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authorRafael J. Wysocki <rafael.j.wysocki@intel.com>2025-09-04 20:36:55 +0200
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2025-09-04 20:36:55 +0200
commitc69d79c532f26807cb1f424f6cec475609dd2ded (patch)
tree39a46fbc223f1adbd8f9e3336e4d1b8a3d54ad63 /drivers/cpufreq
parentcpufreq: simplify setpolicy/target check in driver verification (diff)
parentcpufreq: mediatek: avoid redundant conditions (diff)
downloadlinux-c69d79c532f26807cb1f424f6cec475609dd2ded.tar.gz
linux-c69d79c532f26807cb1f424f6cec475609dd2ded.zip
Merge tag 'cpufreq-arm-updates-6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm
Merge CPUFreq updates for 6.18 from Viresh Kumar: "- Minor improvements to Rust Cpumask APIs (Alice Ryhl, Baptiste Lepers, and Shankari Anand). - Minor cleanups and optimizations to various cpufreq drivers (Akhilesh Patil, BowenYu, Dennis Beier, Liao Yuanhong, Zihuan Zhang, Florian Fainelli, Taniya Das, Md Sadre Alam, and Christian Marangi). - Enhancements for TI cpufreq driver (Judith Mendez, and Paresh Bhagat). - Enhancements for mediatek cpufreq driver (Nicolas Frattaroli). - Remove outdated cpufreq-dt.txt (Frank Li). - Update MAINTAINERS for virtual-cpufreq maintainer (Saravana Kannan)." * tag 'cpufreq-arm-updates-6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm: (28 commits) cpufreq: mediatek: avoid redundant conditions cpufreq/longhaul: handle NULL policy in longhaul_exit cpufreq: tegra186: Use scope-based cleanup helper cpufreq: mediatek: Use scope-based cleanup helper cpufreq: s5pv210: Use scope-based cleanup helper cpufreq: CPPC: Use scope-based cleanup helper cpufreq: brcmstb-avs: Use scope-based cleanup helper dt-bindings: Remove outdated cpufreq-dt.txt arm64: dts: ti: k3-am62p: Fix supported hardware for 1GHz OPP cpufreq: ti: Allow all silicon revisions to support OPPs cpufreq: ti: Support more speed grades on AM62Px SoC cpufreq: ti: Add support for AM62D2 cpufreq: dt-platdev: Blacklist ti,am62d2 SoC rust: opp: update ARef and AlwaysRefCounted imports from sync::aref cpufreq: mediatek-hw: don't use error path on NULL fdvfs cpufreq: scmi: Account for malformed DT in scmi_dev_used_by_cpus() rust: cpumask: Mark CpumaskVar as transparent rust: cpumask: rename CpumaskVar::as[_mut]_ref to from_raw[_mut] dt-bindings: cpufreq: cpufreq-qcom-hw: Add QCS615 compatible MAINTAINERS: Add myself as virtual-cpufreq maintainer ...
Diffstat (limited to 'drivers/cpufreq')
-rw-r--r--drivers/cpufreq/airoha-cpufreq.c1
-rw-r--r--drivers/cpufreq/armada-37xx-cpufreq.c4
-rw-r--r--drivers/cpufreq/brcmstb-avs-cpufreq.c4
-rw-r--r--drivers/cpufreq/cppc_cpufreq.c16
-rw-r--r--drivers/cpufreq/cpufreq-dt-platdev.c3
-rw-r--r--drivers/cpufreq/longhaul.c3
-rw-r--r--drivers/cpufreq/mediatek-cpufreq-hw.c134
-rw-r--r--drivers/cpufreq/mediatek-cpufreq.c11
-rw-r--r--drivers/cpufreq/qcom-cpufreq-nvmem.c5
-rw-r--r--drivers/cpufreq/s5pv210-cpufreq.c4
-rw-r--r--drivers/cpufreq/scmi-cpufreq.c10
-rw-r--r--drivers/cpufreq/tegra186-cpufreq.c4
-rw-r--r--drivers/cpufreq/ti-cpufreq.c12
13 files changed, 156 insertions, 55 deletions
diff --git a/drivers/cpufreq/airoha-cpufreq.c b/drivers/cpufreq/airoha-cpufreq.c
index 4fe39eadd163..b6b1cdc4d11d 100644
--- a/drivers/cpufreq/airoha-cpufreq.c
+++ b/drivers/cpufreq/airoha-cpufreq.c
@@ -107,6 +107,7 @@ static struct platform_driver airoha_cpufreq_driver = {
};
static const struct of_device_id airoha_cpufreq_match_list[] __initconst = {
+ { .compatible = "airoha,an7583" },
{ .compatible = "airoha,en7581" },
{},
};
diff --git a/drivers/cpufreq/armada-37xx-cpufreq.c b/drivers/cpufreq/armada-37xx-cpufreq.c
index f28a4435fba7..0efe403a5980 100644
--- a/drivers/cpufreq/armada-37xx-cpufreq.c
+++ b/drivers/cpufreq/armada-37xx-cpufreq.c
@@ -265,7 +265,7 @@ static void __init armada37xx_cpufreq_avs_configure(struct regmap *base,
*/
target_vm = avs_map[l0_vdd_min] - 100;
- target_vm = target_vm > MIN_VOLT_MV ? target_vm : MIN_VOLT_MV;
+ target_vm = max(target_vm, MIN_VOLT_MV);
dvfs->avs[1] = armada_37xx_avs_val_match(target_vm);
/*
@@ -273,7 +273,7 @@ static void __init armada37xx_cpufreq_avs_configure(struct regmap *base,
* be larger than 1000mv
*/
target_vm = avs_map[l0_vdd_min] - 150;
- target_vm = target_vm > MIN_VOLT_MV ? target_vm : MIN_VOLT_MV;
+ target_vm = max(target_vm, MIN_VOLT_MV);
dvfs->avs[2] = dvfs->avs[3] = armada_37xx_avs_val_match(target_vm);
/*
diff --git a/drivers/cpufreq/brcmstb-avs-cpufreq.c b/drivers/cpufreq/brcmstb-avs-cpufreq.c
index 5940d262374f..71450cca8e9f 100644
--- a/drivers/cpufreq/brcmstb-avs-cpufreq.c
+++ b/drivers/cpufreq/brcmstb-avs-cpufreq.c
@@ -480,7 +480,7 @@ static bool brcm_avs_is_firmware_loaded(struct private_data *priv)
static unsigned int brcm_avs_cpufreq_get(unsigned int cpu)
{
- struct cpufreq_policy *policy = cpufreq_cpu_get(cpu);
+ struct cpufreq_policy *policy __free(put_cpufreq_policy) = cpufreq_cpu_get(cpu);
struct private_data *priv;
if (!policy)
@@ -488,8 +488,6 @@ static unsigned int brcm_avs_cpufreq_get(unsigned int cpu)
priv = policy->driver_data;
- cpufreq_cpu_put(policy);
-
return brcm_avs_get_frequency(priv->base);
}
diff --git a/drivers/cpufreq/cppc_cpufreq.c b/drivers/cpufreq/cppc_cpufreq.c
index 4a17162a392d..12de0ac7bbaf 100644
--- a/drivers/cpufreq/cppc_cpufreq.c
+++ b/drivers/cpufreq/cppc_cpufreq.c
@@ -50,8 +50,7 @@ struct cppc_freq_invariance {
static DEFINE_PER_CPU(struct cppc_freq_invariance, cppc_freq_inv);
static struct kthread_worker *kworker_fie;
-static int cppc_perf_from_fbctrs(struct cppc_cpudata *cpu_data,
- struct cppc_perf_fb_ctrs *fb_ctrs_t0,
+static int cppc_perf_from_fbctrs(struct cppc_perf_fb_ctrs *fb_ctrs_t0,
struct cppc_perf_fb_ctrs *fb_ctrs_t1);
/**
@@ -87,8 +86,7 @@ static void cppc_scale_freq_workfn(struct kthread_work *work)
return;
}
- perf = cppc_perf_from_fbctrs(cpu_data, &cppc_fi->prev_perf_fb_ctrs,
- &fb_ctrs);
+ perf = cppc_perf_from_fbctrs(&cppc_fi->prev_perf_fb_ctrs, &fb_ctrs);
if (!perf)
return;
@@ -684,8 +682,7 @@ static inline u64 get_delta(u64 t1, u64 t0)
return (u32)t1 - (u32)t0;
}
-static int cppc_perf_from_fbctrs(struct cppc_cpudata *cpu_data,
- struct cppc_perf_fb_ctrs *fb_ctrs_t0,
+static int cppc_perf_from_fbctrs(struct cppc_perf_fb_ctrs *fb_ctrs_t0,
struct cppc_perf_fb_ctrs *fb_ctrs_t1)
{
u64 delta_reference, delta_delivered;
@@ -725,8 +722,8 @@ static int cppc_get_perf_ctrs_sample(int cpu,
static unsigned int cppc_cpufreq_get_rate(unsigned int cpu)
{
+ struct cpufreq_policy *policy __free(put_cpufreq_policy) = cpufreq_cpu_get(cpu);
struct cppc_perf_fb_ctrs fb_ctrs_t0 = {0}, fb_ctrs_t1 = {0};
- struct cpufreq_policy *policy = cpufreq_cpu_get(cpu);
struct cppc_cpudata *cpu_data;
u64 delivered_perf;
int ret;
@@ -736,8 +733,6 @@ static unsigned int cppc_cpufreq_get_rate(unsigned int cpu)
cpu_data = policy->driver_data;
- cpufreq_cpu_put(policy);
-
ret = cppc_get_perf_ctrs_sample(cpu, &fb_ctrs_t0, &fb_ctrs_t1);
if (ret) {
if (ret == -EFAULT)
@@ -747,8 +742,7 @@ static unsigned int cppc_cpufreq_get_rate(unsigned int cpu)
return 0;
}
- delivered_perf = cppc_perf_from_fbctrs(cpu_data, &fb_ctrs_t0,
- &fb_ctrs_t1);
+ delivered_perf = cppc_perf_from_fbctrs(&fb_ctrs_t0, &fb_ctrs_t1);
if (!delivered_perf)
goto out_invalid_counters;
diff --git a/drivers/cpufreq/cpufreq-dt-platdev.c b/drivers/cpufreq/cpufreq-dt-platdev.c
index 015dd393eaba..cd1816a12bb9 100644
--- a/drivers/cpufreq/cpufreq-dt-platdev.c
+++ b/drivers/cpufreq/cpufreq-dt-platdev.c
@@ -103,6 +103,7 @@ static const struct of_device_id allowlist[] __initconst = {
* platforms using "operating-points-v2" property.
*/
static const struct of_device_id blocklist[] __initconst = {
+ { .compatible = "airoha,an7583", },
{ .compatible = "airoha,en7581", },
{ .compatible = "allwinner,sun50i-a100" },
@@ -188,9 +189,11 @@ static const struct of_device_id blocklist[] __initconst = {
{ .compatible = "ti,omap3", },
{ .compatible = "ti,am625", },
{ .compatible = "ti,am62a7", },
+ { .compatible = "ti,am62d2", },
{ .compatible = "ti,am62p5", },
{ .compatible = "qcom,ipq5332", },
+ { .compatible = "qcom,ipq5424", },
{ .compatible = "qcom,ipq6018", },
{ .compatible = "qcom,ipq8064", },
{ .compatible = "qcom,ipq8074", },
diff --git a/drivers/cpufreq/longhaul.c b/drivers/cpufreq/longhaul.c
index ba0e08c8486a..49e76b44468a 100644
--- a/drivers/cpufreq/longhaul.c
+++ b/drivers/cpufreq/longhaul.c
@@ -953,6 +953,9 @@ static void __exit longhaul_exit(void)
struct cpufreq_policy *policy = cpufreq_cpu_get(0);
int i;
+ if (unlikely(!policy))
+ return;
+
for (i = 0; i < numscales; i++) {
if (mults[i] == maxmult) {
struct cpufreq_freqs freqs;
diff --git a/drivers/cpufreq/mediatek-cpufreq-hw.c b/drivers/cpufreq/mediatek-cpufreq-hw.c
index 74f1b4c796e4..fce5aa5ceea0 100644
--- a/drivers/cpufreq/mediatek-cpufreq-hw.c
+++ b/drivers/cpufreq/mediatek-cpufreq-hw.c
@@ -24,6 +24,8 @@
#define POLL_USEC 1000
#define TIMEOUT_USEC 300000
+#define FDVFS_FDIV_HZ (26 * 1000)
+
enum {
REG_FREQ_LUT_TABLE,
REG_FREQ_ENABLE,
@@ -35,7 +37,14 @@ enum {
REG_ARRAY_SIZE,
};
-struct mtk_cpufreq_data {
+struct mtk_cpufreq_priv {
+ struct device *dev;
+ const struct mtk_cpufreq_variant *variant;
+ void __iomem *fdvfs;
+};
+
+struct mtk_cpufreq_domain {
+ struct mtk_cpufreq_priv *parent;
struct cpufreq_frequency_table *table;
void __iomem *reg_bases[REG_ARRAY_SIZE];
struct resource *res;
@@ -43,20 +52,51 @@ struct mtk_cpufreq_data {
int nr_opp;
};
-static const u16 cpufreq_mtk_offsets[REG_ARRAY_SIZE] = {
- [REG_FREQ_LUT_TABLE] = 0x0,
- [REG_FREQ_ENABLE] = 0x84,
- [REG_FREQ_PERF_STATE] = 0x88,
- [REG_FREQ_HW_STATE] = 0x8c,
- [REG_EM_POWER_TBL] = 0x90,
- [REG_FREQ_LATENCY] = 0x110,
+struct mtk_cpufreq_variant {
+ int (*init)(struct mtk_cpufreq_priv *priv);
+ const u16 reg_offsets[REG_ARRAY_SIZE];
+ const bool is_hybrid_dvfs;
+};
+
+static const struct mtk_cpufreq_variant cpufreq_mtk_base_variant = {
+ .reg_offsets = {
+ [REG_FREQ_LUT_TABLE] = 0x0,
+ [REG_FREQ_ENABLE] = 0x84,
+ [REG_FREQ_PERF_STATE] = 0x88,
+ [REG_FREQ_HW_STATE] = 0x8c,
+ [REG_EM_POWER_TBL] = 0x90,
+ [REG_FREQ_LATENCY] = 0x110,
+ },
+};
+
+static int mtk_cpufreq_hw_mt8196_init(struct mtk_cpufreq_priv *priv)
+{
+ priv->fdvfs = devm_of_iomap(priv->dev, priv->dev->of_node, 0, NULL);
+ if (IS_ERR(priv->fdvfs))
+ return dev_err_probe(priv->dev, PTR_ERR(priv->fdvfs),
+ "failed to get fdvfs iomem\n");
+
+ return 0;
+}
+
+static const struct mtk_cpufreq_variant cpufreq_mtk_mt8196_variant = {
+ .init = mtk_cpufreq_hw_mt8196_init,
+ .reg_offsets = {
+ [REG_FREQ_LUT_TABLE] = 0x0,
+ [REG_FREQ_ENABLE] = 0x84,
+ [REG_FREQ_PERF_STATE] = 0x88,
+ [REG_FREQ_HW_STATE] = 0x8c,
+ [REG_EM_POWER_TBL] = 0x90,
+ [REG_FREQ_LATENCY] = 0x114,
+ },
+ .is_hybrid_dvfs = true,
};
static int __maybe_unused
mtk_cpufreq_get_cpu_power(struct device *cpu_dev, unsigned long *uW,
unsigned long *KHz)
{
- struct mtk_cpufreq_data *data;
+ struct mtk_cpufreq_domain *data;
struct cpufreq_policy *policy;
int i;
@@ -80,19 +120,38 @@ mtk_cpufreq_get_cpu_power(struct device *cpu_dev, unsigned long *uW,
return 0;
}
+static void mtk_cpufreq_hw_fdvfs_switch(unsigned int target_freq,
+ struct cpufreq_policy *policy)
+{
+ struct mtk_cpufreq_domain *data = policy->driver_data;
+ struct mtk_cpufreq_priv *priv = data->parent;
+ unsigned int cpu;
+
+ target_freq = DIV_ROUND_UP(target_freq, FDVFS_FDIV_HZ);
+ for_each_cpu(cpu, policy->real_cpus) {
+ writel_relaxed(target_freq, priv->fdvfs + cpu * 4);
+ }
+}
+
static int mtk_cpufreq_hw_target_index(struct cpufreq_policy *policy,
unsigned int index)
{
- struct mtk_cpufreq_data *data = policy->driver_data;
-
- writel_relaxed(index, data->reg_bases[REG_FREQ_PERF_STATE]);
+ struct mtk_cpufreq_domain *data = policy->driver_data;
+ unsigned int target_freq;
+
+ if (data->parent->fdvfs) {
+ target_freq = policy->freq_table[index].frequency;
+ mtk_cpufreq_hw_fdvfs_switch(target_freq, policy);
+ } else {
+ writel_relaxed(index, data->reg_bases[REG_FREQ_PERF_STATE]);
+ }
return 0;
}
static unsigned int mtk_cpufreq_hw_get(unsigned int cpu)
{
- struct mtk_cpufreq_data *data;
+ struct mtk_cpufreq_domain *data;
struct cpufreq_policy *policy;
unsigned int index;
@@ -111,18 +170,21 @@ static unsigned int mtk_cpufreq_hw_get(unsigned int cpu)
static unsigned int mtk_cpufreq_hw_fast_switch(struct cpufreq_policy *policy,
unsigned int target_freq)
{
- struct mtk_cpufreq_data *data = policy->driver_data;
+ struct mtk_cpufreq_domain *data = policy->driver_data;
unsigned int index;
index = cpufreq_table_find_index_dl(policy, target_freq, false);
- writel_relaxed(index, data->reg_bases[REG_FREQ_PERF_STATE]);
+ if (data->parent->fdvfs)
+ mtk_cpufreq_hw_fdvfs_switch(target_freq, policy);
+ else
+ writel_relaxed(index, data->reg_bases[REG_FREQ_PERF_STATE]);
return policy->freq_table[index].frequency;
}
static int mtk_cpu_create_freq_table(struct platform_device *pdev,
- struct mtk_cpufreq_data *data)
+ struct mtk_cpufreq_domain *data)
{
struct device *dev = &pdev->dev;
u32 temp, i, freq, prev_freq = 0;
@@ -157,9 +219,9 @@ static int mtk_cpu_create_freq_table(struct platform_device *pdev,
static int mtk_cpu_resources_init(struct platform_device *pdev,
struct cpufreq_policy *policy,
- const u16 *offsets)
+ struct mtk_cpufreq_priv *priv)
{
- struct mtk_cpufreq_data *data;
+ struct mtk_cpufreq_domain *data;
struct device *dev = &pdev->dev;
struct resource *res;
struct of_phandle_args args;
@@ -180,6 +242,15 @@ static int mtk_cpu_resources_init(struct platform_device *pdev,
index = args.args[0];
of_node_put(args.np);
+ /*
+ * In a cpufreq with hybrid DVFS, such as the MT8196, the first declared
+ * register range is for FDVFS, followed by the frequency domain MMIOs.
+ */
+ if (priv->variant->is_hybrid_dvfs)
+ index++;
+
+ data->parent = priv;
+
res = platform_get_resource(pdev, IORESOURCE_MEM, index);
if (!res) {
dev_err(dev, "failed to get mem resource %d\n", index);
@@ -202,7 +273,7 @@ static int mtk_cpu_resources_init(struct platform_device *pdev,
data->res = res;
for (i = REG_FREQ_LUT_TABLE; i < REG_ARRAY_SIZE; i++)
- data->reg_bases[i] = base + offsets[i];
+ data->reg_bases[i] = base + priv->variant->reg_offsets[i];
ret = mtk_cpu_create_freq_table(pdev, data);
if (ret) {
@@ -223,7 +294,7 @@ static int mtk_cpufreq_hw_cpu_init(struct cpufreq_policy *policy)
{
struct platform_device *pdev = cpufreq_get_driver_data();
int sig, pwr_hw = CPUFREQ_HW_STATUS | SVS_HW_STATUS;
- struct mtk_cpufreq_data *data;
+ struct mtk_cpufreq_domain *data;
unsigned int latency;
int ret;
@@ -262,7 +333,7 @@ static int mtk_cpufreq_hw_cpu_init(struct cpufreq_policy *policy)
static void mtk_cpufreq_hw_cpu_exit(struct cpufreq_policy *policy)
{
- struct mtk_cpufreq_data *data = policy->driver_data;
+ struct mtk_cpufreq_domain *data = policy->driver_data;
struct resource *res = data->res;
void __iomem *base = data->base;
@@ -275,7 +346,7 @@ static void mtk_cpufreq_hw_cpu_exit(struct cpufreq_policy *policy)
static void mtk_cpufreq_register_em(struct cpufreq_policy *policy)
{
struct em_data_callback em_cb = EM_DATA_CB(mtk_cpufreq_get_cpu_power);
- struct mtk_cpufreq_data *data = policy->driver_data;
+ struct mtk_cpufreq_domain *data = policy->driver_data;
em_dev_register_perf_domain(get_cpu_device(policy->cpu), data->nr_opp,
&em_cb, policy->cpus, true);
@@ -297,6 +368,7 @@ static struct cpufreq_driver cpufreq_mtk_hw_driver = {
static int mtk_cpufreq_hw_driver_probe(struct platform_device *pdev)
{
+ struct mtk_cpufreq_priv *priv;
const void *data;
int ret, cpu;
struct device *cpu_dev;
@@ -320,7 +392,20 @@ static int mtk_cpufreq_hw_driver_probe(struct platform_device *pdev)
if (!data)
return -EINVAL;
- platform_set_drvdata(pdev, (void *) data);
+ priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
+ if (!priv)
+ return -ENOMEM;
+
+ priv->variant = data;
+ priv->dev = &pdev->dev;
+
+ if (priv->variant->init) {
+ ret = priv->variant->init(priv);
+ if (ret)
+ return ret;
+ }
+
+ platform_set_drvdata(pdev, priv);
cpufreq_mtk_hw_driver.driver_data = pdev;
ret = cpufreq_register_driver(&cpufreq_mtk_hw_driver);
@@ -336,7 +421,8 @@ static void mtk_cpufreq_hw_driver_remove(struct platform_device *pdev)
}
static const struct of_device_id mtk_cpufreq_hw_match[] = {
- { .compatible = "mediatek,cpufreq-hw", .data = &cpufreq_mtk_offsets },
+ { .compatible = "mediatek,cpufreq-hw", .data = &cpufreq_mtk_base_variant },
+ { .compatible = "mediatek,mt8196-cpufreq-hw", .data = &cpufreq_mtk_mt8196_variant },
{}
};
MODULE_DEVICE_TABLE(of, mtk_cpufreq_hw_match);
diff --git a/drivers/cpufreq/mediatek-cpufreq.c b/drivers/cpufreq/mediatek-cpufreq.c
index f3f02c4b6888..00de1166188a 100644
--- a/drivers/cpufreq/mediatek-cpufreq.c
+++ b/drivers/cpufreq/mediatek-cpufreq.c
@@ -123,7 +123,7 @@ static int mtk_cpufreq_voltage_tracking(struct mtk_cpu_dvfs_info *info,
soc_data->sram_max_volt);
return ret;
}
- } else if (pre_vproc > new_vproc) {
+ } else {
vproc = max(new_vproc,
pre_vsram - soc_data->max_volt_shift);
ret = regulator_set_voltage(proc_reg, vproc,
@@ -320,7 +320,6 @@ static int mtk_cpufreq_opp_notifier(struct notifier_block *nb,
struct dev_pm_opp *new_opp;
struct mtk_cpu_dvfs_info *info;
unsigned long freq, volt;
- struct cpufreq_policy *policy;
int ret = 0;
info = container_of(nb, struct mtk_cpu_dvfs_info, opp_nb);
@@ -353,12 +352,12 @@ static int mtk_cpufreq_opp_notifier(struct notifier_block *nb,
}
dev_pm_opp_put(new_opp);
- policy = cpufreq_cpu_get(info->opp_cpu);
- if (policy) {
+
+ struct cpufreq_policy *policy __free(put_cpufreq_policy)
+ = cpufreq_cpu_get(info->opp_cpu);
+ if (policy)
cpufreq_driver_target(policy, freq / 1000,
CPUFREQ_RELATION_L);
- cpufreq_cpu_put(policy);
- }
}
}
diff --git a/drivers/cpufreq/qcom-cpufreq-nvmem.c b/drivers/cpufreq/qcom-cpufreq-nvmem.c
index 54f8117103c8..765a5bb81829 100644
--- a/drivers/cpufreq/qcom-cpufreq-nvmem.c
+++ b/drivers/cpufreq/qcom-cpufreq-nvmem.c
@@ -200,6 +200,10 @@ static int qcom_cpufreq_kryo_name_version(struct device *cpu_dev,
case QCOM_ID_IPQ9574:
drv->versions = 1 << (unsigned int)(*speedbin);
break;
+ case QCOM_ID_IPQ5424:
+ case QCOM_ID_IPQ5404:
+ drv->versions = (*speedbin == 0x3b) ? BIT(1) : BIT(0);
+ break;
case QCOM_ID_MSM8996SG:
case QCOM_ID_APQ8096SG:
drv->versions = 1 << ((unsigned int)(*speedbin) + 4);
@@ -591,6 +595,7 @@ static const struct of_device_id qcom_cpufreq_match_list[] __initconst __maybe_u
{ .compatible = "qcom,msm8996", .data = &match_data_kryo },
{ .compatible = "qcom,qcs404", .data = &match_data_qcs404 },
{ .compatible = "qcom,ipq5332", .data = &match_data_kryo },
+ { .compatible = "qcom,ipq5424", .data = &match_data_kryo },
{ .compatible = "qcom,ipq6018", .data = &match_data_ipq6018 },
{ .compatible = "qcom,ipq8064", .data = &match_data_ipq8064 },
{ .compatible = "qcom,ipq8074", .data = &match_data_ipq8074 },
diff --git a/drivers/cpufreq/s5pv210-cpufreq.c b/drivers/cpufreq/s5pv210-cpufreq.c
index 76c888ed8d16..4215621deb3f 100644
--- a/drivers/cpufreq/s5pv210-cpufreq.c
+++ b/drivers/cpufreq/s5pv210-cpufreq.c
@@ -554,17 +554,15 @@ out_dmc0:
static int s5pv210_cpufreq_reboot_notifier_event(struct notifier_block *this,
unsigned long event, void *ptr)
{
+ struct cpufreq_policy *policy __free(put_cpufreq_policy) = cpufreq_cpu_get(0);
int ret;
- struct cpufreq_policy *policy;
- policy = cpufreq_cpu_get(0);
if (!policy) {
pr_debug("cpufreq: get no policy for cpu0\n");
return NOTIFY_BAD;
}
ret = cpufreq_driver_target(policy, SLEEP_FREQ, 0);
- cpufreq_cpu_put(policy);
if (ret < 0)
return NOTIFY_BAD;
diff --git a/drivers/cpufreq/scmi-cpufreq.c b/drivers/cpufreq/scmi-cpufreq.c
index ef078426bfd5..38c165d526d1 100644
--- a/drivers/cpufreq/scmi-cpufreq.c
+++ b/drivers/cpufreq/scmi-cpufreq.c
@@ -15,6 +15,7 @@
#include <linux/energy_model.h>
#include <linux/export.h>
#include <linux/module.h>
+#include <linux/of.h>
#include <linux/pm_opp.h>
#include <linux/pm_qos.h>
#include <linux/slab.h>
@@ -424,6 +425,15 @@ static bool scmi_dev_used_by_cpus(struct device *scmi_dev)
return true;
}
+ /*
+ * Older Broadcom STB chips had a "clocks" property for CPU node(s)
+ * that did not match the SCMI performance protocol node, if we got
+ * there, it means we had such an older Device Tree, therefore return
+ * true to preserve backwards compatibility.
+ */
+ if (of_machine_is_compatible("brcm,brcmstb"))
+ return true;
+
return false;
}
diff --git a/drivers/cpufreq/tegra186-cpufreq.c b/drivers/cpufreq/tegra186-cpufreq.c
index cbabb726c664..4270686fc3e3 100644
--- a/drivers/cpufreq/tegra186-cpufreq.c
+++ b/drivers/cpufreq/tegra186-cpufreq.c
@@ -103,13 +103,12 @@ static int tegra186_cpufreq_set_target(struct cpufreq_policy *policy,
static unsigned int tegra186_cpufreq_get(unsigned int cpu)
{
+ struct cpufreq_policy *policy __free(put_cpufreq_policy) = cpufreq_cpu_get(cpu);
struct tegra186_cpufreq_data *data = cpufreq_get_driver_data();
struct tegra186_cpufreq_cluster *cluster;
- struct cpufreq_policy *policy;
unsigned int edvd_offset, cluster_id;
u32 ndiv;
- policy = cpufreq_cpu_get(cpu);
if (!policy)
return 0;
@@ -117,7 +116,6 @@ static unsigned int tegra186_cpufreq_get(unsigned int cpu)
ndiv = readl(data->regs + edvd_offset) & EDVD_CORE_VOLT_FREQ_F_MASK;
cluster_id = data->cpus[policy->cpu].bpmp_cluster_id;
cluster = &data->clusters[cluster_id];
- cpufreq_cpu_put(policy);
return (cluster->ref_clk_khz * ndiv) / cluster->div;
}
diff --git a/drivers/cpufreq/ti-cpufreq.c b/drivers/cpufreq/ti-cpufreq.c
index 5a5147277cd0..6ee76f5fe9c5 100644
--- a/drivers/cpufreq/ti-cpufreq.c
+++ b/drivers/cpufreq/ti-cpufreq.c
@@ -72,7 +72,9 @@ enum {
#define AM62P5_EFUSE_O_MPU_OPP 15
#define AM62P5_EFUSE_S_MPU_OPP 19
+#define AM62P5_EFUSE_T_MPU_OPP 20
#define AM62P5_EFUSE_U_MPU_OPP 21
+#define AM62P5_EFUSE_V_MPU_OPP 22
#define AM62P5_SUPPORT_O_MPU_OPP BIT(0)
#define AM62P5_SUPPORT_U_MPU_OPP BIT(2)
@@ -153,7 +155,9 @@ static unsigned long am62p5_efuse_xlate(struct ti_cpufreq_data *opp_data,
unsigned long calculated_efuse = AM62P5_SUPPORT_O_MPU_OPP;
switch (efuse) {
+ case AM62P5_EFUSE_V_MPU_OPP:
case AM62P5_EFUSE_U_MPU_OPP:
+ case AM62P5_EFUSE_T_MPU_OPP:
case AM62P5_EFUSE_S_MPU_OPP:
calculated_efuse |= AM62P5_SUPPORT_U_MPU_OPP;
fallthrough;
@@ -307,9 +311,10 @@ static struct ti_cpufreq_soc_data am3517_soc_data = {
};
static const struct soc_device_attribute k3_cpufreq_soc[] = {
- { .family = "AM62X", .revision = "SR1.0" },
- { .family = "AM62AX", .revision = "SR1.0" },
- { .family = "AM62PX", .revision = "SR1.0" },
+ { .family = "AM62X", },
+ { .family = "AM62AX", },
+ { .family = "AM62PX", },
+ { .family = "AM62DX", },
{ /* sentinel */ }
};
@@ -457,6 +462,7 @@ static const struct of_device_id ti_cpufreq_of_match[] __maybe_unused = {
{ .compatible = "ti,omap36xx", .data = &omap36xx_soc_data, },
{ .compatible = "ti,am625", .data = &am625_soc_data, },
{ .compatible = "ti,am62a7", .data = &am62a7_soc_data, },
+ { .compatible = "ti,am62d2", .data = &am62a7_soc_data, },
{ .compatible = "ti,am62p5", .data = &am62p5_soc_data, },
/* legacy */
{ .compatible = "ti,omap3430", .data = &omap34xx_soc_data, },