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w1: add helper macro module_w1_family 

The helper macro module_w1_family can be used in module drivers that
only register a w1 driver in their module init functions.  Add this
macro and use it in all applicable drivers.

Link: http://lkml.kernel.org/r/20160531204313.20979-2-afd@ti.com
Signed-off-by: Andrew F. Davis <afd@ti.com>
Acked-by: Evgeniy Polyakov <zbr@ioremap.net>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
hifive-unleashed-5.1
Andrew F. Davis 2016-08-02 14:07:09 -07:00 committed by Linus Torvalds
parent 098f9fb0c9
commit 939fc83229
11 changed files with 22 additions and 131 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
drivers/w1/slaves/w1_ds2406.c
View File

@ -153,16 +153,4 @@ static struct w1_family w1_family_12 = {
.fid = W1_FAMILY_DS2406,
.fops = &w1_f12_fops,
};
static int __init w1_f12_init(void)
{
return w1_register_family(&w1_family_12);
}
static void __exit w1_f12_exit(void)
{
w1_unregister_family(&w1_family_12);
}
module_init(w1_f12_init);
module_exit(w1_f12_exit);
module_w1_family(w1_family_12);

14
drivers/w1/slaves/w1_ds2408.c
View File

@ -351,16 +351,4 @@ static struct w1_family w1_family_29 = {
.fid = W1_FAMILY_DS2408,
.fops = &w1_f29_fops,
};
static int __init w1_f29_init(void)
{
return w1_register_family(&w1_family_29);
}
static void __exit w1_f29_exit(void)
{
w1_unregister_family(&w1_family_29);
}
module_init(w1_f29_init);
module_exit(w1_f29_exit);
module_w1_family(w1_family_29);

14
drivers/w1/slaves/w1_ds2413.c
View File

@ -135,16 +135,4 @@ static struct w1_family w1_family_3a = {
.fid = W1_FAMILY_DS2413,
.fops = &w1_f3a_fops,
};
static int __init w1_f3a_init(void)
{
return w1_register_family(&w1_family_3a);
}
static void __exit w1_f3a_exit(void)
{
w1_unregister_family(&w1_family_3a);
}
module_init(w1_f3a_init);
module_exit(w1_f3a_exit);
module_w1_family(w1_family_3a);

14
drivers/w1/slaves/w1_ds2423.c
View File

@ -138,19 +138,7 @@ static struct w1_family w1_family_1d = {
.fid = W1_COUNTER_DS2423,
.fops = &w1_f1d_fops,
};
static int __init w1_f1d_init(void)
{
return w1_register_family(&w1_family_1d);
}
static void __exit w1_f1d_exit(void)
{
w1_unregister_family(&w1_family_1d);
}
module_init(w1_f1d_init);
module_exit(w1_f1d_exit);
module_w1_family(w1_family_1d);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Mika Laitio <lamikr@pilppa.org>");

14
drivers/w1/slaves/w1_ds2431.c
View File

@ -288,19 +288,7 @@ static struct w1_family w1_family_2d = {
.fid = W1_EEPROM_DS2431,
.fops = &w1_f2d_fops,
};
static int __init w1_f2d_init(void)
{
return w1_register_family(&w1_family_2d);
}
static void __exit w1_f2d_fini(void)
{
w1_unregister_family(&w1_family_2d);
}
module_init(w1_f2d_init);
module_exit(w1_f2d_fini);
module_w1_family(w1_family_2d);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Bernhard Weirich <bernhard.weirich@riedel.net>");

14
drivers/w1/slaves/w1_ds2433.c
View File

@ -305,16 +305,4 @@ static struct w1_family w1_family_23 = {
.fid = W1_EEPROM_DS2433,
.fops = &w1_f23_fops,
};
static int __init w1_f23_init(void)
{
return w1_register_family(&w1_family_23);
}
static void __exit w1_f23_fini(void)
{
w1_unregister_family(&w1_family_23);
}
module_init(w1_f23_init);
module_exit(w1_f23_fini);
module_w1_family(w1_family_23);

15
drivers/w1/slaves/w1_ds2760.c
View File

@ -162,26 +162,13 @@ static struct w1_family w1_ds2760_family = {
.fid = W1_FAMILY_DS2760,
.fops = &w1_ds2760_fops,
};
static int __init w1_ds2760_init(void)
{
pr_info("1-Wire driver for the DS2760 battery monitor chip - (c) 2004-2005, Szabolcs Gyurko\n");
return w1_register_family(&w1_ds2760_family);
}
static void __exit w1_ds2760_exit(void)
{
w1_unregister_family(&w1_ds2760_family);
}
module_w1_family(w1_ds2760_family);
EXPORT_SYMBOL(w1_ds2760_read);
EXPORT_SYMBOL(w1_ds2760_write);
EXPORT_SYMBOL(w1_ds2760_store_eeprom);
EXPORT_SYMBOL(w1_ds2760_recall_eeprom);
module_init(w1_ds2760_init);
module_exit(w1_ds2760_exit);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Szabolcs Gyurko <szabolcs.gyurko@tlt.hu>");
MODULE_DESCRIPTION("1-wire Driver Dallas 2760 battery monitor chip");

14
drivers/w1/slaves/w1_ds2780.c
View File

@ -154,19 +154,7 @@ static struct w1_family w1_ds2780_family = {
.fid = W1_FAMILY_DS2780,
.fops = &w1_ds2780_fops,
};
static int __init w1_ds2780_init(void)
{
return w1_register_family(&w1_ds2780_family);
}
static void __exit w1_ds2780_exit(void)
{
w1_unregister_family(&w1_ds2780_family);
}
module_init(w1_ds2780_init);
module_exit(w1_ds2780_exit);
module_w1_family(w1_ds2780_family);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Clifton Barnes <cabarnes@indesign-llc.com>");

14
drivers/w1/slaves/w1_ds2781.c
View File

@ -151,19 +151,7 @@ static struct w1_family w1_ds2781_family = {
.fid = W1_FAMILY_DS2781,
.fops = &w1_ds2781_fops,
};
static int __init w1_ds2781_init(void)
{
return w1_register_family(&w1_ds2781_family);
}
static void __exit w1_ds2781_exit(void)
{
w1_unregister_family(&w1_ds2781_family);
}
module_init(w1_ds2781_init);
module_exit(w1_ds2781_exit);
module_w1_family(w1_ds2781_family);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Renata Sayakhova <renata@oktetlabs.ru>");

14
drivers/w1/slaves/w1_ds28e04.c
View File

@ -427,16 +427,4 @@ static struct w1_family w1_family_1C = {
.fid = W1_FAMILY_DS28E04,
.fops = &w1_f1C_fops,
};
static int __init w1_f1C_init(void)
{
return w1_register_family(&w1_family_1C);
}
static void __exit w1_f1C_fini(void)
{
w1_unregister_family(&w1_family_1C);
}
module_init(w1_f1C_init);
module_exit(w1_f1C_fini);
module_w1_family(w1_family_1C);

12
drivers/w1/w1_family.h
View File

@ -88,4 +88,16 @@ struct w1_family * w1_family_registered(u8);
void w1_unregister_family(struct w1_family *);
int w1_register_family(struct w1_family *);
/**
* module_w1_driver() - Helper macro for registering a 1-Wire families
* @__w1_family: w1_family struct
*
* Helper macro for 1-Wire families which do not do anything special in module
* init/exit. This eliminates a lot of boilerplate. Each module may only
* use this macro once, and calling it replaces module_init() and module_exit()
*/
#define module_w1_family(__w1_family) \
module_driver(__w1_family, w1_register_family, \
w1_unregister_family)
#endif /* __W1_FAMILY_H */