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path: root/drivers/pcmcia/pcmcia_resource.c
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Diffstat (limited to 'drivers/pcmcia/pcmcia_resource.c')
-rw-r--r--drivers/pcmcia/pcmcia_resource.c47
1 files changed, 22 insertions, 25 deletions
diff --git a/drivers/pcmcia/pcmcia_resource.c b/drivers/pcmcia/pcmcia_resource.c
index b2df04199a21..7c3d03bb4f30 100644
--- a/drivers/pcmcia/pcmcia_resource.c
+++ b/drivers/pcmcia/pcmcia_resource.c
@@ -21,6 +21,7 @@
#include <linux/pci.h>
#include <linux/device.h>
#include <linux/netdevice.h>
+#include <linux/slab.h>
#include <pcmcia/cs_types.h>
#include <pcmcia/ss.h>
@@ -256,6 +257,7 @@ int pcmcia_modify_configuration(struct pcmcia_device *p_dev,
{
struct pcmcia_socket *s;
config_t *c;
+ int ret;
s = p_dev->socket;
@@ -264,13 +266,13 @@ int pcmcia_modify_configuration(struct pcmcia_device *p_dev,
if (!(s->state & SOCKET_PRESENT)) {
dev_dbg(&s->dev, "No card present\n");
- mutex_unlock(&s->ops_mutex);
- return -ENODEV;
+ ret = -ENODEV;
+ goto unlock;
}
if (!(c->state & CONFIG_LOCKED)) {
dev_dbg(&s->dev, "Configuration isnt't locked\n");
- mutex_unlock(&s->ops_mutex);
- return -EACCES;
+ ret = -EACCES;
+ goto unlock;
}
if (mod->Attributes & CONF_IRQ_CHANGE_VALID) {
@@ -286,7 +288,8 @@ int pcmcia_modify_configuration(struct pcmcia_device *p_dev,
if (mod->Attributes & CONF_VCC_CHANGE_VALID) {
dev_dbg(&s->dev, "changing Vcc is not allowed at this time\n");
- return -EINVAL;
+ ret = -EINVAL;
+ goto unlock;
}
/* We only allow changing Vpp1 and Vpp2 to the same value */
@@ -294,21 +297,21 @@ int pcmcia_modify_configuration(struct pcmcia_device *p_dev,
(mod->Attributes & CONF_VPP2_CHANGE_VALID)) {
if (mod->Vpp1 != mod->Vpp2) {
dev_dbg(&s->dev, "Vpp1 and Vpp2 must be the same\n");
- mutex_unlock(&s->ops_mutex);
- return -EINVAL;
+ ret = -EINVAL;
+ goto unlock;
}
s->socket.Vpp = mod->Vpp1;
if (s->ops->set_socket(s, &s->socket)) {
- mutex_unlock(&s->ops_mutex);
dev_printk(KERN_WARNING, &s->dev,
"Unable to set VPP\n");
- return -EIO;
+ ret = -EIO;
+ goto unlock;
}
} else if ((mod->Attributes & CONF_VPP1_CHANGE_VALID) ||
(mod->Attributes & CONF_VPP2_CHANGE_VALID)) {
dev_dbg(&s->dev, "changing Vcc is not allowed at this time\n");
- mutex_unlock(&s->ops_mutex);
- return -EINVAL;
+ ret = -EINVAL;
+ goto unlock;
}
if (mod->Attributes & CONF_IO_CHANGE_WIDTH) {
@@ -332,9 +335,11 @@ int pcmcia_modify_configuration(struct pcmcia_device *p_dev,
s->ops->set_io_map(s, &io_on);
}
}
+ ret = 0;
+unlock:
mutex_unlock(&s->ops_mutex);
- return 0;
+ return ret;
} /* modify_configuration */
EXPORT_SYMBOL(pcmcia_modify_configuration);
@@ -750,20 +755,12 @@ int pcmcia_request_irq(struct pcmcia_device *p_dev, irq_req_t *req)
else
printk(KERN_WARNING "pcmcia: Driver needs updating to support IRQ sharing.\n");
-#ifdef CONFIG_PCMCIA_PROBE
-
-#ifdef IRQ_NOAUTOEN
- /* if the underlying IRQ infrastructure allows for it, only allocate
- * the IRQ, but do not enable it
- */
- if (!(req->Handler))
- type |= IRQ_NOAUTOEN;
-#endif /* IRQ_NOAUTOEN */
-
- if (s->irq.AssignedIRQ != 0) {
- /* If the interrupt is already assigned, it must be the same */
+ /* If the interrupt is already assigned, it must be the same */
+ if (s->irq.AssignedIRQ != 0)
irq = s->irq.AssignedIRQ;
- } else {
+
+#ifdef CONFIG_PCMCIA_PROBE
+ if (!irq) {
int try;
u32 mask = s->irq_mask;
void *data = p_dev; /* something unique to this device */