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path: root/drivers/pcmcia
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Diffstat (limited to 'drivers/pcmcia')
-rw-r--r--drivers/pcmcia/ds_internal.h2
-rw-r--r--drivers/pcmcia/pcmcia_resource.c23
2 files changed, 24 insertions, 1 deletions
diff --git a/drivers/pcmcia/ds_internal.h b/drivers/pcmcia/ds_internal.h
index 783d8617a05..3a2b25e6ed7 100644
--- a/drivers/pcmcia/ds_internal.h
+++ b/drivers/pcmcia/ds_internal.h
@@ -8,6 +8,8 @@ extern void pcmcia_put_dev(struct pcmcia_device *p_dev);
struct pcmcia_device * pcmcia_device_add(struct pcmcia_socket *s, unsigned int function);
+extern int pcmcia_release_configuration(struct pcmcia_device *p_dev);
+
#ifdef CONFIG_PCMCIA_IOCTL
extern void __init pcmcia_setup_ioctl(void);
extern void __exit pcmcia_cleanup_ioctl(void);
diff --git a/drivers/pcmcia/pcmcia_resource.c b/drivers/pcmcia/pcmcia_resource.c
index f4dcea6ac44..16504f852af 100644
--- a/drivers/pcmcia/pcmcia_resource.c
+++ b/drivers/pcmcia/pcmcia_resource.c
@@ -442,6 +442,28 @@ int pcmcia_modify_configuration(struct pcmcia_device *p_dev,
(mod->Attributes & CONF_VPP2_CHANGE_VALID))
return CS_BAD_VPP;
+ if (mod->Attributes & CONF_IO_CHANGE_WIDTH) {
+ pccard_io_map io_off = { 0, 0, 0, 0, 1 };
+ pccard_io_map io_on;
+ int i;
+
+ io_on.speed = io_speed;
+ for (i = 0; i < MAX_IO_WIN; i++) {
+ if (!s->io[i].res)
+ continue;
+ io_off.map = i;
+ io_on.map = i;
+
+ io_on.flags = MAP_ACTIVE | IO_DATA_PATH_WIDTH_8;
+ io_on.start = s->io[i].res->start;
+ io_on.stop = s->io[i].res->end;
+
+ s->ops->set_io_map(s, &io_off);
+ mdelay(40);
+ s->ops->set_io_map(s, &io_on);
+ }
+ }
+
return CS_SUCCESS;
} /* modify_configuration */
EXPORT_SYMBOL(pcmcia_modify_configuration);
@@ -479,7 +501,6 @@ int pcmcia_release_configuration(struct pcmcia_device *p_dev)
return CS_SUCCESS;
} /* pcmcia_release_configuration */
-EXPORT_SYMBOL(pcmcia_release_configuration);
/** pcmcia_release_io