diff options
Diffstat (limited to 'arch/arm')
-rw-r--r-- | arch/arm/common/locomo.c | 24 | ||||
-rw-r--r-- | arch/arm/include/asm/hardware/locomo.h | 2 | ||||
-rw-r--r-- | arch/arm/include/asm/topology.h | 8 | ||||
-rw-r--r-- | arch/arm/mach-imx/mach-imx6q.c | 88 | ||||
-rw-r--r-- | arch/arm/mach-shmobile/pm-rmobile.c | 8 |
5 files changed, 11 insertions, 119 deletions
diff --git a/arch/arm/common/locomo.c b/arch/arm/common/locomo.c index 6c7b06854fce..51936bde1eb2 100644 --- a/arch/arm/common/locomo.c +++ b/arch/arm/common/locomo.c @@ -826,28 +826,6 @@ static int locomo_match(struct device *_dev, struct device_driver *_drv) return dev->devid == drv->devid; } -static int locomo_bus_suspend(struct device *dev, pm_message_t state) -{ - struct locomo_dev *ldev = LOCOMO_DEV(dev); - struct locomo_driver *drv = LOCOMO_DRV(dev->driver); - int ret = 0; - - if (drv && drv->suspend) - ret = drv->suspend(ldev, state); - return ret; -} - -static int locomo_bus_resume(struct device *dev) -{ - struct locomo_dev *ldev = LOCOMO_DEV(dev); - struct locomo_driver *drv = LOCOMO_DRV(dev->driver); - int ret = 0; - - if (drv && drv->resume) - ret = drv->resume(ldev); - return ret; -} - static int locomo_bus_probe(struct device *dev) { struct locomo_dev *ldev = LOCOMO_DEV(dev); @@ -875,8 +853,6 @@ struct bus_type locomo_bus_type = { .match = locomo_match, .probe = locomo_bus_probe, .remove = locomo_bus_remove, - .suspend = locomo_bus_suspend, - .resume = locomo_bus_resume, }; int locomo_driver_register(struct locomo_driver *driver) diff --git a/arch/arm/include/asm/hardware/locomo.h b/arch/arm/include/asm/hardware/locomo.h index 74e51d6bd93f..f8712e3c29cf 100644 --- a/arch/arm/include/asm/hardware/locomo.h +++ b/arch/arm/include/asm/hardware/locomo.h @@ -189,8 +189,6 @@ struct locomo_driver { unsigned int devid; int (*probe)(struct locomo_dev *); int (*remove)(struct locomo_dev *); - int (*suspend)(struct locomo_dev *, pm_message_t); - int (*resume)(struct locomo_dev *); }; #define LOCOMO_DRV(_d) container_of((_d), struct locomo_driver, drv) diff --git a/arch/arm/include/asm/topology.h b/arch/arm/include/asm/topology.h index f59ab9bcbaf9..5d88d2f22b2c 100644 --- a/arch/arm/include/asm/topology.h +++ b/arch/arm/include/asm/topology.h @@ -25,6 +25,14 @@ void init_cpu_topology(void); void store_cpu_topology(unsigned int cpuid); const struct cpumask *cpu_coregroup_mask(int cpu); +#include <linux/arch_topology.h> + +/* Replace task scheduler's default frequency-invariant accounting */ +#define arch_scale_freq_capacity topology_get_freq_scale + +/* Replace task scheduler's default cpu-invariant accounting */ +#define arch_scale_cpu_capacity topology_get_cpu_scale + #else static inline void init_cpu_topology(void) { } diff --git a/arch/arm/mach-imx/mach-imx6q.c b/arch/arm/mach-imx/mach-imx6q.c index 45801b27ee5c..b5f89fdbbb4b 100644 --- a/arch/arm/mach-imx/mach-imx6q.c +++ b/arch/arm/mach-imx/mach-imx6q.c @@ -286,88 +286,6 @@ static void __init imx6q_init_machine(void) imx6q_axi_init(); } -#define OCOTP_CFG3 0x440 -#define OCOTP_CFG3_SPEED_SHIFT 16 -#define OCOTP_CFG3_SPEED_1P2GHZ 0x3 -#define OCOTP_CFG3_SPEED_996MHZ 0x2 -#define OCOTP_CFG3_SPEED_852MHZ 0x1 - -static void __init imx6q_opp_check_speed_grading(struct device *cpu_dev) -{ - struct device_node *np; - void __iomem *base; - u32 val; - - np = of_find_compatible_node(NULL, NULL, "fsl,imx6q-ocotp"); - if (!np) { - pr_warn("failed to find ocotp node\n"); - return; - } - - base = of_iomap(np, 0); - if (!base) { - pr_warn("failed to map ocotp\n"); - goto put_node; - } - - /* - * SPEED_GRADING[1:0] defines the max speed of ARM: - * 2b'11: 1200000000Hz; - * 2b'10: 996000000Hz; - * 2b'01: 852000000Hz; -- i.MX6Q Only, exclusive with 996MHz. - * 2b'00: 792000000Hz; - * We need to set the max speed of ARM according to fuse map. - */ - val = readl_relaxed(base + OCOTP_CFG3); - val >>= OCOTP_CFG3_SPEED_SHIFT; - val &= 0x3; - - if ((val != OCOTP_CFG3_SPEED_1P2GHZ) && cpu_is_imx6q()) - if (dev_pm_opp_disable(cpu_dev, 1200000000)) - pr_warn("failed to disable 1.2 GHz OPP\n"); - if (val < OCOTP_CFG3_SPEED_996MHZ) - if (dev_pm_opp_disable(cpu_dev, 996000000)) - pr_warn("failed to disable 996 MHz OPP\n"); - if (cpu_is_imx6q()) { - if (val != OCOTP_CFG3_SPEED_852MHZ) - if (dev_pm_opp_disable(cpu_dev, 852000000)) - pr_warn("failed to disable 852 MHz OPP\n"); - } - iounmap(base); -put_node: - of_node_put(np); -} - -static void __init imx6q_opp_init(void) -{ - struct device_node *np; - struct device *cpu_dev = get_cpu_device(0); - - if (!cpu_dev) { - pr_warn("failed to get cpu0 device\n"); - return; - } - np = of_node_get(cpu_dev->of_node); - if (!np) { - pr_warn("failed to find cpu0 node\n"); - return; - } - - if (dev_pm_opp_of_add_table(cpu_dev)) { - pr_warn("failed to init OPP table\n"); - goto put_node; - } - - imx6q_opp_check_speed_grading(cpu_dev); - -put_node: - of_node_put(np); -} - -static struct platform_device imx6q_cpufreq_pdev = { - .name = "imx6q-cpufreq", -}; - static void __init imx6q_init_late(void) { /* @@ -377,10 +295,8 @@ static void __init imx6q_init_late(void) if (imx_get_soc_revision() > IMX_CHIP_REVISION_1_1) imx6q_cpuidle_init(); - if (IS_ENABLED(CONFIG_ARM_IMX6Q_CPUFREQ)) { - imx6q_opp_init(); - platform_device_register(&imx6q_cpufreq_pdev); - } + if (IS_ENABLED(CONFIG_ARM_IMX6Q_CPUFREQ)) + platform_device_register_simple("imx6q-cpufreq", -1, NULL, 0); } static void __init imx6q_map_io(void) diff --git a/arch/arm/mach-shmobile/pm-rmobile.c b/arch/arm/mach-shmobile/pm-rmobile.c index 3a4ed4c33a68..e348bcfe389d 100644 --- a/arch/arm/mach-shmobile/pm-rmobile.c +++ b/arch/arm/mach-shmobile/pm-rmobile.c @@ -120,18 +120,12 @@ static int rmobile_pd_power_up(struct generic_pm_domain *genpd) return __rmobile_pd_power_up(to_rmobile_pd(genpd), true); } -static bool rmobile_pd_active_wakeup(struct device *dev) -{ - return true; -} - static void rmobile_init_pm_domain(struct rmobile_pm_domain *rmobile_pd) { struct generic_pm_domain *genpd = &rmobile_pd->genpd; struct dev_power_governor *gov = rmobile_pd->gov; - genpd->flags |= GENPD_FLAG_PM_CLK; - genpd->dev_ops.active_wakeup = rmobile_pd_active_wakeup; + genpd->flags |= GENPD_FLAG_PM_CLK | GENPD_FLAG_ACTIVE_WAKEUP; genpd->power_off = rmobile_pd_power_down; genpd->power_on = rmobile_pd_power_up; genpd->attach_dev = cpg_mstp_attach_dev; |