1 | /* |
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" |
9 | #include <linux/module.h> |
10 | #include <linux/mmc/sdio_func.h> |
11 | #include <linux/platform_device.h> |
12 | #include <linux/pci.h> |
13 | #include <linux/bcma/bcma.h> |
14 | #include <linux/slab.h> |
15 | #include <linux/of_address.h> |
16 | #include <linux/of_irq.h> |
17 | #include <linux/of_device.h> |
18 | #include <linux/of_platform.h> |
19 | |
20 | MODULE_DESCRIPTION("Broadcom's specific AMBA driver" ); |
21 | MODULE_LICENSE("GPL" ); |
22 | |
23 | /* contains the number the next bus should get. */ |
24 | static unsigned int bcma_bus_next_num; |
25 | |
26 | /* bcma_buses_mutex locks the bcma_bus_next_num */ |
27 | static DEFINE_MUTEX(bcma_buses_mutex); |
28 | |
29 | static int bcma_bus_match(struct device *dev, struct device_driver *drv); |
30 | static int bcma_device_probe(struct device *dev); |
31 | static void bcma_device_remove(struct device *dev); |
32 | static int bcma_device_uevent(const struct device *dev, struct kobj_uevent_env *env); |
33 | |
34 | static ssize_t manuf_show(struct device *dev, struct device_attribute *attr, char *buf) |
35 | { |
36 | struct bcma_device *core = container_of(dev, struct bcma_device, dev); |
37 | return sprintf(buf, fmt: "0x%03X\n" , core->id.manuf); |
38 | } |
39 | static DEVICE_ATTR_RO(manuf); |
40 | |
41 | static ssize_t id_show(struct device *dev, struct device_attribute *attr, char *buf) |
42 | { |
43 | struct bcma_device *core = container_of(dev, struct bcma_device, dev); |
44 | return sprintf(buf, fmt: "0x%03X\n" , core->id.id); |
45 | } |
46 | static DEVICE_ATTR_RO(id); |
47 | |
48 | static ssize_t rev_show(struct device *dev, struct device_attribute *attr, char *buf) |
49 | { |
50 | struct bcma_device *core = container_of(dev, struct bcma_device, dev); |
51 | return sprintf(buf, fmt: "0x%02X\n" , core->id.rev); |
52 | } |
53 | static DEVICE_ATTR_RO(rev); |
54 | |
55 | static ssize_t class_show(struct device *dev, struct device_attribute *attr, char *buf) |
56 | { |
57 | struct bcma_device *core = container_of(dev, struct bcma_device, dev); |
58 | return sprintf(buf, fmt: "0x%X\n" , core->id.class); |
59 | } |
60 | static DEVICE_ATTR_RO(class); |
61 | |
62 | static struct attribute *bcma_device_attrs[] = { |
63 | &dev_attr_manuf.attr, |
64 | &dev_attr_id.attr, |
65 | &dev_attr_rev.attr, |
66 | &dev_attr_class.attr, |
67 | NULL, |
68 | }; |
69 | ATTRIBUTE_GROUPS(bcma_device); |
70 | |
71 | static struct bus_type bcma_bus_type = { |
72 | .name = "bcma" , |
73 | .match = bcma_bus_match, |
74 | .probe = bcma_device_probe, |
75 | .remove = bcma_device_remove, |
76 | .uevent = bcma_device_uevent, |
77 | .dev_groups = bcma_device_groups, |
78 | }; |
79 | |
80 | static u16 bcma_cc_core_id(struct bcma_bus *bus) |
81 | { |
82 | if (bus->chipinfo.id == BCMA_CHIP_ID_BCM4706) |
83 | return BCMA_CORE_4706_CHIPCOMMON; |
84 | return BCMA_CORE_CHIPCOMMON; |
85 | } |
86 | |
87 | struct bcma_device *bcma_find_core_unit(struct bcma_bus *bus, u16 coreid, |
88 | u8 unit) |
89 | { |
90 | struct bcma_device *core; |
91 | |
92 | list_for_each_entry(core, &bus->cores, list) { |
93 | if (core->id.id == coreid && core->core_unit == unit) |
94 | return core; |
95 | } |
96 | return NULL; |
97 | } |
98 | EXPORT_SYMBOL_GPL(bcma_find_core_unit); |
99 | |
100 | bool bcma_wait_value(struct bcma_device *core, u16 reg, u32 mask, u32 value, |
101 | int timeout) |
102 | { |
103 | unsigned long deadline = jiffies + timeout; |
104 | u32 val; |
105 | |
106 | do { |
107 | val = bcma_read32(core, offset: reg); |
108 | if ((val & mask) == value) |
109 | return true; |
110 | cpu_relax(); |
111 | udelay(10); |
112 | } while (!time_after_eq(jiffies, deadline)); |
113 | |
114 | bcma_warn(core->bus, "Timeout waiting for register 0x%04X!\n" , reg); |
115 | |
116 | return false; |
117 | } |
118 | |
119 | static void bcma_release_core_dev(struct device *dev) |
120 | { |
121 | struct bcma_device *core = container_of(dev, struct bcma_device, dev); |
122 | if (core->io_addr) |
123 | iounmap(addr: core->io_addr); |
124 | if (core->io_wrap) |
125 | iounmap(addr: core->io_wrap); |
126 | kfree(objp: core); |
127 | } |
128 | |
129 | static bool bcma_is_core_needed_early(u16 core_id) |
130 | { |
131 | switch (core_id) { |
132 | case BCMA_CORE_NS_NAND: |
133 | case BCMA_CORE_NS_QSPI: |
134 | return true; |
135 | } |
136 | |
137 | return false; |
138 | } |
139 | |
140 | static struct device_node *bcma_of_find_child_device(struct device *parent, |
141 | struct bcma_device *core) |
142 | { |
143 | struct device_node *node; |
144 | int ret; |
145 | |
146 | if (!parent->of_node) |
147 | return NULL; |
148 | |
149 | for_each_child_of_node(parent->of_node, node) { |
150 | struct resource res; |
151 | ret = of_address_to_resource(dev: node, index: 0, r: &res); |
152 | if (ret) |
153 | continue; |
154 | if (res.start == core->addr) |
155 | return node; |
156 | } |
157 | return NULL; |
158 | } |
159 | |
160 | static int bcma_of_irq_parse(struct device *parent, |
161 | struct bcma_device *core, |
162 | struct of_phandle_args *out_irq, int num) |
163 | { |
164 | __be32 laddr[1]; |
165 | int rc; |
166 | |
167 | if (core->dev.of_node) { |
168 | rc = of_irq_parse_one(device: core->dev.of_node, index: num, out_irq); |
169 | if (!rc) |
170 | return rc; |
171 | } |
172 | |
173 | out_irq->np = parent->of_node; |
174 | out_irq->args_count = 1; |
175 | out_irq->args[0] = num; |
176 | |
177 | laddr[0] = cpu_to_be32(core->addr); |
178 | return of_irq_parse_raw(addr: laddr, out_irq); |
179 | } |
180 | |
181 | static unsigned int bcma_of_get_irq(struct device *parent, |
182 | struct bcma_device *core, int num) |
183 | { |
184 | struct of_phandle_args out_irq; |
185 | int ret; |
186 | |
187 | if (!IS_ENABLED(CONFIG_OF_IRQ) || !parent->of_node) |
188 | return 0; |
189 | |
190 | ret = bcma_of_irq_parse(parent, core, out_irq: &out_irq, num); |
191 | if (ret) { |
192 | bcma_debug(core->bus, "bcma_of_get_irq() failed with rc=%d\n" , |
193 | ret); |
194 | return 0; |
195 | } |
196 | |
197 | return irq_create_of_mapping(irq_data: &out_irq); |
198 | } |
199 | |
200 | static void bcma_of_fill_device(struct device *parent, |
201 | struct bcma_device *core) |
202 | { |
203 | struct device_node *node; |
204 | |
205 | node = bcma_of_find_child_device(parent, core); |
206 | if (node) |
207 | core->dev.of_node = node; |
208 | |
209 | core->irq = bcma_of_get_irq(parent, core, num: 0); |
210 | |
211 | of_dma_configure(dev: &core->dev, np: node, force_dma: false); |
212 | } |
213 | |
214 | unsigned int bcma_core_irq(struct bcma_device *core, int num) |
215 | { |
216 | struct bcma_bus *bus = core->bus; |
217 | unsigned int mips_irq; |
218 | |
219 | switch (bus->hosttype) { |
220 | case BCMA_HOSTTYPE_PCI: |
221 | return bus->host_pci->irq; |
222 | case BCMA_HOSTTYPE_SOC: |
223 | if (bus->drv_mips.core && num == 0) { |
224 | mips_irq = bcma_core_mips_irq(dev: core); |
225 | return mips_irq <= 4 ? mips_irq + 2 : 0; |
226 | } |
227 | if (bus->dev) |
228 | return bcma_of_get_irq(parent: bus->dev, core, num); |
229 | return 0; |
230 | case BCMA_HOSTTYPE_SDIO: |
231 | return 0; |
232 | } |
233 | |
234 | return 0; |
235 | } |
236 | EXPORT_SYMBOL(bcma_core_irq); |
237 | |
238 | void bcma_prepare_core(struct bcma_bus *bus, struct bcma_device *core) |
239 | { |
240 | device_initialize(dev: &core->dev); |
241 | core->dev.release = bcma_release_core_dev; |
242 | core->dev.bus = &bcma_bus_type; |
243 | dev_set_name(dev: &core->dev, name: "bcma%d:%d" , bus->num, core->core_index); |
244 | core->dev.parent = bus->dev; |
245 | if (bus->dev) |
246 | bcma_of_fill_device(parent: bus->dev, core); |
247 | |
248 | switch (bus->hosttype) { |
249 | case BCMA_HOSTTYPE_PCI: |
250 | core->dma_dev = bus->dev; |
251 | core->irq = bus->host_pci->irq; |
252 | break; |
253 | case BCMA_HOSTTYPE_SOC: |
254 | if (IS_ENABLED(CONFIG_OF) && bus->dev) { |
255 | core->dma_dev = bus->dev; |
256 | } else { |
257 | core->dev.dma_mask = &core->dev.coherent_dma_mask; |
258 | core->dma_dev = &core->dev; |
259 | } |
260 | break; |
261 | case BCMA_HOSTTYPE_SDIO: |
262 | break; |
263 | } |
264 | } |
265 | |
266 | void bcma_init_bus(struct bcma_bus *bus) |
267 | { |
268 | mutex_lock(&bcma_buses_mutex); |
269 | bus->num = bcma_bus_next_num++; |
270 | mutex_unlock(lock: &bcma_buses_mutex); |
271 | |
272 | INIT_LIST_HEAD(list: &bus->cores); |
273 | bus->nr_cores = 0; |
274 | |
275 | bcma_detect_chip(bus); |
276 | } |
277 | |
278 | static void bcma_register_core(struct bcma_bus *bus, struct bcma_device *core) |
279 | { |
280 | int err; |
281 | |
282 | err = device_add(dev: &core->dev); |
283 | if (err) { |
284 | bcma_err(bus, "Could not register dev for core 0x%03X\n" , |
285 | core->id.id); |
286 | return; |
287 | } |
288 | core->dev_registered = true; |
289 | } |
290 | |
291 | static int bcma_register_devices(struct bcma_bus *bus) |
292 | { |
293 | struct bcma_device *core; |
294 | int err; |
295 | |
296 | list_for_each_entry(core, &bus->cores, list) { |
297 | /* We support that core ourselves */ |
298 | switch (core->id.id) { |
299 | case BCMA_CORE_4706_CHIPCOMMON: |
300 | case BCMA_CORE_CHIPCOMMON: |
301 | case BCMA_CORE_NS_CHIPCOMMON_B: |
302 | case BCMA_CORE_PCI: |
303 | case BCMA_CORE_PCIE: |
304 | case BCMA_CORE_PCIE2: |
305 | case BCMA_CORE_MIPS_74K: |
306 | case BCMA_CORE_4706_MAC_GBIT_COMMON: |
307 | continue; |
308 | } |
309 | |
310 | /* Early cores were already registered */ |
311 | if (bcma_is_core_needed_early(core_id: core->id.id)) |
312 | continue; |
313 | |
314 | /* Only first GMAC core on BCM4706 is connected and working */ |
315 | if (core->id.id == BCMA_CORE_4706_MAC_GBIT && |
316 | core->core_unit > 0) |
317 | continue; |
318 | |
319 | bcma_register_core(bus, core); |
320 | } |
321 | |
322 | #ifdef CONFIG_BCMA_PFLASH |
323 | if (bus->drv_cc.pflash.present) { |
324 | err = platform_device_register(&bcma_pflash_dev); |
325 | if (err) |
326 | bcma_err(bus, "Error registering parallel flash\n" ); |
327 | } |
328 | #endif |
329 | |
330 | #ifdef CONFIG_BCMA_SFLASH |
331 | if (bus->drv_cc.sflash.present) { |
332 | err = platform_device_register(&bcma_sflash_dev); |
333 | if (err) |
334 | bcma_err(bus, "Error registering serial flash\n" ); |
335 | } |
336 | #endif |
337 | |
338 | #ifdef CONFIG_BCMA_NFLASH |
339 | if (bus->drv_cc.nflash.present) { |
340 | err = platform_device_register(&bcma_nflash_dev); |
341 | if (err) |
342 | bcma_err(bus, "Error registering NAND flash\n" ); |
343 | } |
344 | #endif |
345 | err = bcma_gpio_init(cc: &bus->drv_cc); |
346 | if (err == -ENOTSUPP) |
347 | bcma_debug(bus, "GPIO driver not activated\n" ); |
348 | else if (err) { |
349 | bcma_err(bus, "Error registering GPIO driver: %i\n" , err); |
350 | return err; |
351 | } |
352 | |
353 | if (bus->hosttype == BCMA_HOSTTYPE_SOC) { |
354 | err = bcma_chipco_watchdog_register(cc: &bus->drv_cc); |
355 | if (err) |
356 | bcma_err(bus, "Error registering watchdog driver\n" ); |
357 | } |
358 | |
359 | return 0; |
360 | } |
361 | |
362 | void bcma_unregister_cores(struct bcma_bus *bus) |
363 | { |
364 | struct bcma_device *core, *tmp; |
365 | |
366 | list_for_each_entry_safe(core, tmp, &bus->cores, list) { |
367 | if (!core->dev_registered) |
368 | continue; |
369 | list_del(entry: &core->list); |
370 | device_unregister(dev: &core->dev); |
371 | } |
372 | if (bus->hosttype == BCMA_HOSTTYPE_SOC) |
373 | platform_device_unregister(bus->drv_cc.watchdog); |
374 | |
375 | /* Now no one uses internally-handled cores, we can free them */ |
376 | list_for_each_entry_safe(core, tmp, &bus->cores, list) { |
377 | list_del(entry: &core->list); |
378 | put_device(dev: &core->dev); |
379 | } |
380 | } |
381 | |
382 | int bcma_bus_register(struct bcma_bus *bus) |
383 | { |
384 | int err; |
385 | struct bcma_device *core; |
386 | |
387 | /* Scan for devices (cores) */ |
388 | err = bcma_bus_scan(bus); |
389 | if (err) { |
390 | bcma_err(bus, "Failed to scan: %d\n" , err); |
391 | return err; |
392 | } |
393 | |
394 | /* Early init CC core */ |
395 | core = bcma_find_core(bus, coreid: bcma_cc_core_id(bus)); |
396 | if (core) { |
397 | bus->drv_cc.core = core; |
398 | bcma_core_chipcommon_early_init(cc: &bus->drv_cc); |
399 | } |
400 | |
401 | /* Early init PCIE core */ |
402 | core = bcma_find_core(bus, BCMA_CORE_PCIE); |
403 | if (core) { |
404 | bus->drv_pci[0].core = core; |
405 | bcma_core_pci_early_init(pc: &bus->drv_pci[0]); |
406 | } |
407 | |
408 | if (bus->dev) |
409 | of_platform_default_populate(root: bus->dev->of_node, NULL, parent: bus->dev); |
410 | |
411 | /* Cores providing flash access go before SPROM init */ |
412 | list_for_each_entry(core, &bus->cores, list) { |
413 | if (bcma_is_core_needed_early(core_id: core->id.id)) |
414 | bcma_register_core(bus, core); |
415 | } |
416 | |
417 | /* Try to get SPROM */ |
418 | err = bcma_sprom_get(bus); |
419 | if (err == -ENOENT) { |
420 | bcma_err(bus, "No SPROM available\n" ); |
421 | } else if (err) |
422 | bcma_err(bus, "Failed to get SPROM: %d\n" , err); |
423 | |
424 | /* Init CC core */ |
425 | core = bcma_find_core(bus, coreid: bcma_cc_core_id(bus)); |
426 | if (core) { |
427 | bus->drv_cc.core = core; |
428 | bcma_core_chipcommon_init(cc: &bus->drv_cc); |
429 | } |
430 | |
431 | /* Init CC core */ |
432 | core = bcma_find_core(bus, BCMA_CORE_NS_CHIPCOMMON_B); |
433 | if (core) { |
434 | bus->drv_cc_b.core = core; |
435 | bcma_core_chipcommon_b_init(ccb: &bus->drv_cc_b); |
436 | } |
437 | |
438 | /* Init MIPS core */ |
439 | core = bcma_find_core(bus, BCMA_CORE_MIPS_74K); |
440 | if (core) { |
441 | bus->drv_mips.core = core; |
442 | bcma_core_mips_init(mcore: &bus->drv_mips); |
443 | } |
444 | |
445 | /* Init PCIE core */ |
446 | core = bcma_find_core_unit(bus, BCMA_CORE_PCIE, 0); |
447 | if (core) { |
448 | bus->drv_pci[0].core = core; |
449 | bcma_core_pci_init(pc: &bus->drv_pci[0]); |
450 | } |
451 | |
452 | /* Init PCIE core */ |
453 | core = bcma_find_core_unit(bus, BCMA_CORE_PCIE, 1); |
454 | if (core) { |
455 | bus->drv_pci[1].core = core; |
456 | bcma_core_pci_init(pc: &bus->drv_pci[1]); |
457 | } |
458 | |
459 | /* Init PCIe Gen 2 core */ |
460 | core = bcma_find_core_unit(bus, BCMA_CORE_PCIE2, 0); |
461 | if (core) { |
462 | bus->drv_pcie2.core = core; |
463 | bcma_core_pcie2_init(pcie2: &bus->drv_pcie2); |
464 | } |
465 | |
466 | /* Init GBIT MAC COMMON core */ |
467 | core = bcma_find_core(bus, BCMA_CORE_4706_MAC_GBIT_COMMON); |
468 | if (core) { |
469 | bus->drv_gmac_cmn.core = core; |
470 | bcma_core_gmac_cmn_init(gc: &bus->drv_gmac_cmn); |
471 | } |
472 | |
473 | /* Register found cores */ |
474 | bcma_register_devices(bus); |
475 | |
476 | bcma_info(bus, "Bus registered\n" ); |
477 | |
478 | return 0; |
479 | } |
480 | |
481 | void bcma_bus_unregister(struct bcma_bus *bus) |
482 | { |
483 | int err; |
484 | |
485 | err = bcma_gpio_unregister(cc: &bus->drv_cc); |
486 | if (err == -EBUSY) |
487 | bcma_err(bus, "Some GPIOs are still in use.\n" ); |
488 | else if (err) |
489 | bcma_err(bus, "Can not unregister GPIO driver: %i\n" , err); |
490 | |
491 | bcma_core_chipcommon_b_free(ccb: &bus->drv_cc_b); |
492 | |
493 | bcma_unregister_cores(bus); |
494 | } |
495 | |
496 | /* |
497 | * This is a special version of bus registration function designed for SoCs. |
498 | * It scans bus and performs basic initialization of main cores only. |
499 | * Please note it requires memory allocation, however it won't try to sleep. |
500 | */ |
501 | int __init bcma_bus_early_register(struct bcma_bus *bus) |
502 | { |
503 | int err; |
504 | struct bcma_device *core; |
505 | |
506 | /* Scan for devices (cores) */ |
507 | err = bcma_bus_scan(bus); |
508 | if (err) { |
509 | bcma_err(bus, "Failed to scan bus: %d\n" , err); |
510 | return -1; |
511 | } |
512 | |
513 | /* Early init CC core */ |
514 | core = bcma_find_core(bus, coreid: bcma_cc_core_id(bus)); |
515 | if (core) { |
516 | bus->drv_cc.core = core; |
517 | bcma_core_chipcommon_early_init(cc: &bus->drv_cc); |
518 | } |
519 | |
520 | /* Early init MIPS core */ |
521 | core = bcma_find_core(bus, BCMA_CORE_MIPS_74K); |
522 | if (core) { |
523 | bus->drv_mips.core = core; |
524 | bcma_core_mips_early_init(mcore: &bus->drv_mips); |
525 | } |
526 | |
527 | bcma_info(bus, "Early bus registered\n" ); |
528 | |
529 | return 0; |
530 | } |
531 | |
532 | #ifdef CONFIG_PM |
533 | int bcma_bus_suspend(struct bcma_bus *bus) |
534 | { |
535 | struct bcma_device *core; |
536 | |
537 | list_for_each_entry(core, &bus->cores, list) { |
538 | struct device_driver *drv = core->dev.driver; |
539 | if (drv) { |
540 | struct bcma_driver *adrv = container_of(drv, struct bcma_driver, drv); |
541 | if (adrv->suspend) |
542 | adrv->suspend(core); |
543 | } |
544 | } |
545 | return 0; |
546 | } |
547 | |
548 | int bcma_bus_resume(struct bcma_bus *bus) |
549 | { |
550 | struct bcma_device *core; |
551 | |
552 | /* Init CC core */ |
553 | if (bus->drv_cc.core) { |
554 | bus->drv_cc.setup_done = false; |
555 | bcma_core_chipcommon_init(cc: &bus->drv_cc); |
556 | } |
557 | |
558 | list_for_each_entry(core, &bus->cores, list) { |
559 | struct device_driver *drv = core->dev.driver; |
560 | if (drv) { |
561 | struct bcma_driver *adrv = container_of(drv, struct bcma_driver, drv); |
562 | if (adrv->resume) |
563 | adrv->resume(core); |
564 | } |
565 | } |
566 | |
567 | return 0; |
568 | } |
569 | #endif |
570 | |
571 | int __bcma_driver_register(struct bcma_driver *drv, struct module *owner) |
572 | { |
573 | drv->drv.name = drv->name; |
574 | drv->drv.bus = &bcma_bus_type; |
575 | drv->drv.owner = owner; |
576 | |
577 | return driver_register(drv: &drv->drv); |
578 | } |
579 | EXPORT_SYMBOL_GPL(__bcma_driver_register); |
580 | |
581 | void bcma_driver_unregister(struct bcma_driver *drv) |
582 | { |
583 | driver_unregister(drv: &drv->drv); |
584 | } |
585 | EXPORT_SYMBOL_GPL(bcma_driver_unregister); |
586 | |
587 | static int bcma_bus_match(struct device *dev, struct device_driver *drv) |
588 | { |
589 | struct bcma_device *core = container_of(dev, struct bcma_device, dev); |
590 | struct bcma_driver *adrv = container_of(drv, struct bcma_driver, drv); |
591 | const struct bcma_device_id *cid = &core->id; |
592 | const struct bcma_device_id *did; |
593 | |
594 | for (did = adrv->id_table; did->manuf || did->id || did->rev; did++) { |
595 | if ((did->manuf == cid->manuf || did->manuf == BCMA_ANY_MANUF) && |
596 | (did->id == cid->id || did->id == BCMA_ANY_ID) && |
597 | (did->rev == cid->rev || did->rev == BCMA_ANY_REV) && |
598 | (did->class == cid->class || did->class == BCMA_ANY_CLASS)) |
599 | return 1; |
600 | } |
601 | return 0; |
602 | } |
603 | |
604 | static int bcma_device_probe(struct device *dev) |
605 | { |
606 | struct bcma_device *core = container_of(dev, struct bcma_device, dev); |
607 | struct bcma_driver *adrv = container_of(dev->driver, struct bcma_driver, |
608 | drv); |
609 | int err = 0; |
610 | |
611 | get_device(dev); |
612 | if (adrv->probe) |
613 | err = adrv->probe(core); |
614 | if (err) |
615 | put_device(dev); |
616 | |
617 | return err; |
618 | } |
619 | |
620 | static void bcma_device_remove(struct device *dev) |
621 | { |
622 | struct bcma_device *core = container_of(dev, struct bcma_device, dev); |
623 | struct bcma_driver *adrv = container_of(dev->driver, struct bcma_driver, |
624 | drv); |
625 | |
626 | if (adrv->remove) |
627 | adrv->remove(core); |
628 | put_device(dev); |
629 | } |
630 | |
631 | static int bcma_device_uevent(const struct device *dev, struct kobj_uevent_env *env) |
632 | { |
633 | const struct bcma_device *core = container_of_const(dev, struct bcma_device, dev); |
634 | |
635 | return add_uevent_var(env, |
636 | format: "MODALIAS=bcma:m%04Xid%04Xrev%02Xcl%02X" , |
637 | core->id.manuf, core->id.id, |
638 | core->id.rev, core->id.class); |
639 | } |
640 | |
641 | static unsigned int bcma_bus_registered; |
642 | |
643 | /* |
644 | * If built-in, bus has to be registered early, before any driver calls |
645 | * bcma_driver_register. |
646 | * Otherwise registering driver would trigger BUG in driver_register. |
647 | */ |
648 | static int __init bcma_init_bus_register(void) |
649 | { |
650 | int err; |
651 | |
652 | if (bcma_bus_registered) |
653 | return 0; |
654 | |
655 | err = bus_register(bus: &bcma_bus_type); |
656 | if (!err) |
657 | bcma_bus_registered = 1; |
658 | |
659 | return err; |
660 | } |
661 | #ifndef MODULE |
662 | fs_initcall(bcma_init_bus_register); |
663 | #endif |
664 | |
665 | /* Main initialization has to be done with SPI/mtd/NAND/SPROM available */ |
666 | static int __init bcma_modinit(void) |
667 | { |
668 | int err; |
669 | |
670 | err = bcma_init_bus_register(); |
671 | if (err) |
672 | return err; |
673 | |
674 | err = bcma_host_soc_register_driver(); |
675 | if (err) { |
676 | pr_err("SoC host initialization failed\n" ); |
677 | err = 0; |
678 | } |
679 | #ifdef CONFIG_BCMA_HOST_PCI |
680 | err = bcma_host_pci_init(); |
681 | if (err) { |
682 | pr_err("PCI host initialization failed\n" ); |
683 | err = 0; |
684 | } |
685 | #endif |
686 | |
687 | return err; |
688 | } |
689 | module_init(bcma_modinit); |
690 | |
691 | static void __exit bcma_modexit(void) |
692 | { |
693 | #ifdef CONFIG_BCMA_HOST_PCI |
694 | bcma_host_pci_exit(); |
695 | #endif |
696 | bcma_host_soc_unregister_driver(); |
697 | bus_unregister(bus: &bcma_bus_type); |
698 | } |
699 | module_exit(bcma_modexit) |
700 | |