diff options
Diffstat (limited to 'include/asm-generic')
| -rw-r--r-- | include/asm-generic/checksum.h | 4 | ||||
| -rw-r--r-- | include/asm-generic/cmpxchg-local.h | 8 | ||||
| -rw-r--r-- | include/asm-generic/cputime_nsecs.h | 2 | ||||
| -rw-r--r-- | include/asm-generic/gpio.h | 86 | ||||
| -rw-r--r-- | include/asm-generic/io.h | 30 | ||||
| -rw-r--r-- | include/asm-generic/pgtable.h | 10 | ||||
| -rw-r--r-- | include/asm-generic/syscalls.h | 16 | ||||
| -rw-r--r-- | include/asm-generic/uaccess.h | 14 | ||||
| -rw-r--r-- | include/asm-generic/unistd.h | 12 | ||||
| -rw-r--r-- | include/asm-generic/vmlinux.lds.h | 32 |
10 files changed, 126 insertions, 88 deletions
diff --git a/include/asm-generic/checksum.h b/include/asm-generic/checksum.h index c084767c88bc..59811df58c5b 100644 --- a/include/asm-generic/checksum.h +++ b/include/asm-generic/checksum.h @@ -38,12 +38,15 @@ extern __wsum csum_partial_copy_from_user(const void __user *src, void *dst, csum_partial_copy((src), (dst), (len), (sum)) #endif +#ifndef ip_fast_csum /* * This is a version of ip_compute_csum() optimized for IP headers, * which always checksum on 4 octet boundaries. */ extern __sum16 ip_fast_csum(const void *iph, unsigned int ihl); +#endif +#ifndef csum_fold /* * Fold a partial checksum */ @@ -54,6 +57,7 @@ static inline __sum16 csum_fold(__wsum csum) sum = (sum & 0xffff) + (sum >> 16); return (__force __sum16)~sum; } +#endif #ifndef csum_tcpudp_nofold /* diff --git a/include/asm-generic/cmpxchg-local.h b/include/asm-generic/cmpxchg-local.h index 2533fddd34a6..d8d4c898c1bb 100644 --- a/include/asm-generic/cmpxchg-local.h +++ b/include/asm-generic/cmpxchg-local.h @@ -21,7 +21,7 @@ static inline unsigned long __cmpxchg_local_generic(volatile void *ptr, if (size == 8 && sizeof(unsigned long) != 8) wrong_size_cmpxchg(ptr); - local_irq_save(flags); + raw_local_irq_save(flags); switch (size) { case 1: prev = *(u8 *)ptr; if (prev == old) @@ -42,7 +42,7 @@ static inline unsigned long __cmpxchg_local_generic(volatile void *ptr, default: wrong_size_cmpxchg(ptr); } - local_irq_restore(flags); + raw_local_irq_restore(flags); return prev; } @@ -55,11 +55,11 @@ static inline u64 __cmpxchg64_local_generic(volatile void *ptr, u64 prev; unsigned long flags; - local_irq_save(flags); + raw_local_irq_save(flags); prev = *(u64 *)ptr; if (prev == old) *(u64 *)ptr = new; - local_irq_restore(flags); + raw_local_irq_restore(flags); return prev; } diff --git a/include/asm-generic/cputime_nsecs.h b/include/asm-generic/cputime_nsecs.h index b6485cafb7bd..a8ece9a33aef 100644 --- a/include/asm-generic/cputime_nsecs.h +++ b/include/asm-generic/cputime_nsecs.h @@ -76,7 +76,7 @@ static inline void cputime_to_timespec(const cputime_t ct, struct timespec *val) /* * Convert cputime <-> timeval (msec) */ -static inline cputime_t timeval_to_cputime(struct timeval *val) +static inline cputime_t timeval_to_cputime(const struct timeval *val) { u64 ret = val->tv_sec * NSEC_PER_SEC + val->tv_usec * NSEC_PER_USEC; return (__force cputime_t) ret; diff --git a/include/asm-generic/gpio.h b/include/asm-generic/gpio.h index 20ca7663975f..bde646995d10 100644 --- a/include/asm-generic/gpio.h +++ b/include/asm-generic/gpio.h @@ -47,12 +47,14 @@ struct gpio; struct seq_file; struct module; struct device_node; +struct gpio_desc; /** * struct gpio_chip - abstract a GPIO controller * @label: for diagnostics * @dev: optional device providing the GPIOs * @owner: helps prevent removal of modules exporting active GPIOs + * @list: links gpio_chips together for traversal * @request: optional hook for chip-specific activation, such as * enabling module power and clock; may sleep * @free: optional hook for chip-specific deactivation, such as @@ -75,6 +77,7 @@ struct device_node; * negative during registration, requests dynamic ID allocation. * @ngpio: the number of GPIOs handled by this controller; the last GPIO * handled is (base + ngpio - 1). + * @desc: array of ngpio descriptors. Private. * @can_sleep: flag must be set iff get()/set() methods sleep, as they * must while accessing GPIO expander chips over I2C or SPI * @names: if set, must be an array of strings to use as alternative @@ -98,6 +101,7 @@ struct gpio_chip { const char *label; struct device *dev; struct module *owner; + struct list_head list; int (*request)(struct gpio_chip *chip, unsigned offset); @@ -124,6 +128,7 @@ struct gpio_chip { struct gpio_chip *chip); int base; u16 ngpio; + struct gpio_desc *desc; const char *const *names; unsigned can_sleep:1; unsigned exported:1; @@ -152,7 +157,6 @@ struct gpio_chip { extern const char *gpiochip_is_requested(struct gpio_chip *chip, unsigned offset); extern struct gpio_chip *gpio_to_chip(unsigned gpio); -extern int __must_check gpiochip_reserve(int start, int ngpio); /* add/remove chips */ extern int gpiochip_add(struct gpio_chip *chip); @@ -192,12 +196,6 @@ extern int gpio_request_one(unsigned gpio, unsigned long flags, const char *labe extern int gpio_request_array(const struct gpio *array, size_t num); extern void gpio_free_array(const struct gpio *array, size_t num); -/* bindings for managed devices that want to request gpios */ -int devm_gpio_request(struct device *dev, unsigned gpio, const char *label); -int devm_gpio_request_one(struct device *dev, unsigned gpio, - unsigned long flags, const char *label); -void devm_gpio_free(struct device *dev, unsigned int gpio); - #ifdef CONFIG_GPIO_SYSFS /* @@ -212,6 +210,43 @@ extern void gpio_unexport(unsigned gpio); #endif /* CONFIG_GPIO_SYSFS */ +#ifdef CONFIG_PINCTRL + +/** + * struct gpio_pin_range - pin range controlled by a gpio chip + * @head: list for maintaining set of pin ranges, used internally + * @pctldev: pinctrl device which handles corresponding pins + * @range: actual range of pins controlled by a gpio controller + */ + +struct gpio_pin_range { + struct list_head node; + struct pinctrl_dev *pctldev; + struct pinctrl_gpio_range range; +}; + +int gpiochip_add_pin_range(struct gpio_chip *chip, const char *pinctl_name, + unsigned int gpio_offset, unsigned int pin_offset, + unsigned int npins); +void gpiochip_remove_pin_ranges(struct gpio_chip *chip); + +#else + +static inline int +gpiochip_add_pin_range(struct gpio_chip *chip, const char *pinctl_name, + unsigned int gpio_offset, unsigned int pin_offset, + unsigned int npins) +{ + return 0; +} + +static inline void +gpiochip_remove_pin_ranges(struct gpio_chip *chip) +{ +} + +#endif /* CONFIG_PINCTRL */ + #else /* !CONFIG_GPIOLIB */ static inline bool gpio_is_valid(int number) @@ -270,41 +305,4 @@ static inline void gpio_unexport(unsigned gpio) } #endif /* CONFIG_GPIO_SYSFS */ -#ifdef CONFIG_PINCTRL - -/** - * struct gpio_pin_range - pin range controlled by a gpio chip - * @head: list for maintaining set of pin ranges, used internally - * @pctldev: pinctrl device which handles corresponding pins - * @range: actual range of pins controlled by a gpio controller - */ - -struct gpio_pin_range { - struct list_head node; - struct pinctrl_dev *pctldev; - struct pinctrl_gpio_range range; -}; - -int gpiochip_add_pin_range(struct gpio_chip *chip, const char *pinctl_name, - unsigned int gpio_offset, unsigned int pin_offset, - unsigned int npins); -void gpiochip_remove_pin_ranges(struct gpio_chip *chip); - -#else - -static inline int -gpiochip_add_pin_range(struct gpio_chip *chip, const char *pinctl_name, - unsigned int gpio_offset, unsigned int pin_offset, - unsigned int npins) -{ - return 0; -} - -static inline void -gpiochip_remove_pin_ranges(struct gpio_chip *chip) -{ -} - -#endif /* CONFIG_PINCTRL */ - #endif /* _ASM_GENERIC_GPIO_H */ diff --git a/include/asm-generic/io.h b/include/asm-generic/io.h index 33bbbae4ddc6..ac9da00e9f2c 100644 --- a/include/asm-generic/io.h +++ b/include/asm-generic/io.h @@ -53,8 +53,18 @@ static inline u32 __raw_readl(const volatile void __iomem *addr) #endif #define readb __raw_readb -#define readw(addr) __le16_to_cpu(__raw_readw(addr)) -#define readl(addr) __le32_to_cpu(__raw_readl(addr)) + +#define readw readw +static inline u16 readw(const volatile void __iomem *addr) +{ + return __le16_to_cpu(__raw_readw(addr)); +} + +#define readl readl +static inline u32 readl(const volatile void __iomem *addr) +{ + return __le32_to_cpu(__raw_readl(addr)); +} #ifndef __raw_writeb static inline void __raw_writeb(u8 b, volatile void __iomem *addr) @@ -89,7 +99,11 @@ static inline u64 __raw_readq(const volatile void __iomem *addr) } #endif -#define readq(addr) __le64_to_cpu(__raw_readq(addr)) +#define readq readq +static inline u64 readq(const volatile void __iomem *addr) +{ + return __le64_to_cpu(__raw_readq(addr)); +} #ifndef __raw_writeq static inline void __raw_writeq(u64 b, volatile void __iomem *addr) @@ -225,15 +239,15 @@ static inline void outsl(unsigned long addr, const void *buffer, int count) #ifndef CONFIG_GENERIC_IOMAP #define ioread8(addr) readb(addr) #define ioread16(addr) readw(addr) -#define ioread16be(addr) be16_to_cpu(ioread16(addr)) +#define ioread16be(addr) __be16_to_cpu(__raw_readw(addr)) #define ioread32(addr) readl(addr) -#define ioread32be(addr) be32_to_cpu(ioread32(addr)) +#define ioread32be(addr) __be32_to_cpu(__raw_readl(addr)) #define iowrite8(v, addr) writeb((v), (addr)) #define iowrite16(v, addr) writew((v), (addr)) -#define iowrite16be(v, addr) iowrite16(be16_to_cpu(v), (addr)) +#define iowrite16be(v, addr) __raw_writew(__cpu_to_be16(v), addr) #define iowrite32(v, addr) writel((v), (addr)) -#define iowrite32be(v, addr) iowrite32(be32_to_cpu(v), (addr)) +#define iowrite32be(v, addr) __raw_writel(__cpu_to_be32(v), addr) #define ioread8_rep(p, dst, count) \ insb((unsigned long) (p), (dst), (count)) @@ -332,6 +346,7 @@ extern void ioport_unmap(void __iomem *p); #define xlate_dev_kmem_ptr(p) p #define xlate_dev_mem_ptr(p) __va(p) +#ifdef CONFIG_VIRT_TO_BUS #ifndef virt_to_bus static inline unsigned long virt_to_bus(volatile void *address) { @@ -343,6 +358,7 @@ static inline void *bus_to_virt(unsigned long address) return (void *) address; } #endif +#endif #ifndef memset_io #define memset_io(a, b, c) memset(__io_virt(a), (b), (c)) diff --git a/include/asm-generic/pgtable.h b/include/asm-generic/pgtable.h index 5cf680a98f9b..bfd87685fc1f 100644 --- a/include/asm-generic/pgtable.h +++ b/include/asm-generic/pgtable.h @@ -197,16 +197,6 @@ static inline int pmd_same(pmd_t pmd_a, pmd_t pmd_b) #endif /* CONFIG_TRANSPARENT_HUGEPAGE */ #endif -#ifndef __HAVE_ARCH_PAGE_TEST_AND_CLEAR_DIRTY -#define page_test_and_clear_dirty(pfn, mapped) (0) -#endif - -#ifndef __HAVE_ARCH_PAGE_TEST_AND_CLEAR_DIRTY -#define pte_maybe_dirty(pte) pte_dirty(pte) -#else -#define pte_maybe_dirty(pte) (1) -#endif - #ifndef __HAVE_ARCH_PAGE_TEST_AND_CLEAR_YOUNG #define page_test_and_clear_young(pfn) (0) #endif diff --git a/include/asm-generic/syscalls.h b/include/asm-generic/syscalls.h index 1db51b8524e9..1f74be5113b2 100644 --- a/include/asm-generic/syscalls.h +++ b/include/asm-generic/syscalls.h @@ -21,24 +21,8 @@ asmlinkage long sys_mmap(unsigned long addr, unsigned long len, unsigned long fd, off_t pgoff); #endif -#ifndef CONFIG_GENERIC_SIGALTSTACK -#ifndef sys_sigaltstack -asmlinkage long sys_sigaltstack(const stack_t __user *, stack_t __user *, - struct pt_regs *); -#endif -#endif - #ifndef sys_rt_sigreturn asmlinkage long sys_rt_sigreturn(struct pt_regs *regs); #endif -#ifndef sys_rt_sigsuspend -asmlinkage long sys_rt_sigsuspend(sigset_t __user *unewset, size_t sigsetsize); -#endif - -#ifndef sys_rt_sigaction -asmlinkage long sys_rt_sigaction(int sig, const struct sigaction __user *act, - struct sigaction __user *oact, size_t sigsetsize); -#endif - #endif /* __ASM_GENERIC_SYSCALLS_H */ diff --git a/include/asm-generic/uaccess.h b/include/asm-generic/uaccess.h index 9788568f7978..c184aa8ec8cd 100644 --- a/include/asm-generic/uaccess.h +++ b/include/asm-generic/uaccess.h @@ -7,7 +7,6 @@ * address space, e.g. all NOMMU machines. */ #include <linux/sched.h> -#include <linux/mm.h> #include <linux/string.h> #include <asm/segment.h> @@ -32,7 +31,9 @@ static inline void set_fs(mm_segment_t fs) } #endif +#ifndef segment_eq #define segment_eq(a, b) ((a).seg == (b).seg) +#endif #define VERIFY_READ 0 #define VERIFY_WRITE 1 @@ -168,12 +169,18 @@ static inline __must_check long __copy_to_user(void __user *to, -EFAULT; \ }) +#ifndef __put_user_fn + static inline int __put_user_fn(size_t size, void __user *ptr, void *x) { size = __copy_to_user(ptr, x, size); return size ? -EFAULT : size; } +#define __put_user_fn(sz, u, k) __put_user_fn(sz, u, k) + +#endif + extern int __put_user_bad(void) __attribute__((noreturn)); #define __get_user(x, ptr) \ @@ -224,12 +231,17 @@ extern int __put_user_bad(void) __attribute__((noreturn)); -EFAULT; \ }) +#ifndef __get_user_fn static inline int __get_user_fn(size_t size, const void __user *ptr, void *x) { size = __copy_from_user(x, ptr, size); return size ? -EFAULT : size; } +#define __get_user_fn(sz, u, k) __get_user_fn(sz, u, k) + +#endif + extern int __get_user_bad(void) __attribute__((noreturn)); #ifndef __copy_from_user_inatomic diff --git a/include/asm-generic/unistd.h b/include/asm-generic/unistd.h index a36991ab334e..4077b5d9ff81 100644 --- a/include/asm-generic/unistd.h +++ b/include/asm-generic/unistd.h @@ -9,9 +9,6 @@ #define __ARCH_WANT_STAT64 #define __ARCH_WANT_SYS_LLSEEK #endif -#define __ARCH_WANT_SYS_RT_SIGACTION -#define __ARCH_WANT_SYS_RT_SIGSUSPEND -#define __ARCH_WANT_COMPAT_SYS_RT_SIGSUSPEND /* * "Conditional" syscalls @@ -20,5 +17,12 @@ * but it doesn't work on all toolchains, so we just do it by hand */ #ifndef cond_syscall -#define cond_syscall(x) asm(".weak\t" #x "\n\t.set\t" #x ",sys_ni_syscall") +#ifdef CONFIG_SYMBOL_PREFIX +#define __SYMBOL_PREFIX CONFIG_SYMBOL_PREFIX +#else +#define __SYMBOL_PREFIX +#endif +#define cond_syscall(x) asm(".weak\t" __SYMBOL_PREFIX #x "\n\t" \ + ".set\t" __SYMBOL_PREFIX #x "," \ + __SYMBOL_PREFIX "sys_ni_syscall") #endif diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h index d1ea7ce0b4cb..afa12c7a025c 100644 --- a/include/asm-generic/vmlinux.lds.h +++ b/include/asm-generic/vmlinux.lds.h @@ -149,6 +149,33 @@ #define TRACE_SYSCALLS() #endif +#ifdef CONFIG_CLKSRC_OF +#define CLKSRC_OF_TABLES() . = ALIGN(8); \ + VMLINUX_SYMBOL(__clksrc_of_table) = .; \ + *(__clksrc_of_table) \ + *(__clksrc_of_table_end) +#else +#define CLKSRC_OF_TABLES() +#endif + +#ifdef CONFIG_IRQCHIP +#define IRQCHIP_OF_MATCH_TABLE() \ + . = ALIGN(8); \ + VMLINUX_SYMBOL(__irqchip_begin) = .; \ + *(__irqchip_of_table) \ + *(__irqchip_of_end) +#else +#define IRQCHIP_OF_MATCH_TABLE() +#endif + +#ifdef CONFIG_COMMON_CLK +#define CLK_OF_TABLES() . = ALIGN(8); \ + VMLINUX_SYMBOL(__clk_of_table) = .; \ + *(__clk_of_table) \ + *(__clk_of_table_end) +#else +#define CLK_OF_TABLES() +#endif #define KERNEL_DTB() \ STRUCT_ALIGN(); \ @@ -493,7 +520,10 @@ DEV_DISCARD(init.rodata) \ CPU_DISCARD(init.rodata) \ MEM_DISCARD(init.rodata) \ - KERNEL_DTB() + CLK_OF_TABLES() \ + CLKSRC_OF_TABLES() \ + KERNEL_DTB() \ + IRQCHIP_OF_MATCH_TABLE() #define INIT_TEXT \ *(.init.text) \ |