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device.h: audit and cleanup users in main include dir 

The <linux/device.h> header includes a lot of stuff, and
it in turn gets a lot of use just for the basic "struct device"
which appears so often.

Clean up the users as follows:

1) For those headers only needing "struct device" as a pointer
in fcn args, replace the include with exactly that.

2) For headers not really using anything from device.h, simply
delete the include altogether.

3) For headers relying on getting device.h implicitly before
being included themselves, now explicitly include device.h

4) For files in which doing #1 or #2 uncovers an implicit
dependency on some other header, fix by explicitly adding
the required header(s).

Any C files that were implicitly relying on device.h to be
present have already been dealt with in advance.

Total removals from #1 and #2: 51.  Total additions coming
from #3: 9.  Total other implicit dependencies from #4: 7.

As of 3.3-rc1, there were 110, so a net removal of 42 gives
about a 38% reduction in device.h presence in include/*

Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
This commit is contained in:
Paul Gortmaker 2012-01-30 11:46:54 -05:00
parent 51990e8254
commit 313162d0b8
53 changed files with 68 additions and 52 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
include/linux/amba/pl022.h
View File

@ -25,8 +25,6 @@
#ifndef _SSP_PL022_H
#define _SSP_PL022_H
#include <linux/device.h>
/**
* whether SSP is in loopback mode or not
*/

2
include/linux/atmdev.h
View File

@ -213,7 +213,6 @@ struct atm_cirange {
#ifdef __KERNEL__
#include <linux/device.h>
#include <linux/wait.h> /* wait_queue_head_t */
#include <linux/time.h> /* struct timeval */
#include <linux/net.h>
@ -249,6 +248,7 @@ struct k_atm_dev_stats {
struct k_atm_aal_stats aal5;
};
struct device;
enum {
ATM_VF_ADDR, /* Address is in use. Set by anybody, cleared

3
include/linux/attribute_container.h
View File

@ -9,10 +9,11 @@
#ifndef _ATTRIBUTE_CONTAINER_H_
#define _ATTRIBUTE_CONTAINER_H_
#include <linux/device.h>
#include <linux/list.h>
#include <linux/klist.h>
struct device;
struct attribute_container {
struct list_head node;
struct klist containers;

3
include/linux/c2port.h
View File

@ -9,11 +9,12 @@
* the Free Software Foundation
*/
#include <linux/device.h>
#include <linux/kmemcheck.h>
#define C2PORT_NAME_LEN 32
struct device;
/*
* C2 port basic structs
*/

1
include/linux/cdrom.h
View File

@ -910,7 +910,6 @@ struct mode_page_header {
#ifdef __KERNEL__
#include <linux/fs.h> /* not really needed, later.. */
#include <linux/device.h>
#include <linux/list.h>
struct packet_command

3
include/linux/cpu.h
View File

@ -14,11 +14,12 @@
#ifndef _LINUX_CPU_H_
#define _LINUX_CPU_H_
#include <linux/device.h>
#include <linux/node.h>
#include <linux/compiler.h>
#include <linux/cpumask.h>
struct device;
struct cpu {
int node_id; /* The node which contains the CPU */
int hotpluggable; /* creates sysfs control file if hotpluggable */

1
include/linux/cpufreq.h
View File

@ -14,7 +14,6 @@
#include <linux/mutex.h>
#include <linux/notifier.h>
#include <linux/threads.h>
#include <linux/device.h>
#include <linux/kobject.h>
#include <linux/sysfs.h>
#include <linux/completion.h>

1
include/linux/crash_dump.h
View File

@ -3,7 +3,6 @@
#ifdef CONFIG_CRASH_DUMP
#include <linux/kexec.h>
#include <linux/device.h>
#include <linux/proc_fs.h>
#include <linux/elf.h>

2
include/linux/dma-buf.h
View File

@ -26,11 +26,11 @@
#include <linux/file.h>
#include <linux/err.h>
#include <linux/device.h>
#include <linux/scatterlist.h>
#include <linux/list.h>
#include <linux/dma-mapping.h>
struct device;
struct dma_buf;
struct dma_buf_attachment;

6
include/linux/edac.h
View File

@ -13,7 +13,11 @@
#define _LINUX_EDAC_H_
#include <linux/atomic.h>
#include <linux/device.h>
#include <linux/kobject.h>
#include <linux/completion.h>
#include <linux/workqueue.h>
struct device;
#define EDAC_OPSTATE_INVAL -1
#define EDAC_OPSTATE_POLL 0

1
include/linux/fb.h
View File

@ -407,7 +407,6 @@ struct fb_cursor {
#include <linux/fs.h>
#include <linux/init.h>
#include <linux/device.h>
#include <linux/workqueue.h>
#include <linux/notifier.h>
#include <linux/list.h>

3
include/linux/firewire.h
View File

@ -2,7 +2,6 @@
#define _LINUX_FIREWIRE_H
#include <linux/completion.h>
#include <linux/device.h>
#include <linux/dma-mapping.h>
#include <linux/kernel.h>
#include <linux/kref.h>
@ -68,6 +67,8 @@
#define CSR_MODEL 0x17
#define CSR_DIRECTORY_ID 0x20
struct device;
struct fw_csr_iterator {
const u32 *p;
const u32 *end;

2
include/linux/hwmon-sysfs.h
View File

@ -20,6 +20,8 @@
#ifndef _LINUX_HWMON_SYSFS_H
#define _LINUX_HWMON_SYSFS_H
#include <linux/device.h>
struct sensor_device_attribute{
struct device_attribute dev_attr;
int index;

2
include/linux/hwmon.h
View File

@ -14,7 +14,7 @@
#ifndef _HWMON_H_
#define _HWMON_H_
#include <linux/device.h>
struct device;
struct device *hwmon_device_register(struct device *dev);

2
include/linux/hwspinlock.h
View File

@ -20,12 +20,12 @@
#include <linux/err.h>
#include <linux/sched.h>
#include <linux/device.h>
/* hwspinlock mode argument */
#define HWLOCK_IRQSTATE 0x01 /* Disable interrupts, save state */
#define HWLOCK_IRQ 0x02 /* Disable interrupts, don't save state */
struct device;
struct hwspinlock;
struct hwspinlock_device;
struct hwspinlock_ops;

3
include/linux/ide.h
View File

@ -14,7 +14,6 @@
#include <linux/interrupt.h>
#include <linux/bitops.h>
#include <linux/bio.h>
#include <linux/device.h>
#include <linux/pci.h>
#include <linux/completion.h>
#include <linux/pm.h>
@ -43,6 +42,8 @@
#define ERROR_RESET 3 /* Reset controller every 4th retry */
#define ERROR_RECAL 1 /* Recalibrate every 2nd retry */
struct device;
/* Error codes returned in rq->errors to the higher part of the driver. */
enum {
IDE_DRV_ERROR_GENERAL = 101,

2
include/linux/ipmi.h
View File

@ -220,10 +220,10 @@ struct kernel_ipmi_msg {
* The in-kernel interface.
*/
#include <linux/list.h>
#include <linux/device.h>
#include <linux/proc_fs.h>
struct module;
struct device;
/* Opaque type for a IPMI message user. One of these is needed to
send and receive messages. */

3
include/linux/ipmi_smi.h
View File

@ -36,10 +36,11 @@
#include <linux/ipmi_msgdefs.h>
#include <linux/proc_fs.h>
#include <linux/device.h>
#include <linux/platform_device.h>
#include <linux/ipmi.h>
struct device;
/* This files describes the interface for IPMI system management interface
drivers to bind into the IPMI message handler. */

2
include/linux/jz4740-adc.h
View File

@ -2,7 +2,7 @@
#ifndef __LINUX_JZ4740_ADC
#define __LINUX_JZ4740_ADC
#include <linux/device.h>
struct device;
/*
* jz4740_adc_set_config - Configure a JZ4740 adc device

2
include/linux/maple.h
View File

@ -1,9 +1,9 @@
#ifndef __LINUX_MAPLE_H
#define __LINUX_MAPLE_H
#include <linux/device.h>
#include <mach/maple.h>
struct device;
extern struct bus_type maple_bus_type;
/* Maple Bus command and response codes */

3
include/linux/mfd/abx500.h
View File

@ -14,9 +14,10 @@
* Author: Rickard Andersson <rickard.andersson@stericsson.com>
*/
#include <linux/device.h>
#include <linux/regulator/machine.h>
struct device;
#ifndef MFD_ABX500_H
#define MFD_ABX500_H

2
include/linux/mfd/abx500/ab5500.h
View File

@ -6,7 +6,7 @@
#ifndef MFD_AB5500_H
#define MFD_AB5500_H
#include <linux/device.h>
struct device;
enum ab5500_devid {
AB5500_DEVID_ADC,

4
include/linux/mfd/abx500/ab8500.h
View File

@ -7,7 +7,9 @@
#ifndef MFD_AB8500_H
#define MFD_AB8500_H
#include <linux/device.h>
#include <linux/mutex.h>
struct device;
/*
* AB8500 bank addresses

1
include/linux/mfd/pm8xxx/pm8921.h
View File

@ -18,7 +18,6 @@
#ifndef __MFD_PM8921_H
#define __MFD_PM8921_H
#include <linux/device.h>
#include <linux/mfd/pm8xxx/irq.h>
#define PM8921_NR_IRQS 256

4
include/linux/mfd/stmpe.h
View File

@ -8,7 +8,9 @@
#ifndef __LINUX_MFD_STMPE_H
#define __LINUX_MFD_STMPE_H
#include <linux/device.h>
#include <linux/mutex.h>
struct device;
enum stmpe_block {
STMPE_BLOCK_GPIO = 1 << 0,

2
include/linux/mfd/tc3589x.h
View File

@ -7,7 +7,7 @@
#ifndef __LINUX_MFD_TC3589x_H
#define __LINUX_MFD_TC3589x_H
#include <linux/device.h>
struct device;
enum tx3589x_block {
TC3589x_BLOCK_GPIO = 1 << 0,

1
include/linux/mlx4/driver.h
View File

@ -33,7 +33,6 @@
#ifndef MLX4_DRIVER_H
#define MLX4_DRIVER_H
#include <linux/device.h>
#include <linux/mlx4/device.h>
struct mlx4_dev;

1
include/linux/mmc/card.h
View File

@ -10,6 +10,7 @@
#ifndef LINUX_MMC_CARD_H
#define LINUX_MMC_CARD_H
#include <linux/device.h>
#include <linux/mmc/core.h>
#include <linux/mod_devicetable.h>

2
include/linux/mmc/core.h
View File

@ -9,7 +9,7 @@
#define LINUX_MMC_CORE_H
#include <linux/interrupt.h>
#include <linux/device.h>
#include <linux/completion.h>
struct request;
struct mmc_data;

1
include/linux/mmc/host.h
View File

@ -12,6 +12,7 @@
#include <linux/leds.h>
#include <linux/sched.h>
#include <linux/device.h>
#include <linux/fault-inject.h>
#include <linux/mmc/core.h>

2
include/linux/netdevice.h
View File

@ -38,7 +38,6 @@
#include <asm/cache.h>
#include <asm/byteorder.h>
#include <linux/device.h>
#include <linux/percpu.h>
#include <linux/rculist.h>
#include <linux/dmaengine.h>
@ -56,6 +55,7 @@
#include <linux/netdev_features.h>
struct netpoll_info;
struct device;
struct phy_device;
/* 802.11 specific */
struct wireless_dev;

3
include/linux/of_device.h
View File

@ -5,10 +5,11 @@
#include <linux/of_platform.h> /* temporary until merge */
#ifdef CONFIG_OF_DEVICE
#include <linux/device.h>
#include <linux/of.h>
#include <linux/mod_devicetable.h>
struct device;
extern const struct of_device_id *of_match_device(
const struct of_device_id *matches, const struct device *dev);
extern void of_device_make_bus_id(struct device *dev);

1
include/linux/opp.h
View File

@ -19,6 +19,7 @@
#include <linux/notifier.h>
struct opp;
struct device;
enum opp_event {
OPP_EVENT_ADD, OPP_EVENT_ENABLE, OPP_EVENT_DISABLE,

5
include/linux/phy.h
View File

@ -19,7 +19,6 @@
#define __PHY_H
#include <linux/spinlock.h>
#include <linux/device.h>
#include <linux/ethtool.h>
#include <linux/mii.h>
#include <linux/timer.h>
@ -88,6 +87,9 @@ typedef enum {
IEEE 802.3ae clause 45 addressing mode used by 10GIGE phy chips. */
#define MII_ADDR_C45 (1<<30)
struct device;
struct sk_buff;
/*
* The Bus class for PHYs. Devices which provide access to
* PHYs should register using this structure
@ -241,7 +243,6 @@ enum phy_state {
PHY_RESUMING
};
struct sk_buff;
/* phy_device: An instance of a PHY
*

2
include/linux/pm_domain.h
View File

@ -10,6 +10,8 @@
#define _LINUX_PM_DOMAIN_H
#include <linux/device.h>
#include <linux/mutex.h>
#include <linux/pm.h>
#include <linux/err.h>
enum gpd_status {

3
include/linux/power_supply.h
View File

@ -13,10 +13,11 @@
#ifndef __LINUX_POWER_SUPPLY_H__
#define __LINUX_POWER_SUPPLY_H__
#include <linux/device.h>
#include <linux/workqueue.h>
#include <linux/leds.h>
struct device;
/*
* All voltages, currents, charges, energies, time and temperatures in uV,
* µA, µAh, µWh, seconds and tenths of degree Celsius unless otherwise

2
include/linux/regmap.h
View File

@ -13,10 +13,10 @@
* published by the Free Software Foundation.
*/
#include <linux/device.h>
#include <linux/list.h>
struct module;
struct device;
struct i2c_client;
struct spi_device;

3
include/linux/regulator/consumer.h
View File

@ -35,7 +35,8 @@
#ifndef __LINUX_REGULATOR_CONSUMER_H_
#define __LINUX_REGULATOR_CONSUMER_H_
#include <linux/device.h>
struct device;
struct notifier_block;
/*
* Regulator operating modes.

2
include/linux/rfkill.h
View File

@ -117,10 +117,10 @@ enum rfkill_user_states {
#include <linux/kernel.h>
#include <linux/list.h>
#include <linux/mutex.h>
#include <linux/device.h>
#include <linux/leds.h>
#include <linux/err.h>
struct device;
/* this is opaque */
struct rfkill;

1
include/linux/rio_drv.h
View File

@ -17,7 +17,6 @@
#include <linux/ioport.h>
#include <linux/list.h>
#include <linux/errno.h>
#include <linux/device.h>
#include <linux/string.h>
#include <linux/rio.h>

1
include/linux/serial_pnx8xxx.h
View File

@ -20,7 +20,6 @@
#define _LINUX_SERIAL_PNX8XXX_H
#include <linux/serial_core.h>
#include <linux/device.h>
#define PNX8XXX_NR_PORTS 2

2
include/linux/spi/mmc_spi.h
View File

@ -1,10 +1,10 @@
#ifndef __LINUX_SPI_MMC_SPI_H
#define __LINUX_SPI_MMC_SPI_H
#include <linux/device.h>
#include <linux/spi/spi.h>
#include <linux/interrupt.h>
struct device;
struct mmc_host;
/* Put this in platform_data of a device being used to manage an MMC/SD

2
include/linux/wimax/debug.h
View File

@ -154,9 +154,9 @@
#define __debug__h__
#include <linux/types.h>
#include <linux/device.h>
#include <linux/slab.h>
struct device;
/* Backend stuff */

3
include/media/media-device.h
View File

@ -23,7 +23,6 @@
#ifndef _MEDIA_DEVICE_H
#define _MEDIA_DEVICE_H
#include <linux/device.h>
#include <linux/list.h>
#include <linux/mutex.h>
#include <linux/spinlock.h>
@ -31,6 +30,8 @@
#include <media/media-devnode.h>
#include <media/media-entity.h>
struct device;
/**
* struct media_device - Media device
* @dev: Parent device

1
include/media/v4l2-ctrls.h
View File

@ -22,7 +22,6 @@
#define _V4L2_CTRLS_H
#include <linux/list.h>
#include <linux/device.h>
#include <linux/videodev2.h>
/* forward references */

1
include/media/v4l2-ioctl.h
View File

@ -11,7 +11,6 @@
#include <linux/poll.h>
#include <linux/fs.h>
#include <linux/device.h>
#include <linux/mutex.h>
#include <linux/compiler.h> /* need __user */
#include <linux/videodev2.h>

3
include/net/mac80211.h
View File

@ -16,7 +16,6 @@
#include <linux/kernel.h>
#include <linux/if_ether.h>
#include <linux/skbuff.h>
#include <linux/device.h>
#include <linux/ieee80211.h>
#include <net/cfg80211.h>
#include <asm/unaligned.h>
@ -87,6 +86,8 @@
*
*/
struct device;
/**
* enum ieee80211_max_queues - maximum number of queues
*

2
include/scsi/scsi_device.h
View File

@ -1,7 +1,6 @@
#ifndef _SCSI_SCSI_DEVICE_H
#define _SCSI_SCSI_DEVICE_H
#include <linux/device.h>
#include <linux/list.h>
#include <linux/spinlock.h>
#include <linux/workqueue.h>
@ -9,6 +8,7 @@
#include <scsi/scsi.h>
#include <linux/atomic.h>
struct device;
struct request_queue;
struct scsi_cmnd;
struct scsi_lun;

5
include/sound/core.h
View File

@ -26,7 +26,6 @@
#include <linux/mutex.h> /* struct mutex */
#include <linux/rwsem.h> /* struct rw_semaphore */
#include <linux/pm.h> /* pm_message_t */
#include <linux/device.h>
#include <linux/stringify.h>
/* number of supported soundcards */
@ -39,10 +38,10 @@
#define CONFIG_SND_MAJOR 116 /* standard configuration */
/* forward declarations */
#ifdef CONFIG_PCI
struct pci_dev;
#endif
struct module;
struct device;
struct device_attribute;
/* device allocation stuff */

3
include/sound/soc-dapm.h
View File

@ -13,10 +13,11 @@
#ifndef __LINUX_SND_SOC_DAPM_H
#define __LINUX_SND_SOC_DAPM_H
#include <linux/device.h>
#include <linux/types.h>
#include <sound/control.h>
struct device;
/* widget has no PM register bit */
#define SND_SOC_NOPM -1

2
include/trace/events/regmap.h
View File

@ -4,10 +4,10 @@
#if !defined(_TRACE_REGMAP_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_REGMAP_H
#include <linux/device.h>
#include <linux/ktime.h>
#include <linux/tracepoint.h>
struct device;
struct regmap;
/*

3
include/trace/events/rpm.h
View File

@ -7,7 +7,8 @@
#include <linux/ktime.h>
#include <linux/tracepoint.h>
#include <linux/device.h>
struct device;
/*
* The rpm_internal events are used for tracing some important

1
include/trace/events/writeback.h
View File

@ -5,7 +5,6 @@
#define _TRACE_WRITEBACK_H
#include <linux/backing-dev.h>
#include <linux/device.h>
#include <linux/writeback.h>
#define show_inode_state(state) \