diff options
Diffstat (limited to 'drivers/cpufreq')
-rw-r--r-- | drivers/cpufreq/Kconfig.arm | 2 | ||||
-rw-r--r-- | drivers/cpufreq/acpi-cpufreq.c | 3 | ||||
-rw-r--r-- | drivers/cpufreq/cpufreq.c | 15 | ||||
-rw-r--r-- | drivers/cpufreq/intel_pstate.c | 22 | ||||
-rw-r--r-- | drivers/cpufreq/s3c2410-cpufreq.c | 10 | ||||
-rw-r--r-- | drivers/cpufreq/s3c2412-cpufreq.c | 44 | ||||
-rw-r--r-- | drivers/cpufreq/s3c2440-cpufreq.c | 29 | ||||
-rw-r--r-- | drivers/cpufreq/s3c24xx-cpufreq-debugfs.c | 2 | ||||
-rw-r--r-- | drivers/cpufreq/s3c24xx-cpufreq.c | 14 | ||||
-rw-r--r-- | drivers/cpufreq/scmi-cpufreq.c | 6 |
10 files changed, 81 insertions, 66 deletions
diff --git a/drivers/cpufreq/Kconfig.arm b/drivers/cpufreq/Kconfig.arm index bf5830eb664f..015ec0c02835 100644 --- a/drivers/cpufreq/Kconfig.arm +++ b/drivers/cpufreq/Kconfig.arm @@ -196,7 +196,6 @@ config ARM_S3C24XX_CPUFREQ_DEBUGFS config ARM_S3C2410_CPUFREQ bool depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2410 - select S3C2410_CPUFREQ_UTILS help CPU Frequency scaling support for S3C2410 @@ -233,7 +232,6 @@ config ARM_S3C2416_CPUFREQ_VCORESCALE config ARM_S3C2440_CPUFREQ bool "S3C2440/S3C2442 CPU Frequency scaling support" depends on ARM_S3C24XX_CPUFREQ && (CPU_S3C2440 || CPU_S3C2442) - select S3C2410_CPUFREQ_UTILS default y help CPU Frequency scaling support for S3C2440 and S3C2442 SoC CPUs. diff --git a/drivers/cpufreq/acpi-cpufreq.c b/drivers/cpufreq/acpi-cpufreq.c index e4ff681faaaa..1e4fbb002a31 100644 --- a/drivers/cpufreq/acpi-cpufreq.c +++ b/drivers/cpufreq/acpi-cpufreq.c @@ -691,7 +691,8 @@ static int acpi_cpufreq_cpu_init(struct cpufreq_policy *policy) cpumask_copy(policy->cpus, topology_core_cpumask(cpu)); } - if (check_amd_hwpstate_cpu(cpu) && !acpi_pstate_strict) { + if (check_amd_hwpstate_cpu(cpu) && boot_cpu_data.x86 < 0x19 && + !acpi_pstate_strict) { cpumask_clear(policy->cpus); cpumask_set_cpu(cpu, policy->cpus); cpumask_copy(data->freqdomain_cpus, diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index 1877f5e2e5b0..f4b60663efe6 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -1454,14 +1454,13 @@ static int cpufreq_online(unsigned int cpu) */ if ((cpufreq_driver->flags & CPUFREQ_NEED_INITIAL_FREQ_CHECK) && has_target()) { + unsigned int old_freq = policy->cur; + /* Are we running at unknown frequency ? */ - ret = cpufreq_frequency_table_get_index(policy, policy->cur); + ret = cpufreq_frequency_table_get_index(policy, old_freq); if (ret == -EINVAL) { - /* Warn user and fix it */ - pr_warn("%s: CPU%d: Running at unlisted freq: %u KHz\n", - __func__, policy->cpu, policy->cur); - ret = __cpufreq_driver_target(policy, policy->cur - 1, - CPUFREQ_RELATION_L); + ret = __cpufreq_driver_target(policy, old_freq - 1, + CPUFREQ_RELATION_L); /* * Reaching here after boot in a few seconds may not @@ -1469,8 +1468,8 @@ static int cpufreq_online(unsigned int cpu) * frequency for longer duration. Hence, a BUG_ON(). */ BUG_ON(ret); - pr_warn("%s: CPU%d: Unlisted initial frequency changed to: %u KHz\n", - __func__, policy->cpu, policy->cur); + pr_info("%s: CPU%d: Running at unlisted initial frequency: %u KHz, changing to: %u KHz\n", + __func__, policy->cpu, old_freq, policy->cur); } } diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c index 9a515c460a00..3c1455518738 100644 --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c @@ -1420,6 +1420,24 @@ static void __init intel_pstate_sysfs_expose_params(void) } } +static void __init intel_pstate_sysfs_remove(void) +{ + if (!intel_pstate_kobject) + return; + + sysfs_remove_group(intel_pstate_kobject, &intel_pstate_attr_group); + + if (!per_cpu_limits) { + sysfs_remove_file(intel_pstate_kobject, &max_perf_pct.attr); + sysfs_remove_file(intel_pstate_kobject, &min_perf_pct.attr); + + if (x86_match_cpu(intel_pstate_cpu_ee_disable_ids)) + sysfs_remove_file(intel_pstate_kobject, &energy_efficiency.attr); + } + + kobject_put(intel_pstate_kobject); +} + static void intel_pstate_sysfs_expose_hwp_dynamic_boost(void) { int rc; @@ -3063,8 +3081,10 @@ hwp_cpu_matched: mutex_lock(&intel_pstate_driver_lock); rc = intel_pstate_register_driver(default_driver); mutex_unlock(&intel_pstate_driver_lock); - if (rc) + if (rc) { + intel_pstate_sysfs_remove(); return rc; + } if (hwp_active) { const struct x86_cpu_id *id; diff --git a/drivers/cpufreq/s3c2410-cpufreq.c b/drivers/cpufreq/s3c2410-cpufreq.c index 0c4f2ccd7e22..5dcfbf0bfb74 100644 --- a/drivers/cpufreq/s3c2410-cpufreq.c +++ b/drivers/cpufreq/s3c2410-cpufreq.c @@ -16,14 +16,14 @@ #include <linux/clk.h> #include <linux/err.h> #include <linux/io.h> +#include <linux/soc/samsung/s3c-cpufreq-core.h> +#include <linux/soc/samsung/s3c-pm.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> -#include <mach/regs-clock.h> - -#include <plat/cpu.h> -#include <plat/cpu-freq-core.h> +#define S3C2410_CLKDIVN_PDIVN (1<<0) +#define S3C2410_CLKDIVN_HDIVN (1<<1) /* Note, 2410A has an extra mode for 1:4:4 ratio, bit 2 of CLKDIV */ @@ -37,7 +37,7 @@ static void s3c2410_cpufreq_setdivs(struct s3c_cpufreq_config *cfg) if (cfg->divs.p_divisor != cfg->divs.h_divisor) clkdiv |= S3C2410_CLKDIVN_PDIVN; - __raw_writel(clkdiv, S3C2410_CLKDIVN); + s3c24xx_write_clkdivn(clkdiv); } static int s3c2410_cpufreq_calcdivs(struct s3c_cpufreq_config *cfg) diff --git a/drivers/cpufreq/s3c2412-cpufreq.c b/drivers/cpufreq/s3c2412-cpufreq.c index 53385a9ab957..5945945ead7c 100644 --- a/drivers/cpufreq/s3c2412-cpufreq.c +++ b/drivers/cpufreq/s3c2412-cpufreq.c @@ -19,15 +19,24 @@ #include <linux/clk.h> #include <linux/err.h> #include <linux/io.h> +#include <linux/soc/samsung/s3c-cpufreq-core.h> +#include <linux/soc/samsung/s3c-pm.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> -#include <mach/regs-clock.h> -#include <mach/s3c2412.h> - -#include <plat/cpu.h> -#include <plat/cpu-freq-core.h> +#define S3C2412_CLKDIVN_PDIVN (1<<2) +#define S3C2412_CLKDIVN_HDIVN_MASK (3<<0) +#define S3C2412_CLKDIVN_ARMDIVN (1<<3) +#define S3C2412_CLKDIVN_DVSEN (1<<4) +#define S3C2412_CLKDIVN_HALFHCLK (1<<5) +#define S3C2412_CLKDIVN_USB48DIV (1<<6) +#define S3C2412_CLKDIVN_UARTDIV_MASK (15<<8) +#define S3C2412_CLKDIVN_UARTDIV_SHIFT (8) +#define S3C2412_CLKDIVN_I2SDIV_MASK (15<<12) +#define S3C2412_CLKDIVN_I2SDIV_SHIFT (12) +#define S3C2412_CLKDIVN_CAMDIV_MASK (15<<16) +#define S3C2412_CLKDIVN_CAMDIV_SHIFT (16) /* our clock resources. */ static struct clk *xtal; @@ -117,7 +126,7 @@ static void s3c2412_cpufreq_setdivs(struct s3c_cpufreq_config *cfg) unsigned long clkdiv; unsigned long olddiv; - olddiv = clkdiv = __raw_readl(S3C2410_CLKDIVN); + olddiv = clkdiv = s3c24xx_read_clkdivn(); /* clear off current clock info */ @@ -134,32 +143,11 @@ static void s3c2412_cpufreq_setdivs(struct s3c_cpufreq_config *cfg) clkdiv |= S3C2412_CLKDIVN_PDIVN; s3c_freq_dbg("%s: div %08lx => %08lx\n", __func__, olddiv, clkdiv); - __raw_writel(clkdiv, S3C2410_CLKDIVN); + s3c24xx_write_clkdivn(clkdiv); clk_set_parent(armclk, cfg->divs.dvs ? hclk : fclk); } -static void s3c2412_cpufreq_setrefresh(struct s3c_cpufreq_config *cfg) -{ - struct s3c_cpufreq_board *board = cfg->board; - unsigned long refresh; - - s3c_freq_dbg("%s: refresh %u ns, hclk %lu\n", __func__, - board->refresh, cfg->freq.hclk); - - /* Reduce both the refresh time (in ns) and the frequency (in MHz) - * by 10 each to ensure that we do not overflow 32 bit numbers. This - * should work for HCLK up to 133MHz and refresh period up to 30usec. - */ - - refresh = (board->refresh / 10); - refresh *= (cfg->freq.hclk / 100); - refresh /= (1 * 1000 * 1000); /* 10^6 */ - - s3c_freq_dbg("%s: setting refresh 0x%08lx\n", __func__, refresh); - __raw_writel(refresh, S3C2412_REFRESH); -} - /* set the default cpu frequency information, based on an 200MHz part * as we have no other way of detecting the speed rating in software. */ diff --git a/drivers/cpufreq/s3c2440-cpufreq.c b/drivers/cpufreq/s3c2440-cpufreq.c index 3f772ba8896e..148e8aedefa9 100644 --- a/drivers/cpufreq/s3c2440-cpufreq.c +++ b/drivers/cpufreq/s3c2440-cpufreq.c @@ -20,14 +20,27 @@ #include <linux/clk.h> #include <linux/err.h> #include <linux/io.h> +#include <linux/soc/samsung/s3c-cpufreq-core.h> +#include <linux/soc/samsung/s3c-pm.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> -#include <mach/regs-clock.h> +#define S3C2440_CLKDIVN_PDIVN (1<<0) +#define S3C2440_CLKDIVN_HDIVN_MASK (3<<1) +#define S3C2440_CLKDIVN_HDIVN_1 (0<<1) +#define S3C2440_CLKDIVN_HDIVN_2 (1<<1) +#define S3C2440_CLKDIVN_HDIVN_4_8 (2<<1) +#define S3C2440_CLKDIVN_HDIVN_3_6 (3<<1) +#define S3C2440_CLKDIVN_UCLK (1<<3) -#include <plat/cpu.h> -#include <plat/cpu-freq-core.h> +#define S3C2440_CAMDIVN_CAMCLK_MASK (0xf<<0) +#define S3C2440_CAMDIVN_CAMCLK_SEL (1<<4) +#define S3C2440_CAMDIVN_HCLK3_HALF (1<<8) +#define S3C2440_CAMDIVN_HCLK4_HALF (1<<9) +#define S3C2440_CAMDIVN_DVSEN (1<<12) + +#define S3C2442_CAMDIVN_CAMCLK_DIV3 (1<<5) static struct clk *xtal; static struct clk *fclk; @@ -143,8 +156,8 @@ static void s3c2440_cpufreq_setdivs(struct s3c_cpufreq_config *cfg) s3c_freq_dbg("%s: divisors: h=%d, p=%d\n", __func__, cfg->divs.h_divisor, cfg->divs.p_divisor); - clkdiv = __raw_readl(S3C2410_CLKDIVN); - camdiv = __raw_readl(S3C2440_CAMDIVN); + clkdiv = s3c24xx_read_clkdivn(); + camdiv = s3c2440_read_camdivn(); clkdiv &= ~(S3C2440_CLKDIVN_HDIVN_MASK | S3C2440_CLKDIVN_PDIVN); camdiv &= ~CAMDIVN_HCLK_HALF; @@ -184,11 +197,11 @@ static void s3c2440_cpufreq_setdivs(struct s3c_cpufreq_config *cfg) * then make a short delay and remove the hclk halving if necessary. */ - __raw_writel(camdiv | CAMDIVN_HCLK_HALF, S3C2440_CAMDIVN); - __raw_writel(clkdiv, S3C2410_CLKDIVN); + s3c2440_write_camdivn(camdiv | CAMDIVN_HCLK_HALF); + s3c24xx_write_clkdivn(clkdiv); ndelay(20); - __raw_writel(camdiv, S3C2440_CAMDIVN); + s3c2440_write_camdivn(camdiv); clk_set_parent(armclk, cfg->divs.dvs ? hclk : fclk); } diff --git a/drivers/cpufreq/s3c24xx-cpufreq-debugfs.c b/drivers/cpufreq/s3c24xx-cpufreq-debugfs.c index 290e3539d03e..93971dfe7c75 100644 --- a/drivers/cpufreq/s3c24xx-cpufreq-debugfs.c +++ b/drivers/cpufreq/s3c24xx-cpufreq-debugfs.c @@ -18,7 +18,7 @@ #include <linux/seq_file.h> #include <linux/err.h> -#include <plat/cpu-freq-core.h> +#include <linux/soc/samsung/s3c-cpufreq-core.h> static struct dentry *dbgfs_root; static struct dentry *dbgfs_file_io; diff --git a/drivers/cpufreq/s3c24xx-cpufreq.c b/drivers/cpufreq/s3c24xx-cpufreq.c index ed0e713b1b57..37efc0dc3f91 100644 --- a/drivers/cpufreq/s3c24xx-cpufreq.c +++ b/drivers/cpufreq/s3c24xx-cpufreq.c @@ -21,17 +21,13 @@ #include <linux/device.h> #include <linux/sysfs.h> #include <linux/slab.h> +#include <linux/soc/samsung/s3c-cpufreq-core.h> +#include <linux/soc/samsung/s3c-pm.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> -#include <plat/cpu.h> -#include <plat/cpu-freq-core.h> - -#include <mach/regs-clock.h> - /* note, cpufreq support deals in kHz, no Hz */ - static struct cpufreq_driver s3c24xx_driver; static struct s3c_cpufreq_config cpu_cur; static struct s3c_iotimings s3c24xx_iotiming; @@ -68,7 +64,7 @@ static void s3c_cpufreq_getcur(struct s3c_cpufreq_config *cfg) cfg->freq.pclk = pclk = clk_get_rate(clk_pclk); cfg->freq.armclk = armclk = clk_get_rate(clk_arm); - cfg->pll.driver_data = __raw_readl(S3C2410_MPLLCON); + cfg->pll.driver_data = s3c24xx_read_mpllcon(); cfg->pll.frequency = fclk; cfg->freq.hclk_tns = 1000000000 / (cfg->freq.hclk / 10); @@ -386,7 +382,7 @@ static unsigned int suspend_freq; static int s3c_cpufreq_suspend(struct cpufreq_policy *policy) { suspend_pll.frequency = clk_get_rate(_clk_mpll); - suspend_pll.driver_data = __raw_readl(S3C2410_MPLLCON); + suspend_pll.driver_data = s3c24xx_read_mpllcon(); suspend_freq = clk_get_rate(clk_arm); return 0; @@ -547,7 +543,7 @@ static void s3c_cpufreq_update_loctkime(void) val |= calc_locktime(rate, cpu_cur.info->locktime_m); pr_info("%s: new locktime is 0x%08x\n", __func__, val); - __raw_writel(val, S3C2410_LOCKTIME); + s3c24xx_write_locktime(val); } static int s3c_cpufreq_build_freq(void) diff --git a/drivers/cpufreq/scmi-cpufreq.c b/drivers/cpufreq/scmi-cpufreq.c index 6dd1311660b5..e855e8612a67 100644 --- a/drivers/cpufreq/scmi-cpufreq.c +++ b/drivers/cpufreq/scmi-cpufreq.c @@ -29,7 +29,7 @@ static const struct scmi_handle *handle; static unsigned int scmi_cpufreq_get_rate(unsigned int cpu) { struct cpufreq_policy *policy = cpufreq_cpu_get_raw(cpu); - struct scmi_perf_ops *perf_ops = handle->perf_ops; + const struct scmi_perf_ops *perf_ops = handle->perf_ops; struct scmi_data *priv = policy->driver_data; unsigned long rate; int ret; @@ -49,7 +49,7 @@ static int scmi_cpufreq_set_target(struct cpufreq_policy *policy, unsigned int index) { struct scmi_data *priv = policy->driver_data; - struct scmi_perf_ops *perf_ops = handle->perf_ops; + const struct scmi_perf_ops *perf_ops = handle->perf_ops; u64 freq = policy->freq_table[index].frequency; return perf_ops->freq_set(handle, priv->domain_id, freq * 1000, false); @@ -59,7 +59,7 @@ static unsigned int scmi_cpufreq_fast_switch(struct cpufreq_policy *policy, unsigned int target_freq) { struct scmi_data *priv = policy->driver_data; - struct scmi_perf_ops *perf_ops = handle->perf_ops; + const struct scmi_perf_ops *perf_ops = handle->perf_ops; if (!perf_ops->freq_set(handle, priv->domain_id, target_freq * 1000, true)) |