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Driver core: coding style fixes

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Fix up a number of coding style issues in the drivers/base/ directory
that have annoyed me over the years.  checkpatch.pl is now very happy.

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Greg Kroah-Hartman
2008-01-24 22:50:12 -08:00
parent e374a2bfeb
commit 4a3ad20ccd
8 changed files with 545 additions and 583 deletions
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119
drivers/base/dd.c
View File

@@ -1,20 +1,20 @@
/*
* drivers/base/dd.c - The core device/driver interactions.
* drivers/base/dd.c - The core device/driver interactions.
*
* This file contains the (sometimes tricky) code that controls the
* interactions between devices and drivers, which primarily includes
* driver binding and unbinding.
* This file contains the (sometimes tricky) code that controls the
* interactions between devices and drivers, which primarily includes
* driver binding and unbinding.
*
* All of this code used to exist in drivers/base/bus.c, but was
* relocated to here in the name of compartmentalization (since it wasn't
* strictly code just for the 'struct bus_type'.
* All of this code used to exist in drivers/base/bus.c, but was
* relocated to here in the name of compartmentalization (since it wasn't
* strictly code just for the 'struct bus_type'.
*
* Copyright (c) 2002-5 Patrick Mochel
* Copyright (c) 2002-3 Open Source Development Labs
* Copyright (c) 2007 Greg Kroah-Hartman <gregkh@suse.de>
* Copyright (c) 2007 Novell Inc.
* Copyright (c) 2002-5 Patrick Mochel
* Copyright (c) 2002-3 Open Source Development Labs
* Copyright (c) 2007 Greg Kroah-Hartman <gregkh@suse.de>
* Copyright (c) 2007 Novell Inc.
*
* This file is released under the GPLv2
* This file is released under the GPLv2
*/
#include <linux/device.h>
@@ -71,18 +71,18 @@ static void driver_sysfs_remove(struct device *dev)
}
/**
* device_bind_driver - bind a driver to one device.
* @dev: device.
* device_bind_driver - bind a driver to one device.
* @dev: device.
*
* Allow manual attachment of a driver to a device.
* Caller must have already set @dev->driver.
* Allow manual attachment of a driver to a device.
* Caller must have already set @dev->driver.
*
* Note that this does not modify the bus reference count
* nor take the bus's rwsem. Please verify those are accounted
* for before calling this. (It is ok to call with no other effort
* from a driver's probe() method.)
* Note that this does not modify the bus reference count
* nor take the bus's rwsem. Please verify those are accounted
* for before calling this. (It is ok to call with no other effort
* from a driver's probe() method.)
*
* This function must be called with @dev->sem held.
* This function must be called with @dev->sem held.
*/
int device_bind_driver(struct device *dev)
{
@@ -93,6 +93,7 @@ int device_bind_driver(struct device *dev)
driver_bound(dev);
return ret;
}
EXPORT_SYMBOL_GPL(device_bind_driver);
static atomic_t probe_count = ATOMIC_INIT(0);
static DECLARE_WAIT_QUEUE_HEAD(probe_waitqueue);
@@ -183,7 +184,7 @@ int driver_probe_done(void)
* This function must be called with @dev->sem held. When called for a
* USB interface, @dev->parent->sem must be held as well.
*/
int driver_probe_device(struct device_driver * drv, struct device * dev)
int driver_probe_device(struct device_driver *drv, struct device *dev)
{
int ret = 0;
@@ -201,27 +202,27 @@ done:
return ret;
}
static int __device_attach(struct device_driver * drv, void * data)
static int __device_attach(struct device_driver *drv, void *data)
{
struct device * dev = data;
struct device *dev = data;
return driver_probe_device(drv, dev);
}
/**
* device_attach - try to attach device to a driver.
* @dev: device.
* device_attach - try to attach device to a driver.
* @dev: device.
*
* Walk the list of drivers that the bus has and call
* driver_probe_device() for each pair. If a compatible
* pair is found, break out and return.
* Walk the list of drivers that the bus has and call
* driver_probe_device() for each pair. If a compatible
* pair is found, break out and return.
*
* Returns 1 if the device was bound to a driver;
* 0 if no matching device was found;
* -ENODEV if the device is not registered.
* Returns 1 if the device was bound to a driver;
* 0 if no matching device was found;
* -ENODEV if the device is not registered.
*
* When called for a USB interface, @dev->parent->sem must be held.
* When called for a USB interface, @dev->parent->sem must be held.
*/
int device_attach(struct device * dev)
int device_attach(struct device *dev)
{
int ret = 0;
@@ -240,10 +241,11 @@ int device_attach(struct device * dev)
up(&dev->sem);
return ret;
}
EXPORT_SYMBOL_GPL(device_attach);
static int __driver_attach(struct device * dev, void * data)
static int __driver_attach(struct device *dev, void *data)
{
struct device_driver * drv = data;
struct device_driver *drv = data;
/*
* Lock device and try to bind to it. We drop the error
@@ -268,26 +270,27 @@ static int __driver_attach(struct device * dev, void * data)
}
/**
* driver_attach - try to bind driver to devices.
* @drv: driver.
* driver_attach - try to bind driver to devices.
* @drv: driver.
*
* Walk the list of devices that the bus has on it and try to
* match the driver with each one. If driver_probe_device()
* returns 0 and the @dev->driver is set, we've found a
* compatible pair.
* Walk the list of devices that the bus has on it and try to
* match the driver with each one. If driver_probe_device()
* returns 0 and the @dev->driver is set, we've found a
* compatible pair.
*/
int driver_attach(struct device_driver * drv)
int driver_attach(struct device_driver *drv)
{
return bus_for_each_dev(drv->bus, NULL, drv, __driver_attach);
}
EXPORT_SYMBOL_GPL(driver_attach);
/*
* __device_release_driver() must be called with @dev->sem held.
* When called for a USB interface, @dev->parent->sem must be held as well.
* __device_release_driver() must be called with @dev->sem held.
* When called for a USB interface, @dev->parent->sem must be held as well.
*/
static void __device_release_driver(struct device * dev)
static void __device_release_driver(struct device *dev)
{
struct device_driver * drv;
struct device_driver *drv;
drv = dev->driver;
if (drv) {
@@ -310,13 +313,13 @@ static void __device_release_driver(struct device * dev)
}
/**
* device_release_driver - manually detach device from driver.
* @dev: device.
* device_release_driver - manually detach device from driver.
* @dev: device.
*
* Manually detach device from driver.
* When called for a USB interface, @dev->parent->sem must be held.
* Manually detach device from driver.
* When called for a USB interface, @dev->parent->sem must be held.
*/
void device_release_driver(struct device * dev)
void device_release_driver(struct device *dev)
{
/*
* If anyone calls device_release_driver() recursively from
@@ -327,15 +330,15 @@ void device_release_driver(struct device * dev)
__device_release_driver(dev);
up(&dev->sem);
}
EXPORT_SYMBOL_GPL(device_release_driver);
/**
* driver_detach - detach driver from all devices it controls.
* @drv: driver.
*/
void driver_detach(struct device_driver * drv)
void driver_detach(struct device_driver *drv)
{
struct device * dev;
struct device *dev;
for (;;) {
spin_lock(&drv->p->klist_devices.k_lock);
@@ -359,9 +362,3 @@ void driver_detach(struct device_driver * drv)
put_device(dev);
}
}
EXPORT_SYMBOL_GPL(device_bind_driver);
EXPORT_SYMBOL_GPL(device_release_driver);
EXPORT_SYMBOL_GPL(device_attach);
EXPORT_SYMBOL_GPL(driver_attach);