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path: root/drivers/pci/pci-driver.c
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Diffstat (limited to 'drivers/pci/pci-driver.c')
-rw-r--r--drivers/pci/pci-driver.c31
1 files changed, 22 insertions, 9 deletions
diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c
index 0d0d533894e..a9046d4b8af 100644
--- a/drivers/pci/pci-driver.c
+++ b/drivers/pci/pci-driver.c
@@ -8,6 +8,9 @@
#include <linux/init.h>
#include <linux/device.h>
#include <linux/mempolicy.h>
+#include <linux/string.h>
+#include <linux/slab.h>
+#include <linux/sched.h>
#include "pci.h"
/*
@@ -26,12 +29,15 @@ struct pci_dynid {
#ifdef CONFIG_HOTPLUG
/**
- * store_new_id
+ * store_new_id - add a new PCI device ID to this driver and re-probe devices
+ * @driver: target device driver
+ * @buf: buffer for scanning device ID data
+ * @count: input size
*
* Adds a new dynamic pci device ID to this driver,
* and causes the driver to probe for all devices again.
*/
-static inline ssize_t
+static ssize_t
store_new_id(struct device_driver *driver, const char *buf, size_t count)
{
struct pci_dynid *dynid;
@@ -194,8 +200,10 @@ static int pci_call_probe(struct pci_driver *drv, struct pci_dev *dev,
/**
* __pci_device_probe()
+ * @drv: driver to call to check if it wants the PCI device
+ * @pci_dev: PCI device being probed
*
- * returns 0 on success, else error.
+ * returns 0 on success, else error.
* side-effect: pci_dev->driver is set to drv when drv claims pci_dev.
*/
static int
@@ -356,15 +364,16 @@ static struct kobj_type pci_driver_kobj_type = {
};
/**
- * pci_register_driver - register a new pci driver
+ * __pci_register_driver - register a new pci driver
* @drv: the driver structure to register
+ * @owner: owner module of drv
*
* Adds the driver structure to the list of registered drivers.
* Returns a negative value on error, otherwise 0.
* If no error occurred, the driver remains registered even if
* no device was claimed during registration.
*/
-int pci_register_driver(struct pci_driver *drv)
+int __pci_register_driver(struct pci_driver *drv, struct module *owner)
{
int error;
@@ -377,7 +386,11 @@ int pci_register_driver(struct pci_driver *drv)
* the pci shutdown function, this test can go away. */
if (!drv->driver.shutdown)
drv->driver.shutdown = pci_device_shutdown;
- drv->driver.owner = drv->owner;
+ else
+ printk(KERN_WARNING "Warning: PCI driver %s has a struct "
+ "device_driver shutdown method, please update!\n",
+ drv->name);
+ drv->driver.owner = owner;
drv->driver.kobj.ktype = &pci_driver_kobj_type;
spin_lock_init(&drv->dynids.lock);
@@ -436,11 +449,11 @@ pci_dev_driver(const struct pci_dev *dev)
/**
* pci_bus_match - Tell if a PCI device structure has a matching PCI device id structure
- * @ids: array of PCI device id structures to search in
* @dev: the PCI device structure to match against
+ * @drv: the device driver to search for matching PCI device id structures
*
* Used by a driver to check whether a PCI device present in the
- * system is in its list of supported devices.Returns the matching
+ * system is in its list of supported devices. Returns the matching
* pci_device_id structure or %NULL if there is no match.
*/
static int pci_bus_match(struct device *dev, struct device_driver *drv)
@@ -514,7 +527,7 @@ postcore_initcall(pci_driver_init);
EXPORT_SYMBOL(pci_match_id);
EXPORT_SYMBOL(pci_match_device);
-EXPORT_SYMBOL(pci_register_driver);
+EXPORT_SYMBOL(__pci_register_driver);
EXPORT_SYMBOL(pci_unregister_driver);
EXPORT_SYMBOL(pci_dev_driver);
EXPORT_SYMBOL(pci_bus_type);