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path: root/drivers/pnp/pnpacpi/core.c
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Diffstat (limited to 'drivers/pnp/pnpacpi/core.c')
-rw-r--r--drivers/pnp/pnpacpi/core.c16
1 files changed, 10 insertions, 6 deletions
diff --git a/drivers/pnp/pnpacpi/core.c b/drivers/pnp/pnpacpi/core.c
index 53561d7..383e47c 100644
--- a/drivers/pnp/pnpacpi/core.c
+++ b/drivers/pnp/pnpacpi/core.c
@@ -75,7 +75,7 @@ static int __init ispnpidacpi(char *id)
static int pnpacpi_get_resources(struct pnp_dev *dev)
{
- dev_dbg(&dev->dev, "get resources\n");
+ pnp_dbg(&dev->dev, "get resources\n");
return pnpacpi_parse_allocated_resource(dev);
}
@@ -86,7 +86,7 @@ static int pnpacpi_set_resources(struct pnp_dev *dev)
int ret;
acpi_status status;
- dev_dbg(&dev->dev, "set resources\n");
+ pnp_dbg(&dev->dev, "set resources\n");
ret = pnpacpi_build_resource_template(dev, &buffer);
if (ret)
return ret;
@@ -148,9 +148,13 @@ static int __init pnpacpi_add_device(struct acpi_device *device)
acpi_status status;
struct pnp_dev *dev;
+ /*
+ * If a PnPacpi device is not present , the device
+ * driver should not be loaded.
+ */
status = acpi_get_handle(device->handle, "_CRS", &temp);
if (ACPI_FAILURE(status) || !ispnpidacpi(acpi_device_hid(device)) ||
- is_exclusive_device(device))
+ is_exclusive_device(device) || (!device->status.present))
return 0;
dev = pnp_alloc_dev(&pnpacpi_protocol, num, acpi_device_hid(device));
@@ -255,14 +259,14 @@ int pnpacpi_disabled __initdata;
static int __init pnpacpi_init(void)
{
if (acpi_disabled || pnpacpi_disabled) {
- pnp_info("PnP ACPI: disabled");
+ printk(KERN_INFO "pnp: PnP ACPI: disabled\n");
return 0;
}
- pnp_info("PnP ACPI init");
+ printk(KERN_INFO "pnp: PnP ACPI init\n");
pnp_register_protocol(&pnpacpi_protocol);
register_acpi_bus_type(&acpi_pnp_bus);
acpi_get_devices(NULL, pnpacpi_add_device_handler, NULL, NULL);
- pnp_info("PnP ACPI: found %d devices", num);
+ printk(KERN_INFO "pnp: PnP ACPI: found %d devices\n", num);
unregister_acpi_bus_type(&acpi_pnp_bus);
pnp_platform_devices = 1;
return 0;
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