diff options
-rw-r--r-- | drivers/eisa/eisa-bus.c | 240 |
1 files changed, 128 insertions, 112 deletions
diff --git a/drivers/eisa/eisa-bus.c b/drivers/eisa/eisa-bus.c index 66958b3f10b4..806c77bfd434 100644 --- a/drivers/eisa/eisa-bus.c +++ b/drivers/eisa/eisa-bus.c | |||
@@ -39,10 +39,10 @@ static unsigned int enable_dev_count; | |||
39 | static int disable_dev[EISA_MAX_FORCED_DEV]; | 39 | static int disable_dev[EISA_MAX_FORCED_DEV]; |
40 | static unsigned int disable_dev_count; | 40 | static unsigned int disable_dev_count; |
41 | 41 | ||
42 | static int is_forced_dev (int *forced_tab, | 42 | static int is_forced_dev(int *forced_tab, |
43 | int forced_count, | 43 | int forced_count, |
44 | struct eisa_root_device *root, | 44 | struct eisa_root_device *root, |
45 | struct eisa_device *edev) | 45 | struct eisa_device *edev) |
46 | { | 46 | { |
47 | int i, x; | 47 | int i, x; |
48 | 48 | ||
@@ -55,21 +55,21 @@ static int is_forced_dev (int *forced_tab, | |||
55 | return 0; | 55 | return 0; |
56 | } | 56 | } |
57 | 57 | ||
58 | static void __init eisa_name_device (struct eisa_device *edev) | 58 | static void __init eisa_name_device(struct eisa_device *edev) |
59 | { | 59 | { |
60 | #ifdef CONFIG_EISA_NAMES | 60 | #ifdef CONFIG_EISA_NAMES |
61 | int i; | 61 | int i; |
62 | for (i = 0; i < EISA_INFOS; i++) { | 62 | for (i = 0; i < EISA_INFOS; i++) { |
63 | if (!strcmp (edev->id.sig, eisa_table[i].id.sig)) { | 63 | if (!strcmp(edev->id.sig, eisa_table[i].id.sig)) { |
64 | strlcpy (edev->pretty_name, | 64 | strlcpy(edev->pretty_name, |
65 | eisa_table[i].name, | 65 | eisa_table[i].name, |
66 | sizeof(edev->pretty_name)); | 66 | sizeof(edev->pretty_name)); |
67 | return; | 67 | return; |
68 | } | 68 | } |
69 | } | 69 | } |
70 | 70 | ||
71 | /* No name was found */ | 71 | /* No name was found */ |
72 | sprintf (edev->pretty_name, "EISA device %.7s", edev->id.sig); | 72 | sprintf(edev->pretty_name, "EISA device %.7s", edev->id.sig); |
73 | #endif | 73 | #endif |
74 | } | 74 | } |
75 | 75 | ||
@@ -91,7 +91,7 @@ static char __init *decode_eisa_sig(unsigned long addr) | |||
91 | */ | 91 | */ |
92 | outb(0x80 + i, addr); | 92 | outb(0x80 + i, addr); |
93 | #endif | 93 | #endif |
94 | sig[i] = inb (addr + i); | 94 | sig[i] = inb(addr + i); |
95 | 95 | ||
96 | if (!i && (sig[0] & 0x80)) | 96 | if (!i && (sig[0] & 0x80)) |
97 | return NULL; | 97 | return NULL; |
@@ -106,17 +106,17 @@ static char __init *decode_eisa_sig(unsigned long addr) | |||
106 | return sig_str; | 106 | return sig_str; |
107 | } | 107 | } |
108 | 108 | ||
109 | static int eisa_bus_match (struct device *dev, struct device_driver *drv) | 109 | static int eisa_bus_match(struct device *dev, struct device_driver *drv) |
110 | { | 110 | { |
111 | struct eisa_device *edev = to_eisa_device (dev); | 111 | struct eisa_device *edev = to_eisa_device(dev); |
112 | struct eisa_driver *edrv = to_eisa_driver (drv); | 112 | struct eisa_driver *edrv = to_eisa_driver(drv); |
113 | const struct eisa_device_id *eids = edrv->id_table; | 113 | const struct eisa_device_id *eids = edrv->id_table; |
114 | 114 | ||
115 | if (!eids) | 115 | if (!eids) |
116 | return 0; | 116 | return 0; |
117 | 117 | ||
118 | while (strlen (eids->sig)) { | 118 | while (strlen(eids->sig)) { |
119 | if (!strcmp (eids->sig, edev->id.sig) && | 119 | if (!strcmp(eids->sig, edev->id.sig) && |
120 | edev->state & EISA_CONFIG_ENABLED) { | 120 | edev->state & EISA_CONFIG_ENABLED) { |
121 | edev->id.driver_data = eids->driver_data; | 121 | edev->id.driver_data = eids->driver_data; |
122 | return 1; | 122 | return 1; |
@@ -141,61 +141,71 @@ struct bus_type eisa_bus_type = { | |||
141 | .match = eisa_bus_match, | 141 | .match = eisa_bus_match, |
142 | .uevent = eisa_bus_uevent, | 142 | .uevent = eisa_bus_uevent, |
143 | }; | 143 | }; |
144 | EXPORT_SYMBOL(eisa_bus_type); | ||
144 | 145 | ||
145 | int eisa_driver_register (struct eisa_driver *edrv) | 146 | int eisa_driver_register(struct eisa_driver *edrv) |
146 | { | 147 | { |
147 | edrv->driver.bus = &eisa_bus_type; | 148 | edrv->driver.bus = &eisa_bus_type; |
148 | return driver_register (&edrv->driver); | 149 | return driver_register(&edrv->driver); |
149 | } | 150 | } |
151 | EXPORT_SYMBOL(eisa_driver_register); | ||
150 | 152 | ||
151 | void eisa_driver_unregister (struct eisa_driver *edrv) | 153 | void eisa_driver_unregister(struct eisa_driver *edrv) |
152 | { | 154 | { |
153 | driver_unregister (&edrv->driver); | 155 | driver_unregister(&edrv->driver); |
154 | } | 156 | } |
157 | EXPORT_SYMBOL(eisa_driver_unregister); | ||
155 | 158 | ||
156 | static ssize_t eisa_show_sig (struct device *dev, struct device_attribute *attr, char *buf) | 159 | static ssize_t eisa_show_sig(struct device *dev, struct device_attribute *attr, |
160 | char *buf) | ||
157 | { | 161 | { |
158 | struct eisa_device *edev = to_eisa_device (dev); | 162 | struct eisa_device *edev = to_eisa_device(dev); |
159 | return sprintf (buf,"%s\n", edev->id.sig); | 163 | return sprintf(buf, "%s\n", edev->id.sig); |
160 | } | 164 | } |
161 | 165 | ||
162 | static DEVICE_ATTR(signature, S_IRUGO, eisa_show_sig, NULL); | 166 | static DEVICE_ATTR(signature, S_IRUGO, eisa_show_sig, NULL); |
163 | 167 | ||
164 | static ssize_t eisa_show_state (struct device *dev, struct device_attribute *attr, char *buf) | 168 | static ssize_t eisa_show_state(struct device *dev, |
169 | struct device_attribute *attr, | ||
170 | char *buf) | ||
165 | { | 171 | { |
166 | struct eisa_device *edev = to_eisa_device (dev); | 172 | struct eisa_device *edev = to_eisa_device(dev); |
167 | return sprintf (buf,"%d\n", edev->state & EISA_CONFIG_ENABLED); | 173 | return sprintf(buf, "%d\n", edev->state & EISA_CONFIG_ENABLED); |
168 | } | 174 | } |
169 | 175 | ||
170 | static DEVICE_ATTR(enabled, S_IRUGO, eisa_show_state, NULL); | 176 | static DEVICE_ATTR(enabled, S_IRUGO, eisa_show_state, NULL); |
171 | 177 | ||
172 | static ssize_t eisa_show_modalias (struct device *dev, struct device_attribute *attr, char *buf) | 178 | static ssize_t eisa_show_modalias(struct device *dev, |
179 | struct device_attribute *attr, | ||
180 | char *buf) | ||
173 | { | 181 | { |
174 | struct eisa_device *edev = to_eisa_device (dev); | 182 | struct eisa_device *edev = to_eisa_device(dev); |
175 | return sprintf (buf, EISA_DEVICE_MODALIAS_FMT "\n", edev->id.sig); | 183 | return sprintf(buf, EISA_DEVICE_MODALIAS_FMT "\n", edev->id.sig); |
176 | } | 184 | } |
177 | 185 | ||
178 | static DEVICE_ATTR(modalias, S_IRUGO, eisa_show_modalias, NULL); | 186 | static DEVICE_ATTR(modalias, S_IRUGO, eisa_show_modalias, NULL); |
179 | 187 | ||
180 | static int __init eisa_init_device (struct eisa_root_device *root, | 188 | static int __init eisa_init_device(struct eisa_root_device *root, |
181 | struct eisa_device *edev, | 189 | struct eisa_device *edev, |
182 | int slot) | 190 | int slot) |
183 | { | 191 | { |
184 | char *sig; | 192 | char *sig; |
185 | unsigned long sig_addr; | 193 | unsigned long sig_addr; |
186 | int i; | 194 | int i; |
187 | 195 | ||
188 | sig_addr = SLOT_ADDRESS (root, slot) + EISA_VENDOR_ID_OFFSET; | 196 | sig_addr = SLOT_ADDRESS(root, slot) + EISA_VENDOR_ID_OFFSET; |
189 | 197 | ||
190 | if (!(sig = decode_eisa_sig (sig_addr))) | 198 | sig = decode_eisa_sig(sig_addr); |
199 | if (!sig) | ||
191 | return -1; /* No EISA device here */ | 200 | return -1; /* No EISA device here */ |
192 | 201 | ||
193 | memcpy (edev->id.sig, sig, EISA_SIG_LEN); | 202 | memcpy(edev->id.sig, sig, EISA_SIG_LEN); |
194 | edev->slot = slot; | 203 | edev->slot = slot; |
195 | edev->state = inb (SLOT_ADDRESS (root, slot) + EISA_CONFIG_OFFSET) & EISA_CONFIG_ENABLED; | 204 | edev->state = inb(SLOT_ADDRESS(root, slot) + EISA_CONFIG_OFFSET) |
196 | edev->base_addr = SLOT_ADDRESS (root, slot); | 205 | & EISA_CONFIG_ENABLED; |
206 | edev->base_addr = SLOT_ADDRESS(root, slot); | ||
197 | edev->dma_mask = root->dma_mask; /* Default DMA mask */ | 207 | edev->dma_mask = root->dma_mask; /* Default DMA mask */ |
198 | eisa_name_device (edev); | 208 | eisa_name_device(edev); |
199 | edev->dev.parent = root->dev; | 209 | edev->dev.parent = root->dev; |
200 | edev->dev.bus = &eisa_bus_type; | 210 | edev->dev.bus = &eisa_bus_type; |
201 | edev->dev.dma_mask = &edev->dma_mask; | 211 | edev->dev.dma_mask = &edev->dma_mask; |
@@ -210,42 +220,45 @@ static int __init eisa_init_device (struct eisa_root_device *root, | |||
210 | #endif | 220 | #endif |
211 | } | 221 | } |
212 | 222 | ||
213 | if (is_forced_dev (enable_dev, enable_dev_count, root, edev)) | 223 | if (is_forced_dev(enable_dev, enable_dev_count, root, edev)) |
214 | edev->state = EISA_CONFIG_ENABLED | EISA_CONFIG_FORCED; | 224 | edev->state = EISA_CONFIG_ENABLED | EISA_CONFIG_FORCED; |
215 | 225 | ||
216 | if (is_forced_dev (disable_dev, disable_dev_count, root, edev)) | 226 | if (is_forced_dev(disable_dev, disable_dev_count, root, edev)) |
217 | edev->state = EISA_CONFIG_FORCED; | 227 | edev->state = EISA_CONFIG_FORCED; |
218 | 228 | ||
219 | return 0; | 229 | return 0; |
220 | } | 230 | } |
221 | 231 | ||
222 | static int __init eisa_register_device (struct eisa_device *edev) | 232 | static int __init eisa_register_device(struct eisa_device *edev) |
223 | { | 233 | { |
224 | int rc = device_register (&edev->dev); | 234 | int rc = device_register(&edev->dev); |
225 | if (rc) | 235 | if (rc) |
226 | return rc; | 236 | return rc; |
227 | 237 | ||
228 | rc = device_create_file (&edev->dev, &dev_attr_signature); | 238 | rc = device_create_file(&edev->dev, &dev_attr_signature); |
229 | if (rc) goto err_devreg; | 239 | if (rc) |
230 | rc = device_create_file (&edev->dev, &dev_attr_enabled); | 240 | goto err_devreg; |
231 | if (rc) goto err_sig; | 241 | rc = device_create_file(&edev->dev, &dev_attr_enabled); |
232 | rc = device_create_file (&edev->dev, &dev_attr_modalias); | 242 | if (rc) |
233 | if (rc) goto err_enab; | 243 | goto err_sig; |
244 | rc = device_create_file(&edev->dev, &dev_attr_modalias); | ||
245 | if (rc) | ||
246 | goto err_enab; | ||
234 | 247 | ||
235 | return 0; | 248 | return 0; |
236 | 249 | ||
237 | err_enab: | 250 | err_enab: |
238 | device_remove_file (&edev->dev, &dev_attr_enabled); | 251 | device_remove_file(&edev->dev, &dev_attr_enabled); |
239 | err_sig: | 252 | err_sig: |
240 | device_remove_file (&edev->dev, &dev_attr_signature); | 253 | device_remove_file(&edev->dev, &dev_attr_signature); |
241 | err_devreg: | 254 | err_devreg: |
242 | device_unregister(&edev->dev); | 255 | device_unregister(&edev->dev); |
243 | return rc; | 256 | return rc; |
244 | } | 257 | } |
245 | 258 | ||
246 | static int __init eisa_request_resources (struct eisa_root_device *root, | 259 | static int __init eisa_request_resources(struct eisa_root_device *root, |
247 | struct eisa_device *edev, | 260 | struct eisa_device *edev, |
248 | int slot) | 261 | int slot) |
249 | { | 262 | { |
250 | int i; | 263 | int i; |
251 | 264 | ||
@@ -263,17 +276,19 @@ static int __init eisa_request_resources (struct eisa_root_device *root, | |||
263 | 276 | ||
264 | if (slot) { | 277 | if (slot) { |
265 | edev->res[i].name = NULL; | 278 | edev->res[i].name = NULL; |
266 | edev->res[i].start = SLOT_ADDRESS (root, slot) + (i * 0x400); | 279 | edev->res[i].start = SLOT_ADDRESS(root, slot) |
280 | + (i * 0x400); | ||
267 | edev->res[i].end = edev->res[i].start + 0xff; | 281 | edev->res[i].end = edev->res[i].start + 0xff; |
268 | edev->res[i].flags = IORESOURCE_IO; | 282 | edev->res[i].flags = IORESOURCE_IO; |
269 | } else { | 283 | } else { |
270 | edev->res[i].name = NULL; | 284 | edev->res[i].name = NULL; |
271 | edev->res[i].start = SLOT_ADDRESS (root, slot) + EISA_VENDOR_ID_OFFSET; | 285 | edev->res[i].start = SLOT_ADDRESS(root, slot) |
286 | + EISA_VENDOR_ID_OFFSET; | ||
272 | edev->res[i].end = edev->res[i].start + 3; | 287 | edev->res[i].end = edev->res[i].start + 3; |
273 | edev->res[i].flags = IORESOURCE_BUSY; | 288 | edev->res[i].flags = IORESOURCE_BUSY; |
274 | } | 289 | } |
275 | 290 | ||
276 | if (request_resource (root->res, &edev->res[i])) | 291 | if (request_resource(root->res, &edev->res[i])) |
277 | goto failed; | 292 | goto failed; |
278 | } | 293 | } |
279 | 294 | ||
@@ -281,99 +296,100 @@ static int __init eisa_request_resources (struct eisa_root_device *root, | |||
281 | 296 | ||
282 | failed: | 297 | failed: |
283 | while (--i >= 0) | 298 | while (--i >= 0) |
284 | release_resource (&edev->res[i]); | 299 | release_resource(&edev->res[i]); |
285 | 300 | ||
286 | return -1; | 301 | return -1; |
287 | } | 302 | } |
288 | 303 | ||
289 | static void __init eisa_release_resources (struct eisa_device *edev) | 304 | static void __init eisa_release_resources(struct eisa_device *edev) |
290 | { | 305 | { |
291 | int i; | 306 | int i; |
292 | 307 | ||
293 | for (i = 0; i < EISA_MAX_RESOURCES; i++) | 308 | for (i = 0; i < EISA_MAX_RESOURCES; i++) |
294 | if (edev->res[i].start || edev->res[i].end) | 309 | if (edev->res[i].start || edev->res[i].end) |
295 | release_resource (&edev->res[i]); | 310 | release_resource(&edev->res[i]); |
296 | } | 311 | } |
297 | 312 | ||
298 | static int __init eisa_probe (struct eisa_root_device *root) | 313 | static int __init eisa_probe(struct eisa_root_device *root) |
299 | { | 314 | { |
300 | int i, c; | 315 | int i, c; |
301 | struct eisa_device *edev; | 316 | struct eisa_device *edev; |
302 | 317 | ||
303 | printk (KERN_INFO "EISA: Probing bus %d at %s\n", | 318 | printk(KERN_INFO "EISA: Probing bus %d at %s\n", |
304 | root->bus_nr, dev_name(root->dev)); | 319 | root->bus_nr, dev_name(root->dev)); |
305 | 320 | ||
306 | /* First try to get hold of slot 0. If there is no device | 321 | /* First try to get hold of slot 0. If there is no device |
307 | * here, simply fail, unless root->force_probe is set. */ | 322 | * here, simply fail, unless root->force_probe is set. */ |
308 | 323 | ||
309 | if (!(edev = kzalloc (sizeof (*edev), GFP_KERNEL))) { | 324 | edev = kzalloc(sizeof(*edev), GFP_KERNEL); |
310 | printk (KERN_ERR "EISA: Couldn't allocate mainboard slot\n"); | 325 | if (!edev) { |
326 | printk(KERN_ERR "EISA: Couldn't allocate mainboard slot\n"); | ||
311 | return -ENOMEM; | 327 | return -ENOMEM; |
312 | } | 328 | } |
313 | 329 | ||
314 | if (eisa_request_resources (root, edev, 0)) { | 330 | if (eisa_request_resources(root, edev, 0)) { |
315 | printk (KERN_WARNING \ | 331 | printk(KERN_WARNING \ |
316 | "EISA: Cannot allocate resource for mainboard\n"); | 332 | "EISA: Cannot allocate resource for mainboard\n"); |
317 | kfree (edev); | 333 | kfree(edev); |
318 | if (!root->force_probe) | 334 | if (!root->force_probe) |
319 | return -EBUSY; | 335 | return -EBUSY; |
320 | goto force_probe; | 336 | goto force_probe; |
321 | } | 337 | } |
322 | 338 | ||
323 | if (eisa_init_device (root, edev, 0)) { | 339 | if (eisa_init_device(root, edev, 0)) { |
324 | eisa_release_resources (edev); | 340 | eisa_release_resources(edev); |
325 | kfree (edev); | 341 | kfree(edev); |
326 | if (!root->force_probe) | 342 | if (!root->force_probe) |
327 | return -ENODEV; | 343 | return -ENODEV; |
328 | goto force_probe; | 344 | goto force_probe; |
329 | } | 345 | } |
330 | 346 | ||
331 | printk (KERN_INFO "EISA: Mainboard %s detected.\n", edev->id.sig); | 347 | printk(KERN_INFO "EISA: Mainboard %s detected.\n", edev->id.sig); |
332 | 348 | ||
333 | if (eisa_register_device (edev)) { | 349 | if (eisa_register_device(edev)) { |
334 | printk (KERN_ERR "EISA: Failed to register %s\n", | 350 | printk(KERN_ERR "EISA: Failed to register %s\n", |
335 | edev->id.sig); | 351 | edev->id.sig); |
336 | eisa_release_resources (edev); | 352 | eisa_release_resources(edev); |
337 | kfree (edev); | 353 | kfree(edev); |
338 | } | 354 | } |
339 | 355 | ||
340 | force_probe: | 356 | force_probe: |
341 | 357 | ||
342 | for (c = 0, i = 1; i <= root->slots; i++) { | 358 | for (c = 0, i = 1; i <= root->slots; i++) { |
343 | if (!(edev = kzalloc (sizeof (*edev), GFP_KERNEL))) { | 359 | edev = kzalloc(sizeof(*edev), GFP_KERNEL); |
344 | printk (KERN_ERR "EISA: Out of memory for slot %d\n", | 360 | if (!edev) { |
345 | i); | 361 | printk(KERN_ERR "EISA: Out of memory for slot %d\n", i); |
346 | continue; | 362 | continue; |
347 | } | 363 | } |
348 | 364 | ||
349 | if (eisa_request_resources (root, edev, i)) { | 365 | if (eisa_request_resources(root, edev, i)) { |
350 | printk (KERN_WARNING \ | 366 | printk(KERN_WARNING \ |
351 | "Cannot allocate resource for EISA slot %d\n", | 367 | "Cannot allocate resource for EISA slot %d\n", |
352 | i); | 368 | i); |
353 | kfree (edev); | 369 | kfree(edev); |
354 | continue; | 370 | continue; |
355 | } | 371 | } |
356 | 372 | ||
357 | if (eisa_init_device (root, edev, i)) { | 373 | if (eisa_init_device(root, edev, i)) { |
358 | eisa_release_resources (edev); | 374 | eisa_release_resources(edev); |
359 | kfree (edev); | 375 | kfree(edev); |
360 | continue; | 376 | continue; |
361 | } | 377 | } |
362 | 378 | ||
363 | printk (KERN_INFO "EISA: slot %d : %s detected", | 379 | printk(KERN_INFO "EISA: slot %d : %s detected", |
364 | i, edev->id.sig); | 380 | i, edev->id.sig); |
365 | 381 | ||
366 | switch (edev->state) { | 382 | switch (edev->state) { |
367 | case EISA_CONFIG_ENABLED | EISA_CONFIG_FORCED: | 383 | case EISA_CONFIG_ENABLED | EISA_CONFIG_FORCED: |
368 | printk (" (forced enabled)"); | 384 | printk(" (forced enabled)"); |
369 | break; | 385 | break; |
370 | 386 | ||
371 | case EISA_CONFIG_FORCED: | 387 | case EISA_CONFIG_FORCED: |
372 | printk (" (forced disabled)"); | 388 | printk(" (forced disabled)"); |
373 | break; | 389 | break; |
374 | 390 | ||
375 | case 0: | 391 | case 0: |
376 | printk (" (disabled)"); | 392 | printk(" (disabled)"); |
377 | break; | 393 | break; |
378 | } | 394 | } |
379 | 395 | ||
@@ -381,15 +397,15 @@ static int __init eisa_probe (struct eisa_root_device *root) | |||
381 | 397 | ||
382 | c++; | 398 | c++; |
383 | 399 | ||
384 | if (eisa_register_device (edev)) { | 400 | if (eisa_register_device(edev)) { |
385 | printk (KERN_ERR "EISA: Failed to register %s\n", | 401 | printk(KERN_ERR "EISA: Failed to register %s\n", |
386 | edev->id.sig); | 402 | edev->id.sig); |
387 | eisa_release_resources (edev); | 403 | eisa_release_resources(edev); |
388 | kfree (edev); | 404 | kfree(edev); |
389 | } | 405 | } |
390 | } | 406 | } |
391 | 407 | ||
392 | printk (KERN_INFO "EISA: Detected %d card%s.\n", c, c == 1 ? "" : "s"); | 408 | printk(KERN_INFO "EISA: Detected %d card%s.\n", c, c == 1 ? "" : "s"); |
393 | 409 | ||
394 | return 0; | 410 | return 0; |
395 | } | 411 | } |
@@ -403,7 +419,7 @@ static struct resource eisa_root_res = { | |||
403 | 419 | ||
404 | static int eisa_bus_count; | 420 | static int eisa_bus_count; |
405 | 421 | ||
406 | int __init eisa_root_register (struct eisa_root_device *root) | 422 | int __init eisa_root_register(struct eisa_root_device *root) |
407 | { | 423 | { |
408 | int err; | 424 | int err; |
409 | 425 | ||
@@ -417,35 +433,35 @@ int __init eisa_root_register (struct eisa_root_device *root) | |||
417 | root->eisa_root_res.end = root->res->end; | 433 | root->eisa_root_res.end = root->res->end; |
418 | root->eisa_root_res.flags = IORESOURCE_BUSY; | 434 | root->eisa_root_res.flags = IORESOURCE_BUSY; |
419 | 435 | ||
420 | if ((err = request_resource (&eisa_root_res, &root->eisa_root_res))) | 436 | err = request_resource(&eisa_root_res, &root->eisa_root_res); |
437 | if (err) | ||
421 | return err; | 438 | return err; |
422 | 439 | ||
423 | root->bus_nr = eisa_bus_count++; | 440 | root->bus_nr = eisa_bus_count++; |
424 | 441 | ||
425 | if ((err = eisa_probe (root))) | 442 | err = eisa_probe(root); |
426 | release_resource (&root->eisa_root_res); | 443 | if (err) |
444 | release_resource(&root->eisa_root_res); | ||
427 | 445 | ||
428 | return err; | 446 | return err; |
429 | } | 447 | } |
430 | 448 | ||
431 | static int __init eisa_init (void) | 449 | static int __init eisa_init(void) |
432 | { | 450 | { |
433 | int r; | 451 | int r; |
434 | 452 | ||
435 | if ((r = bus_register (&eisa_bus_type))) | 453 | r = bus_register(&eisa_bus_type); |
454 | if (r) | ||
436 | return r; | 455 | return r; |
437 | 456 | ||
438 | printk (KERN_INFO "EISA bus registered\n"); | 457 | printk(KERN_INFO "EISA bus registered\n"); |
439 | return 0; | 458 | return 0; |
440 | } | 459 | } |
441 | 460 | ||
442 | module_param_array(enable_dev, int, &enable_dev_count, 0444); | 461 | module_param_array(enable_dev, int, &enable_dev_count, 0444); |
443 | module_param_array(disable_dev, int, &disable_dev_count, 0444); | 462 | module_param_array(disable_dev, int, &disable_dev_count, 0444); |
444 | 463 | ||
445 | postcore_initcall (eisa_init); | 464 | postcore_initcall(eisa_init); |
446 | 465 | ||
447 | int EISA_bus; /* for legacy drivers */ | 466 | int EISA_bus; /* for legacy drivers */ |
448 | EXPORT_SYMBOL (EISA_bus); | 467 | EXPORT_SYMBOL(EISA_bus); |
449 | EXPORT_SYMBOL (eisa_bus_type); | ||
450 | EXPORT_SYMBOL (eisa_driver_register); | ||
451 | EXPORT_SYMBOL (eisa_driver_unregister); | ||