diff options
Diffstat (limited to 'include/linux')
53 files changed, 421 insertions, 191 deletions
diff --git a/include/linux/amba/bus.h b/include/linux/amba/bus.h index fdd7e1b61f6..c324f5700d1 100644 --- a/include/linux/amba/bus.h +++ b/include/linux/amba/bus.h @@ -44,10 +44,15 @@ struct amba_driver { const struct amba_id *id_table; }; +/* + * Constants for the designer field of the Peripheral ID register. When bit 7 + * is set to '1', bits [6:0] should be the JEP106 manufacturer identity code. + */ enum amba_vendor { AMBA_VENDOR_ARM = 0x41, AMBA_VENDOR_ST = 0x80, AMBA_VENDOR_QCOM = 0x51, + AMBA_VENDOR_LSI = 0xb6, }; extern struct bus_type amba_bustype; diff --git a/include/linux/ccp.h b/include/linux/ccp.h index ebcc9d14621..7f437036baa 100644 --- a/include/linux/ccp.h +++ b/include/linux/ccp.h @@ -27,6 +27,13 @@ struct ccp_cmd; defined(CONFIG_CRYPTO_DEV_CCP_DD_MODULE) /** + * ccp_present - check if a CCP device is present + * + * Returns zero if a CCP device is present, -ENODEV otherwise. + */ +int ccp_present(void); + +/** * ccp_enqueue_cmd - queue an operation for processing by the CCP * * @cmd: ccp_cmd struct to be processed @@ -53,6 +60,11 @@ int ccp_enqueue_cmd(struct ccp_cmd *cmd); #else /* CONFIG_CRYPTO_DEV_CCP_DD is not enabled */ +static inline int ccp_present(void) +{ + return -ENODEV; +} + static inline int ccp_enqueue_cmd(struct ccp_cmd *cmd) { return -ENODEV; diff --git a/include/linux/clk.h b/include/linux/clk.h index fb5e097d8f7..afb44bfaf8d 100644 --- a/include/linux/clk.h +++ b/include/linux/clk.h @@ -238,7 +238,7 @@ void clk_put(struct clk *clk); /** * devm_clk_put - "free" a managed clock source - * @dev: device used to acuqire the clock + * @dev: device used to acquire the clock * @clk: clock source acquired with devm_clk_get() * * Note: drivers must ensure that all clk_enable calls made on this diff --git a/include/linux/cpuset.h b/include/linux/cpuset.h index ade2390ffe9..6e39c9bb0da 100644 --- a/include/linux/cpuset.h +++ b/include/linux/cpuset.h @@ -93,12 +93,12 @@ extern int cpuset_slab_spread_node(void); static inline int cpuset_do_page_mem_spread(void) { - return current->flags & PF_SPREAD_PAGE; + return task_spread_page(current); } static inline int cpuset_do_slab_mem_spread(void) { - return current->flags & PF_SPREAD_SLAB; + return task_spread_slab(current); } extern int current_cpuset_is_being_rebound(void); diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h index 1f9e642c66a..212c5b9ac10 100644 --- a/include/linux/dmaengine.h +++ b/include/linux/dmaengine.h @@ -900,18 +900,6 @@ static inline void dmaengine_put(void) } #endif -#ifdef CONFIG_NET_DMA -#define net_dmaengine_get() dmaengine_get() -#define net_dmaengine_put() dmaengine_put() -#else -static inline void net_dmaengine_get(void) -{ -} -static inline void net_dmaengine_put(void) -{ -} -#endif - #ifdef CONFIG_ASYNC_TX_DMA #define async_dmaengine_get() dmaengine_get() #define async_dmaengine_put() dmaengine_put() @@ -933,16 +921,8 @@ async_dma_find_channel(enum dma_transaction_type type) return NULL; } #endif /* CONFIG_ASYNC_TX_DMA */ - -dma_cookie_t dma_async_memcpy_buf_to_buf(struct dma_chan *chan, - void *dest, void *src, size_t len); -dma_cookie_t dma_async_memcpy_buf_to_pg(struct dma_chan *chan, - struct page *page, unsigned int offset, void *kdata, size_t len); -dma_cookie_t dma_async_memcpy_pg_to_pg(struct dma_chan *chan, - struct page *dest_pg, unsigned int dest_off, struct page *src_pg, - unsigned int src_off, size_t len); void dma_async_tx_descriptor_init(struct dma_async_tx_descriptor *tx, - struct dma_chan *chan); + struct dma_chan *chan); static inline void async_tx_ack(struct dma_async_tx_descriptor *tx) { diff --git a/include/linux/gpio/driver.h b/include/linux/gpio/driver.h index e78a2373e37..c5e41da2011 100644 --- a/include/linux/gpio/driver.h +++ b/include/linux/gpio/driver.h @@ -105,7 +105,7 @@ struct gpio_chip { #ifdef CONFIG_GPIOLIB_IRQCHIP /* - * With CONFIG_GPIO_IRQCHIP we get an irqchip inside the gpiolib + * With CONFIG_GPIOLIB_IRQCHIP we get an irqchip inside the gpiolib * to handle IRQs for most practical cases. */ struct irq_chip *irqchip; @@ -164,7 +164,7 @@ int gpiochip_irqchip_add(struct gpio_chip *gpiochip, irq_flow_handler_t handler, unsigned int type); -#endif /* CONFIG_GPIO_IRQCHIP */ +#endif /* CONFIG_GPIOLIB_IRQCHIP */ int gpiochip_request_own_desc(struct gpio_desc *desc, const char *label); void gpiochip_free_own_desc(struct gpio_desc *desc); diff --git a/include/linux/hid.h b/include/linux/hid.h index f53c4a9cca1..78ea9bf941c 100644 --- a/include/linux/hid.h +++ b/include/linux/hid.h @@ -265,6 +265,7 @@ struct hid_item { #define HID_CONNECT_HIDDEV 0x08 #define HID_CONNECT_HIDDEV_FORCE 0x10 #define HID_CONNECT_FF 0x20 +#define HID_CONNECT_DRIVER 0x40 #define HID_CONNECT_DEFAULT (HID_CONNECT_HIDINPUT|HID_CONNECT_HIDRAW| \ HID_CONNECT_HIDDEV|HID_CONNECT_FF) @@ -287,6 +288,7 @@ struct hid_item { #define HID_QUIRK_HIDINPUT_FORCE 0x00000080 #define HID_QUIRK_NO_EMPTY_INPUT 0x00000100 #define HID_QUIRK_NO_INIT_INPUT_REPORTS 0x00000200 +#define HID_QUIRK_ALWAYS_POLL 0x00000400 #define HID_QUIRK_SKIP_OUTPUT_REPORTS 0x00010000 #define HID_QUIRK_SKIP_OUTPUT_REPORT_ID 0x00020000 #define HID_QUIRK_NO_OUTPUT_REPORTS_ON_INTR_EP 0x00040000 @@ -440,6 +442,7 @@ struct hid_output_fifo { #define HID_CLAIMED_INPUT 1 #define HID_CLAIMED_HIDDEV 2 #define HID_CLAIMED_HIDRAW 4 +#define HID_CLAIMED_DRIVER 8 #define HID_STAT_ADDED 1 #define HID_STAT_PARSED 2 diff --git a/include/linux/i2c.h b/include/linux/i2c.h index a95efeb53a8..b556e0ab946 100644 --- a/include/linux/i2c.h +++ b/include/linux/i2c.h @@ -577,20 +577,4 @@ static inline struct i2c_adapter *of_find_i2c_adapter_by_node(struct device_node } #endif /* CONFIG_OF */ -#ifdef CONFIG_ACPI -void acpi_i2c_register_devices(struct i2c_adapter *adap); -#else -static inline void acpi_i2c_register_devices(struct i2c_adapter *adap) { } -#endif /* CONFIG_ACPI */ - -#ifdef CONFIG_ACPI_I2C_OPREGION -int acpi_i2c_install_space_handler(struct i2c_adapter *adapter); -void acpi_i2c_remove_space_handler(struct i2c_adapter *adapter); -#else -static inline void acpi_i2c_remove_space_handler(struct i2c_adapter *adapter) -{ } -static inline int acpi_i2c_install_space_handler(struct i2c_adapter *adapter) -{ return 0; } -#endif /* CONFIG_ACPI_I2C_OPREGION */ - #endif /* _LINUX_I2C_H */ diff --git a/include/linux/iio/trigger.h b/include/linux/iio/trigger.h index 4b79ffe7b18..fa76c79a52a 100644 --- a/include/linux/iio/trigger.h +++ b/include/linux/iio/trigger.h @@ -84,10 +84,12 @@ static inline void iio_trigger_put(struct iio_trigger *trig) put_device(&trig->dev); } -static inline void iio_trigger_get(struct iio_trigger *trig) +static inline struct iio_trigger *iio_trigger_get(struct iio_trigger *trig) { get_device(&trig->dev); __module_get(trig->ops->owner); + + return trig; } /** diff --git a/include/linux/kfifo.h b/include/linux/kfifo.h index 554fde3a392..473b43678ad 100644 --- a/include/linux/kfifo.h +++ b/include/linux/kfifo.h @@ -722,7 +722,7 @@ __kfifo_uint_must_check_helper( \ /** * kfifo_dma_out_finish - finish a DMA OUT operation * @fifo: address of the fifo to be used - * @len: number of bytes transferrd + * @len: number of bytes transferred * * This macro finish a DMA OUT operation. The out counter will be updated by * the len parameter. No error checking will be done. diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index a4c33b34fe3..28be31f4925 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -136,12 +136,11 @@ static inline bool is_error_page(struct page *page) #define KVM_REQ_GLOBAL_CLOCK_UPDATE 22 #define KVM_REQ_ENABLE_IBS 23 #define KVM_REQ_DISABLE_IBS 24 +#define KVM_REQ_APIC_PAGE_RELOAD 25 #define KVM_USERSPACE_IRQ_SOURCE_ID 0 #define KVM_IRQFD_RESAMPLE_IRQ_SOURCE_ID 1 -struct kvm; -struct kvm_vcpu; extern struct kmem_cache *kvm_vcpu_cache; extern spinlock_t kvm_lock; @@ -200,6 +199,17 @@ int kvm_setup_async_pf(struct kvm_vcpu *vcpu, gva_t gva, unsigned long hva, int kvm_async_pf_wakeup_all(struct kvm_vcpu *vcpu); #endif +/* + * Carry out a gup that requires IO. Allow the mm to relinquish the mmap + * semaphore if the filemap/swap has to wait on a page lock. pagep == NULL + * controls whether we retry the gup one more time to completion in that case. + * Typically this is called after a FAULT_FLAG_RETRY_NOWAIT in the main tdp + * handler. + */ +int kvm_get_user_page_io(struct task_struct *tsk, struct mm_struct *mm, + unsigned long addr, bool write_fault, + struct page **pagep); + enum { OUTSIDE_GUEST_MODE, IN_GUEST_MODE, @@ -325,8 +335,6 @@ struct kvm_kernel_irq_routing_entry { struct hlist_node link; }; -struct kvm_irq_routing_table; - #ifndef KVM_PRIVATE_MEM_SLOTS #define KVM_PRIVATE_MEM_SLOTS 0 #endif @@ -528,6 +536,8 @@ struct page *gfn_to_page(struct kvm *kvm, gfn_t gfn); unsigned long gfn_to_hva(struct kvm *kvm, gfn_t gfn); unsigned long gfn_to_hva_prot(struct kvm *kvm, gfn_t gfn, bool *writable); unsigned long gfn_to_hva_memslot(struct kvm_memory_slot *slot, gfn_t gfn); +unsigned long gfn_to_hva_memslot_prot(struct kvm_memory_slot *slot, gfn_t gfn, + bool *writable); void kvm_release_page_clean(struct page *page); void kvm_release_page_dirty(struct page *page); void kvm_set_page_accessed(struct page *page); @@ -579,6 +589,7 @@ void kvm_flush_remote_tlbs(struct kvm *kvm); void kvm_reload_remote_mmus(struct kvm *kvm); void kvm_make_mclock_inprogress_request(struct kvm *kvm); void kvm_make_scan_ioapic_request(struct kvm *kvm); +bool kvm_make_all_cpus_request(struct kvm *kvm, unsigned int req); long kvm_arch_dev_ioctl(struct file *filp, unsigned int ioctl, unsigned long arg); @@ -624,6 +635,8 @@ void kvm_arch_exit(void); int kvm_arch_vcpu_init(struct kvm_vcpu *vcpu); void kvm_arch_vcpu_uninit(struct kvm_vcpu *vcpu); +void kvm_arch_sched_in(struct kvm_vcpu *vcpu, int cpu); + void kvm_arch_vcpu_free(struct kvm_vcpu *vcpu); void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu); void kvm_arch_vcpu_put(struct kvm_vcpu *vcpu); @@ -632,8 +645,8 @@ int kvm_arch_vcpu_setup(struct kvm_vcpu *vcpu); int kvm_arch_vcpu_postcreate(struct kvm_vcpu *vcpu); void kvm_arch_vcpu_destroy(struct kvm_vcpu *vcpu); -int kvm_arch_hardware_enable(void *garbage); -void kvm_arch_hardware_disable(void *garbage); +int kvm_arch_hardware_enable(void); +void kvm_arch_hardware_disable(void); int kvm_arch_hardware_setup(void); void kvm_arch_hardware_unsetup(void); void kvm_arch_check_processor_compat(void *rtn); @@ -1034,8 +1047,6 @@ static inline bool kvm_check_request(int req, struct kvm_vcpu *vcpu) extern bool kvm_rebooting; -struct kvm_device_ops; - struct kvm_device { struct kvm_device_ops *ops; struct kvm *kvm; @@ -1068,12 +1079,10 @@ struct kvm_device_ops { void kvm_device_get(struct kvm_device *dev); void kvm_device_put(struct kvm_device *dev); struct kvm_device *kvm_device_from_filp(struct file *filp); +int kvm_register_device_ops(struct kvm_device_ops *ops, u32 type); extern struct kvm_device_ops kvm_mpic_ops; extern struct kvm_device_ops kvm_xics_ops; -extern struct kvm_device_ops kvm_vfio_ops; -extern struct kvm_device_ops kvm_arm_vgic_v2_ops; -extern struct kvm_device_ops kvm_flic_ops; #ifdef CONFIG_HAVE_KVM_CPU_RELAX_INTERCEPT diff --git a/include/linux/kvm_types.h b/include/linux/kvm_types.h index b0bcce0ddc9..b606bb689a3 100644 --- a/include/linux/kvm_types.h +++ b/include/linux/kvm_types.h @@ -17,6 +17,20 @@ #ifndef __KVM_TYPES_H__ #define __KVM_TYPES_H__ +struct kvm; +struct kvm_async_pf; +struct kvm_device_ops; +struct kvm_interrupt; +struct kvm_irq_routing_table; +struct kvm_memory_slot; +struct kvm_one_reg; +struct kvm_run; +struct kvm_userspace_memory_region; +struct kvm_vcpu; +struct kvm_vcpu_init; + +enum kvm_mr_change; + #include <asm/types.h> /* diff --git a/include/linux/lockdep.h b/include/linux/lockdep.h index 008388f920d..64c7425afbc 100644 --- a/include/linux/lockdep.h +++ b/include/linux/lockdep.h @@ -362,6 +362,10 @@ extern void lockdep_trace_alloc(gfp_t mask); WARN_ON(debug_locks && !lockdep_is_held(l)); \ } while (0) +#define lockdep_assert_held_once(l) do { \ + WARN_ON_ONCE(debug_locks && !lockdep_is_held(l)); \ + } while (0) + #define lockdep_recursing(tsk) ((tsk)->lockdep_recursion) #else /* !CONFIG_LOCKDEP */ @@ -412,6 +416,7 @@ struct lock_class_key { }; #define lockdep_depth(tsk) (0) #define lockdep_assert_held(l) do { (void)(l); } while (0) +#define lockdep_assert_held_once(l) do { (void)(l); } while (0) #define lockdep_recursing(tsk) (0) diff --git a/include/linux/mfd/max77693-private.h b/include/linux/mfd/max77693-private.h index c466ff3e16b..d0e578fd705 100644 --- a/include/linux/mfd/max77693-private.h +++ b/include/linux/mfd/max77693-private.h @@ -251,6 +251,15 @@ enum max77693_haptic_reg { MAX77693_HAPTIC_REG_END, }; +/* max77693-pmic LSCNFG configuraton register */ +#define MAX77693_PMIC_LOW_SYS_MASK 0x80 +#define MAX77693_PMIC_LOW_SYS_SHIFT 7 + +/* max77693-haptic configuration register */ +#define MAX77693_CONFIG2_MODE 7 +#define MAX77693_CONFIG2_MEN 6 +#define MAX77693_CONFIG2_HTYP 5 + enum max77693_irq_source { LED_INT = 0, TOPSYS_INT, diff --git a/include/linux/mfd/samsung/core.h b/include/linux/mfd/samsung/core.h index b5f73de81aa..1825edacbda 100644 --- a/include/linux/mfd/samsung/core.h +++ b/include/linux/mfd/samsung/core.h @@ -14,6 +14,27 @@ #ifndef __LINUX_MFD_SEC_CORE_H #define __LINUX_MFD_SEC_CORE_H +/* Macros to represent minimum voltages for LDO/BUCK */ +#define MIN_3000_MV 3000000 +#define MIN_2500_MV 2500000 +#define MIN_2000_MV 2000000 +#define MIN_1800_MV 1800000 +#define MIN_1500_MV 1500000 +#define MIN_1400_MV 1400000 +#define MIN_1000_MV 1000000 + +#define MIN_900_MV 900000 +#define MIN_850_MV 850000 +#define MIN_800_MV 800000 +#define MIN_750_MV 750000 +#define MIN_600_MV 600000 + +/* Macros to represent steps for LDO/BUCK */ +#define STEP_50_MV 50000 +#define STEP_25_MV 25000 +#define STEP_12_5_MV 12500 +#define STEP_6_25_MV 6250 + enum sec_device_type { S5M8751X, S5M8763X, diff --git a/include/linux/mfd/samsung/s2mpa01.h b/include/linux/mfd/samsung/s2mpa01.h index fbc63bc0d6a..2766108bca2 100644 --- a/include/linux/mfd/samsung/s2mpa01.h +++ b/include/linux/mfd/samsung/s2mpa01.h @@ -155,18 +155,6 @@ enum s2mpa01_regulators { S2MPA01_REGULATOR_MAX, }; -#define S2MPA01_BUCK_MIN1 600000 -#define S2MPA01_BUCK_MIN2 800000 -#define S2MPA01_BUCK_MIN3 1000000 -#define S2MPA01_BUCK_MIN4 1500000 -#define S2MPA01_LDO_MIN 800000 - -#define S2MPA01_BUCK_STEP1 6250 -#define S2MPA01_BUCK_STEP2 12500 - -#define S2MPA01_LDO_STEP1 50000 -#define S2MPA01_LDO_STEP2 25000 - #define S2MPA01_LDO_VSEL_MASK 0x3F #define S2MPA01_BUCK_VSEL_MASK 0xFF #define S2MPA01_ENABLE_MASK (0x03 << S2MPA01_ENABLE_SHIFT) diff --git a/include/linux/mfd/samsung/s2mps11.h b/include/linux/mfd/samsung/s2mps11.h index b3ddf98dec3..7981a9d77d3 100644 --- a/include/linux/mfd/samsung/s2mps11.h +++ b/include/linux/mfd/samsung/s2mps11.h @@ -171,15 +171,6 @@ enum s2mps11_regulators { S2MPS11_REGULATOR_MAX, }; -#define S2MPS11_BUCK_MIN1 600000 -#define S2MPS11_BUCK_MIN2 750000 -#define S2MPS11_BUCK_MIN3 3000000 -#define S2MPS11_LDO_MIN 800000 -#define S2MPS11_BUCK_STEP1 6250 -#define S2MPS11_BUCK_STEP2 12500 -#define S2MPS11_BUCK_STEP3 25000 -#define S2MPS11_LDO_STEP1 50000 -#define S2MPS11_LDO_STEP2 25000 #define S2MPS11_LDO_VSEL_MASK 0x3F #define S2MPS11_BUCK_VSEL_MASK 0xFF #define S2MPS11_ENABLE_MASK (0x03 << S2MPS11_ENABLE_SHIFT) diff --git a/include/linux/mfd/samsung/s2mps14.h b/include/linux/mfd/samsung/s2mps14.h index 900cd7a0431..c92f4782afb 100644 --- a/include/linux/mfd/samsung/s2mps14.h +++ b/include/linux/mfd/samsung/s2mps14.h @@ -123,10 +123,6 @@ enum s2mps14_regulators { }; /* Regulator constraints for BUCKx */ -#define S2MPS14_BUCK1235_MIN_600MV 600000 -#define S2MPS14_BUCK4_MIN_1400MV 1400000 -#define S2MPS14_BUCK1235_STEP_6_25MV 6250 -#define S2MPS14_BUCK4_STEP_12_5MV 12500 #define S2MPS14_BUCK1235_START_SEL 0x20 #define S2MPS14_BUCK4_START_SEL 0x40 /* @@ -136,12 +132,6 @@ enum s2mps14_regulators { */ #define S2MPS14_BUCK_RAMP_DELAY 12500 -/* Regulator constraints for different types of LDOx */ -#define S2MPS14_LDO_MIN_800MV 800000 -#define S2MPS14_LDO_MIN_1800MV 1800000 -#define S2MPS14_LDO_STEP_12_5MV 12500 -#define S2MPS14_LDO_STEP_25MV 25000 - #define S2MPS14_LDO_VSEL_MASK 0x3F #define S2MPS14_BUCK_VSEL_MASK 0xFF #define S2MPS14_ENABLE_MASK (0x03 << S2MPS14_ENABLE_SHIFT) diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h index 511c6e0d21a..a5b7d7cfced 100644 --- a/include/linux/mlx4/device.h +++ b/include/linux/mlx4/device.h @@ -209,6 +209,7 @@ enum { MLX4_BMME_FLAG_TYPE_2_WIN = 1 << 9, MLX4_BMME_FLAG_RESERVED_LKEY = 1 << 10, MLX4_BMME_FLAG_FAST_REG_WR = 1 << 11, + MLX4_BMME_FLAG_VSD_INIT2RTR = 1 << 28, }; enum mlx4_event { diff --git a/include/linux/mlx4/qp.h b/include/linux/mlx4/qp.h index 7040dc98ff8..5f4e36cf009 100644 --- a/include/linux/mlx4/qp.h +++ b/include/linux/mlx4/qp.h @@ -56,7 +56,8 @@ enum mlx4_qp_optpar { MLX4_QP_OPTPAR_RNR_RETRY = 1 << 13, MLX4_QP_OPTPAR_ACK_TIMEOUT = 1 << 14, MLX4_QP_OPTPAR_SCHED_QUEUE = 1 << 16, - MLX4_QP_OPTPAR_COUNTER_INDEX = 1 << 20 + MLX4_QP_OPTPAR_COUNTER_INDEX = 1 << 20, + MLX4_QP_OPTPAR_VLAN_STRIPPING = 1 << 21, }; enum mlx4_qp_state { @@ -423,13 +424,20 @@ struct mlx4_wqe_inline_seg { enum mlx4_update_qp_attr { MLX4_UPDATE_QP_SMAC = 1 << 0, + MLX4_UPDATE_QP_VSD = 1 << 2, + MLX4_UPDATE_QP_SUPPORTED_ATTRS = (1 << 2) - 1 +}; + +enum mlx4_update_qp_params_flags { + MLX4_UPDATE_QP_PARAMS_FLAGS_VSD_ENABLE = 1 << 0, }; struct mlx4_update_qp_params { u8 smac_index; + u32 flags; }; -int mlx4_update_qp(struct mlx4_dev *dev, struct mlx4_qp *qp, +int mlx4_update_qp(struct mlx4_dev *dev, u32 qpn, enum mlx4_update_qp_attr attr, struct mlx4_update_qp_params *params); int mlx4_qp_modify(struct mlx4_dev *dev, struct mlx4_mtt *mtt, diff --git a/include/linux/mm.h b/include/linux/mm.h index 8981cc882ed..0f4196a0bc2 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -1985,6 +1985,7 @@ static inline struct page *follow_page(struct vm_area_struct *vma, #define FOLL_HWPOISON 0x100 /* check page is hwpoisoned */ #define FOLL_NUMA 0x200 /* force NUMA hinting page fault */ #define FOLL_MIGRATION 0x400 /* wait for page to replace migration entry */ +#define FOLL_TRIED 0x800 /* a retry, previous pass started an IO */ typedef int (*pte_fn_t)(pte_t *pte, pgtable_t token, unsigned long addr, void *data); diff --git a/include/linux/mmu_notifier.h b/include/linux/mmu_notifier.h index 27288692241..88787bb4b3b 100644 --- a/include/linux/mmu_notifier.h +++ b/include/linux/mmu_notifier.h @@ -57,10 +57,13 @@ struct mmu_notifier_ops { * pte. This way the VM will provide proper aging to the * accesses to the page through the secondary MMUs and not * only to the ones through the Linux pte. + * Start-end is necessary in case the secondary MMU is mapping the page + * at a smaller granularity than the primary MMU. */ int (*clear_flush_young)(struct mmu_notifier *mn, struct mm_struct *mm, - unsigned long address); + unsigned long start, + unsigned long end); /* * test_young is called to check the young/accessed bitflag in @@ -175,7 +178,8 @@ extern void mmu_notifier_unregister_no_release(struct mmu_notifier *mn, extern void __mmu_notifier_mm_destroy(struct mm_struct *mm); extern void __mmu_notifier_release(struct mm_struct *mm); extern int __mmu_notifier_clear_flush_young(struct mm_struct *mm, - unsigned long address); + unsigned long start, + unsigned long end); extern int __mmu_notifier_test_young(struct mm_struct *mm, unsigned long address); extern void __mmu_notifier_change_pte(struct mm_struct *mm, @@ -194,10 +198,11 @@ static inline void mmu_notifier_release(struct mm_struct *mm) } static inline int mmu_notifier_clear_flush_young(struct mm_struct *mm, - unsigned long address) + unsigned long start, + unsigned long end) { if (mm_has_notifiers(mm)) - return __mmu_notifier_clear_flush_young(mm, address); + return __mmu_notifier_clear_flush_young(mm, start, end); return 0; } @@ -255,7 +260,9 @@ static inline void mmu_notifier_mm_destroy(struct mm_struct *mm) unsigned long ___address = __address; \ __young = ptep_clear_flush_young(___vma, ___address, __ptep); \ __young |= mmu_notifier_clear_flush_young(___vma->vm_mm, \ - ___address); \ + ___address, \ + ___address + \ + PAGE_SIZE); \ __young; \ }) @@ -266,7 +273,9 @@ static inline void mmu_notifier_mm_destroy(struct mm_struct *mm) unsigned long ___address = __address; \ __young = pmdp_clear_flush_young(___vma, ___address, __pmdp); \ __young |= mmu_notifier_clear_flush_young(___vma->vm_mm, \ - ___address); \ + ___address, \ + ___address + \ + PMD_SIZE); \ __young; \ }) @@ -301,7 +310,8 @@ static inline void mmu_notifier_release(struct mm_struct *mm) } static inline int mmu_notifier_clear_flush_young(struct mm_struct *mm, - unsigned long address) + unsigned long start, + unsigned long end) { return 0; } diff --git a/include/linux/moduleparam.h b/include/linux/moduleparam.h index 494f99e852d..b43f4752304 100644 --- a/include/linux/moduleparam.h +++ b/include/linux/moduleparam.h @@ -42,7 +42,7 @@ struct kernel_param; * NOARG - the parameter allows for no argument (foo instead of foo=1) */ enum { - KERNEL_PARAM_FL_NOARG = (1 << 0) + KERNEL_PARAM_OPS_FL_NOARG = (1 << 0) }; struct kernel_param_ops { @@ -56,11 +56,21 @@ struct kernel_param_ops { void (*free)(void *arg); }; +/* + * Flags available for kernel_param + * + * UNSAFE - the parameter is dangerous and setting it will taint the kernel + */ +enum { + KERNEL_PARAM_FL_UNSAFE = (1 << 0) +}; + struct kernel_param { const char *name; const struct kernel_param_ops *ops; u16 perm; - s16 level; + s8 level; + u8 flags; union { void *arg; const struct kparam_string *str; @@ -113,6 +123,12 @@ struct kparam_array module_param_named(name, name, type, perm) /** + * module_param_unsafe - same as module_param but taints kernel + */ +#define module_param_unsafe(name, type, perm) \ + module_param_named_unsafe(name, name, type, perm) + +/** * module_param_named - typesafe helper for a renamed module/cmdline parameter * @name: a valid C identifier which is the parameter name. * @value: the actual lvalue to alter. @@ -129,6 +145,14 @@ struct kparam_array __MODULE_PARM_TYPE(name, #type) /** + * module_param_named_unsafe - same as module_param_named but taints kernel + */ +#define module_param_named_unsafe(name, value, type, perm) \ + param_check_##type(name, &(value)); \ + module_param_cb_unsafe(name, ¶m_ops_##type, &value, perm); \ + __MODULE_PARM_TYPE(name, #type) + +/** * module_param_cb - general callback for a module/cmdline parameter * @name: a valid C identifier which is the parameter name. * @ops: the set & get operations for this parameter. @@ -137,7 +161,11 @@ struct kparam_array * The ops can have NULL set or get functions. */ #define module_param_cb(name, ops, arg, perm) \ - __module_param_call(MODULE_PARAM_PREFIX, name, ops, arg, perm, -1) + __module_param_call(MODULE_PARAM_PREFIX, name, ops, arg, perm, -1, 0) + +#define module_param_cb_unsafe(name, ops, arg, perm) \ + __module_param_call(MODULE_PARAM_PREFIX, name, ops, arg, perm, -1, \ + KERNEL_PARAM_FL_UNSAFE) /** * <level>_param_cb - general callback for a module/cmdline parameter @@ -149,7 +177,7 @@ struct kparam_array * The ops can have NULL set or get functions. */ #define __level_param_cb(name, ops, arg, perm, level) \ - __module_param_call(MODULE_PARAM_PREFIX, name, ops, arg, perm, level) + __module_param_call(MODULE_PARAM_PREFIX, name, ops, arg, perm, level, 0) #define core_param_cb(name, ops, arg, perm) \ __level_param_cb(name, ops, arg, perm, 1) @@ -184,22 +212,22 @@ struct kparam_array /* This is the fundamental function for registering boot/module parameters. */ -#define __module_param_call(prefix, name, ops, arg, perm, level) \ +#define __module_param_call(prefix, name, ops, arg, perm, level, flags) \ /* Default value instead of permissions? */ \ static const char __param_str_##name[] = prefix #name; \ static struct kernel_param __moduleparam_const __param_##name \ __used \ __attribute__ ((unused,__section__ ("__param"),aligned(sizeof(void *)))) \ = { __param_str_##name, ops, VERIFY_OCTAL_PERMISSIONS(perm), \ - level, { arg } } + level, flags, { arg } } /* Obsolete - use module_param_cb() */ #define module_param_call(name, set, get, arg, perm) \ static struct kernel_param_ops __param_ops_##name = \ - { 0, (void *)set, (void *)get }; \ + { .flags = 0, (void *)set, (void *)get }; \ __module_param_call(MODULE_PARAM_PREFIX, \ name, &__param_ops_##name, arg, \ - (perm) + sizeof(__check_old_set_param(set))*0, -1) + (perm) + sizeof(__check_old_set_param(set))*0, -1, 0) /* We don't get oldget: it's often a new-style param_get_uint, etc. */ static inline int @@ -279,7 +307,7 @@ static inline void __kernel_param_unlock(void) */ #define core_param(name, var, type, perm) \ param_check_##type(name, &(var)); \ - __module_param_call("", name, ¶m_ops_##type, &var, perm, -1) + __module_param_call("", name, ¶m_ops_##type, &var, perm, -1, 0) #endif /* !MODULE */ /** @@ -297,7 +325,7 @@ static inline void __kernel_param_unlock(void) = { len, string }; \ __module_param_call(MODULE_PARAM_PREFIX, name, \ ¶m_ops_string, \ - .str = &__param_string_##name, perm, -1); \ + .str = &__param_string_##name, perm, -1, 0);\ __MODULE_PARM_TYPE(name, "string") /** @@ -444,7 +472,7 @@ extern int param_set_bint(const char *val, const struct kernel_param *kp); __module_param_call(MODULE_PARAM_PREFIX, name, \ ¶m_array_ops, \ .arr = &__param_arr_##name, \ - perm, -1); \ + perm, -1, 0); \ __MODULE_PARM_TYPE(name, "array of " #type) extern struct kernel_param_ops param_array_ops; diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h index 3df8c7db7a4..5ba1813337d 100644 --- a/include/linux/pagemap.h +++ b/include/linux/pagemap.h @@ -96,7 +96,7 @@ static inline void mapping_set_gfp_mask(struct address_space *m, gfp_t mask) } /* - * The page cache can done in larger chunks than + * The page cache can be done in larger chunks than * one page, because it allows for more efficient * throughput (it can then be mapped into user * space in smaller chunks for same flexibility). diff --git a/include/linux/pci.h b/include/linux/pci.h index 61978a46084..96453f9bc8b 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -303,6 +303,7 @@ struct pci_dev { D3cold, not set for devices powered on/off by the corresponding bridge */ + unsigned int ignore_hotplug:1; /* Ignore hotplug events */ unsigned int d3_delay; /* D3->D0 transition time in ms */ unsigned int d3cold_delay; /* D3cold->D0 transition time in ms */ @@ -1021,6 +1022,11 @@ bool pci_dev_run_wake(struct pci_dev *dev); bool pci_check_pme_status(struct pci_dev *dev); void pci_pme_wakeup_bus(struct pci_bus *bus); +static inline void pci_ignore_hotplug(struct pci_dev *dev) +{ + dev->ignore_hotplug = 1; +} + static inline int pci_enable_wake(struct pci_dev *dev, pci_power_t state, bool enable) { diff --git a/include/linux/percpu-refcount.h b/include/linux/percpu-refcount.h index 3dfbf237cd8..68a64f11ce0 100644 --- a/include/linux/percpu-refcount.h +++ b/include/linux/percpu-refcount.h @@ -29,7 +29,7 @@ * calls io_destroy() or the process exits. * * In the aio code, kill_ioctx() is called when we wish to destroy a kioctx; it - * calls percpu_ref_kill(), then hlist_del_rcu() and sychronize_rcu() to remove + * calls percpu_ref_kill(), then hlist_del_rcu() and synchronize_rcu() to remove * the kioctx from the proccess's list of kioctxs - after that, there can't be * any new users of the kioctx (from lookup_ioctx()) and it's then safe to drop * the initial ref with percpu_ref_put(). @@ -71,6 +71,7 @@ void percpu_ref_reinit(struct percpu_ref *ref); void percpu_ref_exit(struct percpu_ref *ref); void percpu_ref_kill_and_confirm(struct percpu_ref *ref, percpu_ref_func_t *confirm_kill); +void __percpu_ref_kill_expedited(struct percpu_ref *ref); /** * percpu_ref_kill - drop the initial ref diff --git a/include/linux/pinctrl/pinconf-generic.h b/include/linux/pinctrl/pinconf-generic.h index a15f10727eb..d578a60eff2 100644 --- a/include/linux/pinctrl/pinconf-generic.h +++ b/include/linux/pinctrl/pinconf-generic.h @@ -57,7 +57,7 @@ * which are then pulled up with an external resistor. Setting this * config will enable open drain mode, the argument is ignored. * @PIN_CONFIG_DRIVE_OPEN_SOURCE: the pin will be driven with open source - * (open emitter). Setting this config will enable open drain mode, the + * (open emitter). Setting this config will enable open source mode, the * argument is ignored. * @PIN_CONFIG_DRIVE_STRENGTH: the pin will sink or source at most the current * passed as argument. The argument is in mA. diff --git a/include/linux/pinctrl/pinmux.h b/include/linux/pinctrl/pinmux.h index 3097aafbeb2..511bda9ed4b 100644 --- a/include/linux/pinctrl/pinmux.h +++ b/include/linux/pinctrl/pinmux.h @@ -39,13 +39,12 @@ struct pinctrl_dev; * name can be used with the generic @pinctrl_ops to retrieve the * actual pins affected. The applicable groups will be returned in * @groups and the number of groups in @num_groups - * @enable: enable a certain muxing function with a certain pin group. The + * @set_mux: enable a certain muxing function with a certain pin group. The * driver does not need to figure out whether enabling this function * conflicts some other use of the pins in that group, such collisions * are handled by the pinmux subsystem. The @func_selector selects a * certain function whereas @group_selector selects a certain set of pins * to be used. On simple controllers the latter argument may be ignored - * @disable: disable a certain muxing selector with a certain pin group * @gpio_request_enable: requests and enables GPIO on a certain pin. * Implement this only if you can mux every pin individually as GPIO. The * affected GPIO range is passed along with an offset(pin number) into that @@ -68,8 +67,8 @@ struct pinmux_ops { unsigned selector, const char * const **groups, unsigned * const num_groups); - int (*enable) (struct pinctrl_dev *pctldev, unsigned func_selector, - unsigned group_selector); + int (*set_mux) (struct pinctrl_dev *pctldev, unsigned func_selector, + unsigned group_selector); int (*gpio_request_enable) (struct pinctrl_dev *pctldev, struct pinctrl_gpio_range *range, unsigned offset); diff --git a/include/linux/platform_data/drv260x-pdata.h b/include/linux/platform_data/drv260x-pdata.h new file mode 100644 index 00000000000..0a03b094441 --- /dev/null +++ b/include/linux/platform_data/drv260x-pdata.h @@ -0,0 +1,28 @@ +/* + * Platform data for DRV260X haptics driver family + * + * Author: Dan Murphy <dmurphy@ti.com> + * + * Copyright: (C) 2014 Texas Instruments, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#ifndef _LINUX_DRV260X_PDATA_H +#define _LINUX_DRV260X_PDATA_H + +struct drv260x_platform_data { + u32 library_selection; + u32 mode; + u32 vib_rated_voltage; + u32 vib_overdrive_voltage; +}; + +#endif diff --git a/include/linux/platform_data/isl9305.h b/include/linux/platform_data/isl9305.h new file mode 100644 index 00000000000..1419133fa69 --- /dev/null +++ b/include/linux/platform_data/isl9305.h @@ -0,0 +1,30 @@ +/* + * isl9305 - Intersil ISL9305 DCDC regulator + * + * Copyright 2014 Linaro Ltd + * + * Author: Mark Brown <broonie@kernel.org> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#ifndef __ISL9305_H +#define __ISL9305_H + +#define ISL9305_DCD1 0 +#define ISL9305_DCD2 1 +#define ISL9305_LDO1 2 +#define ISL9305_LDO2 3 + +#define ISL9305_MAX_REGULATOR ISL9305_LDO2 + +struct regulator_init_data; + +struct isl9305_pdata { + struct regulator_init_data *init_data[ISL9305_MAX_REGULATOR]; +}; + +#endif diff --git a/include/linux/platform_data/samsung-usbphy.h b/include/linux/platform_data/samsung-usbphy.h deleted file mode 100644 index 1bd24cba982..00000000000 --- a/include/linux/platform_data/samsung-usbphy.h +++ /dev/null @@ -1,27 +0,0 @@ -/* - * Copyright (C) 2012 Samsung Electronics Co.Ltd - * http://www.samsung.com/ - * Author: Praveen Paneri <p.paneri@samsung.com> - * - * Defines platform data for samsung usb phy driver. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - */ - -#ifndef __SAMSUNG_USBPHY_PLATFORM_H -#define __SAMSUNG_USBPHY_PLATFORM_H - -/** - * samsung_usbphy_data - Platform data for USB PHY driver. - * @pmu_isolation: Function to control usb phy isolation in PMU. - */ -struct samsung_usbphy_data { - void (*pmu_isolation)(int on); -}; - -extern void samsung_usbphy_set_pdata(struct samsung_usbphy_data *pd); - -#endif /* __SAMSUNG_USBPHY_PLATFORM_H */ diff --git a/include/linux/regulator/consumer.h b/include/linux/regulator/consumer.h index f8a8733068a..d347c805f92 100644 --- a/include/linux/regulator/consumer.h +++ b/include/linux/regulator/consumer.h @@ -93,7 +93,12 @@ struct regmap; * OVER_TEMP Regulator over temp. * FORCE_DISABLE Regulator forcibly shut down by software. * VOLTAGE_CHANGE Regulator voltage changed. + * Data passed is old voltage cast to (void *). * DISABLE Regulator was disabled. + * PRE_VOLTAGE_CHANGE Regulator is about to have voltage changed. + * Data passed is "struct pre_voltage_change_data" + * ABORT_VOLTAGE_CHANGE Regulator voltage change failed for some reason. + * Data passed is old voltage cast to (void *). * * NOTE: These events can be OR'ed together when passed into handler. */ @@ -106,6 +111,21 @@ struct regmap; #define REGULATOR_EVENT_FORCE_DISABLE 0x20 #define REGULATOR_EVENT_VOLTAGE_CHANGE 0x40 #define REGULATOR_EVENT_DISABLE 0x80 +#define REGULATOR_EVENT_PRE_VOLTAGE_CHANGE 0x100 +#define REGULATOR_EVENT_ABORT_VOLTAGE_CHANGE 0x200 + +/** + * struct pre_voltage_change_data - Data sent with PRE_VOLTAGE_CHANGE event + * + * @old_uV: Current voltage before change. + * @min_uV: Min voltage we'll change to. + * @max_uV: Max voltage we'll change to. + */ +struct pre_voltage_change_data { + unsigned long old_uV; + unsigned long min_uV; + unsigned long max_uV; +}; struct regulator; diff --git a/include/linux/regulator/da9211.h b/include/linux/regulator/da9211.h index 0981ce0e72c..5479394fefc 100644 --- a/include/linux/regulator/da9211.h +++ b/include/linux/regulator/da9211.h @@ -1,5 +1,5 @@ /* - * da9211.h - Regulator device driver for DA9211 + * da9211.h - Regulator device driver for DA9211/DA9213 * Copyright (C) 2014 Dialog Semiconductor Ltd. * * This library is free software; you can redistribute it and/or @@ -20,6 +20,11 @@ #define DA9211_MAX_REGULATORS 2 +enum da9211_chip_id { + DA9211, + DA9213, +}; + struct da9211_pdata { /* * Number of buck @@ -27,6 +32,6 @@ struct da9211_pdata { * 2 : 2 phase 2 buck */ int num_buck; - struct regulator_init_data *init_data; + struct regulator_init_data *init_data[DA9211_MAX_REGULATORS]; }; #endif diff --git a/include/linux/regulator/driver.h b/include/linux/regulator/driver.h index 4efa1ed8a2b..fc0ee0ce832 100644 --- a/include/linux/regulator/driver.h +++ b/include/linux/regulator/driver.h @@ -203,6 +203,8 @@ enum regulator_type { * * @name: Identifying name for the regulator. * @supply_name: Identifying the regulator supply + * @of_match: Name used to identify regulator in DT. + * @regulators_node: Name of node containing regulator definitions in DT. * @id: Numerical identifier for the regulator. * @ops: Regulator operations table. * @irq: Interrupt number for the regulator. @@ -240,14 +242,17 @@ enum regulator_type { * @bypass_val_off: Disabling value for control when using regmap set_bypass * * @enable_time: Time taken for initial enable of regulator (in uS). + * @off_on_delay: guard time (in uS), before re-enabling a regulator */ struct regulator_desc { const char *name; const char *supply_name; + const char *of_match; + const char *regulators_node; int id; bool continuous_voltage_range; unsigned n_voltages; - struct regulator_ops *ops; + const struct regulator_ops *ops; int irq; enum regulator_type type; struct module *owner; @@ -278,6 +283,8 @@ struct regulator_desc { unsigned int bypass_val_off; unsigned int enable_time; + + unsigned int off_on_delay; }; /** @@ -350,6 +357,9 @@ struct regulator_dev { struct regulator_enable_gpio *ena_pin; unsigned int ena_gpio_state:1; + + /* time when this regulator was disabled last time */ + unsigned long last_off_jiffy; }; struct regulator_dev * diff --git a/include/linux/regulator/max1586.h b/include/linux/regulator/max1586.h index de9a7fae20b..cedd0febe88 100644 --- a/include/linux/regulator/max1586.h +++ b/include/linux/regulator/max1586.h @@ -40,7 +40,7 @@ */ struct max1586_subdev_data { int id; - char *name; + const char *name; struct regulator_init_data *platform_data; }; diff --git a/include/linux/sched.h b/include/linux/sched.h index 5c2c885ee52..9c6353d9e63 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -167,6 +167,7 @@ extern int nr_threads; DECLARE_PER_CPU(unsigned long, process_counts); extern int nr_processes(void); extern unsigned long nr_running(void); +extern bool single_task_running(void); extern unsigned long nr_iowait(void); extern unsigned long nr_iowait_cpu(int cpu); extern void get_iowait_load(unsigned long *nr_waiters, unsigned long *load); @@ -1903,8 +1904,6 @@ extern void thread_group_cputime_adjusted(struct task_struct *p, cputime_t *ut, #define PF_KTHREAD 0x00200000 /* I am a kernel thread */ #define PF_RANDOMIZE 0x00400000 /* randomize virtual address space */ #define PF_SWAPWRITE 0x00800000 /* Allowed to write to swap */ -#define PF_SPREAD_PAGE 0x01000000 /* Spread page cache over cpuset */ -#define PF_SPREAD_SLAB 0x02000000 /* Spread some slab caches over cpuset */ #define PF_NO_SETAFFINITY 0x04000000 /* Userland is not allowed to meddle with cpus_allowed */ #define PF_MCE_EARLY 0x08000000 /* Early kill for mce process policy */ #define PF_MUTEX_TESTER 0x20000000 /* Thread belongs to the rt mutex tester */ @@ -1957,17 +1956,31 @@ static inline void memalloc_noio_restore(unsigned int flags) } /* Per-process atomic flags. */ -#define PFA_NO_NEW_PRIVS 0x00000001 /* May not gain new privileges. */ +#define PFA_NO_NEW_PRIVS 0 /* May not gain new privileges. */ +#define PFA_SPREAD_PAGE 1 /* Spread page cache over cpuset */ +#define PFA_SPREAD_SLAB 2 /* Spread some slab caches over cpuset */ -static inline bool task_no_new_privs(struct task_struct *p) -{ - return test_bit(PFA_NO_NEW_PRIVS, &p->atomic_flags); -} -static inline void task_set_no_new_privs(struct task_struct *p) -{ - set_bit(PFA_NO_NEW_PRIVS, &p->atomic_flags); -} +#define TASK_PFA_TEST(name, func) \ + static inline bool task_##func(struct task_struct *p) \ + { return test_bit(PFA_##name, &p->atomic_flags); } +#define TASK_PFA_SET(name, func) \ + static inline void task_set_##func(struct task_struct *p) \ + { set_bit(PFA_##name, &p->atomic_flags); } +#define TASK_PFA_CLEAR(name, func) \ + static inline void task_clear_##func(struct task_struct *p) \ + { clear_bit(PFA_##name, &p->atomic_flags); } + +TASK_PFA_TEST(NO_NEW_PRIVS, no_new_privs) +TASK_PFA_SET(NO_NEW_PRIVS, no_new_privs) + +TASK_PFA_TEST(SPREAD_PAGE, spread_page) +TASK_PFA_SET(SPREAD_PAGE, spread_page) +TASK_PFA_CLEAR(SPREAD_PAGE, spread_page) + +TASK_PFA_TEST(SPREAD_SLAB, spread_slab) +TASK_PFA_SET(SPREAD_SLAB, spread_slab) +TASK_PFA_CLEAR(SPREAD_SLAB, spread_slab) /* * task->jobctl flags @@ -2608,9 +2621,22 @@ static inline void setup_thread_stack(struct task_struct *p, struct task_struct task_thread_info(p)->task = p; } +/* + * Return the address of the last usable long on the stack. + * + * When the stack grows down, this is just above the thread + * info struct. Going any lower will corrupt the threadinfo. + * + * When the stack grows up, this is the highest address. + * Beyond that position, we corrupt data on the next page. + */ static inline unsigned long *end_of_stack(struct task_struct *p) { +#ifdef CONFIG_STACK_GROWSUP + return (unsigned long *)((unsigned long)task_thread_info(p) + THREAD_SIZE) - 1; +#else return (unsigned long *)(task_thread_info(p) + 1); +#endif } #endif diff --git a/include/linux/serial_8250.h b/include/linux/serial_8250.h index f93649e22c4..3df10d5f154 100644 --- a/include/linux/serial_8250.h +++ b/include/linux/serial_8250.h @@ -84,6 +84,7 @@ struct uart_8250_port { unsigned char mcr_mask; /* mask of user bits */ unsigned char mcr_force; /* mask of forced bits */ unsigned char cur_iotype; /* Running I/O type */ + unsigned int rpm_tx_active; /* * Some bits in registers are cleared on a read, so they must @@ -96,10 +97,13 @@ struct uart_8250_port { unsigned char msr_saved_flags; struct uart_8250_dma *dma; + struct serial_rs485 rs485; /* 8250 specific callbacks */ int (*dl_read)(struct uart_8250_port *); void (*dl_write)(struct uart_8250_port *, int); + int (*rs485_config)(struct uart_8250_port *, + struct serial_rs485 *rs485); }; static inline struct uart_8250_port *up_to_u8250p(struct uart_port *up) @@ -121,6 +125,8 @@ extern void serial8250_early_out(struct uart_port *port, int offset, int value); extern int setup_early_serial8250_console(char *cmdline); extern void serial8250_do_set_termios(struct uart_port *port, struct ktermios *termios, struct ktermios *old); +extern int serial8250_do_startup(struct uart_port *port); +extern void serial8250_do_shutdown(struct uart_port *port); extern void serial8250_do_pm(struct uart_port *port, unsigned int state, unsigned int oldstate); extern int fsl8250_handle_irq(struct uart_port *port); diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h index cf3a1e789bf..21c2e05c1bc 100644 --- a/include/linux/serial_core.h +++ b/include/linux/serial_core.h @@ -112,6 +112,7 @@ struct uart_icount { }; typedef unsigned int __bitwise__ upf_t; +typedef unsigned int __bitwise__ upstat_t; struct uart_port { spinlock_t lock; /* port lock */ @@ -122,6 +123,10 @@ struct uart_port { void (*set_termios)(struct uart_port *, struct ktermios *new, struct ktermios *old); + int (*startup)(struct uart_port *port); + void (*shutdown)(struct uart_port *port); + void (*throttle)(struct uart_port *port); + void (*unthrottle)(struct uart_port *port); int (*handle_irq)(struct uart_port *); void (*pm)(struct uart_port *, unsigned int state, unsigned int old); @@ -152,6 +157,7 @@ struct uart_port { unsigned long sysrq; /* sysrq timeout */ #endif + /* flags must be updated while holding port mutex */ upf_t flags; #define UPF_FOURPORT ((__force upf_t) (1 << 1)) @@ -187,6 +193,13 @@ struct uart_port { #define UPF_CHANGE_MASK ((__force upf_t) (0x17fff)) #define UPF_USR_MASK ((__force upf_t) (UPF_SPD_MASK|UPF_LOW_LATENCY)) + /* status must be updated while holding port lock */ + upstat_t status; + +#define UPSTAT_CTS_ENABLE ((__force upstat_t) (1 << 0)) +#define UPSTAT_DCD_ENABLE ((__force upstat_t) (1 << 1)) + + int hw_stopped; /* sw-assisted CTS flow state */ unsigned int mctrl; /* current modem ctrl settings */ unsigned int timeout; /* character-based timeout */ unsigned int type; /* port type */ @@ -347,11 +360,16 @@ int uart_resume_port(struct uart_driver *reg, struct uart_port *port); static inline int uart_tx_stopped(struct uart_port *port) { struct tty_struct *tty = port->state->port.tty; - if(tty->stopped || tty->hw_stopped) + if (tty->stopped || port->hw_stopped) return 1; return 0; } +static inline bool uart_cts_enabled(struct uart_port *uport) +{ + return uport->status & UPSTAT_CTS_ENABLE; +} + /* * The following are helper functions for the low level drivers. */ diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index abde271c18a..a17ba0881af 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -28,7 +28,6 @@ #include <linux/textsearch.h> #include <net/checksum.h> #include <linux/rcupdate.h> -#include <linux/dmaengine.h> #include <linux/hrtimer.h> #include <linux/dma-mapping.h> #include <linux/netdev_features.h> @@ -581,11 +580,8 @@ struct sk_buff { /* 2/4 bit hole (depending on ndisc_nodetype presence) */ kmemcheck_bitfield_end(flags2); -#if defined CONFIG_NET_DMA || defined CONFIG_NET_RX_BUSY_POLL - union { - unsigned int napi_id; - dma_cookie_t dma_cookie; - }; +#ifdef CONFIG_NET_RX_BUSY_POLL + unsigned int napi_id; #endif #ifdef CONFIG_NETWORK_SECMARK __u32 secmark; diff --git a/include/linux/tcp.h b/include/linux/tcp.h index fa5258f322e..ac82c5ea955 100644 --- a/include/linux/tcp.h +++ b/include/linux/tcp.h @@ -19,7 +19,6 @@ #include <linux/skbuff.h> -#include <linux/dmaengine.h> #include <net/sock.h> #include <net/inet_connection_sock.h> #include <net/inet_timewait_sock.h> @@ -166,13 +165,6 @@ struct tcp_sock { struct iovec *iov; int memory; int len; -#ifdef CONFIG_NET_DMA - /* members for async copy */ - struct dma_chan *dma_chan; - int wakeup; - struct dma_pinned_list *pinned_list; - dma_cookie_t dma_cookie; -#endif } ucopy; u32 snd_wl1; /* Sequence for window update */ diff --git a/include/linux/tty.h b/include/linux/tty.h index 84132942902..5171ef8f7b8 100644 --- a/include/linux/tty.h +++ b/include/linux/tty.h @@ -252,6 +252,7 @@ struct tty_struct { struct rw_semaphore termios_rwsem; struct mutex winsize_mutex; spinlock_t ctrl_lock; + spinlock_t flow_lock; /* Termios values are protected by the termios rwsem */ struct ktermios termios, termios_locked; struct termiox *termiox; /* May be NULL for unsupported */ @@ -261,8 +262,13 @@ struct tty_struct { unsigned long flags; int count; struct winsize winsize; /* winsize_mutex */ - unsigned char stopped:1, hw_stopped:1, flow_stopped:1, packet:1; - unsigned char ctrl_status; /* ctrl_lock */ + unsigned long stopped:1, /* flow_lock */ + flow_stopped:1, + unused:BITS_PER_LONG - 2; + int hw_stopped; + unsigned long ctrl_status:8, /* ctrl_lock */ + packet:1, + unused_ctrl:BITS_PER_LONG - 9; unsigned int receive_room; /* Bytes free for queue */ int flow_change; @@ -397,7 +403,9 @@ extern int tty_paranoia_check(struct tty_struct *tty, struct inode *inode, extern char *tty_name(struct tty_struct *tty, char *buf); extern void tty_wait_until_sent(struct tty_struct *tty, long timeout); extern int tty_check_change(struct tty_struct *tty); +extern void __stop_tty(struct tty_struct *tty); extern void stop_tty(struct tty_struct *tty); +extern void __start_tty(struct tty_struct *tty); extern void start_tty(struct tty_struct *tty); extern int tty_register_driver(struct tty_driver *driver); extern int tty_unregister_driver(struct tty_driver *driver); @@ -411,6 +419,7 @@ extern void tty_unregister_device(struct tty_driver *driver, unsigned index); extern int tty_read_raw_data(struct tty_struct *tty, unsigned char *bufp, int buflen); extern void tty_write_message(struct tty_struct *tty, char *msg); +extern int tty_send_xchar(struct tty_struct *tty, char ch); extern int tty_put_char(struct tty_struct *tty, unsigned char c); extern int tty_chars_in_buffer(struct tty_struct *tty); extern int tty_write_room(struct tty_struct *tty); @@ -495,8 +504,6 @@ extern struct tty_struct *tty_pair_get_pty(struct tty_struct *tty); extern struct mutex tty_mutex; extern spinlock_t tty_files_lock; -extern void tty_write_unlock(struct tty_struct *tty); -extern int tty_write_lock(struct tty_struct *tty, int ndelay); #define tty_is_writelocked(tty) (mutex_is_locked(&tty->atomic_write_lock)) extern void tty_port_init(struct tty_port *port); diff --git a/include/linux/tty_driver.h b/include/linux/tty_driver.h index e48c608a8fa..92e337c1883 100644 --- a/include/linux/tty_driver.h +++ b/include/linux/tty_driver.h @@ -152,6 +152,8 @@ * This routine notifies the tty driver that it should stop * outputting characters to the tty device. * + * Called with ->flow_lock held. Serialized with start() method. + * * Optional: * * Note: Call stop_tty not this method. @@ -161,6 +163,8 @@ * This routine notifies the tty driver that it resume sending * characters to the tty device. * + * Called with ->flow_lock held. Serialized with stop() method. + * * Optional: * * Note: Call start_tty not this method. diff --git a/include/linux/uio.h b/include/linux/uio.h index 48d64e6ab29..290fbf0b6b8 100644 --- a/include/linux/uio.h +++ b/include/linux/uio.h @@ -84,7 +84,7 @@ unsigned long iov_iter_alignment(const struct iov_iter *i); void iov_iter_init(struct iov_iter *i, int direction, const struct iovec *iov, unsigned long nr_segs, size_t count); ssize_t iov_iter_get_pages(struct iov_iter *i, struct page **pages, - unsigned maxpages, size_t *start); + size_t maxsize, unsigned maxpages, size_t *start); ssize_t iov_iter_get_pages_alloc(struct iov_iter *i, struct page ***pages, size_t maxsize, size_t *start); int iov_iter_npages(const struct iov_iter *i, int maxpages); diff --git a/include/linux/usb.h b/include/linux/usb.h index d2465bc0e73..447a7e2fc19 100644 --- a/include/linux/usb.h +++ b/include/linux/usb.h @@ -1862,6 +1862,18 @@ extern void usb_unregister_notify(struct notifier_block *nb); /* debugfs stuff */ extern struct dentry *usb_debug_root; +/* LED triggers */ +enum usb_led_event { + USB_LED_EVENT_HOST = 0, + USB_LED_EVENT_GADGET = 1, +}; + +#ifdef CONFIG_USB_LED_TRIG +extern void usb_led_activity(enum usb_led_event ev); +#else +static inline void usb_led_activity(enum usb_led_event ev) {} +#endif + #endif /* __KERNEL__ */ #endif diff --git a/include/linux/usb/chipidea.h b/include/linux/usb/chipidea.h index bbe779f640b..e14c09a45c5 100644 --- a/include/linux/usb/chipidea.h +++ b/include/linux/usb/chipidea.h @@ -31,6 +31,7 @@ struct ci_hdrc_platform_data { #define CI_HDRC_CONTROLLER_STOPPED_EVENT 1 void (*notify_event) (struct ci_hdrc *ci, unsigned event); struct regulator *reg_vbus; + bool tpl_support; }; /* Default offset of capability registers */ diff --git a/include/linux/usb/gadget.h b/include/linux/usb/gadget.h index c3a61853cd1..522cafe2679 100644 --- a/include/linux/usb/gadget.h +++ b/include/linux/usb/gadget.h @@ -345,12 +345,13 @@ static inline int usb_ep_queue(struct usb_ep *ep, * @ep:the endpoint associated with the request * @req:the request being canceled * - * if the request is still active on the endpoint, it is dequeued and its + * If the request is still active on the endpoint, it is dequeued and its * completion routine is called (with status -ECONNRESET); else a negative - * error code is returned. + * error code is returned. This is guaranteed to happen before the call to + * usb_ep_dequeue() returns. * - * note that some hardware can't clear out write fifos (to unlink the request - * at the head of the queue) except as part of disconnecting from usb. such + * Note that some hardware can't clear out write fifos (to unlink the request + * at the head of the queue) except as part of disconnecting from usb. Such * restrictions prevent drivers from supporting configuration changes, * even to configuration zero (a "chapter 9" requirement). */ @@ -816,6 +817,8 @@ static inline int usb_gadget_disconnect(struct usb_gadget *gadget) * Called in a context that permits sleeping. * @suspend: Invoked on USB suspend. May be called in_interrupt. * @resume: Invoked on USB resume. May be called in_interrupt. + * @reset: Invoked on USB bus reset. It is mandatory for all gadget drivers + * and should be called in_interrupt. * @driver: Driver model state for this driver. * * Devices are disabled till a gadget driver successfully bind()s, which @@ -873,6 +876,7 @@ struct usb_gadget_driver { void (*disconnect)(struct usb_gadget *); void (*suspend)(struct usb_gadget *); void (*resume)(struct usb_gadget *); + void (*reset)(struct usb_gadget *); /* FIXME support safe rmmod */ struct device_driver driver; @@ -1013,6 +1017,20 @@ extern void usb_gadget_set_state(struct usb_gadget *gadget, /*-------------------------------------------------------------------------*/ +/* utility to tell udc core that the bus reset occurs */ +extern void usb_gadget_udc_reset(struct usb_gadget *gadget, + struct usb_gadget_driver *driver); + +/*-------------------------------------------------------------------------*/ + +/* utility to give requests back to the gadget layer */ + +extern void usb_gadget_giveback_request(struct usb_ep *ep, + struct usb_request *req); + + +/*-------------------------------------------------------------------------*/ + /* utility wrapping a simple endpoint selection policy */ extern struct usb_ep *usb_ep_autoconfig(struct usb_gadget *, diff --git a/include/linux/usb/hcd.h b/include/linux/usb/hcd.h index 485cd5e2100..cd96a2bc338 100644 --- a/include/linux/usb/hcd.h +++ b/include/linux/usb/hcd.h @@ -106,7 +106,8 @@ struct usb_hcd { * OTG and some Host controllers need software interaction with phys; * other external phys should be software-transparent */ - struct usb_phy *phy; + struct usb_phy *usb_phy; + struct phy *phy; /* Flags that need to be manipulated atomically because they can * change while the host controller is running. Always use @@ -144,6 +145,7 @@ struct usb_hcd { unsigned has_tt:1; /* Integrated TT in root hub */ unsigned amd_resume_bug:1; /* AMD remote wakeup quirk */ unsigned can_do_streams:1; /* HC supports streams */ + unsigned tpl_support:1; /* OTG & EH TPL support */ unsigned int irq; /* irq allocated */ void __iomem *regs; /* device memory/io */ diff --git a/include/linux/usb/of.h b/include/linux/usb/of.h index 8c38aa26b3b..cfe0528cdbb 100644 --- a/include/linux/usb/of.h +++ b/include/linux/usb/of.h @@ -14,6 +14,7 @@ #if IS_ENABLED(CONFIG_OF) enum usb_dr_mode of_usb_get_dr_mode(struct device_node *np); enum usb_device_speed of_usb_get_maximum_speed(struct device_node *np); +bool of_usb_host_tpl_support(struct device_node *np); #else static inline enum usb_dr_mode of_usb_get_dr_mode(struct device_node *np) { @@ -25,6 +26,10 @@ of_usb_get_maximum_speed(struct device_node *np) { return USB_SPEED_UNKNOWN; } +static inline bool of_usb_host_tpl_support(struct device_node *np) +{ + return false; +} #endif #if IS_ENABLED(CONFIG_OF) && IS_ENABLED(CONFIG_USB_SUPPORT) diff --git a/include/linux/usb/quirks.h b/include/linux/usb/quirks.h index 55a17b188da..9948c874e3f 100644 --- a/include/linux/usb/quirks.h +++ b/include/linux/usb/quirks.h @@ -8,27 +8,27 @@ #define __LINUX_USB_QUIRKS_H /* string descriptors must not be fetched using a 255-byte read */ -#define USB_QUIRK_STRING_FETCH_255 0x00000001 +#define USB_QUIRK_STRING_FETCH_255 BIT(0) /* device can't resume correctly so reset it instead */ -#define USB_QUIRK_RESET_RESUME 0x00000002 +#define USB_QUIRK_RESET_RESUME BIT(1) /* device can't handle Set-Interface requests */ -#define USB_QUIRK_NO_SET_INTF 0x00000004 +#define USB_QUIRK_NO_SET_INTF BIT(2) /* device can't handle its Configuration or Interface strings */ -#define USB_QUIRK_CONFIG_INTF_STRINGS 0x00000008 +#define USB_QUIRK_CONFIG_INTF_STRINGS BIT(3) /* device can't be reset(e.g morph devices), don't use reset */ -#define USB_QUIRK_RESET 0x00000010 +#define USB_QUIRK_RESET BIT(4) /* device has more interface descriptions than the bNumInterfaces count, and can't handle talking to these interfaces */ -#define USB_QUIRK_HONOR_BNUMINTERFACES 0x00000020 +#define USB_QUIRK_HONOR_BNUMINTERFACES BIT(5) /* device needs a pause during initialization, after we read the device descriptor */ -#define USB_QUIRK_DELAY_INIT 0x00000040 +#define USB_QUIRK_DELAY_INIT BIT(6) /* * For high speed and super speed interupt endpoints, the USB 2.0 and @@ -39,6 +39,12 @@ * Devices with this quirk report their bInterval as the result of this * calculation instead of the exponent variable used in the calculation. */ -#define USB_QUIRK_LINEAR_UFRAME_INTR_BINTERVAL 0x00000080 +#define USB_QUIRK_LINEAR_UFRAME_INTR_BINTERVAL BIT(7) + +/* device can't handle device_qualifier descriptor requests */ +#define USB_QUIRK_DEVICE_QUALIFIER BIT(8) + +/* device generates spurious wakeup, ignore remote wakeup capability */ +#define USB_QUIRK_IGNORE_REMOTE_WAKEUP BIT(9) #endif /* __LINUX_USB_QUIRKS_H */ diff --git a/include/linux/usb_usual.h b/include/linux/usb_usual.h index 9b7de1b4643..a7f2604c5f2 100644 --- a/include/linux/usb_usual.h +++ b/include/linux/usb_usual.h @@ -73,6 +73,10 @@ /* Device advertises UAS but it is broken */ \ US_FLAG(BROKEN_FUA, 0x01000000) \ /* Cannot handle FUA in WRITE or READ CDBs */ \ + US_FLAG(NO_ATA_1X, 0x02000000) \ + /* Cannot handle ATA_12 or ATA_16 CDBs */ \ + US_FLAG(NO_REPORT_OPCODES, 0x04000000) \ + /* Cannot handle MI_REPORT_SUPPORTED_OPERATION_CODES */ \ #define US_FLAG(name, value) US_FL_##name = value , enum { US_DO_ALL_FLAGS }; diff --git a/include/linux/vga_switcheroo.h b/include/linux/vga_switcheroo.h index 502073a53dd..b483abd3449 100644 --- a/include/linux/vga_switcheroo.h +++ b/include/linux/vga_switcheroo.h @@ -64,6 +64,7 @@ int vga_switcheroo_get_client_state(struct pci_dev *dev); void vga_switcheroo_set_dynamic_switch(struct pci_dev *pdev, enum vga_switcheroo_state dynamic); int vga_switcheroo_init_domain_pm_ops(struct device *dev, struct dev_pm_domain *domain); +void vga_switcheroo_fini_domain_pm_ops(struct device *dev); int vga_switcheroo_init_domain_pm_optimus_hdmi_audio(struct device *dev, struct dev_pm_domain *domain); #else @@ -82,6 +83,7 @@ static inline int vga_switcheroo_get_client_state(struct pci_dev *dev) { return static inline void vga_switcheroo_set_dynamic_switch(struct pci_dev *pdev, enum vga_switcheroo_state dynamic) {} static inline int vga_switcheroo_init_domain_pm_ops(struct device *dev, struct dev_pm_domain *domain) { return -EINVAL; } +static inline void vga_switcheroo_fini_domain_pm_ops(struct device *dev) {} static inline int vga_switcheroo_init_domain_pm_optimus_hdmi_audio(struct device *dev, struct dev_pm_domain *domain) { return -EINVAL; } #endif diff --git a/include/linux/vgaarb.h b/include/linux/vgaarb.h index 2c02f3a8d2b..c37bd4d0673 100644 --- a/include/linux/vgaarb.h +++ b/include/linux/vgaarb.h @@ -182,7 +182,6 @@ extern void vga_put(struct pci_dev *pdev, unsigned int rsrc); * vga_get()... */ -#ifndef __ARCH_HAS_VGA_DEFAULT_DEVICE #ifdef CONFIG_VGA_ARB extern struct pci_dev *vga_default_device(void); extern void vga_set_default_device(struct pci_dev *pdev); @@ -190,7 +189,6 @@ extern void vga_set_default_device(struct pci_dev *pdev); static inline struct pci_dev *vga_default_device(void) { return NULL; }; static inline void vga_set_default_device(struct pci_dev *pdev) { }; #endif -#endif /** * vga_conflicts diff --git a/include/linux/workqueue.h b/include/linux/workqueue.h index a0cc2e95ed1..b996e6cde6b 100644 --- a/include/linux/workqueue.h +++ b/include/linux/workqueue.h @@ -419,7 +419,7 @@ __alloc_workqueue_key(const char *fmt, unsigned int flags, int max_active, alloc_workqueue("%s", WQ_FREEZABLE | WQ_UNBOUND | WQ_MEM_RECLAIM, \ 1, (name)) #define create_singlethread_workqueue(name) \ - alloc_workqueue("%s", WQ_UNBOUND | WQ_MEM_RECLAIM, 1, (name)) + alloc_ordered_workqueue("%s", WQ_MEM_RECLAIM, name) extern void destroy_workqueue(struct workqueue_struct *wq); |