diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/iomap.c | 32 | ||||
| -rw-r--r-- | lib/kobject.c | 50 | ||||
| -rw-r--r-- | lib/kobject_uevent.c | 28 | ||||
| -rw-r--r-- | lib/random32.c | 1 | ||||
| -rw-r--r-- | lib/textsearch.c | 2 |
5 files changed, 104 insertions, 9 deletions
diff --git a/lib/iomap.c b/lib/iomap.c index 55689c5d3379..d6ccdd85df53 100644 --- a/lib/iomap.c +++ b/lib/iomap.c @@ -50,6 +50,16 @@ } \ } while (0) +#ifndef pio_read16be +#define pio_read16be(port) swab16(inw(port)) +#define pio_read32be(port) swab32(inl(port)) +#endif + +#ifndef mmio_read16be +#define mmio_read16be(addr) be16_to_cpu(__raw_readw(addr)) +#define mmio_read32be(addr) be32_to_cpu(__raw_readl(addr)) +#endif + unsigned int fastcall ioread8(void __iomem *addr) { IO_COND(addr, return inb(port), return readb(addr)); @@ -60,7 +70,7 @@ unsigned int fastcall ioread16(void __iomem *addr) } unsigned int fastcall ioread16be(void __iomem *addr) { - IO_COND(addr, return inw(port), return be16_to_cpu(__raw_readw(addr))); + IO_COND(addr, return pio_read16be(port), return mmio_read16be(addr)); } unsigned int fastcall ioread32(void __iomem *addr) { @@ -68,7 +78,7 @@ unsigned int fastcall ioread32(void __iomem *addr) } unsigned int fastcall ioread32be(void __iomem *addr) { - IO_COND(addr, return inl(port), return be32_to_cpu(__raw_readl(addr))); + IO_COND(addr, return pio_read32be(port), return mmio_read32be(addr)); } EXPORT_SYMBOL(ioread8); EXPORT_SYMBOL(ioread16); @@ -76,6 +86,16 @@ EXPORT_SYMBOL(ioread16be); EXPORT_SYMBOL(ioread32); EXPORT_SYMBOL(ioread32be); +#ifndef pio_write16be +#define pio_write16be(val,port) outw(swab16(val),port) +#define pio_write32be(val,port) outl(swab32(val),port) +#endif + +#ifndef mmio_write16be +#define mmio_write16be(val,port) __raw_writew(be16_to_cpu(val),port) +#define mmio_write32be(val,port) __raw_writel(be32_to_cpu(val),port) +#endif + void fastcall iowrite8(u8 val, void __iomem *addr) { IO_COND(addr, outb(val,port), writeb(val, addr)); @@ -86,7 +106,7 @@ void fastcall iowrite16(u16 val, void __iomem *addr) } void fastcall iowrite16be(u16 val, void __iomem *addr) { - IO_COND(addr, outw(val,port), __raw_writew(cpu_to_be16(val), addr)); + IO_COND(addr, pio_write16be(val,port), mmio_write16be(val, addr)); } void fastcall iowrite32(u32 val, void __iomem *addr) { @@ -94,7 +114,7 @@ void fastcall iowrite32(u32 val, void __iomem *addr) } void fastcall iowrite32be(u32 val, void __iomem *addr) { - IO_COND(addr, outl(val,port), __raw_writel(cpu_to_be32(val), addr)); + IO_COND(addr, pio_write32be(val,port), mmio_write32be(val, addr)); } EXPORT_SYMBOL(iowrite8); EXPORT_SYMBOL(iowrite16); @@ -108,6 +128,7 @@ EXPORT_SYMBOL(iowrite32be); * convert to CPU byte order. We write in "IO byte * order" (we also don't have IO barriers). */ +#ifndef mmio_insb static inline void mmio_insb(void __iomem *addr, u8 *dst, int count) { while (--count >= 0) { @@ -132,7 +153,9 @@ static inline void mmio_insl(void __iomem *addr, u32 *dst, int count) dst++; } } +#endif +#ifndef mmio_outsb static inline void mmio_outsb(void __iomem *addr, const u8 *src, int count) { while (--count >= 0) { @@ -154,6 +177,7 @@ static inline void mmio_outsl(void __iomem *addr, const u32 *src, int count) src++; } } +#endif void fastcall ioread8_rep(void __iomem *addr, void *dst, unsigned long count) { diff --git a/lib/kobject.c b/lib/kobject.c index 7dd5c0e9d996..744a4b102c7f 100644 --- a/lib/kobject.c +++ b/lib/kobject.c @@ -311,6 +311,56 @@ int kobject_rename(struct kobject * kobj, const char *new_name) } /** + * kobject_move - move object to another parent + * @kobj: object in question. + * @new_parent: object's new parent + */ + +int kobject_move(struct kobject *kobj, struct kobject *new_parent) +{ + int error; + struct kobject *old_parent; + const char *devpath = NULL; + char *devpath_string = NULL; + char *envp[2]; + + kobj = kobject_get(kobj); + if (!kobj) + return -EINVAL; + new_parent = kobject_get(new_parent); + if (!new_parent) { + error = -EINVAL; + goto out; + } + /* old object path */ + devpath = kobject_get_path(kobj, GFP_KERNEL); + if (!devpath) { + error = -ENOMEM; + goto out; + } + devpath_string = kmalloc(strlen(devpath) + 15, GFP_KERNEL); + if (!devpath_string) { + error = -ENOMEM; + goto out; + } + sprintf(devpath_string, "DEVPATH_OLD=%s", devpath); + envp[0] = devpath_string; + envp[1] = NULL; + error = sysfs_move_dir(kobj, new_parent); + if (error) + goto out; + old_parent = kobj->parent; + kobj->parent = new_parent; + kobject_put(old_parent); + kobject_uevent_env(kobj, KOBJ_MOVE, envp); +out: + kobject_put(kobj); + kfree(devpath_string); + kfree(devpath); + return error; +} + +/** * kobject_del - unlink kobject from hierarchy. * @kobj: object. */ diff --git a/lib/kobject_uevent.c b/lib/kobject_uevent.c index 7f20e7b857cb..a1922765ff31 100644 --- a/lib/kobject_uevent.c +++ b/lib/kobject_uevent.c @@ -50,18 +50,22 @@ static char *action_to_string(enum kobject_action action) return "offline"; case KOBJ_ONLINE: return "online"; + case KOBJ_MOVE: + return "move"; default: return NULL; } } /** - * kobject_uevent - notify userspace by ending an uevent + * kobject_uevent_env - send an uevent with environmental data * - * @action: action that is happening (usually KOBJ_ADD and KOBJ_REMOVE) + * @action: action that is happening (usually KOBJ_MOVE) * @kobj: struct kobject that the action is happening to + * @envp_ext: pointer to environmental data */ -void kobject_uevent(struct kobject *kobj, enum kobject_action action) +void kobject_uevent_env(struct kobject *kobj, enum kobject_action action, + char *envp_ext[]) { char **envp; char *buffer; @@ -76,6 +80,7 @@ void kobject_uevent(struct kobject *kobj, enum kobject_action action) char *seq_buff; int i = 0; int retval; + int j; pr_debug("%s\n", __FUNCTION__); @@ -134,7 +139,8 @@ void kobject_uevent(struct kobject *kobj, enum kobject_action action) scratch += sprintf (scratch, "DEVPATH=%s", devpath) + 1; envp [i++] = scratch; scratch += sprintf(scratch, "SUBSYSTEM=%s", subsystem) + 1; - + for (j = 0; envp_ext && envp_ext[j]; j++) + envp[i++] = envp_ext[j]; /* just reserve the space, overwrite it after kset call has returned */ envp[i++] = seq_buff = scratch; scratch += strlen("SEQNUM=18446744073709551616") + 1; @@ -200,6 +206,20 @@ exit: kfree(envp); return; } + +EXPORT_SYMBOL_GPL(kobject_uevent_env); + +/** + * kobject_uevent - notify userspace by ending an uevent + * + * @action: action that is happening (usually KOBJ_ADD and KOBJ_REMOVE) + * @kobj: struct kobject that the action is happening to + */ +void kobject_uevent(struct kobject *kobj, enum kobject_action action) +{ + kobject_uevent_env(kobj, action, NULL); +} + EXPORT_SYMBOL_GPL(kobject_uevent); /** diff --git a/lib/random32.c b/lib/random32.c index 4a15ce51cea7..ec7f81d3fb18 100644 --- a/lib/random32.c +++ b/lib/random32.c @@ -36,6 +36,7 @@ #include <linux/types.h> #include <linux/percpu.h> #include <linux/module.h> +#include <linux/jiffies.h> #include <linux/random.h> struct rnd_state { diff --git a/lib/textsearch.c b/lib/textsearch.c index 2cb4a437942e..98bcadc01185 100644 --- a/lib/textsearch.c +++ b/lib/textsearch.c @@ -40,7 +40,7 @@ * configuration according to the specified parameters. * (3) User starts the search(es) by calling _find() or _next() to * fetch subsequent occurrences. A state variable is provided - * to the algorihtm to store persistant variables. + * to the algorihtm to store persistent variables. * (4) Core eventually resets the search offset and forwards the find() * request to the algorithm. * (5) Algorithm calls get_next_block() provided by the user continously |