diff options
Diffstat (limited to 'include/asm-generic')
| -rw-r--r-- | include/asm-generic/Kbuild.asm | 6 | ||||
| -rw-r--r-- | include/asm-generic/bug.h | 12 | ||||
| -rw-r--r-- | include/asm-generic/gpio.h | 18 | ||||
| -rw-r--r-- | include/asm-generic/sections.h | 6 | ||||
| -rw-r--r-- | include/asm-generic/siginfo.h | 2 | ||||
| -rw-r--r-- | include/asm-generic/statfs.h | 65 | ||||
| -rw-r--r-- | include/asm-generic/syscall.h | 2 | ||||
| -rw-r--r-- | include/asm-generic/vmlinux.lds.h | 11 |
8 files changed, 99 insertions, 23 deletions
diff --git a/include/asm-generic/Kbuild.asm b/include/asm-generic/Kbuild.asm index 1170dc60e63..1870d5e05f1 100644 --- a/include/asm-generic/Kbuild.asm +++ b/include/asm-generic/Kbuild.asm @@ -1,8 +1,10 @@ -ifneq ($(wildcard $(srctree)/include/asm-$(SRCARCH)/kvm.h),) +ifneq ($(wildcard $(srctree)/arch/$(SRCARCH)/include/asm/kvm.h \ + $(srctree)/include/asm-$(SRCARCH)/kvm.h),) header-y += kvm.h endif -ifneq ($(wildcard $(srctree)/include/asm-$(SRCARCH)/a.out.h),) +ifneq ($(wildcard $(srctree)/arch/$(SRCARCH)/include/asm/a.out.h \ + $(srctree)/include/asm-$(SRCARCH)/a.out.h),) unifdef-y += a.out.h endif unifdef-y += auxvec.h diff --git a/include/asm-generic/bug.h b/include/asm-generic/bug.h index a3f738cffdb..0f6dabd4b51 100644 --- a/include/asm-generic/bug.h +++ b/include/asm-generic/bug.h @@ -22,7 +22,7 @@ struct bug_entry { #ifndef HAVE_ARCH_BUG #define BUG() do { \ - printk("BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __FUNCTION__); \ + printk("BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __func__); \ panic("BUG!"); \ } while (0) #endif @@ -97,6 +97,16 @@ extern void warn_slowpath(const char *file, const int line, unlikely(__ret_warn_once); \ }) +#define WARN_ONCE(condition, format...) ({ \ + static int __warned; \ + int __ret_warn_once = !!(condition); \ + \ + if (unlikely(__ret_warn_once)) \ + if (WARN(!__warned, format)) \ + __warned = 1; \ + unlikely(__ret_warn_once); \ +}) + #define WARN_ON_RATELIMIT(condition, state) \ WARN_ON((condition) && __ratelimit(state)) diff --git a/include/asm-generic/gpio.h b/include/asm-generic/gpio.h index 0f99ad38b01..81797ec9ab2 100644 --- a/include/asm-generic/gpio.h +++ b/include/asm-generic/gpio.h @@ -35,11 +35,17 @@ struct module; * @label: for diagnostics * @dev: optional device providing the GPIOs * @owner: helps prevent removal of modules exporting active GPIOs + * @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 + * disabling module power and clock; may sleep * @direction_input: configures signal "offset" as input, or returns error * @get: returns value for signal "offset"; for output signals this * returns either the value actually sensed, or zero * @direction_output: configures signal "offset" as output, or returns error * @set: assigns output value for signal "offset" + * @to_irq: optional hook supporting non-static gpio_to_irq() mappings; + * implementation may not sleep * @dbg_show: optional routine to show contents in debugfs; default code * will be used when this is omitted, but custom code can show extra * state (such as pullup/pulldown configuration). @@ -61,10 +67,15 @@ struct module; * is calculated by subtracting @base from the gpio number. */ struct gpio_chip { - char *label; + const char *label; struct device *dev; struct module *owner; + int (*request)(struct gpio_chip *chip, + unsigned offset); + void (*free)(struct gpio_chip *chip, + unsigned offset); + int (*direction_input)(struct gpio_chip *chip, unsigned offset); int (*get)(struct gpio_chip *chip, @@ -73,6 +84,10 @@ struct gpio_chip { unsigned offset, int value); void (*set)(struct gpio_chip *chip, unsigned offset, int value); + + int (*to_irq)(struct gpio_chip *chip, + unsigned offset); + void (*dbg_show)(struct seq_file *s, struct gpio_chip *chip); int base; @@ -112,6 +127,7 @@ extern void __gpio_set_value(unsigned gpio, int value); extern int __gpio_cansleep(unsigned gpio); +extern int __gpio_to_irq(unsigned gpio); #ifdef CONFIG_GPIO_SYSFS diff --git a/include/asm-generic/sections.h b/include/asm-generic/sections.h index 8feeae1f236..79a7ff925bf 100644 --- a/include/asm-generic/sections.h +++ b/include/asm-generic/sections.h @@ -14,4 +14,10 @@ extern char __kprobes_text_start[], __kprobes_text_end[]; extern char __initdata_begin[], __initdata_end[]; extern char __start_rodata[], __end_rodata[]; +/* function descriptor handling (if any). Override + * in asm/sections.h */ +#ifndef dereference_function_descriptor +#define dereference_function_descriptor(p) (p) +#endif + #endif /* _ASM_GENERIC_SECTIONS_H_ */ diff --git a/include/asm-generic/siginfo.h b/include/asm-generic/siginfo.h index 8786e01e0db..969570167e9 100644 --- a/include/asm-generic/siginfo.h +++ b/include/asm-generic/siginfo.h @@ -199,6 +199,8 @@ typedef struct siginfo { */ #define TRAP_BRKPT (__SI_FAULT|1) /* process breakpoint */ #define TRAP_TRACE (__SI_FAULT|2) /* process trace trap */ +#define TRAP_BRANCH (__SI_FAULT|3) /* process taken branch trap */ +#define TRAP_HWBKPT (__SI_FAULT|4) /* hardware breakpoint/watchpoint */ #define NSIGTRAP 2 /* diff --git a/include/asm-generic/statfs.h b/include/asm-generic/statfs.h index 1d01043e797..6129d680214 100644 --- a/include/asm-generic/statfs.h +++ b/include/asm-generic/statfs.h @@ -6,33 +6,64 @@ typedef __kernel_fsid_t fsid_t; #endif +/* + * Most 64-bit platforms use 'long', while most 32-bit platforms use '__u32'. + * Yes, they differ in signedness as well as size. + * Special cases can override it for themselves -- except for S390x, which + * is just a little too special for us. And MIPS, which I'm not touching + * with a 10' pole. + */ +#ifndef __statfs_word +#if BITS_PER_LONG == 64 +#define __statfs_word long +#else +#define __statfs_word __u32 +#endif +#endif + struct statfs { - __u32 f_type; - __u32 f_bsize; - __u32 f_blocks; - __u32 f_bfree; - __u32 f_bavail; - __u32 f_files; - __u32 f_ffree; + __statfs_word f_type; + __statfs_word f_bsize; + __statfs_word f_blocks; + __statfs_word f_bfree; + __statfs_word f_bavail; + __statfs_word f_files; + __statfs_word f_ffree; __kernel_fsid_t f_fsid; - __u32 f_namelen; - __u32 f_frsize; - __u32 f_spare[5]; + __statfs_word f_namelen; + __statfs_word f_frsize; + __statfs_word f_spare[5]; }; +/* + * ARM needs to avoid the 32-bit padding at the end, for consistency + * between EABI and OABI + */ +#ifndef ARCH_PACK_STATFS64 +#define ARCH_PACK_STATFS64 +#endif + struct statfs64 { - __u32 f_type; - __u32 f_bsize; + __statfs_word f_type; + __statfs_word f_bsize; __u64 f_blocks; __u64 f_bfree; __u64 f_bavail; __u64 f_files; __u64 f_ffree; __kernel_fsid_t f_fsid; - __u32 f_namelen; - __u32 f_frsize; - __u32 f_spare[5]; -}; + __statfs_word f_namelen; + __statfs_word f_frsize; + __statfs_word f_spare[5]; +} ARCH_PACK_STATFS64; + +/* + * IA64 and x86_64 need to avoid the 32-bit padding at the end, + * to be compatible with the i386 ABI + */ +#ifndef ARCH_PACK_COMPAT_STATFS64 +#define ARCH_PACK_COMPAT_STATFS64 +#endif struct compat_statfs64 { __u32 f_type; @@ -46,6 +77,6 @@ struct compat_statfs64 { __u32 f_namelen; __u32 f_frsize; __u32 f_spare[5]; -}; +} ARCH_PACK_COMPAT_STATFS64; #endif diff --git a/include/asm-generic/syscall.h b/include/asm-generic/syscall.h index abcf34c2fdc..ea8087b55ff 100644 --- a/include/asm-generic/syscall.h +++ b/include/asm-generic/syscall.h @@ -126,7 +126,7 @@ void syscall_get_arguments(struct task_struct *task, struct pt_regs *regs, * @args: array of argument values to store * * Changes @n arguments to the system call starting with the @i'th argument. - * @n'th argument to @val. Argument @i gets value @args[0], and so on. + * Argument @i gets value @args[0], and so on. * An arch inline version is probably optimal when @i and @n are constants. * * It's only valid to call this when @task is stopped for tracing on diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h index cb752ba7246..74c5faf26c0 100644 --- a/include/asm-generic/vmlinux.lds.h +++ b/include/asm-generic/vmlinux.lds.h @@ -268,7 +268,15 @@ CPU_DISCARD(init.data) \ CPU_DISCARD(init.rodata) \ MEM_DISCARD(init.data) \ - MEM_DISCARD(init.rodata) + MEM_DISCARD(init.rodata) \ + /* implement dynamic printk debug */ \ + VMLINUX_SYMBOL(__start___verbose_strings) = .; \ + *(__verbose_strings) \ + VMLINUX_SYMBOL(__stop___verbose_strings) = .; \ + . = ALIGN(8); \ + VMLINUX_SYMBOL(__start___verbose) = .; \ + *(__verbose) \ + VMLINUX_SYMBOL(__stop___verbose) = .; #define INIT_TEXT \ *(.init.text) \ @@ -385,6 +393,7 @@ . = ALIGN(align); \ VMLINUX_SYMBOL(__per_cpu_start) = .; \ .data.percpu : AT(ADDR(.data.percpu) - LOAD_OFFSET) { \ + *(.data.percpu.page_aligned) \ *(.data.percpu) \ *(.data.percpu.shared_aligned) \ } \ |