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.
328 soc_common_pcmcia_set_socket(struct pcmcia_socket *sock, socket_state_t *state)
330 struct soc_pcmcia_socket *skt = to_soc_pcmcia_socket(sock);
332 debug(skt, 2, "mask: %s%s%s%s%s%sflags: %s%s%s%s%s%sVcc %d Vpp %d irq %d\n",
333 (state->csc_mask==0)?"<NONE> ":"",
334 (state->csc_mask&SS_DETECT)?"DETECT ":"",
335 (state->csc_mask&SS_READY)?"READY ":"",
336 (state->csc_mask&SS_BATDEAD)?"BATDEAD ":"",
337 (state->csc_mask&SS_BATWARN)?"BATWARN ":"",
338 (state->csc_mask&SS_STSCHG)?"STSCHG ":"",
339 (state->flags==0)?"<NONE> ":"",
340 (state->flags&SS_PWR_AUTO)?"PWR_AUTO ":"",
341 (state->flags&SS_IOCARD)?"IOCARD ":"",
342 (state->flags&SS_RESET)?"RESET ":"",
343 (state->flags&SS_SPKR_ENA)?"SPKR_ENA ":"",
344 (state->flags&SS_OUTPUT_ENA)?"OUTPUT_ENA ":"",
345 state->Vcc, state->Vpp, state->io_irq);
347 return soc_common_pcmcia_config_skt(skt, state);
352 * Implements the set_io_map() operation for the in-kernel PCMCIA
353 * service (formerly SS_SetIOMap in Card Services). We configure
354 * the map speed as requested, but override the address ranges
355 * supplied by Card Services.
357 * Returns: 0 on success, -1 on error
360 soc_common_pcmcia_set_io_map(struct pcmcia_socket *sock, struct pccard_io_map *map)
362 struct soc_pcmcia_socket *skt = to_soc_pcmcia_socket(sock);
363 unsigned short speed = map->speed;
365 debug(skt, 2, "map %u speed %u start 0x%08x stop 0x%08x\n",
366 map->map, map->speed, map->start, map->stop);
367 debug(skt, 2, "flags: %s%s%s%s%s%s%s%s\n",
368 (map->flags==0)?"<NONE>":"",
369 (map->flags&MAP_ACTIVE)?"ACTIVE ":"",
370 (map->flags&MAP_16BIT)?"16BIT ":"",
371 (map->flags&MAP_AUTOSZ)?"AUTOSZ ":"",
372 (map->flags&MAP_0WS)?"0WS ":"",
373 (map->flags&MAP_WRPROT)?"WRPROT ":"",
374 (map->flags&MAP_USE_WAIT)?"USE_WAIT ":"",
375 (map->flags&MAP_PREFETCH)?"PREFETCH ":"");
377 if (map->map >= MAX_IO_WIN) {
378 printk(KERN_ERR "%s(): map (%d) out of range\n", __FUNCTION__,
383 if (map->flags & MAP_ACTIVE) {
385 speed = SOC_PCMCIA_IO_ACCESS;
390 skt->spd_io[map->map] = speed;
391 skt->ops->set_timing(skt);
394 map->stop = PAGE_SIZE-1;
396 map->stop -= map->start;
397 map->stop += skt->socket.io_offset;
398 map->start = skt->socket.io_offset;
405 * Implements the set_mem_map() operation for the in-kernel PCMCIA
406 * service (formerly SS_SetMemMap in Card Services). We configure
407 * the map speed as requested, but override the address ranges
408 * supplied by Card Services.
410 * Returns: 0 on success, -1 on error
413 soc_common_pcmcia_set_mem_map(struct pcmcia_socket *sock, struct pccard_mem_map *map)
415 struct soc_pcmcia_socket *skt = to_soc_pcmcia_socket(sock);
416 struct resource *res;
417 unsigned short speed = map->speed;
419 debug(skt, 2, "map %u speed %u card_start %08x\n",
420 map->map, map->speed, map->card_start);
421 debug(skt, 2, "flags: %s%s%s%s%s%s%s%s\n",
422 (map->flags==0)?"<NONE>":"",
423 (map->flags&MAP_ACTIVE)?"ACTIVE ":"",
424 (map->flags&MAP_16BIT)?"16BIT ":"",
425 (map->flags&MAP_AUTOSZ)?"AUTOSZ ":"",
426 (map->flags&MAP_0WS)?"0WS ":"",
427 (map->flags&MAP_WRPROT)?"WRPROT ":"",
428 (map->flags&MAP_ATTRIB)?"ATTRIB ":"",
429 (map->flags&MAP_USE_WAIT)?"USE_WAIT ":"");
431 if (map->map >= MAX_WIN)
434 if (map->flags & MAP_ACTIVE) {
441 if (map->flags & MAP_ATTRIB) {
442 res = &skt->res_attr;
443 skt->spd_attr[map->map] = speed;
444 skt->spd_mem[map->map] = 0;
447 skt->spd_attr[map->map] = 0;
448 skt->spd_mem[map->map] = speed;
451 skt->ops->set_timing(skt);
453 map->static_start = res->start + map->card_start;
463 static struct bittbl status_bits[] = {
464 { SS_WRPROT, "SS_WRPROT" },
465 { SS_BATDEAD, "SS_BATDEAD" },
466 { SS_BATWARN, "SS_BATWARN" },
467 { SS_READY, "SS_READY" },
468 { SS_DETECT, "SS_DETECT" },
469 { SS_POWERON, "SS_POWERON" },
470 { SS_STSCHG, "SS_STSCHG" },
471 { SS_3VCARD, "SS_3VCARD" },
472 { SS_XVCARD, "SS_XVCARD" },
475 static struct bittbl conf_bits[] = {
476 { SS_PWR_AUTO, "SS_PWR_AUTO" },
477 { SS_IOCARD, "SS_IOCARD" },
478 { SS_RESET, "SS_RESET" },
479 { SS_DMA_MODE, "SS_DMA_MODE" },
480 { SS_SPKR_ENA, "SS_SPKR_ENA" },
481 { SS_OUTPUT_ENA, "SS_OUTPUT_ENA" },
485 dump_bits(char **p, const char *prefix, unsigned int val, struct bittbl *bits, int sz)
490 b += sprintf(b, "%-9s:", prefix);
491 for (i = 0; i < sz; i++)
492 if (val & bits[i].mask)
493 b += sprintf(b, " %s", bits[i].name);
499 * Implements the /sys/class/pcmcia_socket/??/status file.
501 * Returns: the number of characters added to the buffer
503 static ssize_t show_status(struct class_device *class_dev, char *buf)
505 struct soc_pcmcia_socket *skt =
506 container_of(class_dev, struct soc_pcmcia_socket, socket.dev);
509 p+=sprintf(p, "slot : %d\n", skt->nr);
511 dump_bits(&p, "status", skt->status,
512 status_bits, ARRAY_SIZE(status_bits));
513 dump_bits(&p, "csc_mask", skt->cs_state.csc_mask,
514 status_bits, ARRAY_SIZE(status_bits));
515 dump_bits(&p, "cs_flags", skt->cs_state.flags,
516 conf_bits, ARRAY_SIZE(conf_bits));
518 p+=sprintf(p, "Vcc : %d\n", skt->cs_state.Vcc);
519 p+=sprintf(p, "Vpp : %d\n", skt->cs_state.Vpp);
520 p+=sprintf(p, "IRQ : %d (%d)\n", skt->cs_state.io_irq, skt->irq);
521 if (skt->ops->show_timing)
522 p+=skt->ops->show_timing(skt, p);
526 static CLASS_DEVICE_ATTR(status, S_IRUGO, show_status, NULL);
529 static struct pccard_operations soc_common_pcmcia_operations = {
530 .init = soc_common_pcmcia_sock_init,
531 .suspend = soc_common_pcmcia_suspend,
532 .get_status = soc_common_pcmcia_get_status,
533 .get_socket = soc_common_pcmcia_get_socket,
534 .set_socket = soc_common_pcmcia_set_socket,
535 .set_io_map = soc_common_pcmcia_set_io_map,
536 .set_mem_map = soc_common_pcmcia_set_mem_map,
540 int soc_pcmcia_request_irqs(struct soc_pcmcia_socket *skt,
541 struct pcmcia_irqs *irqs, int nr)
545 for (i = 0; i < nr; i++) {
546 if (irqs[i].sock != skt->nr)
548 res = request_irq(irqs[i].irq, soc_common_pcmcia_interrupt,
549 SA_INTERRUPT, irqs[i].str, skt);
552 set_irq_type(irqs[i].irq, IRQT_NOEDGE);
556 printk(KERN_ERR "PCMCIA: request for IRQ%d failed (%d)\n",
560 if (irqs[i].sock == skt->nr)
561 free_irq(irqs[i].irq, skt);
565 EXPORT_SYMBOL(soc_pcmcia_request_irqs);
567 void soc_pcmcia_free_irqs(struct soc_pcmcia_socket *skt,
568 struct pcmcia_irqs *irqs, int nr)
572 for (i = 0; i < nr; i++)
573 if (irqs[i].sock == skt->nr)
574 free_irq(irqs[i].irq, skt);
576 EXPORT_SYMBOL(soc_pcmcia_free_irqs);
578 void soc_pcmcia_disable_irqs(struct soc_pcmcia_socket *skt,
579 struct pcmcia_irqs *irqs, int nr)
583 for (i = 0; i < nr; i++)
584 if (irqs[i].sock == skt->nr)
585 set_irq_type(irqs[i].irq, IRQT_NOEDGE);
587 EXPORT_SYMBOL(soc_pcmcia_disable_irqs);
589 void soc_pcmcia_enable_irqs(struct soc_pcmcia_socket *skt,
590 struct pcmcia_irqs *irqs, int nr)
594 for (i = 0; i < nr; i++)
595 if (irqs[i].sock == skt->nr) {
596 set_irq_type(irqs[i].irq, IRQT_RISING);
597 set_irq_type(irqs[i].irq, IRQT_BOTHEDGE);
600 EXPORT_SYMBOL(soc_pcmcia_enable_irqs);
603 LIST_HEAD(soc_pcmcia_sockets);
604 DECLARE_MUTEX(soc_pcmcia_sockets_lock);
606 static const char *skt_names[] = {
611 struct skt_dev_info {
613 struct soc_pcmcia_socket skt[0];
616 #define SKT_DEV_INFO_SIZE(n) \
617 (sizeof(struct skt_dev_info) + (n)*sizeof(struct soc_pcmcia_socket))
619 #ifdef CONFIG_CPU_FREQ
621 soc_pcmcia_notifier(struct notifier_block *nb, unsigned long val, void *data)
623 struct soc_pcmcia_socket *skt;
624 struct cpufreq_freqs *freqs = data;
627 down(&soc_pcmcia_sockets_lock);
628 list_for_each_entry(skt, &soc_pcmcia_sockets, node)
629 if ( skt->ops->frequency_change )
630 ret += skt->ops->frequency_change(skt, val, freqs);
631 up(&soc_pcmcia_sockets_lock);
636 static struct notifier_block soc_pcmcia_notifier_block = {
637 .notifier_call = soc_pcmcia_notifier
640 static int soc_pcmcia_cpufreq_register(void)
644 ret = cpufreq_register_notifier(&soc_pcmcia_notifier_block,
645 CPUFREQ_TRANSITION_NOTIFIER);
647 printk(KERN_ERR "Unable to register CPU frequency change "
648 "notifier for PCMCIA (%d)\n", ret);
652 static void soc_pcmcia_cpufreq_unregister(void)
654 cpufreq_unregister_notifier(&soc_pcmcia_notifier_block, CPUFREQ_TRANSITION_NOTIFIER);
658 #define soc_pcmcia_cpufreq_register()
659 #define soc_pcmcia_cpufreq_unregister()
662 int soc_common_drv_pcmcia_probe(struct device *dev, struct pcmcia_low_level *ops, int first, int nr)
664 struct skt_dev_info *sinfo;
665 struct soc_pcmcia_socket *skt;
668 down(&soc_pcmcia_sockets_lock);
670 sinfo = kmalloc(SKT_DEV_INFO_SIZE(nr), GFP_KERNEL);
676 memset(sinfo, 0, SKT_DEV_INFO_SIZE(nr));
680 * Initialise the per-socket structure.
682 for (i = 0; i < nr; i++) {
683 skt = &sinfo->skt[i];
685 skt->socket.ops = &soc_common_pcmcia_operations;
686 skt->socket.owner = ops->owner;
687 skt->socket.dev.dev = dev;
689 init_timer(&skt->poll_timer);
690 skt->poll_timer.function = soc_common_pcmcia_poll_event;
691 skt->poll_timer.data = (unsigned long)skt;
692 skt->poll_timer.expires = jiffies + SOC_PCMCIA_POLL_PERIOD;
699 skt->res_skt.start = _PCMCIA(skt->nr);
700 skt->res_skt.end = _PCMCIA(skt->nr) + PCMCIASp - 1;
701 skt->res_skt.name = skt_names[skt->nr];
702 skt->res_skt.flags = IORESOURCE_MEM;
704 ret = request_resource(&iomem_resource, &skt->res_skt);
708 skt->res_io.start = _PCMCIAIO(skt->nr);
709 skt->res_io.end = _PCMCIAIO(skt->nr) + PCMCIAIOSp - 1;
710 skt->res_io.name = "io";
711 skt->res_io.flags = IORESOURCE_MEM | IORESOURCE_BUSY;
713 ret = request_resource(&skt->res_skt, &skt->res_io);
717 skt->res_mem.start = _PCMCIAMem(skt->nr);
718 skt->res_mem.end = _PCMCIAMem(skt->nr) + PCMCIAMemSp - 1;
719 skt->res_mem.name = "memory";
720 skt->res_mem.flags = IORESOURCE_MEM;
722 ret = request_resource(&skt->res_skt, &skt->res_mem);
726 skt->res_attr.start = _PCMCIAAttr(skt->nr);
727 skt->res_attr.end = _PCMCIAAttr(skt->nr) + PCMCIAAttrSp - 1;
728 skt->res_attr.name = "attribute";
729 skt->res_attr.flags = IORESOURCE_MEM;
731 ret = request_resource(&skt->res_skt, &skt->res_attr);
735 skt->virt_io = ioremap(skt->res_io.start, 0x10000);
736 if (skt->virt_io == NULL) {
741 if ( list_empty(&soc_pcmcia_sockets) )
742 soc_pcmcia_cpufreq_register();
744 list_add(&skt->node, &soc_pcmcia_sockets);
747 * We initialize default socket timing here, because
748 * we are not guaranteed to see a SetIOMap operation at
751 ops->set_timing(skt);
753 ret = ops->hw_init(skt);
757 skt->socket.features = SS_CAP_STATIC_MAP|SS_CAP_PCCARD;
758 skt->socket.resource_ops = &pccard_static_ops;
759 skt->socket.irq_mask = 0;
760 skt->socket.map_size = PAGE_SIZE;
761 skt->socket.pci_irq = skt->irq;
762 skt->socket.io_offset = (unsigned long)skt->virt_io;
764 skt->status = soc_common_pcmcia_skt_state(skt);
766 ret = pcmcia_register_socket(&skt->socket);
770 WARN_ON(skt->socket.sock != i);
772 add_timer(&skt->poll_timer);
774 class_device_create_file(&skt->socket.dev, &class_device_attr_status);
777 dev_set_drvdata(dev, sinfo);
782 skt = &sinfo->skt[i];
784 del_timer_sync(&skt->poll_timer);
785 pcmcia_unregister_socket(&skt->socket);
788 flush_scheduled_work();
790 ops->hw_shutdown(skt);
792 list_del(&skt->node);
793 iounmap(skt->virt_io);
795 release_resource(&skt->res_attr);
797 release_resource(&skt->res_mem);
799 release_resource(&skt->res_io);
801 release_resource(&skt->res_skt);
809 up(&soc_pcmcia_sockets_lock);
813 int soc_common_drv_pcmcia_remove(struct device *dev)
815 struct skt_dev_info *sinfo = dev_get_drvdata(dev);
818 dev_set_drvdata(dev, NULL);
820 down(&soc_pcmcia_sockets_lock);
821 for (i = 0; i < sinfo->nskt; i++) {
822 struct soc_pcmcia_socket *skt = &sinfo->skt[i];
824 del_timer_sync(&skt->poll_timer);
826 pcmcia_unregister_socket(&skt->socket);
828 flush_scheduled_work();
830 skt->ops->hw_shutdown(skt);
832 soc_common_pcmcia_config_skt(skt, &dead_socket);
834 list_del(&skt->node);
835 iounmap(skt->virt_io);
837 release_resource(&skt->res_attr);
838 release_resource(&skt->res_mem);
839 release_resource(&skt->res_io);
840 release_resource(&skt->res_skt);
842 if ( list_empty(&soc_pcmcia_sockets) )
843 soc_pcmcia_cpufreq_unregister();
845 up(&soc_pcmcia_sockets_lock);