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-rw-r--r--drivers/mtd/maps/pcmciamtd.c8
-rw-r--r--drivers/net/pcmcia/smc91c92_cs.c5
-rw-r--r--drivers/pcmcia/pcmcia_resource.c128
3 files changed, 65 insertions, 76 deletions
diff --git a/drivers/mtd/maps/pcmciamtd.c b/drivers/mtd/maps/pcmciamtd.c
index fb3c5380aa84..31ce404baa3c 100644
--- a/drivers/mtd/maps/pcmciamtd.c
+++ b/drivers/mtd/maps/pcmciamtd.c
@@ -316,15 +316,9 @@ static void pcmciamtd_set_vpp(struct map_info *map, int on)
{
struct pcmciamtd_dev *dev = (struct pcmciamtd_dev *)map->map_priv_1;
struct pcmcia_device *link = dev->p_dev;
- modconf_t mod;
- int ret;
-
- mod.Attributes = CONF_VPP1_CHANGE_VALID | CONF_VPP2_CHANGE_VALID;
- mod.Vcc = 0;
- mod.Vpp1 = mod.Vpp2 = on ? dev->vpp : 0;
DEBUG(2, "dev = %p on = %d vpp = %d\n", dev, on, dev->vpp);
- ret = pcmcia_modify_configuration(link, &mod);
+ pcmcia_fixup_vpp(link, on ? dev->vpp : 0);
}
diff --git a/drivers/net/pcmcia/smc91c92_cs.c b/drivers/net/pcmcia/smc91c92_cs.c
index acc680739c89..395e586d7c0a 100644
--- a/drivers/net/pcmcia/smc91c92_cs.c
+++ b/drivers/net/pcmcia/smc91c92_cs.c
@@ -816,13 +816,10 @@ static int check_sig(struct pcmcia_device *link)
}
if (width) {
- modconf_t mod = {
- .Attributes = CONF_IO_CHANGE_WIDTH,
- };
printk(KERN_INFO "smc91c92_cs: using 8-bit IO window.\n");
smc91c92_suspend(link);
- pcmcia_modify_configuration(link, &mod);
+ pcmcia_fixup_iowidth(link);
smc91c92_resume(link);
return check_sig(link);
}
diff --git a/drivers/pcmcia/pcmcia_resource.c b/drivers/pcmcia/pcmcia_resource.c
index bf16a1cf7399..14b1a951e1b6 100644
--- a/drivers/pcmcia/pcmcia_resource.c
+++ b/drivers/pcmcia/pcmcia_resource.c
@@ -226,92 +226,90 @@ int pcmcia_map_mem_page(struct pcmcia_device *p_dev, struct resource *res,
EXPORT_SYMBOL(pcmcia_map_mem_page);
-/** pcmcia_modify_configuration
+/**
+ * pcmcia_fixup_iowidth() - reduce io width to 8bit
*
- * Modify a locked socket configuration
+ * pcmcia_fixup_iowidth() allows a PCMCIA device driver to reduce the
+ * IO width to 8bit after having called pcmcia_request_configuration()
+ * previously.
*/
-int pcmcia_modify_configuration(struct pcmcia_device *p_dev,
- modconf_t *mod)
+int pcmcia_fixup_iowidth(struct pcmcia_device *p_dev)
{
- struct pcmcia_socket *s;
- config_t *c;
- int ret;
-
- s = p_dev->socket;
+ struct pcmcia_socket *s = p_dev->socket;
+ pccard_io_map io_off = { 0, 0, 0, 0, 1 };
+ pccard_io_map io_on;
+ int i, ret = 0;
mutex_lock(&s->ops_mutex);
- c = p_dev->function_config;
- if (!(s->state & SOCKET_PRESENT)) {
- dev_dbg(&p_dev->dev, "No card present\n");
- ret = -ENODEV;
- goto unlock;
- }
- if (!(c->state & CONFIG_LOCKED)) {
- dev_dbg(&p_dev->dev, "Configuration isnt't locked\n");
+ dev_dbg(&p_dev->dev, "fixup iowidth to 8bit\n");
+
+ if (!(s->state & SOCKET_PRESENT) ||
+ !(p_dev->function_config->state & CONFIG_LOCKED)) {
+ dev_dbg(&p_dev->dev, "No card? Config not locked?\n");
ret = -EACCES;
goto unlock;
}
- if (mod->Attributes & (CONF_IRQ_CHANGE_VALID | CONF_VCC_CHANGE_VALID)) {
- dev_dbg(&p_dev->dev,
- "changing Vcc or IRQ is not allowed at this time\n");
- ret = -EINVAL;
- goto unlock;
- }
+ 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;
- /* We only allow changing Vpp1 and Vpp2 to the same value */
- if ((mod->Attributes & CONF_VPP1_CHANGE_VALID) &&
- (mod->Attributes & CONF_VPP2_CHANGE_VALID)) {
- if (mod->Vpp1 != mod->Vpp2) {
- dev_dbg(&p_dev->dev,
- "Vpp1 and Vpp2 must be the same\n");
- ret = -EINVAL;
- goto unlock;
- }
- s->socket.Vpp = mod->Vpp1;
- if (s->ops->set_socket(s, &s->socket)) {
- dev_printk(KERN_WARNING, &p_dev->dev,
- "Unable to set VPP\n");
- ret = -EIO;
- goto unlock;
- }
- } else if ((mod->Attributes & CONF_VPP1_CHANGE_VALID) ||
- (mod->Attributes & CONF_VPP2_CHANGE_VALID)) {
- dev_dbg(&p_dev->dev,
- "changing Vcc is not allowed at this time\n");
- ret = -EINVAL;
- goto unlock;
+ 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);
}
+unlock:
+ mutex_unlock(&s->ops_mutex);
- if (mod->Attributes & CONF_IO_CHANGE_WIDTH) {
- pccard_io_map io_off = { 0, 0, 0, 0, 1 };
- pccard_io_map io_on;
- int i;
+ return ret;
+}
+EXPORT_SYMBOL(pcmcia_fixup_iowidth);
- 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;
+/**
+ * pcmcia_fixup_vpp() - set Vpp to a new voltage level
+ *
+ * pcmcia_fixup_vpp() allows a PCMCIA device driver to set Vpp to
+ * a new voltage level between calls to pcmcia_request_configuration()
+ * and pcmcia_disable_device().
+ */
+int pcmcia_fixup_vpp(struct pcmcia_device *p_dev, unsigned char new_vpp)
+{
+ struct pcmcia_socket *s = p_dev->socket;
+ int ret = 0;
- s->ops->set_io_map(s, &io_off);
- mdelay(40);
- s->ops->set_io_map(s, &io_on);
- }
+ mutex_lock(&s->ops_mutex);
+
+ dev_dbg(&p_dev->dev, "fixup Vpp to %d\n", new_vpp);
+
+ if (!(s->state & SOCKET_PRESENT) ||
+ !(p_dev->function_config->state & CONFIG_LOCKED)) {
+ dev_dbg(&p_dev->dev, "No card? Config not locked?\n");
+ ret = -EACCES;
+ goto unlock;
}
- ret = 0;
+
+ s->socket.Vpp = new_vpp;
+ if (s->ops->set_socket(s, &s->socket)) {
+ dev_warn(&p_dev->dev, "Unable to set VPP\n");
+ ret = -EIO;
+ goto unlock;
+ }
+
unlock:
mutex_unlock(&s->ops_mutex);
return ret;
-} /* modify_configuration */
-EXPORT_SYMBOL(pcmcia_modify_configuration);
+}
+EXPORT_SYMBOL(pcmcia_fixup_vpp);
int pcmcia_release_configuration(struct pcmcia_device *p_dev)
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-30 03:24:04 +0000