diff options
Diffstat (limited to 'drivers/nubus')
| -rw-r--r-- | drivers/nubus/nubus.c | 45 | ||||
| -rw-r--r-- | drivers/nubus/proc.c | 11 |
2 files changed, 15 insertions, 41 deletions
diff --git a/drivers/nubus/nubus.c b/drivers/nubus/nubus.c index 3657b13c0022..0bb54ccd7a1a 100644 --- a/drivers/nubus/nubus.c +++ b/drivers/nubus/nubus.c @@ -32,7 +32,7 @@ /* Globals */ -struct nubus_rsrc *nubus_func_rsrcs; +LIST_HEAD(nubus_func_rsrcs); struct nubus_board *nubus_boards; /* Meaning of "bytelanes": @@ -305,33 +305,20 @@ EXPORT_SYMBOL(nubus_rewinddir); /* Driver interface functions, more or less like in pci.c */ -struct nubus_rsrc *nubus_find_type(unsigned short category, unsigned short type, - const struct nubus_rsrc *from) +struct nubus_rsrc *nubus_first_rsrc_or_null(void) { - struct nubus_rsrc *itor = from ? from->next : nubus_func_rsrcs; - - while (itor) { - if (itor->category == category && itor->type == type) - return itor; - itor = itor->next; - } - return NULL; + return list_first_entry_or_null(&nubus_func_rsrcs, struct nubus_rsrc, + list); } -EXPORT_SYMBOL(nubus_find_type); +EXPORT_SYMBOL(nubus_first_rsrc_or_null); -struct nubus_rsrc *nubus_find_slot(unsigned int slot, - const struct nubus_rsrc *from) +struct nubus_rsrc *nubus_next_rsrc_or_null(struct nubus_rsrc *from) { - struct nubus_rsrc *itor = from ? from->next : nubus_func_rsrcs; - - while (itor) { - if (itor->board->slot == slot) - return itor; - itor = itor->next; - } - return NULL; + if (list_is_last(&from->list, &nubus_func_rsrcs)) + return NULL; + return list_next_entry(from, list); } -EXPORT_SYMBOL(nubus_find_slot); +EXPORT_SYMBOL(nubus_next_rsrc_or_null); int nubus_find_rsrc(struct nubus_dir *dir, unsigned char rsrc_type, @@ -819,7 +806,6 @@ static struct nubus_board * __init nubus_add_board(int slot, int bytelanes) while (nubus_readdir(&dir, &ent) != -1) { struct nubus_rsrc *fres; - struct nubus_rsrc **fresp; fres = nubus_get_functional_resource(board, slot, &ent); if (fres == NULL) @@ -834,16 +820,7 @@ static struct nubus_board * __init nubus_add_board(int slot, int bytelanes) } prev_resid = fres->resid; - /* We zeroed this out above */ - if (board->first_func_rsrc == NULL) - board->first_func_rsrc = fres; - - /* Put it on the func. resource list. Keep entries in order. */ - for (fresp = &nubus_func_rsrcs; *fresp != NULL; - fresp = &((*fresp)->next)) - /* spin */; - *fresp = fres; - fres->next = NULL; + list_add_tail(&fres->list, &nubus_func_rsrcs); } /* Put it on the global NuBus board chain. Keep entries in order. */ diff --git a/drivers/nubus/proc.c b/drivers/nubus/proc.c index f2b118330be0..60c0f40b4d5e 100644 --- a/drivers/nubus/proc.c +++ b/drivers/nubus/proc.c @@ -36,15 +36,12 @@ static int nubus_devices_proc_show(struct seq_file *m, void *v) { - struct nubus_rsrc *fres = nubus_func_rsrcs; + struct nubus_rsrc *fres; - while (fres) { - seq_printf(m, "%x\t%04x %04x %04x %04x", + for_each_func_rsrc(fres) + seq_printf(m, "%x\t%04x %04x %04x %04x\t%08lx\n", fres->board->slot, fres->category, fres->type, - fres->dr_sw, fres->dr_hw); - seq_printf(m, "\t%08lx\n", fres->board->slot_addr); - fres = fres->next; - } + fres->dr_sw, fres->dr_hw, fres->board->slot_addr); return 0; } |