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nubus: Rename struct nubus_dev

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It is misleading to call a functional resource a "device". In adopting
the Linux Driver Model, the struct device will be embedded in struct
nubus_board. That will compound the terminlogy problem because drivers
will bind with boards, not with functional resources. Avoid this by
renaming struct nubus_dev as struct nubus_rsrc. "Functional resource"
is the vendor's terminology so this helps avoid confusion.

Cc: "David S. Miller" <davem@davemloft.net>
Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Acked-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Tested-by: Stan Johnson <userm57@yahoo.com>
Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
This commit is contained in:
Finn Thain 2018-01-13 17:37:13 -05:00 committed by Geert Uytterhoeven
parent 2f7dd07eca
commit 189e19e8cb
6 changed files with 98 additions and 102 deletions
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26
drivers/net/ethernet/8390/mac8390.c
View File

@ -123,7 +123,8 @@ enum mac8390_access {
};
extern int mac8390_memtest(struct net_device *dev);
static int mac8390_initdev(struct net_device *dev, struct nubus_dev *ndev,
static int mac8390_initdev(struct net_device *dev,
struct nubus_rsrc *ndev,
enum mac8390_type type);
static int mac8390_open(struct net_device *dev);
@ -169,11 +170,11 @@ static void word_memcpy_tocard(unsigned long tp, const void *fp, int count);
static void word_memcpy_fromcard(void *tp, unsigned long fp, int count);
static u32 mac8390_msg_enable;
static enum mac8390_type __init mac8390_ident(struct nubus_dev *dev)
static enum mac8390_type __init mac8390_ident(struct nubus_rsrc *fres)
{
switch (dev->dr_sw) {
switch (fres->dr_sw) {
case NUBUS_DRSW_3COM:
switch (dev->dr_hw) {
switch (fres->dr_hw) {
case NUBUS_DRHW_APPLE_SONIC_NB:
case NUBUS_DRHW_APPLE_SONIC_LC:
case NUBUS_DRHW_SONNET:
@ -184,7 +185,7 @@ static enum mac8390_type __init mac8390_ident(struct nubus_dev *dev)
break;
case NUBUS_DRSW_APPLE:
switch (dev->dr_hw) {
switch (fres->dr_hw) {
case NUBUS_DRHW_ASANTE_LC:
return MAC8390_NONE;
case NUBUS_DRHW_CABLETRON:
@ -201,7 +202,7 @@ static enum mac8390_type __init mac8390_ident(struct nubus_dev *dev)
case NUBUS_DRSW_TECHWORKS:
case NUBUS_DRSW_DAYNA2:
case NUBUS_DRSW_DAYNA_LC:
if (dev->dr_hw == NUBUS_DRHW_CABLETRON)
if (fres->dr_hw == NUBUS_DRHW_CABLETRON)
return MAC8390_CABLETRON;
else
return MAC8390_APPLE;
@ -212,7 +213,7 @@ static enum mac8390_type __init mac8390_ident(struct nubus_dev *dev)
break;
case NUBUS_DRSW_KINETICS:
switch (dev->dr_hw) {
switch (fres->dr_hw) {
case NUBUS_DRHW_INTERLAN:
return MAC8390_INTERLAN;
default:
@ -225,8 +226,8 @@ static enum mac8390_type __init mac8390_ident(struct nubus_dev *dev)
* These correspond to Dayna Sonic cards
* which use the macsonic driver
*/
if (dev->dr_hw == NUBUS_DRHW_SMC9194 ||
dev->dr_hw == NUBUS_DRHW_INTERLAN)
if (fres->dr_hw == NUBUS_DRHW_SMC9194 ||
fres->dr_hw == NUBUS_DRHW_INTERLAN)
return MAC8390_NONE;
else
return MAC8390_DAYNA;
@ -289,7 +290,8 @@ static int __init mac8390_memsize(unsigned long membase)
return i * 0x1000;
}
static bool __init mac8390_init(struct net_device *dev, struct nubus_dev *ndev,
static bool __init mac8390_init(struct net_device *dev,
struct nubus_rsrc *ndev,
enum mac8390_type cardtype)
{
struct nubus_dir dir;
@ -394,7 +396,7 @@ static bool __init mac8390_init(struct net_device *dev, struct nubus_dev *ndev,
struct net_device * __init mac8390_probe(int unit)
{
struct net_device *dev;
struct nubus_dev *ndev = NULL;
struct nubus_rsrc *ndev = NULL;
int err = -ENODEV;
struct ei_device *ei_local;
@ -489,7 +491,7 @@ static const struct net_device_ops mac8390_netdev_ops = {
};
static int __init mac8390_initdev(struct net_device *dev,
struct nubus_dev *ndev,
struct nubus_rsrc *ndev,
enum mac8390_type type)
{
static u32 fwrd4_offsets[16] = {

22
drivers/net/ethernet/natsemi/macsonic.c
View File

@ -428,26 +428,26 @@ static int mac_nubus_sonic_ethernet_addr(struct net_device *dev,
return 0;
}
static int macsonic_ident(struct nubus_dev *ndev)
static int macsonic_ident(struct nubus_rsrc *fres)
{
if (ndev->dr_hw == NUBUS_DRHW_ASANTE_LC &&
ndev->dr_sw == NUBUS_DRSW_SONIC_LC)
if (fres->dr_hw == NUBUS_DRHW_ASANTE_LC &&
fres->dr_sw == NUBUS_DRSW_SONIC_LC)
return MACSONIC_DAYNALINK;
if (ndev->dr_hw == NUBUS_DRHW_SONIC &&
ndev->dr_sw == NUBUS_DRSW_APPLE) {
if (fres->dr_hw == NUBUS_DRHW_SONIC &&
fres->dr_sw == NUBUS_DRSW_APPLE) {
/* There has to be a better way to do this... */
if (strstr(ndev->board->name, "DuoDock"))
if (strstr(fres->board->name, "DuoDock"))
return MACSONIC_DUODOCK;
else
return MACSONIC_APPLE;
}
if (ndev->dr_hw == NUBUS_DRHW_SMC9194 &&
ndev->dr_sw == NUBUS_DRSW_DAYNA)
if (fres->dr_hw == NUBUS_DRHW_SMC9194 &&
fres->dr_sw == NUBUS_DRSW_DAYNA)
return MACSONIC_DAYNA;
if (ndev->dr_hw == NUBUS_DRHW_APPLE_SONIC_LC &&
ndev->dr_sw == 0) { /* huh? */
if (fres->dr_hw == NUBUS_DRHW_APPLE_SONIC_LC &&
fres->dr_sw == 0) { /* huh? */
return MACSONIC_APPLE16;
}
return -1;
@ -456,7 +456,7 @@ static int macsonic_ident(struct nubus_dev *ndev)
static int mac_nubus_sonic_probe(struct net_device *dev)
{
static int slots;
struct nubus_dev* ndev = NULL;
struct nubus_rsrc *ndev = NULL;
struct sonic_local* lp = netdev_priv(dev);
unsigned long base_addr, prom_addr;
u16 sonic_dcr;

105
drivers/nubus/nubus.c
View File

@ -32,7 +32,7 @@
/* Globals */
struct nubus_dev *nubus_devices;
struct nubus_rsrc *nubus_func_rsrcs;
struct nubus_board *nubus_boards;
/* Meaning of "bytelanes":
@ -228,12 +228,11 @@ int nubus_get_root_dir(const struct nubus_board *board,
EXPORT_SYMBOL(nubus_get_root_dir);
/* This is a slyly renamed version of the above */
int nubus_get_func_dir(const struct nubus_dev *dev,
struct nubus_dir *dir)
int nubus_get_func_dir(const struct nubus_rsrc *fres, struct nubus_dir *dir)
{
dir->ptr = dir->base = dev->directory;
dir->ptr = dir->base = fres->directory;
dir->done = 0;
dir->mask = dev->board->lanes;
dir->mask = fres->board->lanes;
return 0;
}
EXPORT_SYMBOL(nubus_get_func_dir);
@ -306,11 +305,10 @@ EXPORT_SYMBOL(nubus_rewinddir);
/* Driver interface functions, more or less like in pci.c */
struct nubus_dev*
nubus_find_type(unsigned short category, unsigned short type,
const struct nubus_dev *from)
struct nubus_rsrc *nubus_find_type(unsigned short category, unsigned short type,
const struct nubus_rsrc *from)
{
struct nubus_dev *itor = from ? from->next : nubus_devices;
struct nubus_rsrc *itor = from ? from->next : nubus_func_rsrcs;
while (itor) {
if (itor->category == category && itor->type == type)
@ -321,10 +319,10 @@ nubus_find_type(unsigned short category, unsigned short type,
}
EXPORT_SYMBOL(nubus_find_type);
struct nubus_dev*
nubus_find_slot(unsigned int slot, const struct nubus_dev *from)
struct nubus_rsrc *nubus_find_slot(unsigned int slot,
const struct nubus_rsrc *from)
{
struct nubus_dev *itor = from ? from->next : nubus_devices;
struct nubus_rsrc *itor = from ? from->next : nubus_func_rsrcs;
while (itor) {
if (itor->board->slot == slot)
@ -403,19 +401,19 @@ static int __init nubus_get_display_vidmode(struct nubus_board *board,
return 0;
}
static int __init nubus_get_display_resource(struct nubus_dev *dev,
static int __init nubus_get_display_resource(struct nubus_rsrc *fres,
struct proc_dir_entry *procdir,
const struct nubus_dirent *ent)
{
switch (ent->type) {
case NUBUS_RESID_GAMMADIR:
pr_debug(" gamma directory offset: 0x%06x\n", ent->data);
nubus_get_block_rsrc_dir(dev->board, procdir, ent);
nubus_get_block_rsrc_dir(fres->board, procdir, ent);
break;
case 0x0080 ... 0x0085:
pr_debug(" mode 0x%02x info offset: 0x%06x\n",
ent->type, ent->data);
nubus_get_display_vidmode(dev->board, procdir, ent);
nubus_get_display_vidmode(fres->board, procdir, ent);
break;
default:
pr_debug(" unknown resource 0x%02x, data 0x%06x\n",
@ -425,7 +423,7 @@ static int __init nubus_get_display_resource(struct nubus_dev *dev,
return 0;
}
static int __init nubus_get_network_resource(struct nubus_dev *dev,
static int __init nubus_get_network_resource(struct nubus_rsrc *fres,
struct proc_dir_entry *procdir,
const struct nubus_dirent *ent)
{
@ -447,7 +445,7 @@ static int __init nubus_get_network_resource(struct nubus_dev *dev,
return 0;
}
static int __init nubus_get_cpu_resource(struct nubus_dev *dev,
static int __init nubus_get_cpu_resource(struct nubus_rsrc *fres,
struct proc_dir_entry *procdir,
const struct nubus_dirent *ent)
{
@ -480,19 +478,19 @@ static int __init nubus_get_cpu_resource(struct nubus_dev *dev,
return 0;
}
static int __init nubus_get_private_resource(struct nubus_dev *dev,
static int __init nubus_get_private_resource(struct nubus_rsrc *fres,
struct proc_dir_entry *procdir,
const struct nubus_dirent *ent)
{
switch (dev->category) {
switch (fres->category) {
case NUBUS_CAT_DISPLAY:
nubus_get_display_resource(dev, procdir, ent);
nubus_get_display_resource(fres, procdir, ent);
break;
case NUBUS_CAT_NETWORK:
nubus_get_network_resource(dev, procdir, ent);
nubus_get_network_resource(fres, procdir, ent);
break;
case NUBUS_CAT_CPU:
nubus_get_cpu_resource(dev, procdir, ent);
nubus_get_cpu_resource(fres, procdir, ent);
break;
default:
pr_debug(" unknown resource 0x%02x, data 0x%06x\n",
@ -502,24 +500,25 @@ static int __init nubus_get_private_resource(struct nubus_dev *dev,
return 0;
}
static struct nubus_dev * __init
static struct nubus_rsrc * __init
nubus_get_functional_resource(struct nubus_board *board, int slot,
const struct nubus_dirent *parent)
{
struct nubus_dir dir;
struct nubus_dirent ent;
struct nubus_dev *dev;
struct nubus_rsrc *fres;
pr_debug(" Functional resource 0x%02x:\n", parent->type);
nubus_get_subdir(parent, &dir);
dir.procdir = nubus_proc_add_rsrc_dir(board->procdir, parent, board);
/* Actually we should probably panic if this fails */
if ((dev = kzalloc(sizeof(*dev), GFP_ATOMIC)) == NULL)
fres = kzalloc(sizeof(*fres), GFP_ATOMIC);
if (!fres)
return NULL;
dev->resid = parent->type;
dev->directory = dir.base;
dev->board = board;
fres->resid = parent->type;
fres->directory = dir.base;
fres->board = board;
while (nubus_readdir(&dir, &ent) != -1) {
switch (ent.type) {
@ -528,10 +527,10 @@ nubus_get_functional_resource(struct nubus_board *board, int slot,
unsigned short nbtdata[4];
nubus_get_rsrc_mem(nbtdata, &ent, 8);
dev->category = nbtdata[0];
dev->type = nbtdata[1];
dev->dr_sw = nbtdata[2];
dev->dr_hw = nbtdata[3];
fres->category = nbtdata[0];
fres->type = nbtdata[1];
fres->dr_sw = nbtdata[2];
fres->dr_hw = nbtdata[3];
pr_debug(" type: [cat 0x%x type 0x%x sw 0x%x hw 0x%x]\n",
nbtdata[0], nbtdata[1], nbtdata[2], nbtdata[3]);
nubus_proc_add_rsrc_mem(dir.procdir, &ent, 8);
@ -589,11 +588,11 @@ nubus_get_functional_resource(struct nubus_board *board, int slot,
default:
/* Local/Private resources have their own
function */
nubus_get_private_resource(dev, dir.procdir, &ent);
nubus_get_private_resource(fres, dir.procdir, &ent);
}
}
return dev;
return fres;
}
/* This is *really* cool. */
@ -729,7 +728,6 @@ static int __init nubus_get_board_resource(struct nubus_board *board, int slot,
return 0;
}
/* Add a board (might be many devices) to the list */
static struct nubus_board * __init nubus_add_board(int slot, int bytelanes)
{
struct nubus_board *board;
@ -801,10 +799,11 @@ static struct nubus_board * __init nubus_add_board(int slot, int bytelanes)
pr_debug("Slot %X resources:\n", slot);
/* Each slot should have one board resource and any number of
functional resources. So we'll fill in some fields in the
struct nubus_board from the board resource, then walk down
the list of functional resources, spinning out a nubus_dev
for each of them. */
* functional resources. So we'll fill in some fields in the
* struct nubus_board from the board resource, then walk down
* the list of functional resources, spinning out a nubus_rsrc
* for each of them.
*/
if (nubus_readdir(&dir, &ent) == -1) {
/* We can't have this! */
pr_err("Slot %X: Board resource not found!\n", slot);
@ -819,32 +818,32 @@ static struct nubus_board * __init nubus_add_board(int slot, int bytelanes)
nubus_get_board_resource(board, slot, &ent);
while (nubus_readdir(&dir, &ent) != -1) {
struct nubus_dev *dev;
struct nubus_dev **devp;
struct nubus_rsrc *fres;
struct nubus_rsrc **fresp;
dev = nubus_get_functional_resource(board, slot, &ent);
if (dev == NULL)
fres = nubus_get_functional_resource(board, slot, &ent);
if (fres == NULL)
continue;
/* Resources should appear in ascending ID order. This sanity
* check prevents duplicate resource IDs.
*/
if (dev->resid <= prev_resid) {
kfree(dev);
if (fres->resid <= prev_resid) {
kfree(fres);
continue;
}
prev_resid = dev->resid;
prev_resid = fres->resid;
/* We zeroed this out above */
if (board->first_dev == NULL)
board->first_dev = dev;
if (board->first_func_rsrc == NULL)
board->first_func_rsrc = fres;
/* Put it on the global NuBus device chain. Keep entries in order. */
for (devp = &nubus_devices; *devp != NULL;
devp = &((*devp)->next))
/* Put it on the func. resource list. Keep entries in order. */
for (fresp = &nubus_func_rsrcs; *fresp != NULL;
fresp = &((*fresp)->next))
/* spin */;
*devp = dev;
dev->next = NULL;
*fresp = fres;
fres->next = NULL;
}
/* Put it on the global NuBus board chain. Keep entries in order. */

15
drivers/nubus/proc.c
View File

@ -36,17 +36,14 @@
static int
nubus_devices_proc_show(struct seq_file *m, void *v)
{
struct nubus_dev *dev = nubus_devices;
struct nubus_rsrc *fres = nubus_func_rsrcs;
while (dev) {
while (fres) {
seq_printf(m, "%x\t%04x %04x %04x %04x",
dev->board->slot,
dev->category,
dev->type,
dev->dr_sw,
dev->dr_hw);
seq_printf(m, "\t%08lx\n", dev->board->slot_addr);
dev = dev->next;
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;
}
return 0;
}

2
drivers/video/fbdev/macfb.c
View File

@ -556,7 +556,7 @@ static void __init iounmap_macfb(void)
static int __init macfb_init(void)
{
int video_cmap_len, video_is_nubus = 0;
struct nubus_dev* ndev = NULL;
struct nubus_rsrc *ndev = NULL;
char *option = NULL;
int err;

30
include/linux/nubus.h
View File

@ -33,7 +33,7 @@ struct nubus_dirent {
struct nubus_board {
struct nubus_board *next;
struct nubus_dev *first_dev;
struct nubus_rsrc *first_func_rsrc;
/* Only 9-E actually exist, though 0-8 are also theoretically
possible, and 0 is a special case which represents the
@ -62,11 +62,11 @@ struct nubus_board {
struct proc_dir_entry *procdir;
};
struct nubus_dev {
/* Next link in device list */
struct nubus_dev *next;
struct nubus_rsrc {
/* Next link in list */
struct nubus_rsrc *next;
/* The functional resource ID of this device */
/* The functional resource ID */
unsigned char resid;
/* These are mostly here for convenience; we could always read
them from the ROMs if we wanted to */
@ -81,8 +81,8 @@ struct nubus_dev {
struct nubus_board *board;
};
/* This is all NuBus devices (used to find devices later on) */
extern struct nubus_dev *nubus_devices;
/* This is all NuBus functional resources (used to find devices later on) */
extern struct nubus_rsrc *nubus_func_rsrcs;
/* This is all NuBus cards */
extern struct nubus_board *nubus_boards;
@ -115,13 +115,12 @@ static inline void nubus_proc_add_rsrc(struct proc_dir_entry *procdir,
const struct nubus_dirent *ent) {}
#endif
/* If we need more precision we can add some more of these */
struct nubus_dev *nubus_find_type(unsigned short category,
unsigned short type,
const struct nubus_dev *from);
/* Might have more than one device in a slot, you know... */
struct nubus_dev *nubus_find_slot(unsigned int slot,
const struct nubus_dev *from);
struct nubus_rsrc *nubus_find_type(unsigned short category,
unsigned short type,
const struct nubus_rsrc *from);
struct nubus_rsrc *nubus_find_slot(unsigned int slot,
const struct nubus_rsrc *from);
/* These are somewhat more NuBus-specific. They all return 0 for
success and -1 for failure, as you'd expect. */
@ -134,8 +133,7 @@ int nubus_get_root_dir(const struct nubus_board *board,
int nubus_get_board_dir(const struct nubus_board *board,
struct nubus_dir *dir);
/* The functional directory */
int nubus_get_func_dir(const struct nubus_dev *dev,
struct nubus_dir *dir);
int nubus_get_func_dir(const struct nubus_rsrc *fres, struct nubus_dir *dir);
/* These work on any directory gotten via the above */
int nubus_readdir(struct nubus_dir *dir,