Messages in this thread Patch in this message | | | From | Zhang Rui <> | Subject | [PATCH 11/15] powercap/intel_rapl: Remove redundant cpu parameter | Date | Thu, 16 Mar 2023 23:38:37 +0800 |
| |
For rapl_packages that rely on online CPUs to work, rp->lead_cpu always has a valid CPU id.
Remove the redundant cpu parameter in rapl_check_domain(), rapl_detect_domains() and .check_unit() callbacks.
No functional change.
Signed-off-by: Zhang Rui <rui.zhang@intel.com> --- drivers/powercap/intel_rapl_common.c | 26 +++++++++++++------------- 1 file changed, 13 insertions(+), 13 deletions(-)
diff --git a/drivers/powercap/intel_rapl_common.c b/drivers/powercap/intel_rapl_common.c index 636e05aa711b..27ebc2c51803 100644 --- a/drivers/powercap/intel_rapl_common.c +++ b/drivers/powercap/intel_rapl_common.c @@ -169,7 +169,7 @@ static int get_pl_prim(struct rapl_domain *rd, int pl, enum pl_prims prim) struct rapl_defaults { u8 floor_freq_reg_addr; - int (*check_unit)(struct rapl_domain *rd, int cpu); + int (*check_unit)(struct rapl_domain *rd); void (*set_floor_freq)(struct rapl_domain *rd, bool mode); u64 (*compute_time_window)(struct rapl_domain *rd, u64 val, bool to_raw); @@ -819,16 +819,16 @@ static int rapl_write_pl_data(struct rapl_domain *rd, int pl, * power unit : microWatts : Represented in milliWatts by default * time unit : microseconds: Represented in seconds by default */ -static int rapl_check_unit_core(struct rapl_domain *rd, int cpu) +static int rapl_check_unit_core(struct rapl_domain *rd) { struct reg_action ra; u32 value; ra.reg = rd->regs[RAPL_DOMAIN_REG_UNIT]; ra.mask = ~0; - if (rd->rp->priv->read_raw(cpu, &ra)) { + if (rd->rp->priv->read_raw(rd->rp->lead_cpu, &ra)) { pr_err("Failed to read power unit REG 0x%llx on CPU %d, exit.\n", - ra.reg, cpu); + ra.reg, rd->rp->lead_cpu); return -ENODEV; } @@ -847,16 +847,16 @@ static int rapl_check_unit_core(struct rapl_domain *rd, int cpu) return 0; } -static int rapl_check_unit_atom(struct rapl_domain *rd, int cpu) +static int rapl_check_unit_atom(struct rapl_domain *rd) { struct reg_action ra; u32 value; ra.reg = rd->regs[RAPL_DOMAIN_REG_UNIT]; ra.mask = ~0; - if (rd->rp->priv->read_raw(cpu, &ra)) { + if (rd->rp->priv->read_raw(rd->rp->lead_cpu, &ra)) { pr_err("Failed to read power unit REG 0x%llx on CPU %d, exit.\n", - ra.reg, cpu); + ra.reg, rd->rp->lead_cpu); return -ENODEV; } @@ -1233,7 +1233,7 @@ static int rapl_package_register_powercap(struct rapl_package *rp) return ret; } -static int rapl_check_domain(int cpu, int domain, struct rapl_package *rp) +static int rapl_check_domain(int domain, struct rapl_package *rp) { struct reg_action ra; @@ -1254,7 +1254,7 @@ static int rapl_check_domain(int cpu, int domain, struct rapl_package *rp) */ ra.mask = ENERGY_STATUS_MASK; - if (rp->priv->read_raw(cpu, &ra) || !ra.value) + if (rp->priv->read_raw(rp->lead_cpu, &ra) || !ra.value) return -ENODEV; return 0; @@ -1283,7 +1283,7 @@ static int rapl_get_domain_unit(struct rapl_domain *rd) return -ENODEV; } - ret = rpd->check_unit(rd, rd->rp->lead_cpu); + ret = rpd->check_unit(rd); if (ret) return ret; @@ -1324,14 +1324,14 @@ static void rapl_detect_powerlimit(struct rapl_domain *rd) /* Detect active and valid domains for the given CPU, caller must * ensure the CPU belongs to the targeted package and CPU hotlug is disabled. */ -static int rapl_detect_domains(struct rapl_package *rp, int cpu) +static int rapl_detect_domains(struct rapl_package *rp) { struct rapl_domain *rd; int i; for (i = 0; i < RAPL_DOMAIN_MAX; i++) { /* use physical package id to read counters */ - if (!rapl_check_domain(cpu, i, rp)) { + if (!rapl_check_domain(i, rp)) { rp->domain_map |= 1 << i; pr_info("Found RAPL domain %s\n", rapl_domain_names[i]); } @@ -1435,7 +1435,7 @@ struct rapl_package *rapl_add_package(int cpu, struct rapl_if_priv *priv) topology_physical_package_id(cpu)); /* check if the package contains valid domains */ - if (rapl_detect_domains(rp, cpu)) { + if (rapl_detect_domains(rp)) { ret = -ENODEV; goto err_free_package; } -- 2.25.1
| |