blob: 2b378207d571b6bbd2220ac4b7deb263537b34b4 [file] [log] [blame]
Dave Jiang91b99042007-07-19 01:49:52 -07001/*
2 * EDAC PCI component
3 *
4 * Author: Dave Jiang <djiang@mvista.com>
5 *
6 * 2007 (c) MontaVista Software, Inc. This file is licensed under
7 * the terms of the GNU General Public License version 2. This program
8 * is licensed "as is" without any warranty of any kind, whether express
9 * or implied.
10 *
11 */
12#include <linux/module.h>
13#include <linux/types.h>
14#include <linux/smp.h>
15#include <linux/init.h>
16#include <linux/sysctl.h>
17#include <linux/highmem.h>
18#include <linux/timer.h>
19#include <linux/slab.h>
20#include <linux/spinlock.h>
21#include <linux/list.h>
22#include <linux/sysdev.h>
23#include <linux/ctype.h>
24#include <linux/workqueue.h>
25#include <asm/uaccess.h>
26#include <asm/page.h>
27
28#include "edac_core.h"
29#include "edac_module.h"
30
31static DEFINE_MUTEX(edac_pci_ctls_mutex);
Robert P. J. Dayff6ac2a2008-04-29 01:03:17 -070032static LIST_HEAD(edac_pci_list);
Harry Ciao8641a382009-04-02 16:58:47 -070033static atomic_t pci_indexes = ATOMIC_INIT(0);
Dave Jiang91b99042007-07-19 01:49:52 -070034
Dave Jiang91b99042007-07-19 01:49:52 -070035/*
Doug Thompsond4c14652007-07-26 10:41:15 -070036 * edac_pci_alloc_ctl_info
37 *
38 * The alloc() function for the 'edac_pci' control info
39 * structure. The chip driver will allocate one of these for each
40 * edac_pci it is going to control/register with the EDAC CORE.
Dave Jiang91b99042007-07-19 01:49:52 -070041 */
Douglas Thompson079708b2007-07-19 01:49:58 -070042struct edac_pci_ctl_info *edac_pci_alloc_ctl_info(unsigned int sz_pvt,
Douglas Thompson052dfb42007-07-19 01:50:13 -070043 const char *edac_pci_name)
Dave Jiang91b99042007-07-19 01:49:52 -070044{
45 struct edac_pci_ctl_info *pci;
46 void *pvt;
47 unsigned int size;
48
Doug Thompsond4c14652007-07-26 10:41:15 -070049 debugf1("%s()\n", __func__);
50
Dave Jiang91b99042007-07-19 01:49:52 -070051 pci = (struct edac_pci_ctl_info *)0;
52 pvt = edac_align_ptr(&pci[1], sz_pvt);
53 size = ((unsigned long)pvt) + sz_pvt;
54
Doug Thompsond4c14652007-07-26 10:41:15 -070055 /* Alloc the needed control struct memory */
56 pci = kzalloc(size, GFP_KERNEL);
57 if (pci == NULL)
Dave Jiang91b99042007-07-19 01:49:52 -070058 return NULL;
59
Doug Thompsond4c14652007-07-26 10:41:15 -070060 /* Now much private space */
Dave Jiang91b99042007-07-19 01:49:52 -070061 pvt = sz_pvt ? ((char *)pci) + ((unsigned long)pvt) : NULL;
62
63 pci->pvt_info = pvt;
Dave Jiang91b99042007-07-19 01:49:52 -070064 pci->op_state = OP_ALLOC;
65
Douglas Thompson079708b2007-07-19 01:49:58 -070066 snprintf(pci->name, strlen(edac_pci_name) + 1, "%s", edac_pci_name);
Dave Jiang91b99042007-07-19 01:49:52 -070067
68 return pci;
69}
70EXPORT_SYMBOL_GPL(edac_pci_alloc_ctl_info);
71
72/*
73 * edac_pci_free_ctl_info()
Doug Thompsond4c14652007-07-26 10:41:15 -070074 *
75 * Last action on the pci control structure.
76 *
Joe Perches6f042b52008-02-03 17:12:34 +020077 * call the remove sysfs information, which will unregister
Doug Thompsond4c14652007-07-26 10:41:15 -070078 * this control struct's kobj. When that kobj's ref count
79 * goes to zero, its release function will be call and then
80 * kfree() the memory.
Dave Jiang91b99042007-07-19 01:49:52 -070081 */
82void edac_pci_free_ctl_info(struct edac_pci_ctl_info *pci)
83{
Doug Thompsond4c14652007-07-26 10:41:15 -070084 debugf1("%s()\n", __func__);
Douglas Thompson079708b2007-07-19 01:49:58 -070085
Doug Thompsond4c14652007-07-26 10:41:15 -070086 edac_pci_remove_sysfs(pci);
87}
Dave Jiang91b99042007-07-19 01:49:52 -070088EXPORT_SYMBOL_GPL(edac_pci_free_ctl_info);
89
90/*
91 * find_edac_pci_by_dev()
92 * scans the edac_pci list for a specific 'struct device *'
Doug Thompsond4c14652007-07-26 10:41:15 -070093 *
94 * return NULL if not found, or return control struct pointer
Dave Jiang91b99042007-07-19 01:49:52 -070095 */
Douglas Thompson079708b2007-07-19 01:49:58 -070096static struct edac_pci_ctl_info *find_edac_pci_by_dev(struct device *dev)
Dave Jiang91b99042007-07-19 01:49:52 -070097{
98 struct edac_pci_ctl_info *pci;
99 struct list_head *item;
100
Doug Thompsond4c14652007-07-26 10:41:15 -0700101 debugf1("%s()\n", __func__);
Dave Jiang91b99042007-07-19 01:49:52 -0700102
103 list_for_each(item, &edac_pci_list) {
104 pci = list_entry(item, struct edac_pci_ctl_info, link);
105
106 if (pci->dev == dev)
107 return pci;
108 }
109
110 return NULL;
111}
112
113/*
114 * add_edac_pci_to_global_list
115 * Before calling this function, caller must assign a unique value to
116 * edac_dev->pci_idx.
117 * Return:
118 * 0 on success
119 * 1 on failure
120 */
121static int add_edac_pci_to_global_list(struct edac_pci_ctl_info *pci)
122{
123 struct list_head *item, *insert_before;
124 struct edac_pci_ctl_info *rover;
125
Doug Thompsond4c14652007-07-26 10:41:15 -0700126 debugf1("%s()\n", __func__);
127
Dave Jiang91b99042007-07-19 01:49:52 -0700128 insert_before = &edac_pci_list;
129
130 /* Determine if already on the list */
Doug Thompsond4c14652007-07-26 10:41:15 -0700131 rover = find_edac_pci_by_dev(pci->dev);
132 if (unlikely(rover != NULL))
Dave Jiang91b99042007-07-19 01:49:52 -0700133 goto fail0;
134
135 /* Insert in ascending order by 'pci_idx', so find position */
136 list_for_each(item, &edac_pci_list) {
137 rover = list_entry(item, struct edac_pci_ctl_info, link);
138
139 if (rover->pci_idx >= pci->pci_idx) {
140 if (unlikely(rover->pci_idx == pci->pci_idx))
141 goto fail1;
142
143 insert_before = item;
144 break;
145 }
146 }
147
148 list_add_tail_rcu(&pci->link, insert_before);
149 return 0;
150
Douglas Thompson052dfb42007-07-19 01:50:13 -0700151fail0:
Dave Jiang91b99042007-07-19 01:49:52 -0700152 edac_printk(KERN_WARNING, EDAC_PCI,
Douglas Thompson052dfb42007-07-19 01:50:13 -0700153 "%s (%s) %s %s already assigned %d\n",
Kay Sievers281efb12009-01-06 14:42:57 -0800154 dev_name(rover->dev), edac_dev_name(rover),
Douglas Thompson052dfb42007-07-19 01:50:13 -0700155 rover->mod_name, rover->ctl_name, rover->pci_idx);
Dave Jiang91b99042007-07-19 01:49:52 -0700156 return 1;
157
Douglas Thompson052dfb42007-07-19 01:50:13 -0700158fail1:
Dave Jiang91b99042007-07-19 01:49:52 -0700159 edac_printk(KERN_WARNING, EDAC_PCI,
Douglas Thompson052dfb42007-07-19 01:50:13 -0700160 "but in low-level driver: attempt to assign\n"
161 "\tduplicate pci_idx %d in %s()\n", rover->pci_idx,
162 __func__);
Dave Jiang91b99042007-07-19 01:49:52 -0700163 return 1;
164}
165
166/*
Dave Jiang91b99042007-07-19 01:49:52 -0700167 * del_edac_pci_from_global_list
Doug Thompsond4c14652007-07-26 10:41:15 -0700168 *
169 * remove the PCI control struct from the global list
Dave Jiang91b99042007-07-19 01:49:52 -0700170 */
171static void del_edac_pci_from_global_list(struct edac_pci_ctl_info *pci)
172{
173 list_del_rcu(&pci->link);
Lai Jiangshane2e77092011-05-26 16:25:58 -0700174
175 /* these are for safe removal of devices from global list while
176 * NMI handlers may be traversing list
177 */
178 synchronize_rcu();
179 INIT_LIST_HEAD(&pci->link);
Dave Jiang91b99042007-07-19 01:49:52 -0700180}
181
Adrian Bunk1a450272008-04-29 01:03:18 -0700182#if 0
183/* Older code, but might use in the future */
184
Dave Jiang91b99042007-07-19 01:49:52 -0700185/*
186 * edac_pci_find()
187 * Search for an edac_pci_ctl_info structure whose index is 'idx'
188 *
189 * If found, return a pointer to the structure
190 * Else return NULL.
191 *
192 * Caller must hold pci_ctls_mutex.
193 */
Douglas Thompson079708b2007-07-19 01:49:58 -0700194struct edac_pci_ctl_info *edac_pci_find(int idx)
Dave Jiang91b99042007-07-19 01:49:52 -0700195{
196 struct list_head *item;
197 struct edac_pci_ctl_info *pci;
198
199 /* Iterage over list, looking for exact match of ID */
200 list_for_each(item, &edac_pci_list) {
201 pci = list_entry(item, struct edac_pci_ctl_info, link);
202
203 if (pci->pci_idx >= idx) {
204 if (pci->pci_idx == idx)
205 return pci;
206
Douglas Thompson079708b2007-07-19 01:49:58 -0700207 /* not on list, so terminate early */
Dave Jiang91b99042007-07-19 01:49:52 -0700208 break;
209 }
210 }
211
212 return NULL;
213}
214EXPORT_SYMBOL_GPL(edac_pci_find);
Adrian Bunk1a450272008-04-29 01:03:18 -0700215#endif
Dave Jiang91b99042007-07-19 01:49:52 -0700216
217/*
218 * edac_pci_workq_function()
Doug Thompsond4c14652007-07-26 10:41:15 -0700219 *
220 * periodic function that performs the operation
221 * scheduled by a workq request, for a given PCI control struct
Dave Jiang91b99042007-07-19 01:49:52 -0700222 */
Dave Jiang91b99042007-07-19 01:49:52 -0700223static void edac_pci_workq_function(struct work_struct *work_req)
224{
Jean Delvarefbeb4382009-04-13 14:40:21 -0700225 struct delayed_work *d_work = to_delayed_work(work_req);
Dave Jiang91b99042007-07-19 01:49:52 -0700226 struct edac_pci_ctl_info *pci = to_edac_pci_ctl_work(d_work);
Doug Thompsond4c14652007-07-26 10:41:15 -0700227 int msec;
228 unsigned long delay;
Dave Jiang91b99042007-07-19 01:49:52 -0700229
Doug Thompsond4c14652007-07-26 10:41:15 -0700230 debugf3("%s() checking\n", __func__);
Dave Jiang91b99042007-07-19 01:49:52 -0700231
Doug Thompsond4c14652007-07-26 10:41:15 -0700232 mutex_lock(&edac_pci_ctls_mutex);
Dave Jiang91b99042007-07-19 01:49:52 -0700233
Doug Thompsond4c14652007-07-26 10:41:15 -0700234 if (pci->op_state == OP_RUNNING_POLL) {
235 /* we might be in POLL mode, but there may NOT be a poll func
236 */
237 if ((pci->edac_check != NULL) && edac_pci_get_check_errors())
238 pci->edac_check(pci);
Dave Jiang91b99042007-07-19 01:49:52 -0700239
Doug Thompsond4c14652007-07-26 10:41:15 -0700240 /* if we are on a one second period, then use round */
241 msec = edac_pci_get_poll_msec();
242 if (msec == 1000)
Anton Blanchardc2ae24c2008-02-07 00:14:51 -0800243 delay = round_jiffies_relative(msecs_to_jiffies(msec));
Doug Thompsond4c14652007-07-26 10:41:15 -0700244 else
245 delay = msecs_to_jiffies(msec);
246
247 /* Reschedule only if we are in POLL mode */
248 queue_delayed_work(edac_workqueue, &pci->work, delay);
249 }
250
251 mutex_unlock(&edac_pci_ctls_mutex);
Dave Jiang91b99042007-07-19 01:49:52 -0700252}
253
254/*
255 * edac_pci_workq_setup()
256 * initialize a workq item for this edac_pci instance
257 * passing in the new delay period in msec
Doug Thompsond4c14652007-07-26 10:41:15 -0700258 *
259 * locking model:
260 * called when 'edac_pci_ctls_mutex' is locked
Dave Jiang91b99042007-07-19 01:49:52 -0700261 */
262static void edac_pci_workq_setup(struct edac_pci_ctl_info *pci,
Douglas Thompson079708b2007-07-19 01:49:58 -0700263 unsigned int msec)
Dave Jiang91b99042007-07-19 01:49:52 -0700264{
265 debugf0("%s()\n", __func__);
266
Dave Jiang91b99042007-07-19 01:49:52 -0700267 INIT_DELAYED_WORK(&pci->work, edac_pci_workq_function);
Dave Jiang4de78c62007-07-19 01:49:54 -0700268 queue_delayed_work(edac_workqueue, &pci->work,
Douglas Thompson052dfb42007-07-19 01:50:13 -0700269 msecs_to_jiffies(edac_pci_get_poll_msec()));
Dave Jiang91b99042007-07-19 01:49:52 -0700270}
271
272/*
273 * edac_pci_workq_teardown()
274 * stop the workq processing on this edac_pci instance
275 */
276static void edac_pci_workq_teardown(struct edac_pci_ctl_info *pci)
277{
278 int status;
279
Doug Thompsond4c14652007-07-26 10:41:15 -0700280 debugf0("%s()\n", __func__);
281
Dave Jiang91b99042007-07-19 01:49:52 -0700282 status = cancel_delayed_work(&pci->work);
283 if (status == 0)
284 flush_workqueue(edac_workqueue);
285}
286
287/*
288 * edac_pci_reset_delay_period
Doug Thompsond4c14652007-07-26 10:41:15 -0700289 *
290 * called with a new period value for the workq period
291 * a) stop current workq timer
292 * b) restart workq timer with new value
Dave Jiang91b99042007-07-19 01:49:52 -0700293 */
294void edac_pci_reset_delay_period(struct edac_pci_ctl_info *pci,
Douglas Thompson079708b2007-07-19 01:49:58 -0700295 unsigned long value)
Dave Jiang91b99042007-07-19 01:49:52 -0700296{
Doug Thompsond4c14652007-07-26 10:41:15 -0700297 debugf0("%s()\n", __func__);
Dave Jiang91b99042007-07-19 01:49:52 -0700298
299 edac_pci_workq_teardown(pci);
300
Doug Thompsond4c14652007-07-26 10:41:15 -0700301 /* need to lock for the setup */
302 mutex_lock(&edac_pci_ctls_mutex);
303
Dave Jiang91b99042007-07-19 01:49:52 -0700304 edac_pci_workq_setup(pci, value);
305
Doug Thompsond4c14652007-07-26 10:41:15 -0700306 mutex_unlock(&edac_pci_ctls_mutex);
Dave Jiang91b99042007-07-19 01:49:52 -0700307}
308EXPORT_SYMBOL_GPL(edac_pci_reset_delay_period);
309
310/*
Harry Ciao8641a382009-04-02 16:58:47 -0700311 * edac_pci_alloc_index: Allocate a unique PCI index number
312 *
313 * Return:
314 * allocated index number
315 *
316 */
317int edac_pci_alloc_index(void)
318{
319 return atomic_inc_return(&pci_indexes) - 1;
320}
321EXPORT_SYMBOL_GPL(edac_pci_alloc_index);
322
323/*
Dave Jiang91b99042007-07-19 01:49:52 -0700324 * edac_pci_add_device: Insert the 'edac_dev' structure into the
325 * edac_pci global list and create sysfs entries associated with
326 * edac_pci structure.
327 * @pci: pointer to the edac_device structure to be added to the list
328 * @edac_idx: A unique numeric identifier to be assigned to the
329 * 'edac_pci' structure.
330 *
331 * Return:
332 * 0 Success
333 * !0 Failure
334 */
335int edac_pci_add_device(struct edac_pci_ctl_info *pci, int edac_idx)
336{
337 debugf0("%s()\n", __func__);
338
339 pci->pci_idx = edac_idx;
Doug Thompsond4c14652007-07-26 10:41:15 -0700340 pci->start_time = jiffies;
Dave Jiang91b99042007-07-19 01:49:52 -0700341
Doug Thompsond4c14652007-07-26 10:41:15 -0700342 mutex_lock(&edac_pci_ctls_mutex);
Dave Jiang91b99042007-07-19 01:49:52 -0700343
344 if (add_edac_pci_to_global_list(pci))
345 goto fail0;
346
Dave Jiang91b99042007-07-19 01:49:52 -0700347 if (edac_pci_create_sysfs(pci)) {
348 edac_pci_printk(pci, KERN_WARNING,
349 "failed to create sysfs pci\n");
350 goto fail1;
351 }
352
353 if (pci->edac_check != NULL) {
354 pci->op_state = OP_RUNNING_POLL;
355
356 edac_pci_workq_setup(pci, 1000);
357 } else {
358 pci->op_state = OP_RUNNING_INTERRUPT;
359 }
360
361 edac_pci_printk(pci, KERN_INFO,
Douglas Thompson079708b2007-07-19 01:49:58 -0700362 "Giving out device to module '%s' controller '%s':"
363 " DEV '%s' (%s)\n",
364 pci->mod_name,
365 pci->ctl_name,
Stephen Rothwell17aa7e02008-05-05 13:54:19 +1000366 edac_dev_name(pci), edac_op_state_to_string(pci->op_state));
Dave Jiang91b99042007-07-19 01:49:52 -0700367
Doug Thompsond4c14652007-07-26 10:41:15 -0700368 mutex_unlock(&edac_pci_ctls_mutex);
Dave Jiang91b99042007-07-19 01:49:52 -0700369 return 0;
370
Doug Thompsond4c14652007-07-26 10:41:15 -0700371 /* error unwind stack */
Douglas Thompson052dfb42007-07-19 01:50:13 -0700372fail1:
Dave Jiang91b99042007-07-19 01:49:52 -0700373 del_edac_pci_from_global_list(pci);
Douglas Thompson052dfb42007-07-19 01:50:13 -0700374fail0:
Doug Thompsond4c14652007-07-26 10:41:15 -0700375 mutex_unlock(&edac_pci_ctls_mutex);
Dave Jiang91b99042007-07-19 01:49:52 -0700376 return 1;
377}
378EXPORT_SYMBOL_GPL(edac_pci_add_device);
379
380/*
381 * edac_pci_del_device()
382 * Remove sysfs entries for specified edac_pci structure and
383 * then remove edac_pci structure from global list
384 *
385 * @dev:
386 * Pointer to 'struct device' representing edac_pci structure
387 * to remove
388 *
389 * Return:
390 * Pointer to removed edac_pci structure,
391 * or NULL if device not found
392 */
Douglas Thompson079708b2007-07-19 01:49:58 -0700393struct edac_pci_ctl_info *edac_pci_del_device(struct device *dev)
Dave Jiang91b99042007-07-19 01:49:52 -0700394{
395 struct edac_pci_ctl_info *pci;
396
397 debugf0("%s()\n", __func__);
398
Doug Thompsond4c14652007-07-26 10:41:15 -0700399 mutex_lock(&edac_pci_ctls_mutex);
Dave Jiang91b99042007-07-19 01:49:52 -0700400
Doug Thompsond4c14652007-07-26 10:41:15 -0700401 /* ensure the control struct is on the global list
402 * if not, then leave
403 */
404 pci = find_edac_pci_by_dev(dev);
405 if (pci == NULL) {
406 mutex_unlock(&edac_pci_ctls_mutex);
Dave Jiang91b99042007-07-19 01:49:52 -0700407 return NULL;
408 }
409
410 pci->op_state = OP_OFFLINE;
411
Dave Jiang91b99042007-07-19 01:49:52 -0700412 del_edac_pci_from_global_list(pci);
413
Doug Thompsond4c14652007-07-26 10:41:15 -0700414 mutex_unlock(&edac_pci_ctls_mutex);
415
416 /* stop the workq timer */
417 edac_pci_workq_teardown(pci);
Dave Jiang91b99042007-07-19 01:49:52 -0700418
419 edac_printk(KERN_INFO, EDAC_PCI,
Douglas Thompson052dfb42007-07-19 01:50:13 -0700420 "Removed device %d for %s %s: DEV %s\n",
Stephen Rothwell17aa7e02008-05-05 13:54:19 +1000421 pci->pci_idx, pci->mod_name, pci->ctl_name, edac_dev_name(pci));
Dave Jiang91b99042007-07-19 01:49:52 -0700422
423 return pci;
424}
425EXPORT_SYMBOL_GPL(edac_pci_del_device);
426
Doug Thompsond4c14652007-07-26 10:41:15 -0700427/*
428 * edac_pci_generic_check
429 *
430 * a Generic parity check API
431 */
Adrian Bunk1a450272008-04-29 01:03:18 -0700432static void edac_pci_generic_check(struct edac_pci_ctl_info *pci)
Dave Jiang91b99042007-07-19 01:49:52 -0700433{
Doug Thompsond4c14652007-07-26 10:41:15 -0700434 debugf4("%s()\n", __func__);
Dave Jiang91b99042007-07-19 01:49:52 -0700435 edac_pci_do_parity_check();
436}
437
Doug Thompsond4c14652007-07-26 10:41:15 -0700438/* free running instance index counter */
Douglas Thompsonf0440912007-07-19 01:50:19 -0700439static int edac_pci_idx;
Dave Jiang91b99042007-07-19 01:49:52 -0700440#define EDAC_PCI_GENCTL_NAME "EDAC PCI controller"
441
442struct edac_pci_gen_data {
443 int edac_idx;
444};
445
Doug Thompsond4c14652007-07-26 10:41:15 -0700446/*
447 * edac_pci_create_generic_ctl
448 *
449 * A generic constructor for a PCI parity polling device
450 * Some systems have more than one domain of PCI busses.
451 * For systems with one domain, then this API will
452 * provide for a generic poller.
453 *
454 * This routine calls the edac_pci_alloc_ctl_info() for
455 * the generic device, with default values
456 */
Douglas Thompson079708b2007-07-19 01:49:58 -0700457struct edac_pci_ctl_info *edac_pci_create_generic_ctl(struct device *dev,
Douglas Thompson052dfb42007-07-19 01:50:13 -0700458 const char *mod_name)
Dave Jiang91b99042007-07-19 01:49:52 -0700459{
460 struct edac_pci_ctl_info *pci;
461 struct edac_pci_gen_data *pdata;
462
463 pci = edac_pci_alloc_ctl_info(sizeof(*pdata), EDAC_PCI_GENCTL_NAME);
464 if (!pci)
465 return NULL;
466
467 pdata = pci->pvt_info;
468 pci->dev = dev;
469 dev_set_drvdata(pci->dev, pci);
470 pci->dev_name = pci_name(to_pci_dev(dev));
471
472 pci->mod_name = mod_name;
473 pci->ctl_name = EDAC_PCI_GENCTL_NAME;
474 pci->edac_check = edac_pci_generic_check;
475
476 pdata->edac_idx = edac_pci_idx++;
477
478 if (edac_pci_add_device(pci, pdata->edac_idx) > 0) {
479 debugf3("%s(): failed edac_pci_add_device()\n", __func__);
480 edac_pci_free_ctl_info(pci);
481 return NULL;
482 }
483
484 return pci;
485}
486EXPORT_SYMBOL_GPL(edac_pci_create_generic_ctl);
487
Doug Thompsond4c14652007-07-26 10:41:15 -0700488/*
489 * edac_pci_release_generic_ctl
490 *
491 * The release function of a generic EDAC PCI polling device
492 */
Dave Jiang91b99042007-07-19 01:49:52 -0700493void edac_pci_release_generic_ctl(struct edac_pci_ctl_info *pci)
494{
Doug Thompsond4c14652007-07-26 10:41:15 -0700495 debugf0("%s() pci mod=%s\n", __func__, pci->mod_name);
496
Dave Jiang91b99042007-07-19 01:49:52 -0700497 edac_pci_del_device(pci->dev);
498 edac_pci_free_ctl_info(pci);
499}
Dave Jiang91b99042007-07-19 01:49:52 -0700500EXPORT_SYMBOL_GPL(edac_pci_release_generic_ctl);