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[PATCH] Toshiba driver cleanup

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Toshiba legacy driver cleanup:
 - use module_init/module_exit for initialization instead of using
   #ifdef MODULE and calling tosh_init manually from drivers/char/misc.c
 - do not explicitly initialize static variables
 - some whitespace and formatting cleanups

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Dmitry Torokhov 2005-06-25 14:54:22 -07:00 committed by Linus Torvalds
parent 5cdb7b48d0
commit 3f5f7e2eeb
2 changed files with 24 additions and 40 deletions
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4
drivers/char/misc.c
View File

@ -66,7 +66,6 @@ static unsigned char misc_minors[DYNAMIC_MINORS / 8];
extern int rtc_DP8570A_init(void);
extern int rtc_MK48T08_init(void);
extern int pmu_device_init(void);
extern int tosh_init(void);
extern int i8k_init(void);
#ifdef CONFIG_PROC_FS
@ -314,9 +313,6 @@ static int __init misc_init(void)
#ifdef CONFIG_PMAC_PBOOK
pmu_device_init();
#endif
#ifdef CONFIG_TOSHIBA
tosh_init();
#endif
#ifdef CONFIG_I8K
i8k_init();
#endif

60
drivers/char/toshiba.c
View File

@ -73,16 +73,20 @@
#define TOSH_MINOR_DEV 181
static int tosh_id = 0x0000;
static int tosh_bios = 0x0000;
static int tosh_date = 0x0000;
static int tosh_sci = 0x0000;
static int tosh_fan = 0;
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Jonathan Buzzard <jonathan@buzzard.org.uk>");
MODULE_DESCRIPTION("Toshiba laptop SMM driver");
MODULE_SUPPORTED_DEVICE("toshiba");
static int tosh_fn = 0;
module_param(tosh_fn, int, 0);
static int tosh_fn;
module_param_named(fn, tosh_fn, int, 0);
MODULE_PARM_DESC(fn, "User specified Fn key detection port");
static int tosh_id;
static int tosh_bios;
static int tosh_date;
static int tosh_sci;
static int tosh_fan;
static int tosh_ioctl(struct inode *, struct file *, unsigned int,
unsigned long);
@ -359,7 +363,7 @@ static int tosh_get_machine_id(void)
unsigned long address;
id = (0x100*(int) isa_readb(0xffffe))+((int) isa_readb(0xffffa));
/* do we have a SCTTable machine identication number on our hands */
if (id==0xfc2f) {
@ -424,7 +428,7 @@ static int tosh_probe(void)
}
/* call the Toshiba SCI support check routine */
regs.eax = 0xf0f0;
regs.ebx = 0x0000;
regs.ecx = 0x0000;
@ -440,7 +444,7 @@ static int tosh_probe(void)
/* if we get this far then we are running on a Toshiba (probably)! */
tosh_sci = regs.edx & 0xffff;
/* next get the machine ID of the current laptop */
tosh_id = tosh_get_machine_id();
@ -475,16 +479,15 @@ static int tosh_probe(void)
return 0;
}
int __init tosh_init(void)
static int __init toshiba_init(void)
{
int retval;
/* are we running on a Toshiba laptop */
if (tosh_probe()!=0)
return -EIO;
if (tosh_probe())
return -ENODEV;
printk(KERN_INFO "Toshiba System Managment Mode driver v"
TOSH_VERSION"\n");
printk(KERN_INFO "Toshiba System Managment Mode driver v" TOSH_VERSION "\n");
/* set the port to use for Fn status if not specified as a parameter */
if (tosh_fn==0x00)
@ -492,12 +495,12 @@ int __init tosh_init(void)
/* register the device file */
retval = misc_register(&tosh_device);
if(retval < 0)
if (retval < 0)
return retval;
#ifdef CONFIG_PROC_FS
/* register the proc entry */
if(create_proc_info_entry("toshiba", 0, NULL, tosh_get_info) == NULL){
if (create_proc_info_entry("toshiba", 0, NULL, tosh_get_info) == NULL) {
misc_deregister(&tosh_device);
return -ENOMEM;
}
@ -506,27 +509,12 @@ int __init tosh_init(void)
return 0;
}
#ifdef MODULE
int init_module(void)
static void __exit toshiba_exit(void)
{
return tosh_init();
}
void cleanup_module(void)
{
/* remove the proc entry */
remove_proc_entry("toshiba", NULL);
/* unregister the device file */
misc_deregister(&tosh_device);
}
#endif
MODULE_LICENSE("GPL");
MODULE_PARM_DESC(tosh_fn, "User specified Fn key detection port");
MODULE_AUTHOR("Jonathan Buzzard <jonathan@buzzard.org.uk>");
MODULE_DESCRIPTION("Toshiba laptop SMM driver");
MODULE_SUPPORTED_DEVICE("toshiba");
module_init(toshiba_init);
module_exit(toshiba_exit);