FAM6_ATOM_AIRMONT,           airmont_funcs),
> -       ICPU(INTEL_FAM6_SKYLAKE_L,              core_funcs),
> -       ICPU(INTEL_FAM6_BROADWELL_X,            core_funcs),
> -       ICPU(INTEL_FAM6_SKYLAKE,                core_funcs),
> -       ICPU(INTEL_FAM6_BROADWELL_D,            core_funcs),
> -       ICPU(INTEL_FAM6_XEON_PHI_KNL,           knl_funcs),
> -       ICPU(INTEL_FAM6_XEON_PHI_KNM,           knl_funcs),
> -       ICPU(INTEL_FAM6_ATOM_GOLDMONT,          core_funcs),
> -       ICPU(INTEL_FAM6_ATOM_GOLDMONT_PLUS,     core_funcs),
> -       ICPU(INTEL_FAM6_SKYLAKE_X,              core_funcs),
> +       X86_MATCH(SANDYBRIDGE,          core_funcs),
> +       X86_MATCH(SANDYBRIDGE_X,        core_funcs),
> +       X86_MATCH(ATOM_SILVERMONT,      silvermont_funcs),
> +       X86_MATCH(IVYBRIDGE,            core_funcs),
> +       X86_MATCH(HASWELL,              core_funcs),
> +       X86_MATCH(BROADWELL,            core_funcs),
> +       X86_MATCH(IVYBRIDGE_X,          core_funcs),
> +       X86_MATCH(HASWELL_X,            core_funcs),
> +       X86_MATCH(HASWELL_L,            core_funcs),
> +       X86_MATCH(HASWELL_G,            core_funcs),
> +       X86_MATCH(BROADWELL_G,          core_funcs),
> +       X86_MATCH(ATOM_AIRMONT,         airmont_funcs),
> +       X86_MATCH(SKYLAKE_L,            core_funcs),
> +       X86_MATCH(BROADWELL_X,          core_funcs),
> +       X86_MATCH(SKYLAKE,              core_funcs),
> +       X86_MATCH(BROADWELL_D,          core_funcs),
> +       X86_MATCH(XEON_PHI_KNL,         knl_funcs),
> +       X86_MATCH(XEON_PHI_KNM,         knl_funcs),
> +       X86_MATCH(ATOM_GOLDMONT,        core_funcs),
> +       X86_MATCH(ATOM_GOLDMONT_PLUS,   core_funcs),
> +       X86_MATCH(SKYLAKE_X,            core_funcs),
>         {}
>  };
>  MODULE_DEVICE_TABLE(x86cpu, intel_pstate_cpu_ids);
>
>  static const struct x86_cpu_id intel_pstate_cpu_oob_ids[] __initconst = {
> -       ICPU(INTEL_FAM6_BROADWELL_D, core_funcs),
> -       ICPU(INTEL_FAM6_BROADWELL_X, core_funcs),
> -       ICPU(INTEL_FAM6_SKYLAKE_X, core_funcs),
> +       X86_MATCH(BROADWELL_D,          core_funcs),
> +       X86_MATCH(BROADWELL_X,          core_funcs),
> +       X86_MATCH(SKYLAKE_X,            core_funcs),
>         {}
>  };
>
>  static const struct x86_cpu_id intel_pstate_cpu_ee_disable_ids[] = {
> -       ICPU(INTEL_FAM6_KABYLAKE, core_funcs),
> +       X86_MATCH(KABYLAKE,             core_funcs),
>         {}
>  };
>
>  static const struct x86_cpu_id intel_pstate_hwp_boost_ids[] = {
> -       ICPU(INTEL_FAM6_SKYLAKE_X, core_funcs),
> -       ICPU(INTEL_FAM6_SKYLAKE, core_funcs),
> +       X86_MATCH(SKYLAKE_X,            core_funcs),
> +       X86_MATCH(SKYLAKE,              core_funcs),
>         {}
>  };
>
> @@ -2726,13 +2726,14 @@ static inline void intel_pstate_request_
>
>  #define INTEL_PSTATE_HWP_BROADWELL     0x01
>
> -#define ICPU_HWP(model, hwp_mode) \
> -       { X86_VENDOR_INTEL, 6, model, X86_FEATURE_HWP, hwp_mode }
> +#define X86_MATCH_HWP(model, hwp_mode)                                 \
> +       X86_MATCH_VENDOR_FAM_MODEL_FEATURE(INTEL, 6, INTEL_FAM6_##model, \
> +                                          X86_FEATURE_APERFMPERF, hwp_mode)
>
>  static const struct x86_cpu_id hwp_support_ids[] __initconst = {
> -       ICPU_HWP(INTEL_FAM6_BROADWELL_X, INTEL_PSTATE_HWP_BROADWELL),
> -       ICPU_HWP(INTEL_FAM6_BROADWELL_D, INTEL_PSTATE_HWP_BROADWELL),
> -       ICPU_HWP(X86_MODEL_ANY, 0),
> +       X86_MATCH_HWP(BROADWELL_X,      INTEL_PSTATE_HWP_BROADWELL),
> +       X86_MATCH_HWP(BROADWELL_D,      INTEL_PSTATE_HWP_BROADWELL),
> +       X86_MATCH_HWP(ANY,              0),
>         {}
>  };
>
> --- a/drivers/cpufreq/longhaul.c
> +++ b/drivers/cpufreq/longhaul.c
> @@ -910,7 +910,7 @@ static struct cpufreq_driver longhaul_dr
>  };
>
>  static const struct x86_cpu_id longhaul_id[] = {
> -       { X86_VENDOR_CENTAUR, 6 },
> +       X86_MATCH_VENDOR_FAM(CENTAUR, 6, NULL),
>         {}
>  };
>  MODULE_DEVICE_TABLE(x86cpu, longhaul_id);
> --- a/drivers/cpufreq/longrun.c
> +++ b/drivers/cpufreq/longrun.c
> @@ -281,8 +281,7 @@ static struct cpufreq_driver longrun_dri
>  };
>
>  static const struct x86_cpu_id longrun_ids[] = {
> -       { X86_VENDOR_TRANSMETA, X86_FAMILY_ANY, X86_MODEL_ANY,
> -         X86_FEATURE_LONGRUN },
> +       X86_MATCH_VENDOR_FEATURE(TRANSMETA, X86_FEATURE_LONGRUN, NULL),
>         {}
>  };
>  MODULE_DEVICE_TABLE(x86cpu, longrun_ids);
> --- a/drivers/cpufreq/p4-clockmod.c
> +++ b/drivers/cpufreq/p4-clockmod.c
> @@ -231,7 +231,7 @@ static struct cpufreq_driver p4clockmod_
>  };
>
>  static const struct x86_cpu_id cpufreq_p4_id[] = {
> -       { X86_VENDOR_INTEL, X86_FAMILY_ANY, X86_MODEL_ANY, X86_FEATURE_ACC },
> +       X86_MATCH_VENDOR_FEATURE(INTEL, X86_FEATURE_ACC, NULL),
>         {}
>  };
>
> --- a/drivers/cpufreq/powernow-k6.c
> +++ b/drivers/cpufreq/powernow-k6.c
> @@ -258,8 +258,8 @@ static struct cpufreq_driver powernow_k6
>  };
>
>  static const struct x86_cpu_id powernow_k6_ids[] = {
> -       { X86_VENDOR_AMD, 5, 12 },
> -       { X86_VENDOR_AMD, 5, 13 },
> +       X86_MATCH_VENDOR_FAM_MODEL(AMD, 5, 12, NULL),
> +       X86_MATCH_VENDOR_FAM_MODEL(AMD, 5, 13, NULL),
>         {}
>  };
>  MODULE_DEVICE_TABLE(x86cpu, powernow_k6_ids);
> --- a/drivers/cpufreq/powernow-k7.c
> +++ b/drivers/cpufreq/powernow-k7.c
> @@ -109,7 +109,7 @@ static int check_fsb(unsigned int fsbspe
>  }
>
>  static const struct x86_cpu_id powernow_k7_cpuids[] = {
> -       { X86_VENDOR_AMD, 6, },
> +       X86_MATCH_VENDOR_FAM(AMD, 6, NULL),
>         {}
>  };
>  MODULE_DEVICE_TABLE(x86cpu, powernow_k7_cpuids);
> --- a/drivers/cpufreq/powernow-k8.c
> +++ b/drivers/cpufreq/powernow-k8.c
> @@ -452,7 +452,7 @@ static int core_voltage_post_transition(
>
>  static const struct x86_cpu_id powernow_k8_ids[] = {
>         /* IO based frequency switching */
> -       { X86_VENDOR_AMD, 0xf },
> +       X86_MATCH_VENDOR_FAM(AMD, 0xf, NULL),
>         {}
>  };
>  MODULE_DEVICE_TABLE(x86cpu, powernow_k8_ids);
> --- a/drivers/cpufreq/sc520_freq.c
> +++ b/drivers/cpufreq/sc520_freq.c
> @@ -95,7 +95,7 @@ static struct cpufreq_driver sc520_freq_
>  };
>
>  static const struct x86_cpu_id sc520_ids[] = {
> -       { X86_VENDOR_AMD, 4, 9 },
> +       X86_MATCH_VENDOR_FAM_MODEL(AMD, 4, 9, NULL),
>         {}
>  };
>  MODULE_DEVICE_TABLE(x86cpu, sc520_ids);
> --- a/drivers/cpufreq/speedstep-centrino.c
> +++ b/drivers/cpufreq/speedstep-centrino.c
> @@ -520,18 +520,12 @@ static struct cpufreq_driver centrino_dr
>   * or ASCII model IDs.
>   */
>  static const struct x86_cpu_id centrino_ids[] = {
> -       { X86_VENDOR_INTEL, 6, 9, X86_FEATURE_EST },
> -       { X86_VENDOR_INTEL, 6, 13, X86_FEATURE_EST },
> -       { X86_VENDOR_INTEL, 6, 13, X86_FEATURE_EST },
> -       { X86_VENDOR_INTEL, 6, 13, X86_FEATURE_EST },
> -       { X86_VENDOR_INTEL, 15, 3, X86_FEATURE_EST },
> -       { X86_VENDOR_INTEL, 15, 4, X86_FEATURE_EST },
> +       X86_MATCH_VENDOR_FAM_MODEL_FEATURE(INTEL,  6,  9, X86_FEATURE_EST, NULL),
> +       X86_MATCH_VENDOR_FAM_MODEL_FEATURE(INTEL,  6, 13, X86_FEATURE_EST, NULL),
> +       X86_MATCH_VENDOR_FAM_MODEL_FEATURE(INTEL, 15,  3, X86_FEATURE_EST, NULL),
> +       X86_MATCH_VENDOR_FAM_MODEL_FEATURE(INTEL, 15,  4, X86_FEATURE_EST, NULL),
>         {}
>  };
> -#if 0
> -/* Autoload or not? Do not for now. */
> -MODULE_DEVICE_TABLE(x86cpu, centrino_ids);
> -#endif
>
>  /**
>   * centrino_init - initializes the Enhanced SpeedStep CPUFreq driver
> --- a/drivers/cpufreq/speedstep-ich.c
> +++ b/drivers/cpufreq/speedstep-ich.c
> @@ -319,15 +319,11 @@ static struct cpufreq_driver speedstep_d
>  };
>
>  static const struct x86_cpu_id ss_smi_ids[] = {
> -       { X86_VENDOR_INTEL, 6, 0xb, },
> -       { X86_VENDOR_INTEL, 6, 0x8, },
> -       { X86_VENDOR_INTEL, 15, 2 },
> +       X86_MATCH_VENDOR_FAM_MODEL(INTEL,  6, 0x8, 0),
> +       X86_MATCH_VENDOR_FAM_MODEL(INTEL,  6, 0xb, 0),
> +       X86_MATCH_VENDOR_FAM_MODEL(INTEL, 15, 0x2, 0),
>         {}
>  };
> -#if 0
> -/* Autoload or not? Do not for now. */
> -MODULE_DEVICE_TABLE(x86cpu, ss_smi_ids);
> -#endif
>
>  /**
>   * speedstep_init - initializes the SpeedStep CPUFreq driver
> --- a/drivers/cpufreq/speedstep-smi.c
> +++ b/drivers/cpufreq/speedstep-smi.c
> @@ -299,15 +299,11 @@ static struct cpufreq_driver speedstep_d
>  };
>
>  static const struct x86_cpu_id ss_smi_ids[] = {
> -       { X86_VENDOR_INTEL, 6, 0xb, },
> -       { X86_VENDOR_INTEL, 6, 0x8, },
> -       { X86_VENDOR_INTEL, 15, 2 },
> +       X86_MATCH_VENDOR_FAM_MODEL(INTEL,  6, 0x8, 0),
> +       X86_MATCH_VENDOR_FAM_MODEL(INTEL,  6, 0xb, 0),
> +       X86_MATCH_VENDOR_FAM_MODEL(INTEL, 15, 0x2, 0),
>         {}
>  };
> -#if 0
> -/* Not auto loaded currently */
> -MODULE_DEVICE_TABLE(x86cpu, ss_smi_ids);
> -#endif
>
>  /**
>   * speedstep_init - initializes the SpeedStep CPUFreq driver



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