1 /*======================================================================
3 Common support code for the PCMCIA control functionality of
4 integrated SOCs like the SA-11x0 and PXA2xx microprocessors.
6 The contents of this file are subject to the Mozilla Public
7 License Version 1.1 (the "License"); you may not use this file
8 except in compliance with the License. You may obtain a copy of
9 the License at http://www.mozilla.org/MPL/
11 Software distributed under the License is distributed on an "AS
12 IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
13 implied. See the License for the specific language governing
14 rights and limitations under the License.
16 The initial developer of the original code is John G. Dorsey
17 <john+@cs.cmu.edu>. Portions created by John G. Dorsey are
18 Copyright (C) 1999 John G. Dorsey. All Rights Reserved.
20 Alternatively, the contents of this file may be used under the
21 terms of the GNU Public License version 2 (the "GPL"), in which
22 case the provisions of the GPL are applicable instead of the
23 above. If you wish to allow the use of your version of this file
24 only under the terms of the GPL and not to allow others to use
25 your version of this file under the MPL, indicate your decision
26 by deleting the provisions above and replace them with the notice
27 and other provisions required by the GPL. If you do not delete
28 the provisions above, a recipient may use your version of this
29 file under either the MPL or the GPL.
31 ======================================================================*/
34 #include <linux/config.h>
35 #include <linux/module.h>
36 #include <linux/moduleparam.h>
37 #include <linux/init.h>
38 #include <linux/kernel.h>
39 #include <linux/timer.h>
41 #include <linux/interrupt.h>
42 #include <linux/spinlock.h>
43 #include <linux/cpufreq.h>
45 #include <asm/hardware.h>
48 #include <asm/system.h>
50 #include "soc_common.h"
52 /* FIXME: platform dependent resource declaration has to move out of this file */
53 #ifdef CONFIG_ARCH_PXA
54 #include <asm/arch/pxa-regs.h>
60 module_param(pc_debug, int, 0644);
62 void soc_pcmcia_debug(struct soc_pcmcia_socket *skt, const char *func,
63 int lvl, const char *fmt, ...)
67 printk(KERN_DEBUG "skt%u: %s: ", skt->nr, func);
76 #define to_soc_pcmcia_socket(x) container_of(x, struct soc_pcmcia_socket, socket)
79 calc_speed(unsigned short *spds, int num, unsigned short dflt)
81 unsigned short speed = 0;
84 for (i = 0; i < num; i++)
93 void soc_common_pcmcia_get_timing(struct soc_pcmcia_socket *skt, struct soc_pcmcia_timing *timing)
95 timing->io = calc_speed(skt->spd_io, MAX_IO_WIN, SOC_PCMCIA_IO_ACCESS);
96 timing->mem = calc_speed(skt->spd_mem, MAX_WIN, SOC_PCMCIA_3V_MEM_ACCESS);
97 timing->attr = calc_speed(skt->spd_attr, MAX_WIN, SOC_PCMCIA_3V_MEM_ACCESS);
99 EXPORT_SYMBOL(soc_common_pcmcia_get_timing);
101 static unsigned int soc_common_pcmcia_skt_state(struct soc_pcmcia_socket *skt)
103 struct pcmcia_state state;
106 memset(&state, 0, sizeof(struct pcmcia_state));
108 skt->ops->socket_state(skt, &state);
110 stat = state.detect ? SS_DETECT : 0;
111 stat |= state.ready ? SS_READY : 0;
112 stat |= state.wrprot ? SS_WRPROT : 0;
113 stat |= state.vs_3v ? SS_3VCARD : 0;
114 stat |= state.vs_Xv ? SS_XVCARD : 0;
116 /* The power status of individual sockets is not available
117 * explicitly from the hardware, so we just remember the state
118 * and regurgitate it upon request:
120 stat |= skt->cs_state.Vcc ? SS_POWERON : 0;
122 if (skt->cs_state.flags & SS_IOCARD)
123 stat |= state.bvd1 ? SS_STSCHG : 0;
127 else if (state.bvd2 == 0)
134 * soc_common_pcmcia_config_skt
135 * ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
137 * Convert PCMCIA socket state to our socket configure structure.
140 soc_common_pcmcia_config_skt(struct soc_pcmcia_socket *skt, socket_state_t *state)
144 ret = skt->ops->configure_socket(skt, state);
147 * This really needs a better solution. The IRQ
148 * may or may not be claimed by the driver.
150 if (skt->irq_state != 1 && state->io_irq) {
152 set_irq_type(skt->irq, IRQT_FALLING);
153 } else if (skt->irq_state == 1 && state->io_irq == 0) {
155 set_irq_type(skt->irq, IRQT_NOEDGE);
158 skt->cs_state = *state;
162 printk(KERN_ERR "soc_common_pcmcia: unable to configure "
163 "socket %d\n", skt->nr);
168 /* soc_common_pcmcia_sock_init()
169 * ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
171 * (Re-)Initialise the socket, turning on status interrupts
172 * and PCMCIA bus. This must wait for power to stabilise
173 * so that the card status signals report correctly.
177 static int soc_common_pcmcia_sock_init(struct pcmcia_socket *sock)
179 struct soc_pcmcia_socket *skt = to_soc_pcmcia_socket(sock);
181 debug(skt, 2, "initializing socket\n");
183 skt->ops->socket_init(skt);
189 * soc_common_pcmcia_suspend()
190 * ^^^^^^^^^^^^^^^^^^^^^^^^^^^
192 * Remove power on the socket, disable IRQs from the card.
193 * Turn off status interrupts, and disable the PCMCIA bus.
197 static int soc_common_pcmcia_suspend(struct pcmcia_socket *sock)
199 struct soc_pcmcia_socket *skt = to_soc_pcmcia_socket(sock);
201 debug(skt, 2, "suspending socket\n");
203 skt->ops->socket_suspend(skt);
208 static DEFINE_SPINLOCK(status_lock);
210 static void soc_common_check_status(struct soc_pcmcia_socket *skt)
214 debug(skt, 4, "entering PCMCIA monitoring thread\n");
220 status = soc_common_pcmcia_skt_state(skt);
222 spin_lock_irqsave(&status_lock, flags);
223 events = (status ^ skt->status) & skt->cs_state.csc_mask;
224 skt->status = status;
225 spin_unlock_irqrestore(&status_lock, flags);
227 debug(skt, 4, "events: %s%s%s%s%s%s\n",
228 events == 0 ? "<NONE>" : "",
229 events & SS_DETECT ? "DETECT " : "",
230 events & SS_READY ? "READY " : "",
231 events & SS_BATDEAD ? "BATDEAD " : "",
232 events & SS_BATWARN ? "BATWARN " : "",
233 events & SS_STSCHG ? "STSCHG " : "");
236 pcmcia_parse_events(&skt->socket, events);
240 /* Let's poll for events in addition to IRQs since IRQ only is unreliable... */
241 static void soc_common_pcmcia_poll_event(unsigned long dummy)
243 struct soc_pcmcia_socket *skt = (struct soc_pcmcia_socket *)dummy;
244 debug(skt, 4, "polling for events\n");
246 mod_timer(&skt->poll_timer, jiffies + SOC_PCMCIA_POLL_PERIOD);
248 soc_common_check_status(skt);
253 * Service routine for socket driver interrupts (requested by the
254 * low-level PCMCIA init() operation via soc_common_pcmcia_thread()).
255 * The actual interrupt-servicing work is performed by
256 * soc_common_pcmcia_thread(), largely because the Card Services event-
257 * handling code performs scheduling operations which cannot be
258 * executed from within an interrupt context.
260 static irqreturn_t soc_common_pcmcia_interrupt(int irq, void *dev, struct pt_regs *regs)
262 struct soc_pcmcia_socket *skt = dev;
264 debug(skt, 3, "servicing IRQ %d\n", irq);
266 soc_common_check_status(skt);
273 * Implements the get_status() operation for the in-kernel PCMCIA
274 * service (formerly SS_GetStatus in Card Services). Essentially just
275 * fills in bits in `status' according to internal driver state or
276 * the value of the voltage detect chipselect register.
278 * As a debugging note, during card startup, the PCMCIA core issues
279 * three set_socket() commands in a row the first with RESET deasserted,
280 * the second with RESET asserted, and the last with RESET deasserted
281 * again. Following the third set_socket(), a get_status() command will
282 * be issued. The kernel is looking for the SS_READY flag (see
283 * setup_socket(), reset_socket(), and unreset_socket() in cs.c).
288 soc_common_pcmcia_get_status(struct pcmcia_socket *sock, unsigned int *status)
290 struct soc_pcmcia_socket *skt = to_soc_pcmcia_socket(sock);
292 skt->status = soc_common_pcmcia_skt_state(skt);
293 *status = skt->status;
300 * Implements the get_socket() operation for the in-kernel PCMCIA
301 * service (formerly SS_GetSocket in Card Services). Not a very
307 soc_common_pcmcia_get_socket(struct pcmcia_socket *sock, socket_state_t *state)
309 struct soc_pcmcia_socket *skt = to_soc_pcmcia_socket(sock);
313 *state = skt->cs_state;
319 * Implements the set_socket() operation for the in-kernel PCMCIA
320 * service (formerly SS_SetSocket in Card Services). We more or
321 * less punt all of this work and let the kernel handle the details
322 * of power configuration, reset, &c. We also record the value of
323 * `state' in order to regurgitate it to the PCMCIA core later.
326 soc_common_pcmcia_set_socket(struct pcmcia_socket *sock, socket_state_t *state)
328 struct soc_pcmcia_socket *skt = to_soc_pcmcia_socket(sock);
330 debug(skt, 2, "mask: %s%s%s%s%s%sflags: %s%s%s%s%s%sVcc %d Vpp %d irq %d\n",
331 (state->csc_mask==0)?"<NONE> ":"",
332 (state->csc_mask&SS_DETECT)?"DETECT ":"",
333 (state->csc_mask&SS_READY)?"READY ":"",
334 (state->csc_mask&SS_BATDEAD)?"BATDEAD ":"",
335 (state->csc_mask&SS_BATWARN)?"BATWARN ":"",
336 (state->csc_mask&SS_STSCHG)?"STSCHG ":"",
337 (state->flags==0)?"<NONE> ":"",
338 (state->flags&SS_PWR_AUTO)?"PWR_AUTO ":"",
339 (state->flags&SS_IOCARD)?"IOCARD ":"",
340 (state->flags&SS_RESET)?"RESET ":"",
341 (state->flags&SS_SPKR_ENA)?"SPKR_ENA ":"",
342 (state->flags&SS_OUTPUT_ENA)?"OUTPUT_ENA ":"",
343 state->Vcc, state->Vpp, state->io_irq);
345 return soc_common_pcmcia_config_skt(skt, state);
350 * Implements the set_io_map() operation for the in-kernel PCMCIA
351 * service (formerly SS_SetIOMap in Card Services). We configure
352 * the map speed as requested, but override the address ranges
353 * supplied by Card Services.
355 * Returns: 0 on success, -1 on error
358 soc_common_pcmcia_set_io_map(struct pcmcia_socket *sock, struct pccard_io_map *map)
360 struct soc_pcmcia_socket *skt = to_soc_pcmcia_socket(sock);
361 unsigned short speed = map->speed;
363 debug(skt, 2, "map %u speed %u start 0x%08x stop 0x%08x\n",
364 map->map, map->speed, map->start, map->stop);
365 debug(skt, 2, "flags: %s%s%s%s%s%s%s%s\n",
366 (map->flags==0)?"<NONE>":"",
367 (map->flags&MAP_ACTIVE)?"ACTIVE ":"",
368 (map->flags&MAP_16BIT)?"16BIT ":"",
369 (map->flags&MAP_AUTOSZ)?"AUTOSZ ":"",
370 (map->flags&MAP_0WS)?"0WS ":"",
371 (map->flags&MAP_WRPROT)?"WRPROT ":"",
372 (map->flags&MAP_USE_WAIT)?"USE_WAIT ":"",
373 (map->flags&MAP_PREFETCH)?"PREFETCH ":"");
375 if (map->map >= MAX_IO_WIN) {
376 printk(KERN_ERR "%s(): map (%d) out of range\n", __FUNCTION__,
381 if (map->flags & MAP_ACTIVE) {
383 speed = SOC_PCMCIA_IO_ACCESS;
388 skt->spd_io[map->map] = speed;
389 skt->ops->set_timing(skt);
392 map->stop = PAGE_SIZE-1;
394 map->stop -= map->start;
395 map->stop += skt->socket.io_offset;
396 map->start = skt->socket.io_offset;
403 * Implements the set_mem_map() operation for the in-kernel PCMCIA
404 * service (formerly SS_SetMemMap in Card Services). We configure
405 * the map speed as requested, but override the address ranges
406 * supplied by Card Services.
408 * Returns: 0 on success, -ERRNO on error
411 soc_common_pcmcia_set_mem_map(struct pcmcia_socket *sock, struct pccard_mem_map *map)
413 struct soc_pcmcia_socket *skt = to_soc_pcmcia_socket(sock);
414 struct resource *res;
415 unsigned short speed = map->speed;
417 debug(skt, 2, "map %u speed %u card_start %08x\n",
418 map->map, map->speed, map->card_start);
419 debug(skt, 2, "flags: %s%s%s%s%s%s%s%s\n",
420 (map->flags==0)?"<NONE>":"",
421 (map->flags&MAP_ACTIVE)?"ACTIVE ":"",
422 (map->flags&MAP_16BIT)?"16BIT ":"",
423 (map->flags&MAP_AUTOSZ)?"AUTOSZ ":"",
424 (map->flags&MAP_0WS)?"0WS ":"",
425 (map->flags&MAP_WRPROT)?"WRPROT ":"",
426 (map->flags&MAP_ATTRIB)?"ATTRIB ":"",
427 (map->flags&MAP_USE_WAIT)?"USE_WAIT ":"");
429 if (map->map >= MAX_WIN)
432 if (map->flags & MAP_ACTIVE) {
439 if (map->flags & MAP_ATTRIB) {
440 res = &skt->res_attr;
441 skt->spd_attr[map->map] = speed;
442 skt->spd_mem[map->map] = 0;
445 skt->spd_attr[map->map] = 0;
446 skt->spd_mem[map->map] = speed;
449 skt->ops->set_timing(skt);
451 map->static_start = res->start + map->card_start;
461 static struct bittbl status_bits[] = {
462 { SS_WRPROT, "SS_WRPROT" },
463 { SS_BATDEAD, "SS_BATDEAD" },
464 { SS_BATWARN, "SS_BATWARN" },
465 { SS_READY, "SS_READY" },
466 { SS_DETECT, "SS_DETECT" },
467 { SS_POWERON, "SS_POWERON" },
468 { SS_STSCHG, "SS_STSCHG" },
469 { SS_3VCARD, "SS_3VCARD" },
470 { SS_XVCARD, "SS_XVCARD" },
473 static struct bittbl conf_bits[] = {
474 { SS_PWR_AUTO, "SS_PWR_AUTO" },
475 { SS_IOCARD, "SS_IOCARD" },
476 { SS_RESET, "SS_RESET" },
477 { SS_DMA_MODE, "SS_DMA_MODE" },
478 { SS_SPKR_ENA, "SS_SPKR_ENA" },
479 { SS_OUTPUT_ENA, "SS_OUTPUT_ENA" },
483 dump_bits(char **p, const char *prefix, unsigned int val, struct bittbl *bits, int sz)
488 b += sprintf(b, "%-9s:", prefix);
489 for (i = 0; i < sz; i++)
490 if (val & bits[i].mask)
491 b += sprintf(b, " %s", bits[i].name);
497 * Implements the /sys/class/pcmcia_socket/??/status file.
499 * Returns: the number of characters added to the buffer
501 static ssize_t show_status(struct class_device *class_dev, char *buf)
503 struct soc_pcmcia_socket *skt =
504 container_of(class_dev, struct soc_pcmcia_socket, socket.dev);
507 p+=sprintf(p, "slot : %d\n", skt->nr);
509 dump_bits(&p, "status", skt->status,
510 status_bits, ARRAY_SIZE(status_bits));
511 dump_bits(&p, "csc_mask", skt->cs_state.csc_mask,
512 status_bits, ARRAY_SIZE(status_bits));
513 dump_bits(&p, "cs_flags", skt->cs_state.flags,
514 conf_bits, ARRAY_SIZE(conf_bits));
516 p+=sprintf(p, "Vcc : %d\n", skt->cs_state.Vcc);
517 p+=sprintf(p, "Vpp : %d\n", skt->cs_state.Vpp);
518 p+=sprintf(p, "IRQ : %d (%d)\n", skt->cs_state.io_irq, skt->irq);
519 if (skt->ops->show_timing)
520 p+=skt->ops->show_timing(skt, p);
524 static CLASS_DEVICE_ATTR(status, S_IRUGO, show_status, NULL);
527 static struct pccard_operations soc_common_pcmcia_operations = {
528 .init = soc_common_pcmcia_sock_init,
529 .suspend = soc_common_pcmcia_suspend,
530 .get_status = soc_common_pcmcia_get_status,
531 .get_socket = soc_common_pcmcia_get_socket,
532 .set_socket = soc_common_pcmcia_set_socket,
533 .set_io_map = soc_common_pcmcia_set_io_map,
534 .set_mem_map = soc_common_pcmcia_set_mem_map,
538 int soc_pcmcia_request_irqs(struct soc_pcmcia_socket *skt,
539 struct pcmcia_irqs *irqs, int nr)
543 for (i = 0; i < nr; i++) {
544 if (irqs[i].sock != skt->nr)
546 res = request_irq(irqs[i].irq, soc_common_pcmcia_interrupt,
547 SA_INTERRUPT, irqs[i].str, skt);
550 set_irq_type(irqs[i].irq, IRQT_NOEDGE);
554 printk(KERN_ERR "PCMCIA: request for IRQ%d failed (%d)\n",
558 if (irqs[i].sock == skt->nr)
559 free_irq(irqs[i].irq, skt);
563 EXPORT_SYMBOL(soc_pcmcia_request_irqs);
565 void soc_pcmcia_free_irqs(struct soc_pcmcia_socket *skt,
566 struct pcmcia_irqs *irqs, int nr)
570 for (i = 0; i < nr; i++)
571 if (irqs[i].sock == skt->nr)
572 free_irq(irqs[i].irq, skt);
574 EXPORT_SYMBOL(soc_pcmcia_free_irqs);
576 void soc_pcmcia_disable_irqs(struct soc_pcmcia_socket *skt,
577 struct pcmcia_irqs *irqs, int nr)
581 for (i = 0; i < nr; i++)
582 if (irqs[i].sock == skt->nr)
583 set_irq_type(irqs[i].irq, IRQT_NOEDGE);
585 EXPORT_SYMBOL(soc_pcmcia_disable_irqs);
587 void soc_pcmcia_enable_irqs(struct soc_pcmcia_socket *skt,
588 struct pcmcia_irqs *irqs, int nr)
592 for (i = 0; i < nr; i++)
593 if (irqs[i].sock == skt->nr) {
594 set_irq_type(irqs[i].irq, IRQT_RISING);
595 set_irq_type(irqs[i].irq, IRQT_BOTHEDGE);
598 EXPORT_SYMBOL(soc_pcmcia_enable_irqs);
601 LIST_HEAD(soc_pcmcia_sockets);
602 DECLARE_MUTEX(soc_pcmcia_sockets_lock);
604 static const char *skt_names[] = {
609 struct skt_dev_info {
611 struct soc_pcmcia_socket skt[0];
614 #define SKT_DEV_INFO_SIZE(n) \
615 (sizeof(struct skt_dev_info) + (n)*sizeof(struct soc_pcmcia_socket))
617 #ifdef CONFIG_CPU_FREQ
619 soc_pcmcia_notifier(struct notifier_block *nb, unsigned long val, void *data)
621 struct soc_pcmcia_socket *skt;
622 struct cpufreq_freqs *freqs = data;
625 down(&soc_pcmcia_sockets_lock);
626 list_for_each_entry(skt, &soc_pcmcia_sockets, node)
627 if ( skt->ops->frequency_change )
628 ret += skt->ops->frequency_change(skt, val, freqs);
629 up(&soc_pcmcia_sockets_lock);
634 static struct notifier_block soc_pcmcia_notifier_block = {
635 .notifier_call = soc_pcmcia_notifier
638 static int soc_pcmcia_cpufreq_register(void)
642 ret = cpufreq_register_notifier(&soc_pcmcia_notifier_block,
643 CPUFREQ_TRANSITION_NOTIFIER);
645 printk(KERN_ERR "Unable to register CPU frequency change "
646 "notifier for PCMCIA (%d)\n", ret);
650 static void soc_pcmcia_cpufreq_unregister(void)
652 cpufreq_unregister_notifier(&soc_pcmcia_notifier_block, CPUFREQ_TRANSITION_NOTIFIER);
656 static int soc_pcmcia_cpufreq_register(void) { return 0; }
657 static void soc_pcmcia_cpufreq_unregister(void) {}
660 int soc_common_drv_pcmcia_probe(struct device *dev, struct pcmcia_low_level *ops, int first, int nr)
662 struct skt_dev_info *sinfo;
663 struct soc_pcmcia_socket *skt;
666 down(&soc_pcmcia_sockets_lock);
668 sinfo = kmalloc(SKT_DEV_INFO_SIZE(nr), GFP_KERNEL);
674 memset(sinfo, 0, SKT_DEV_INFO_SIZE(nr));
678 * Initialise the per-socket structure.
680 for (i = 0; i < nr; i++) {
681 skt = &sinfo->skt[i];
683 skt->socket.ops = &soc_common_pcmcia_operations;
684 skt->socket.owner = ops->owner;
685 skt->socket.dev.dev = dev;
687 init_timer(&skt->poll_timer);
688 skt->poll_timer.function = soc_common_pcmcia_poll_event;
689 skt->poll_timer.data = (unsigned long)skt;
690 skt->poll_timer.expires = jiffies + SOC_PCMCIA_POLL_PERIOD;
697 skt->res_skt.start = _PCMCIA(skt->nr);
698 skt->res_skt.end = _PCMCIA(skt->nr) + PCMCIASp - 1;
699 skt->res_skt.name = skt_names[skt->nr];
700 skt->res_skt.flags = IORESOURCE_MEM;
702 ret = request_resource(&iomem_resource, &skt->res_skt);
706 skt->res_io.start = _PCMCIAIO(skt->nr);
707 skt->res_io.end = _PCMCIAIO(skt->nr) + PCMCIAIOSp - 1;
708 skt->res_io.name = "io";
709 skt->res_io.flags = IORESOURCE_MEM | IORESOURCE_BUSY;
711 ret = request_resource(&skt->res_skt, &skt->res_io);
715 skt->res_mem.start = _PCMCIAMem(skt->nr);
716 skt->res_mem.end = _PCMCIAMem(skt->nr) + PCMCIAMemSp - 1;
717 skt->res_mem.name = "memory";
718 skt->res_mem.flags = IORESOURCE_MEM;
720 ret = request_resource(&skt->res_skt, &skt->res_mem);
724 skt->res_attr.start = _PCMCIAAttr(skt->nr);
725 skt->res_attr.end = _PCMCIAAttr(skt->nr) + PCMCIAAttrSp - 1;
726 skt->res_attr.name = "attribute";
727 skt->res_attr.flags = IORESOURCE_MEM;
729 ret = request_resource(&skt->res_skt, &skt->res_attr);
733 skt->virt_io = ioremap(skt->res_io.start, 0x10000);
734 if (skt->virt_io == NULL) {
739 if (list_empty(&soc_pcmcia_sockets))
740 soc_pcmcia_cpufreq_register();
742 list_add(&skt->node, &soc_pcmcia_sockets);
745 * We initialize default socket timing here, because
746 * we are not guaranteed to see a SetIOMap operation at
749 ops->set_timing(skt);
751 ret = ops->hw_init(skt);
755 skt->socket.features = SS_CAP_STATIC_MAP|SS_CAP_PCCARD;
756 skt->socket.resource_ops = &pccard_static_ops;
757 skt->socket.irq_mask = 0;
758 skt->socket.map_size = PAGE_SIZE;
759 skt->socket.pci_irq = skt->irq;
760 skt->socket.io_offset = (unsigned long)skt->virt_io;
762 skt->status = soc_common_pcmcia_skt_state(skt);
764 ret = pcmcia_register_socket(&skt->socket);
768 WARN_ON(skt->socket.sock != i);
770 add_timer(&skt->poll_timer);
772 class_device_create_file(&skt->socket.dev, &class_device_attr_status);
775 dev_set_drvdata(dev, sinfo);
780 skt = &sinfo->skt[i];
782 del_timer_sync(&skt->poll_timer);
783 pcmcia_unregister_socket(&skt->socket);
786 flush_scheduled_work();
788 ops->hw_shutdown(skt);
790 list_del(&skt->node);
791 iounmap(skt->virt_io);
793 release_resource(&skt->res_attr);
795 release_resource(&skt->res_mem);
797 release_resource(&skt->res_io);
799 release_resource(&skt->res_skt);
807 up(&soc_pcmcia_sockets_lock);
811 int soc_common_drv_pcmcia_remove(struct device *dev)
813 struct skt_dev_info *sinfo = dev_get_drvdata(dev);
816 dev_set_drvdata(dev, NULL);
818 down(&soc_pcmcia_sockets_lock);
819 for (i = 0; i < sinfo->nskt; i++) {
820 struct soc_pcmcia_socket *skt = &sinfo->skt[i];
822 del_timer_sync(&skt->poll_timer);
824 pcmcia_unregister_socket(&skt->socket);
826 flush_scheduled_work();
828 skt->ops->hw_shutdown(skt);
830 soc_common_pcmcia_config_skt(skt, &dead_socket);
832 list_del(&skt->node);
833 iounmap(skt->virt_io);
835 release_resource(&skt->res_attr);
836 release_resource(&skt->res_mem);
837 release_resource(&skt->res_io);
838 release_resource(&skt->res_skt);
840 if (list_empty(&soc_pcmcia_sockets))
841 soc_pcmcia_cpufreq_unregister();
843 up(&soc_pcmcia_sockets_lock);