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w1: add family based automatic module loading

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This patch allows the 1-wire bus to autoload the corresponding module
for each slave being attached.
This works similar to bluetooth protocols.

Signed-off-by: Alexander Stein <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
This commit is contained in:
Alexander Stein 2013-05-26 20:06:50 +02:00 • committed by Greg Kroah-Hartman
commit 8d7bda5188
13 changed files with 20 additions and 2 deletions
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1
drivers/w1/slaves/w1_ds2408.c
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@ -22,6 +22,7 @@
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Jean-Francois Dagenais <[email protected]>");
MODULE_DESCRIPTION("w1 family 29 driver for DS2408 8 Pin IO");
MODULE_ALIAS("w1-family-" __stringify(W1_FAMILY_DS2408));
#define W1_F29_RETRIES 3

1
drivers/w1/slaves/w1_ds2413.c
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@ -23,6 +23,7 @@
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Mariusz Bialonczyk <[email protected]>");
MODULE_DESCRIPTION("w1 family 3a driver for DS2413 2 Pin IO");
MODULE_ALIAS("w1-family-" __stringify(W1_FAMILY_DS2413));
#define W1_F3A_RETRIES 3
#define W1_F3A_FUNC_PIO_ACCESS_READ 0xF5

1
drivers/w1/slaves/w1_ds2423.c
View file

@ -164,3 +164,4 @@ module_exit(w1_f1d_exit);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Mika Laitio <[email protected]>");
MODULE_DESCRIPTION("w1 family 1d driver for DS2423, 4 counters and 4kb ram");
MODULE_ALIAS("w1-family-" __stringify(W1_COUNTER_DS2423));

1
drivers/w1/slaves/w1_ds2431.c
View file

@ -310,3 +310,4 @@ module_exit(w1_f2d_fini);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Bernhard Weirich <[email protected]>");
MODULE_DESCRIPTION("w1 family 2d driver for DS2431, 1kb EEPROM");
MODULE_ALIAS("w1-family-" __stringify(W1_EEPROM_DS2431));

1
drivers/w1/slaves/w1_ds2433.c
View file

@ -29,6 +29,7 @@
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Ben Gardner <[email protected]>");
MODULE_DESCRIPTION("w1 family 23 driver for DS2433, 4kb EEPROM");
MODULE_ALIAS("w1-family-" __stringify(W1_EEPROM_DS2433));
#define W1_EEPROM_SIZE 512
#define W1_PAGE_COUNT 16

1
drivers/w1/slaves/w1_ds2760.c
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@ -203,3 +203,4 @@ module_exit(w1_ds2760_exit);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Szabolcs Gyurko <[email protected]>");
MODULE_DESCRIPTION("1-wire Driver Dallas 2760 battery monitor chip");
MODULE_ALIAS("w1-family-" __stringify(W1_FAMILY_DS2760));

1
drivers/w1/slaves/w1_ds2780.c
View file

@ -188,3 +188,4 @@ module_exit(w1_ds2780_exit);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Clifton Barnes <[email protected]>");
MODULE_DESCRIPTION("1-wire Driver for Maxim/Dallas DS2780 Stand-Alone Fuel Gauge IC");
MODULE_ALIAS("w1-family-" __stringify(W1_FAMILY_DS2780));

1
drivers/w1/slaves/w1_ds2781.c
View file

@ -186,3 +186,4 @@ module_exit(w1_ds2781_exit);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Renata Sayakhova <[email protected]>");
MODULE_DESCRIPTION("1-wire Driver for Maxim/Dallas DS2781 Stand-Alone Fuel Gauge IC");
MODULE_ALIAS("w1-family-" __stringify(W1_FAMILY_DS2781));

1
drivers/w1/slaves/w1_ds28e04.c
View file

@ -27,6 +27,7 @@
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Markus Franke <[email protected]>, <[email protected]>");
MODULE_DESCRIPTION("w1 family 1C driver for DS28E04, 4kb EEPROM and PIO");
MODULE_ALIAS("w1-family-" __stringify(W1_FAMILY_DS28E04));
/* Allow the strong pullup to be disabled, but default to enabled.
* If it was disabled a parasite powered device might not get the required

2
drivers/w1/slaves/w1_smem.c
View file

@ -34,6 +34,8 @@
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Evgeniy Polyakov <[email protected]>");
MODULE_DESCRIPTION("Driver for 1-wire Dallas network protocol, 64bit memory family.");
MODULE_ALIAS("w1-family-" __stringify(W1_FAMILY_SMEM_01));
MODULE_ALIAS("w1-family-" __stringify(W1_FAMILY_SMEM_81));
static struct w1_family w1_smem_family_01 = {
.fid = W1_FAMILY_SMEM_01,

5
drivers/w1/slaves/w1_therm.c
View file

@ -36,6 +36,11 @@
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Evgeniy Polyakov <[email protected]>");
MODULE_DESCRIPTION("Driver for 1-wire Dallas network protocol, temperature family.");
MODULE_ALIAS("w1-family-" __stringify(W1_THERM_DS18S20));
MODULE_ALIAS("w1-family-" __stringify(W1_THERM_DS1822));
MODULE_ALIAS("w1-family-" __stringify(W1_THERM_DS18B20));
MODULE_ALIAS("w1-family-" __stringify(W1_THERM_DS1825));
MODULE_ALIAS("w1-family-" __stringify(W1_THERM_DS28EA00));
/* Allow the strong pullup to be disabled, but default to enabled.
* If it was disabled a parasite powered device might not get the require

2
drivers/w1/w1.c
View file

@ -680,6 +680,8 @@ static int w1_attach_slave_device(struct w1_master *dev, struct w1_reg_num *rn)
atomic_set(&sl->refcnt, 0);
init_completion(&sl->released);
request_module("w1-family-0x%0x", rn->family);
spin_lock(&w1_flock);
f = w1_family_registered(rn->family);
if (!f) {