[PATCH] pcmcia: remove duplicate fields in io_window_t

BasePort, NumPorts and Attributes are or can be embedded in
struct resource, so remove them.

Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>

1 files changed, 22 insertions, 23 deletions

diff --git a/drivers/pcmcia/pcmcia_resource.c b/drivers/pcmcia/pcmcia_resource.c
index 08377232d8eb..dbd5571064d1 100644
--- a/drivers/pcmcia/pcmcia_resource.c
+++ b/drivers/pcmcia/pcmcia_resource.c
@@ -88,7 +88,7 @@ static int alloc_io_space(struct pcmcia_socket *s, u_int attr, ioaddr_t *base,
         }
         if ((s->features & SS_CAP_STATIC_MAP) && s->io_offset) {
                 *base = s->io_offset | (*base & 0x0fff);
-                s->io[0].Attributes = attr;
+                s->io[0].res->flags = (s->io[0].res->flags & ~IORESOURCE_BITS) | (attr & IORESOURCE_BITS);
                 return 0;
         }
         /* Check for an already-allocated window that must conflict with
@@ -96,38 +96,36 @@ static int alloc_io_space(struct pcmcia_socket *s, u_int attr, ioaddr_t *base,
          * potential conflicts, just the most obvious ones.
          */
         for (i = 0; i < MAX_IO_WIN; i++)
-                if ((s->io[i].NumPorts != 0) &&
-                    ((s->io[i].BasePort & (align-1)) == *base))
+                if ((s->io[i].res) &&
+                    ((s->io[i].res->start & (align-1)) == *base))
                         return 1;
         for (i = 0; i < MAX_IO_WIN; i++) {
-                if (s->io[i].NumPorts == 0) {
+                if (!s->io[i].res) {
                         s->io[i].res = pcmcia_find_io_region(*base, num, align, s);
                         if (s->io[i].res) {
-                                s->io[i].Attributes = attr;
-                                s->io[i].BasePort = *base = s->io[i].res->start;
-                                s->io[i].NumPorts = s->io[i].InUse = num;
+                                *base = s->io[i].res->start;
+                                s->io[i].res->flags = (s->io[i].res->flags & ~IORESOURCE_BITS) | (attr & IORESOURCE_BITS);
+                                s->io[i].InUse = num;
                                 break;
                         } else
                                 return 1;
-                } else if (s->io[i].Attributes != attr)
+                } else if ((s->io[i].res->flags & IORESOURCE_BITS) != (attr & IORESOURCE_BITS))
                         continue;
                 /* Try to extend top of window */
-                try = s->io[i].BasePort + s->io[i].NumPorts;
+                try = s->io[i].res->end + 1;
                 if ((*base == 0) || (*base == try))
                         if (pcmcia_adjust_io_region(s->io[i].res, s->io[i].res->start,
                                                     s->io[i].res->end + num, s) == 0) {
                                 *base = try;
-                                s->io[i].NumPorts += num;
                                 s->io[i].InUse += num;
                                 break;
                         }
                 /* Try to extend bottom of window */
-                try = s->io[i].BasePort - num;
+                try = s->io[i].res->start - num;
                 if ((*base == 0) || (*base == try))
                         if (pcmcia_adjust_io_region(s->io[i].res, s->io[i].res->start - num,
                                                     s->io[i].res->end, s) == 0) {
-                                s->io[i].BasePort = *base = try;
-                                s->io[i].NumPorts += num;
+                                *base = try;
                                 s->io[i].InUse += num;
                                 break;
                         }
@@ -142,12 +140,13 @@ static void release_io_space(struct pcmcia_socket *s, ioaddr_t base,
         int i;
 
         for (i = 0; i < MAX_IO_WIN; i++) {
-                if ((s->io[i].BasePort <= base) &&
-                    (s->io[i].BasePort+s->io[i].NumPorts >= base+num)) {
+                if (!s->io[i].res)
+                        continue;
+                if ((s->io[i].res->start <= base) &&
+                    (s->io[i].res->end >= base+num-1)) {
                         s->io[i].InUse -= num;
                         /* Free the window if no one else is using it */
                         if (s->io[i].InUse == 0) {
-                                s->io[i].NumPorts = 0;
                                 release_resource(s->io[i].res);
                                 kfree(s->io[i].res);
                                 s->io[i].res = NULL;
@@ -224,8 +223,8 @@ int pccard_get_configuration_info(struct pcmcia_socket *s,
                         config->AssignedIRQ = s->irq.AssignedIRQ;
                         if (config->AssignedIRQ)
                                 config->Attributes |= CONF_ENABLE_IRQ;
-                        config->BasePort1 = s->io[0].BasePort;
-                        config->NumPorts1 = s->io[0].NumPorts;
+                        config->BasePort1 = s->io[0].res->start;
+                        config->NumPorts1 = s->io[0].res->end - config->BasePort1 + 1;
                 }
                 return CS_SUCCESS;
         }
@@ -468,7 +467,7 @@ int pcmcia_release_configuration(struct pcmcia_device *p_dev)
                 }
                 if (c->state & CONFIG_IO_REQ)
                         for (i = 0; i < MAX_IO_WIN; i++) {
-                                if (s->io[i].NumPorts == 0)
+                                if (!s->io[i].res)
                                         continue;
                                 s->io[i].Config--;
                                 if (s->io[i].Config != 0)
@@ -679,10 +678,10 @@ int pcmcia_request_configuration(struct pcmcia_device *p_dev,
         if (c->state & CONFIG_IO_REQ) {
                 iomap.speed = io_speed;
                 for (i = 0; i < MAX_IO_WIN; i++)
-                        if (s->io[i].NumPorts != 0) {
+                        if (s->io[i].res) {
                                 iomap.map = i;
                                 iomap.flags = MAP_ACTIVE;
-                                switch (s->io[i].Attributes & IO_DATA_PATH_WIDTH) {
+                                switch (s->io[i].res->flags & IO_DATA_PATH_WIDTH) {
                                 case IO_DATA_PATH_WIDTH_16:
                                         iomap.flags |= MAP_16BIT; break;
                                 case IO_DATA_PATH_WIDTH_AUTO:
@@ -690,8 +689,8 @@ int pcmcia_request_configuration(struct pcmcia_device *p_dev,
                                 default:
                                         break;
                                 }
-                                iomap.start = s->io[i].BasePort;
-                                iomap.stop = iomap.start + s->io[i].NumPorts - 1;
+                                iomap.start = s->io[i].res->start;
+                                iomap.stop = s->io[i].res->end;
                                 s->ops->set_io_map(s, &iomap);
                                 s->io[i].Config++;
                         }