X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fmacintosh%2Fadb.c;h=7cec6de5e2b0704b1a74cfa0d4851d7dda72f983;hb=refs%2Fheads%2Fvserver;hp=b7cc2da372f44345e770504e0156ba6df2b55eb0;hpb=9bf4aaab3e101692164d49b7ca357651eb691cb6;p=linux-2.6.git diff --git a/drivers/macintosh/adb.c b/drivers/macintosh/adb.c index b7cc2da37..7cec6de5e 100644 --- a/drivers/macintosh/adb.c +++ b/drivers/macintosh/adb.c @@ -16,7 +16,6 @@ * - move bus probe to a kernel thread */ -#include #include #include #include @@ -36,12 +35,12 @@ #include #include #include -#include #include #include #ifdef CONFIG_PPC #include +#include #endif @@ -77,10 +76,10 @@ static struct adb_driver *adb_driver_list[] = { NULL }; -static struct class_simple *adb_dev_class; +static struct class *adb_dev_class; struct adb_driver *adb_controller; -struct notifier_block *adb_client_list = NULL; +BLOCKING_NOTIFIER_HEAD(adb_client_list); static int adb_got_sleep; static int adb_inited; static pid_t adb_probe_task_pid; @@ -90,7 +89,7 @@ static int sleepy_trackpad; static int autopoll_devs; int __adb_probe_sync; -#ifdef CONFIG_PMAC_PBOOK +#ifdef CONFIG_PM static int adb_notify_sleep(struct pmu_sleep_notifier *self, int when); static struct pmu_sleep_notifier adb_sleep_notifier = { adb_notify_sleep, @@ -104,7 +103,7 @@ static void adbdev_init(void); static int try_handler_change(int, int); static struct adb_handler { - void (*handler)(unsigned char *, int, struct pt_regs *, int); + void (*handler)(unsigned char *, int, int); int original_address; int handler_id; int busy; @@ -120,7 +119,7 @@ static struct adb_handler { * called. */ static DECLARE_MUTEX(adb_handler_sem); -static rwlock_t adb_handler_lock = RW_LOCK_UNLOCKED; +static DEFINE_RWLOCK(adb_handler_lock); #if 0 static void printADBreply(struct adb_request *req) @@ -268,12 +267,12 @@ adb_probe_task(void *x) } static void -__adb_probe_task(void *data) +__adb_probe_task(struct work_struct *bullshit) { adb_probe_task_pid = kernel_thread(adb_probe_task, NULL, SIGCHLD | CLONE_KERNEL); } -static DECLARE_WORK(adb_reset_work, __adb_probe_task, NULL); +static DECLARE_WORK(adb_reset_work, __adb_probe_task); int adb_reset_bus(void) @@ -294,7 +293,7 @@ int __init adb_init(void) int i; #ifdef CONFIG_PPC32 - if ( (_machine != _MACH_chrp) && (_machine != _MACH_Pmac) ) + if (!machine_is(chrp) && !machine_is(powermac)) return 0; #endif #ifdef CONFIG_MAC @@ -320,9 +319,9 @@ int __init adb_init(void) printk(KERN_WARNING "Warning: no ADB interface detected\n"); adb_controller = NULL; } else { -#ifdef CONFIG_PMAC_PBOOK +#ifdef CONFIG_PM pmu_register_sleep_notifier(&adb_sleep_notifier); -#endif /* CONFIG_PMAC_PBOOK */ +#endif /* CONFIG_PM */ #ifdef CONFIG_PPC if (machine_is_compatible("AAPL,PowerBook1998") || machine_is_compatible("PowerBook1,1")) @@ -337,7 +336,7 @@ int __init adb_init(void) __initcall(adb_init); -#ifdef CONFIG_PMAC_PBOOK +#ifdef CONFIG_PM /* * notify clients before sleep and reset bus afterwards */ @@ -354,7 +353,8 @@ adb_notify_sleep(struct pmu_sleep_notifier *self, int when) /* Stop autopoll */ if (adb_controller->autopoll) adb_controller->autopoll(0); - ret = notifier_call_chain(&adb_client_list, ADB_MSG_POWERDOWN, NULL); + ret = blocking_notifier_call_chain(&adb_client_list, + ADB_MSG_POWERDOWN, NULL); if (ret & NOTIFY_STOP_MASK) { up(&adb_probe_mutex); return PBOOK_SLEEP_REFUSE; @@ -378,7 +378,7 @@ adb_notify_sleep(struct pmu_sleep_notifier *self, int when) } return PBOOK_SLEEP_OK; } -#endif /* CONFIG_PMAC_PBOOK */ +#endif /* CONFIG_PM */ static int do_adb_reset_bus(void) @@ -391,7 +391,8 @@ do_adb_reset_bus(void) if (adb_controller->autopoll) adb_controller->autopoll(0); - nret = notifier_call_chain(&adb_client_list, ADB_MSG_PRE_RESET, NULL); + nret = blocking_notifier_call_chain(&adb_client_list, + ADB_MSG_PRE_RESET, NULL); if (nret & NOTIFY_STOP_MASK) { if (adb_controller->autopoll) adb_controller->autopoll(autopoll_devs); @@ -426,7 +427,8 @@ do_adb_reset_bus(void) } up(&adb_handler_sem); - nret = notifier_call_chain(&adb_client_list, ADB_MSG_POST_RESET, NULL); + nret = blocking_notifier_call_chain(&adb_client_list, + ADB_MSG_POST_RESET, NULL); if (nret & NOTIFY_STOP_MASK) return -EBUSY; @@ -520,7 +522,7 @@ bail: the handler_id id it doesn't match. */ int adb_register(int default_id, int handler_id, struct adb_ids *ids, - void (*handler)(unsigned char *, int, struct pt_regs *, int)) + void (*handler)(unsigned char *, int, int)) { int i; @@ -568,13 +570,13 @@ adb_unregister(int index) } void -adb_input(unsigned char *buf, int nb, struct pt_regs *regs, int autopoll) +adb_input(unsigned char *buf, int nb, int autopoll) { int i, id; static int dump_adb_input = 0; unsigned long flags; - void (*handler)(unsigned char *, int, struct pt_regs *, int); + void (*handler)(unsigned char *, int, int); /* We skip keystrokes and mouse moves when the sleep process * has been started. We stop autopoll, but this is another security @@ -595,7 +597,7 @@ adb_input(unsigned char *buf, int nb, struct pt_regs *regs, int autopoll) adb_handler[id].busy = 1; write_unlock_irqrestore(&adb_handler_lock, flags); if (handler != NULL) { - (*handler)(buf, nb, regs, autopoll); + (*handler)(buf, nb, autopoll); wmb(); adb_handler[id].busy = 0; } @@ -755,7 +757,7 @@ static int adb_release(struct inode *inode, struct file *file) static ssize_t adb_read(struct file *file, char __user *buf, size_t count, loff_t *ppos) { - int ret; + int ret = 0; struct adbdev_state *state = file->private_data; struct adb_request *req; wait_queue_t wait = __WAITQUEUE_INITIALIZER(wait,current); @@ -765,9 +767,8 @@ static ssize_t adb_read(struct file *file, char __user *buf, return -EINVAL; if (count > sizeof(req->reply)) count = sizeof(req->reply); - ret = verify_area(VERIFY_WRITE, buf, count); - if (ret) - return ret; + if (!access_ok(VERIFY_WRITE, buf, count)) + return -EFAULT; req = NULL; spin_lock_irqsave(&state->lock, flags); @@ -824,11 +825,10 @@ static ssize_t adb_write(struct file *file, const char __user *buf, return -EINVAL; if (adb_controller == NULL) return -ENXIO; - ret = verify_area(VERIFY_READ, buf, count); - if (ret) - return ret; + if (!access_ok(VERIFY_READ, buf, count)) + return -EFAULT; - req = (struct adb_request *) kmalloc(sizeof(struct adb_request), + req = kmalloc(sizeof(struct adb_request), GFP_KERNEL); if (req == NULL) return -ENOMEM; @@ -902,11 +902,8 @@ adbdev_init(void) return; } - devfs_mk_cdev(MKDEV(ADB_MAJOR, 0), S_IFCHR | S_IRUSR | S_IWUSR, "adb"); - - adb_dev_class = class_simple_create(THIS_MODULE, "adb"); - if (IS_ERR(adb_dev_class)) { + adb_dev_class = class_create(THIS_MODULE, "adb"); + if (IS_ERR(adb_dev_class)) return; - } - class_simple_device_add(adb_dev_class, MKDEV(ADB_MAJOR, 0), NULL, "adb"); + class_device_create(adb_dev_class, NULL, MKDEV(ADB_MAJOR, 0), NULL, "adb"); }