X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fw1%2Fw1_family.c;h=4a099041f28a8a80a73b0d4d63da6be496efbdc8;hb=9301975ec251bab1ad7cfcb84a688b26187e4e4a;hp=0e32c114f906ecd7688e8f7118becda7f2997233;hpb=1ebbe2b20091d306453a5cf480a87e6cd28ae76f;p=linux-2.6-omap-h63xx.git diff --git a/drivers/w1/w1_family.c b/drivers/w1/w1_family.c index 0e32c114f90..4a099041f28 100644 --- a/drivers/w1/w1_family.c +++ b/drivers/w1/w1_family.c @@ -48,12 +48,12 @@ int w1_register_family(struct w1_family *newf) if (!ret) { atomic_set(&newf->refcnt, 0); - newf->need_exit = 0; list_add_tail(&newf->family_entry, &w1_families); } spin_unlock(&w1_flock); - w1_reconnect_slaves(newf); + /* check default devices against the new set of drivers */ + w1_reconnect_slaves(newf, 1); return ret; } @@ -72,11 +72,11 @@ void w1_unregister_family(struct w1_family *fent) break; } } - - fent->need_exit = 1; - spin_unlock(&w1_flock); + /* deatch devices using this family code */ + w1_reconnect_slaves(fent, 0); + while (atomic_read(&fent->refcnt)) { printk(KERN_INFO "Waiting for family %u to become free: refcnt=%d.\n", fent->fid, atomic_read(&fent->refcnt)); @@ -107,6 +107,11 @@ struct w1_family * w1_family_registered(u8 fid) return (ret) ? f : NULL; } +static void __w1_family_put(struct w1_family *f) +{ + atomic_dec(&f->refcnt); +} + void w1_family_put(struct w1_family *f) { spin_lock(&w1_flock); @@ -114,19 +119,14 @@ void w1_family_put(struct w1_family *f) spin_unlock(&w1_flock); } -void __w1_family_put(struct w1_family *f) -{ - if (atomic_dec_and_test(&f->refcnt)) - f->need_exit = 1; -} - +#if 0 void w1_family_get(struct w1_family *f) { spin_lock(&w1_flock); __w1_family_get(f); spin_unlock(&w1_flock); - } +#endif /* 0 */ void __w1_family_get(struct w1_family *f) { @@ -135,8 +135,5 @@ void __w1_family_get(struct w1_family *f) smp_mb__after_atomic_inc(); } -EXPORT_SYMBOL(w1_family_get); -EXPORT_SYMBOL(w1_family_put); -EXPORT_SYMBOL(w1_family_registered); EXPORT_SYMBOL(w1_unregister_family); EXPORT_SYMBOL(w1_register_family);