aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/pcmcia/pcmcia_resource.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/pcmcia/pcmcia_resource.c')
-rw-r--r--drivers/pcmcia/pcmcia_resource.c37
1 files changed, 10 insertions, 27 deletions
diff --git a/drivers/pcmcia/pcmcia_resource.c b/drivers/pcmcia/pcmcia_resource.c
index fcd48dae79bc..a48d4a91d440 100644
--- a/drivers/pcmcia/pcmcia_resource.c
+++ b/drivers/pcmcia/pcmcia_resource.c
@@ -70,7 +70,8 @@ static int alloc_io_space(struct pcmcia_socket *s, struct resource *res,
70 70
71 res->flags |= IORESOURCE_IO; 71 res->flags |= IORESOURCE_IO;
72 72
73 dev_dbg(&s->dev, "alloc_io_space request for %pR\n", res); 73 dev_dbg(&s->dev, "alloc_io_space request for %pR, %d lines\n",
74 res, lines);
74 75
75 align = base ? (lines ? 1<<lines : 0) : 1; 76 align = base ? (lines ? 1<<lines : 0) : 1;
76 if (align && (align < num)) { 77 if (align && (align < num)) {
@@ -541,38 +542,25 @@ EXPORT_SYMBOL(pcmcia_request_configuration);
541 * pcmcia_request_io() - attempt to reserve port ranges for PCMCIA devices 542 * pcmcia_request_io() - attempt to reserve port ranges for PCMCIA devices
542 * 543 *
543 * pcmcia_request_io() attepts to reserve the IO port ranges specified in 544 * pcmcia_request_io() attepts to reserve the IO port ranges specified in
544 * struct pcmcia_device *p_dev->resource[0] and *p_dev->resource[1]. The 545 * &struct pcmcia_device @p_dev->resource[0] and @p_dev->resource[1]. The
545 * "start" value is the requested start of the IO port resource; "end" 546 * "start" value is the requested start of the IO port resource; "end"
546 * relfects the number of ports requested. 547 * reflects the number of ports requested. The number of IO lines requested
547 * 548 * is specified in &struct pcmcia_device @p_dev->io_lines.
548 * If io_req_t is passed, those values are converted automatically.
549 */ 549 */
550int pcmcia_request_io(struct pcmcia_device *p_dev, io_req_t *req) 550int pcmcia_request_io(struct pcmcia_device *p_dev)
551{ 551{
552 struct pcmcia_socket *s = p_dev->socket; 552 struct pcmcia_socket *s = p_dev->socket;
553 config_t *c; 553 config_t *c = p_dev->function_config;
554 int ret = -EINVAL; 554 int ret = -EINVAL;
555 unsigned int lines = req->IOAddrLines;
556 555
557 mutex_lock(&s->ops_mutex); 556 mutex_lock(&s->ops_mutex);
557 dev_dbg(&s->dev, "pcmcia_request_io: %pR , %pR", &c->io[0], &c->io[1]);
558 558
559 if (!(s->state & SOCKET_PRESENT)) { 559 if (!(s->state & SOCKET_PRESENT)) {
560 dev_dbg(&s->dev, "pcmcia_request_io: No card present\n"); 560 dev_dbg(&s->dev, "pcmcia_request_io: No card present\n");
561 goto out; 561 goto out;
562 } 562 }
563 563
564 c = p_dev->function_config;
565 if (req) {
566 c->io[0].start = req->BasePort1;
567 c->io[0].end = req->NumPorts1;
568 c->io[0].flags |= req->Attributes1;
569 c->io[1].start = req->BasePort2;
570 c->io[1].end = req->NumPorts2;
571 c->io[1].flags |= req->Attributes2;
572 }
573
574 dev_dbg(&s->dev, "pcmcia_request_io: %pR , %pR", &c->io[0], &c->io[1]);
575
576 if (c->state & CONFIG_LOCKED) { 564 if (c->state & CONFIG_LOCKED) {
577 dev_dbg(&s->dev, "Configuration is locked\n"); 565 dev_dbg(&s->dev, "Configuration is locked\n");
578 goto out; 566 goto out;
@@ -582,12 +570,12 @@ int pcmcia_request_io(struct pcmcia_device *p_dev, io_req_t *req)
582 goto out; 570 goto out;
583 } 571 }
584 572
585 ret = alloc_io_space(s, &c->io[0], lines); 573 ret = alloc_io_space(s, &c->io[0], p_dev->io_lines);
586 if (ret) 574 if (ret)
587 goto out; 575 goto out;
588 576
589 if (c->io[1].end) { 577 if (c->io[1].end) {
590 ret = alloc_io_space(s, &c->io[1], lines); 578 ret = alloc_io_space(s, &c->io[1], p_dev->io_lines);
591 if (ret) { 579 if (ret) {
592 release_io_space(s, &c->io[0]); 580 release_io_space(s, &c->io[0]);
593 goto out; 581 goto out;
@@ -598,11 +586,6 @@ int pcmcia_request_io(struct pcmcia_device *p_dev, io_req_t *req)
598 c->state |= CONFIG_IO_REQ; 586 c->state |= CONFIG_IO_REQ;
599 p_dev->_io = 1; 587 p_dev->_io = 1;
600 588
601 if (!ret) {
602 req->BasePort1 = c->io[0].start;
603 req->BasePort2 = c->io[1].start;
604 }
605
606 dev_dbg(&s->dev, "pcmcia_request_io succeeded: %pR , %pR", 589 dev_dbg(&s->dev, "pcmcia_request_io succeeded: %pR , %pR",
607 &c->io[0], &c->io[1]); 590 &c->io[0], &c->io[1]);
608out: 591out: