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Rafał Miłecki8369ae32011-05-09 18:56:46 +02001/*
2 * Broadcom specific AMBA
3 * Bus subsystem
4 *
5 * Licensed under the GNU/GPL. See COPYING for details.
6 */
7
8#include "bcma_private.h"
Paul Gortmaker200351c2011-07-01 16:06:37 -04009#include <linux/module.h>
Rafał Miłeckid57ef3a2012-08-10 21:23:53 +020010#include <linux/platform_device.h>
Rafał Miłecki8369ae32011-05-09 18:56:46 +020011#include <linux/bcma/bcma.h>
Geert Uytterhoeveneef72692011-06-26 10:19:44 +020012#include <linux/slab.h>
Rafał Miłecki8369ae32011-05-09 18:56:46 +020013
14MODULE_DESCRIPTION("Broadcom's specific AMBA driver");
15MODULE_LICENSE("GPL");
16
Hauke Mehrtens8f9ada42012-01-31 00:03:36 +010017/* contains the number the next bus should get. */
18static unsigned int bcma_bus_next_num = 0;
19
20/* bcma_buses_mutex locks the bcma_bus_next_num */
21static DEFINE_MUTEX(bcma_buses_mutex);
22
Rafał Miłecki8369ae32011-05-09 18:56:46 +020023static int bcma_bus_match(struct device *dev, struct device_driver *drv);
24static int bcma_device_probe(struct device *dev);
25static int bcma_device_remove(struct device *dev);
David Woodhouse886b66e2011-08-19 22:14:47 +020026static int bcma_device_uevent(struct device *dev, struct kobj_uevent_env *env);
Rafał Miłecki8369ae32011-05-09 18:56:46 +020027
28static ssize_t manuf_show(struct device *dev, struct device_attribute *attr, char *buf)
29{
30 struct bcma_device *core = container_of(dev, struct bcma_device, dev);
31 return sprintf(buf, "0x%03X\n", core->id.manuf);
32}
Greg Kroah-Hartmanfdcf4f82013-10-06 23:55:45 -070033static DEVICE_ATTR_RO(manuf);
34
Rafał Miłecki8369ae32011-05-09 18:56:46 +020035static ssize_t id_show(struct device *dev, struct device_attribute *attr, char *buf)
36{
37 struct bcma_device *core = container_of(dev, struct bcma_device, dev);
38 return sprintf(buf, "0x%03X\n", core->id.id);
39}
Greg Kroah-Hartmanfdcf4f82013-10-06 23:55:45 -070040static DEVICE_ATTR_RO(id);
41
Rafał Miłecki8369ae32011-05-09 18:56:46 +020042static ssize_t rev_show(struct device *dev, struct device_attribute *attr, char *buf)
43{
44 struct bcma_device *core = container_of(dev, struct bcma_device, dev);
45 return sprintf(buf, "0x%02X\n", core->id.rev);
46}
Greg Kroah-Hartmanfdcf4f82013-10-06 23:55:45 -070047static DEVICE_ATTR_RO(rev);
48
Rafał Miłecki8369ae32011-05-09 18:56:46 +020049static ssize_t class_show(struct device *dev, struct device_attribute *attr, char *buf)
50{
51 struct bcma_device *core = container_of(dev, struct bcma_device, dev);
52 return sprintf(buf, "0x%X\n", core->id.class);
53}
Greg Kroah-Hartmanfdcf4f82013-10-06 23:55:45 -070054static DEVICE_ATTR_RO(class);
55
56static struct attribute *bcma_device_attrs[] = {
57 &dev_attr_manuf.attr,
58 &dev_attr_id.attr,
59 &dev_attr_rev.attr,
60 &dev_attr_class.attr,
61 NULL,
Rafał Miłecki8369ae32011-05-09 18:56:46 +020062};
Greg Kroah-Hartmanfdcf4f82013-10-06 23:55:45 -070063ATTRIBUTE_GROUPS(bcma_device);
Rafał Miłecki8369ae32011-05-09 18:56:46 +020064
65static struct bus_type bcma_bus_type = {
66 .name = "bcma",
67 .match = bcma_bus_match,
68 .probe = bcma_device_probe,
69 .remove = bcma_device_remove,
David Woodhouse886b66e2011-08-19 22:14:47 +020070 .uevent = bcma_device_uevent,
Greg Kroah-Hartmanfdcf4f82013-10-06 23:55:45 -070071 .dev_groups = bcma_device_groups,
Rafał Miłecki8369ae32011-05-09 18:56:46 +020072};
73
Rafał Miłecki6d5cfc92012-07-10 23:45:49 +020074static u16 bcma_cc_core_id(struct bcma_bus *bus)
75{
76 if (bus->chipinfo.id == BCMA_CHIP_ID_BCM4706)
77 return BCMA_CORE_4706_CHIPCOMMON;
78 return BCMA_CORE_CHIPCOMMON;
79}
80
Hauke Mehrtens929a03a2013-01-04 00:51:20 +010081struct bcma_device *bcma_find_core_unit(struct bcma_bus *bus, u16 coreid,
82 u8 unit)
Hauke Mehrtensdfae7142012-09-29 20:40:18 +020083{
84 struct bcma_device *core;
85
86 list_for_each_entry(core, &bus->cores, list) {
87 if (core->id.id == coreid && core->core_unit == unit)
88 return core;
89 }
90 return NULL;
91}
Hauke Mehrtensb2395b82014-01-05 01:10:43 +010092EXPORT_SYMBOL_GPL(bcma_find_core_unit);
Hauke Mehrtensdfae7142012-09-29 20:40:18 +020093
Rafał Miłecki88f9b652013-06-26 10:02:11 +020094bool bcma_wait_value(struct bcma_device *core, u16 reg, u32 mask, u32 value,
95 int timeout)
96{
97 unsigned long deadline = jiffies + timeout;
98 u32 val;
99
100 do {
101 val = bcma_read32(core, reg);
102 if ((val & mask) == value)
103 return true;
104 cpu_relax();
105 udelay(10);
106 } while (!time_after_eq(jiffies, deadline));
107
108 bcma_warn(core->bus, "Timeout waiting for register 0x%04X!\n", reg);
109
110 return false;
111}
112
Rafał Miłecki8369ae32011-05-09 18:56:46 +0200113static void bcma_release_core_dev(struct device *dev)
114{
115 struct bcma_device *core = container_of(dev, struct bcma_device, dev);
Hauke Mehrtensecd177c2011-07-23 01:20:08 +0200116 if (core->io_addr)
117 iounmap(core->io_addr);
118 if (core->io_wrap)
119 iounmap(core->io_wrap);
Rafał Miłecki8369ae32011-05-09 18:56:46 +0200120 kfree(core);
121}
122
123static int bcma_register_cores(struct bcma_bus *bus)
124{
125 struct bcma_device *core;
126 int err, dev_id = 0;
127
128 list_for_each_entry(core, &bus->cores, list) {
129 /* We support that cores ourself */
130 switch (core->id.id) {
Rafał Miłecki6d5cfc92012-07-10 23:45:49 +0200131 case BCMA_CORE_4706_CHIPCOMMON:
Rafał Miłecki8369ae32011-05-09 18:56:46 +0200132 case BCMA_CORE_CHIPCOMMON:
133 case BCMA_CORE_PCI:
134 case BCMA_CORE_PCIE:
Hauke Mehrtens21e05342011-07-23 01:20:09 +0200135 case BCMA_CORE_MIPS_74K:
Rafał Miłeckie1ac4b42012-07-11 09:23:43 +0200136 case BCMA_CORE_4706_MAC_GBIT_COMMON:
Rafał Miłecki8369ae32011-05-09 18:56:46 +0200137 continue;
138 }
139
Rafał Miłecki10419d02013-02-19 19:41:42 +0100140 /* Only first GMAC core on BCM4706 is connected and working */
141 if (core->id.id == BCMA_CORE_4706_MAC_GBIT &&
142 core->core_unit > 0)
143 continue;
144
Rafał Miłecki8369ae32011-05-09 18:56:46 +0200145 core->dev.release = bcma_release_core_dev;
146 core->dev.bus = &bcma_bus_type;
Hauke Mehrtens8f9ada42012-01-31 00:03:36 +0100147 dev_set_name(&core->dev, "bcma%d:%d", bus->num, dev_id);
Rafał Miłecki8369ae32011-05-09 18:56:46 +0200148
149 switch (bus->hosttype) {
150 case BCMA_HOSTTYPE_PCI:
151 core->dev.parent = &bus->host_pci->dev;
Rafał Miłecki1bdcd092011-05-18 11:40:22 +0200152 core->dma_dev = &bus->host_pci->dev;
153 core->irq = bus->host_pci->irq;
Rafał Miłecki8369ae32011-05-09 18:56:46 +0200154 break;
Hauke Mehrtensecd177c2011-07-23 01:20:08 +0200155 case BCMA_HOSTTYPE_SOC:
156 core->dev.dma_mask = &core->dev.coherent_dma_mask;
157 core->dma_dev = &core->dev;
158 break;
Rafał Miłecki8369ae32011-05-09 18:56:46 +0200159 case BCMA_HOSTTYPE_SDIO:
160 break;
161 }
162
163 err = device_register(&core->dev);
164 if (err) {
Rafał Miłecki3d9d8af2012-07-05 22:07:32 +0200165 bcma_err(bus,
166 "Could not register dev for core 0x%03X\n",
167 core->id.id);
Levente Kurusa08f336b2013-12-19 16:06:52 +0100168 put_device(&core->dev);
Rafał Miłecki8369ae32011-05-09 18:56:46 +0200169 continue;
170 }
171 core->dev_registered = true;
172 dev_id++;
173 }
174
Rafał Miłecki73e4dbe2013-01-25 11:37:26 +0100175#ifdef CONFIG_BCMA_DRIVER_MIPS
176 if (bus->drv_cc.pflash.present) {
177 err = platform_device_register(&bcma_pflash_dev);
178 if (err)
179 bcma_err(bus, "Error registering parallel flash\n");
180 }
181#endif
182
Rafał Miłeckid57ef3a2012-08-10 21:23:53 +0200183#ifdef CONFIG_BCMA_SFLASH
184 if (bus->drv_cc.sflash.present) {
185 err = platform_device_register(&bcma_sflash_dev);
186 if (err)
187 bcma_err(bus, "Error registering serial flash\n");
188 }
189#endif
190
Rafał Miłecki371a0042012-08-12 13:08:05 +0200191#ifdef CONFIG_BCMA_NFLASH
192 if (bus->drv_cc.nflash.present) {
193 err = platform_device_register(&bcma_nflash_dev);
194 if (err)
195 bcma_err(bus, "Error registering NAND flash\n");
196 }
197#endif
Hauke Mehrtenscf0936b2012-11-20 22:24:30 +0000198 err = bcma_gpio_init(&bus->drv_cc);
199 if (err == -ENOTSUPP)
200 bcma_debug(bus, "GPIO driver not activated\n");
201 else if (err)
202 bcma_err(bus, "Error registering GPIO driver: %i\n", err);
Rafał Miłecki371a0042012-08-12 13:08:05 +0200203
Hauke Mehrtensa4855f392012-12-05 18:46:02 +0100204 if (bus->hosttype == BCMA_HOSTTYPE_SOC) {
205 err = bcma_chipco_watchdog_register(&bus->drv_cc);
206 if (err)
207 bcma_err(bus, "Error registering watchdog driver\n");
208 }
209
Rafał Miłecki8369ae32011-05-09 18:56:46 +0200210 return 0;
211}
212
213static void bcma_unregister_cores(struct bcma_bus *bus)
214{
Piotr Haber1fffa902012-10-11 14:05:15 +0200215 struct bcma_device *core, *tmp;
Rafał Miłecki8369ae32011-05-09 18:56:46 +0200216
Piotr Haber1fffa902012-10-11 14:05:15 +0200217 list_for_each_entry_safe(core, tmp, &bus->cores, list) {
218 list_del(&core->list);
Rafał Miłecki8369ae32011-05-09 18:56:46 +0200219 if (core->dev_registered)
220 device_unregister(&core->dev);
221 }
Hauke Mehrtensa4855f392012-12-05 18:46:02 +0100222 if (bus->hosttype == BCMA_HOSTTYPE_SOC)
223 platform_device_unregister(bus->drv_cc.watchdog);
Rafał Miłecki8369ae32011-05-09 18:56:46 +0200224}
225
Greg Kroah-Hartman0f58a012012-12-21 15:12:59 -0800226int bcma_bus_register(struct bcma_bus *bus)
Rafał Miłecki8369ae32011-05-09 18:56:46 +0200227{
228 int err;
229 struct bcma_device *core;
230
Hauke Mehrtens8f9ada42012-01-31 00:03:36 +0100231 mutex_lock(&bcma_buses_mutex);
232 bus->num = bcma_bus_next_num++;
233 mutex_unlock(&bcma_buses_mutex);
234
Rafał Miłecki8369ae32011-05-09 18:56:46 +0200235 /* Scan for devices (cores) */
236 err = bcma_bus_scan(bus);
237 if (err) {
Rafał Miłecki3d9d8af2012-07-05 22:07:32 +0200238 bcma_err(bus, "Failed to scan: %d\n", err);
Hauke Mehrtens1cabf7d2013-07-15 13:15:07 +0200239 return err;
Rafał Miłecki8369ae32011-05-09 18:56:46 +0200240 }
241
Hauke Mehrtens30cfb022012-09-29 20:29:50 +0200242 /* Early init CC core */
243 core = bcma_find_core(bus, bcma_cc_core_id(bus));
244 if (core) {
245 bus->drv_cc.core = core;
246 bcma_core_chipcommon_early_init(&bus->drv_cc);
247 }
248
249 /* Try to get SPROM */
250 err = bcma_sprom_get(bus);
251 if (err == -ENOENT) {
252 bcma_err(bus, "No SPROM available\n");
253 } else if (err)
254 bcma_err(bus, "Failed to get SPROM: %d\n", err);
255
Rafał Miłecki8369ae32011-05-09 18:56:46 +0200256 /* Init CC core */
Rafał Miłecki6d5cfc92012-07-10 23:45:49 +0200257 core = bcma_find_core(bus, bcma_cc_core_id(bus));
Rafał Miłecki8369ae32011-05-09 18:56:46 +0200258 if (core) {
259 bus->drv_cc.core = core;
260 bcma_core_chipcommon_init(&bus->drv_cc);
261 }
262
Hauke Mehrtens21e05342011-07-23 01:20:09 +0200263 /* Init MIPS core */
264 core = bcma_find_core(bus, BCMA_CORE_MIPS_74K);
265 if (core) {
266 bus->drv_mips.core = core;
267 bcma_core_mips_init(&bus->drv_mips);
268 }
269
Rafał Miłecki8369ae32011-05-09 18:56:46 +0200270 /* Init PCIE core */
Hauke Mehrtensdfae7142012-09-29 20:40:18 +0200271 core = bcma_find_core_unit(bus, BCMA_CORE_PCIE, 0);
Rafał Miłecki8369ae32011-05-09 18:56:46 +0200272 if (core) {
Hauke Mehrtensdfae7142012-09-29 20:40:18 +0200273 bus->drv_pci[0].core = core;
274 bcma_core_pci_init(&bus->drv_pci[0]);
275 }
276
277 /* Init PCIE core */
278 core = bcma_find_core_unit(bus, BCMA_CORE_PCIE, 1);
279 if (core) {
280 bus->drv_pci[1].core = core;
281 bcma_core_pci_init(&bus->drv_pci[1]);
Rafał Miłecki8369ae32011-05-09 18:56:46 +0200282 }
283
Rafał Miłeckie1ac4b42012-07-11 09:23:43 +0200284 /* Init GBIT MAC COMMON core */
285 core = bcma_find_core(bus, BCMA_CORE_4706_MAC_GBIT_COMMON);
286 if (core) {
287 bus->drv_gmac_cmn.core = core;
288 bcma_core_gmac_cmn_init(&bus->drv_gmac_cmn);
289 }
290
Rafał Miłecki8369ae32011-05-09 18:56:46 +0200291 /* Register found cores */
292 bcma_register_cores(bus);
293
Rafał Miłecki3d9d8af2012-07-05 22:07:32 +0200294 bcma_info(bus, "Bus registered\n");
Rafał Miłecki8369ae32011-05-09 18:56:46 +0200295
296 return 0;
297}
Rafał Miłecki8369ae32011-05-09 18:56:46 +0200298
299void bcma_bus_unregister(struct bcma_bus *bus)
300{
Saul St. Johnee915922012-08-16 15:42:30 -0500301 struct bcma_device *cores[3];
Hauke Mehrtensc50ae942013-02-03 23:25:33 +0100302 int err;
303
304 err = bcma_gpio_unregister(&bus->drv_cc);
305 if (err == -EBUSY)
306 bcma_err(bus, "Some GPIOs are still in use.\n");
307 else if (err)
308 bcma_err(bus, "Can not unregister GPIO driver: %i\n", err);
Saul St. Johnee915922012-08-16 15:42:30 -0500309
310 cores[0] = bcma_find_core(bus, BCMA_CORE_MIPS_74K);
311 cores[1] = bcma_find_core(bus, BCMA_CORE_PCIE);
312 cores[2] = bcma_find_core(bus, BCMA_CORE_4706_MAC_GBIT_COMMON);
313
Rafał Miłecki8369ae32011-05-09 18:56:46 +0200314 bcma_unregister_cores(bus);
Saul St. Johnee915922012-08-16 15:42:30 -0500315
316 kfree(cores[2]);
317 kfree(cores[1]);
318 kfree(cores[0]);
Rafał Miłecki8369ae32011-05-09 18:56:46 +0200319}
Rafał Miłecki8369ae32011-05-09 18:56:46 +0200320
Hauke Mehrtens517f43e2011-07-23 01:20:07 +0200321int __init bcma_bus_early_register(struct bcma_bus *bus,
322 struct bcma_device *core_cc,
323 struct bcma_device *core_mips)
324{
325 int err;
326 struct bcma_device *core;
327 struct bcma_device_id match;
328
329 bcma_init_bus(bus);
330
331 match.manuf = BCMA_MANUF_BCM;
Rafał Miłecki6d5cfc92012-07-10 23:45:49 +0200332 match.id = bcma_cc_core_id(bus);
Hauke Mehrtens517f43e2011-07-23 01:20:07 +0200333 match.class = BCMA_CL_SIM;
334 match.rev = BCMA_ANY_REV;
335
336 /* Scan for chip common core */
337 err = bcma_bus_scan_early(bus, &match, core_cc);
338 if (err) {
Rafał Miłecki3d9d8af2012-07-05 22:07:32 +0200339 bcma_err(bus, "Failed to scan for common core: %d\n", err);
Hauke Mehrtens517f43e2011-07-23 01:20:07 +0200340 return -1;
341 }
342
343 match.manuf = BCMA_MANUF_MIPS;
344 match.id = BCMA_CORE_MIPS_74K;
345 match.class = BCMA_CL_SIM;
346 match.rev = BCMA_ANY_REV;
347
348 /* Scan for mips core */
349 err = bcma_bus_scan_early(bus, &match, core_mips);
350 if (err) {
Rafał Miłecki3d9d8af2012-07-05 22:07:32 +0200351 bcma_err(bus, "Failed to scan for mips core: %d\n", err);
Hauke Mehrtens517f43e2011-07-23 01:20:07 +0200352 return -1;
353 }
354
Hauke Mehrtens49655bb2012-09-29 20:29:49 +0200355 /* Early init CC core */
Rafał Miłecki6d5cfc92012-07-10 23:45:49 +0200356 core = bcma_find_core(bus, bcma_cc_core_id(bus));
Hauke Mehrtens517f43e2011-07-23 01:20:07 +0200357 if (core) {
358 bus->drv_cc.core = core;
Hauke Mehrtens49655bb2012-09-29 20:29:49 +0200359 bcma_core_chipcommon_early_init(&bus->drv_cc);
Hauke Mehrtens517f43e2011-07-23 01:20:07 +0200360 }
361
Hauke Mehrtens49655bb2012-09-29 20:29:49 +0200362 /* Early init MIPS core */
Hauke Mehrtens21e05342011-07-23 01:20:09 +0200363 core = bcma_find_core(bus, BCMA_CORE_MIPS_74K);
364 if (core) {
365 bus->drv_mips.core = core;
Hauke Mehrtens49655bb2012-09-29 20:29:49 +0200366 bcma_core_mips_early_init(&bus->drv_mips);
Hauke Mehrtens21e05342011-07-23 01:20:09 +0200367 }
368
Rafał Miłecki3d9d8af2012-07-05 22:07:32 +0200369 bcma_info(bus, "Early bus registered\n");
Hauke Mehrtens517f43e2011-07-23 01:20:07 +0200370
371 return 0;
372}
373
Rafał Miłecki775ab522011-12-09 22:16:07 +0100374#ifdef CONFIG_PM
Linus Torvalds685a4ef2012-01-13 23:58:40 +0100375int bcma_bus_suspend(struct bcma_bus *bus)
376{
Linus Torvalds7d5869e2012-01-13 23:58:41 +0100377 struct bcma_device *core;
378
379 list_for_each_entry(core, &bus->cores, list) {
380 struct device_driver *drv = core->dev.driver;
381 if (drv) {
382 struct bcma_driver *adrv = container_of(drv, struct bcma_driver, drv);
383 if (adrv->suspend)
384 adrv->suspend(core);
385 }
386 }
Linus Torvalds685a4ef2012-01-13 23:58:40 +0100387 return 0;
388}
389
Rafał Miłecki775ab522011-12-09 22:16:07 +0100390int bcma_bus_resume(struct bcma_bus *bus)
391{
392 struct bcma_device *core;
393
394 /* Init CC core */
Rafał Miłecki6d5cfc92012-07-10 23:45:49 +0200395 if (bus->drv_cc.core) {
Rafał Miłecki775ab522011-12-09 22:16:07 +0100396 bus->drv_cc.setup_done = false;
397 bcma_core_chipcommon_init(&bus->drv_cc);
398 }
399
Linus Torvalds7d5869e2012-01-13 23:58:41 +0100400 list_for_each_entry(core, &bus->cores, list) {
401 struct device_driver *drv = core->dev.driver;
402 if (drv) {
403 struct bcma_driver *adrv = container_of(drv, struct bcma_driver, drv);
404 if (adrv->resume)
405 adrv->resume(core);
406 }
407 }
408
Rafał Miłecki775ab522011-12-09 22:16:07 +0100409 return 0;
410}
411#endif
412
Rafał Miłecki8369ae32011-05-09 18:56:46 +0200413int __bcma_driver_register(struct bcma_driver *drv, struct module *owner)
414{
415 drv->drv.name = drv->name;
416 drv->drv.bus = &bcma_bus_type;
417 drv->drv.owner = owner;
418
419 return driver_register(&drv->drv);
420}
421EXPORT_SYMBOL_GPL(__bcma_driver_register);
422
423void bcma_driver_unregister(struct bcma_driver *drv)
424{
425 driver_unregister(&drv->drv);
426}
427EXPORT_SYMBOL_GPL(bcma_driver_unregister);
428
429static int bcma_bus_match(struct device *dev, struct device_driver *drv)
430{
431 struct bcma_device *core = container_of(dev, struct bcma_device, dev);
432 struct bcma_driver *adrv = container_of(drv, struct bcma_driver, drv);
433 const struct bcma_device_id *cid = &core->id;
434 const struct bcma_device_id *did;
435
436 for (did = adrv->id_table; did->manuf || did->id || did->rev; did++) {
437 if ((did->manuf == cid->manuf || did->manuf == BCMA_ANY_MANUF) &&
438 (did->id == cid->id || did->id == BCMA_ANY_ID) &&
439 (did->rev == cid->rev || did->rev == BCMA_ANY_REV) &&
440 (did->class == cid->class || did->class == BCMA_ANY_CLASS))
441 return 1;
442 }
443 return 0;
444}
445
446static int bcma_device_probe(struct device *dev)
447{
448 struct bcma_device *core = container_of(dev, struct bcma_device, dev);
449 struct bcma_driver *adrv = container_of(dev->driver, struct bcma_driver,
450 drv);
451 int err = 0;
452
453 if (adrv->probe)
454 err = adrv->probe(core);
455
456 return err;
457}
458
459static int bcma_device_remove(struct device *dev)
460{
461 struct bcma_device *core = container_of(dev, struct bcma_device, dev);
462 struct bcma_driver *adrv = container_of(dev->driver, struct bcma_driver,
463 drv);
464
465 if (adrv->remove)
466 adrv->remove(core);
467
468 return 0;
469}
470
David Woodhouse886b66e2011-08-19 22:14:47 +0200471static int bcma_device_uevent(struct device *dev, struct kobj_uevent_env *env)
472{
473 struct bcma_device *core = container_of(dev, struct bcma_device, dev);
474
475 return add_uevent_var(env,
476 "MODALIAS=bcma:m%04Xid%04Xrev%02Xcl%02X",
477 core->id.manuf, core->id.id,
478 core->id.rev, core->id.class);
479}
480
Rafał Miłecki8369ae32011-05-09 18:56:46 +0200481static int __init bcma_modinit(void)
482{
483 int err;
484
485 err = bus_register(&bcma_bus_type);
486 if (err)
487 return err;
488
489#ifdef CONFIG_BCMA_HOST_PCI
490 err = bcma_host_pci_init();
491 if (err) {
492 pr_err("PCI host initialization failed\n");
493 err = 0;
494 }
495#endif
496
497 return err;
498}
499fs_initcall(bcma_modinit);
500
501static void __exit bcma_modexit(void)
502{
503#ifdef CONFIG_BCMA_HOST_PCI
504 bcma_host_pci_exit();
505#endif
506 bus_unregister(&bcma_bus_type);
507}
508module_exit(bcma_modexit)