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-rw-r--r--drivers/w1/masters/w1-gpio.c6
-rw-r--r--drivers/w1/slaves/w1_ds2408.c31
-rw-r--r--drivers/w1/slaves/w1_ds2413.c1
-rw-r--r--drivers/w1/slaves/w1_ds2423.c1
-rw-r--r--drivers/w1/slaves/w1_ds2431.c1
-rw-r--r--drivers/w1/slaves/w1_ds2433.c1
-rw-r--r--drivers/w1/slaves/w1_ds2760.c1
-rw-r--r--drivers/w1/slaves/w1_ds2780.c1
-rw-r--r--drivers/w1/slaves/w1_ds2781.c1
-rw-r--r--drivers/w1/slaves/w1_ds28e04.c1
-rw-r--r--drivers/w1/slaves/w1_smem.c2
-rw-r--r--drivers/w1/slaves/w1_therm.c5
-rw-r--r--drivers/w1/w1.c2
13 files changed, 48 insertions, 6 deletions
diff --git a/drivers/w1/masters/w1-gpio.c b/drivers/w1/masters/w1-gpio.c
index 46d97014342e..f54ece268c98 100644
--- a/drivers/w1/masters/w1-gpio.c
+++ b/drivers/w1/masters/w1-gpio.c
@@ -16,7 +16,6 @@
#include <linux/gpio.h>
#include <linux/of_platform.h>
#include <linux/of_gpio.h>
-#include <linux/pinctrl/consumer.h>
#include <linux/err.h>
#include <linux/of.h>
@@ -78,13 +77,8 @@ static int w1_gpio_probe(struct platform_device *pdev)
{
struct w1_bus_master *master;
struct w1_gpio_platform_data *pdata;
- struct pinctrl *pinctrl;
int err;
- pinctrl = devm_pinctrl_get_select_default(&pdev->dev);
- if (IS_ERR(pinctrl))
- dev_warn(&pdev->dev, "unable to select pin group\n");
-
if (of_have_populated_dt()) {
err = w1_gpio_probe_dt(pdev);
if (err < 0) {
diff --git a/drivers/w1/slaves/w1_ds2408.c b/drivers/w1/slaves/w1_ds2408.c
index e45eca1044bd..cb8a8e5d9573 100644
--- a/drivers/w1/slaves/w1_ds2408.c
+++ b/drivers/w1/slaves/w1_ds2408.c
@@ -22,6 +22,7 @@
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Jean-Francois Dagenais <dagenaisj@sonatest.com>");
MODULE_DESCRIPTION("w1 family 29 driver for DS2408 8 Pin IO");
+MODULE_ALIAS("w1-family-" __stringify(W1_FAMILY_DS2408));
#define W1_F29_RETRIES 3
@@ -301,7 +302,33 @@ error:
return -EIO;
}
+/*
+ * This is a special sequence we must do to ensure the P0 output is not stuck
+ * in test mode. This is described in rev 2 of the ds2408's datasheet
+ * (http://datasheets.maximintegrated.com/en/ds/DS2408.pdf) under
+ * "APPLICATION INFORMATION/Power-up timing".
+ */
+static int w1_f29_disable_test_mode(struct w1_slave *sl)
+{
+ int res;
+ u8 magic[10] = {0x96, };
+ u64 rn = le64_to_cpu(*((u64*)&sl->reg_num));
+
+ memcpy(&magic[1], &rn, 8);
+ magic[9] = 0x3C;
+
+ mutex_lock(&sl->master->bus_mutex);
+ res = w1_reset_bus(sl->master);
+ if (res)
+ goto out;
+ w1_write_block(sl->master, magic, ARRAY_SIZE(magic));
+
+ res = w1_reset_bus(sl->master);
+out:
+ mutex_unlock(&sl->master->bus_mutex);
+ return res;
+}
static struct bin_attribute w1_f29_sysfs_bin_files[] = {
{
@@ -362,6 +389,10 @@ static int w1_f29_add_slave(struct w1_slave *sl)
int err = 0;
int i;
+ err = w1_f29_disable_test_mode(sl);
+ if (err)
+ return err;
+
for (i = 0; i < ARRAY_SIZE(w1_f29_sysfs_bin_files) && !err; ++i)
err = sysfs_create_bin_file(
&sl->dev.kobj,
diff --git a/drivers/w1/slaves/w1_ds2413.c b/drivers/w1/slaves/w1_ds2413.c
index 829786252c6b..85937773a96a 100644
--- a/drivers/w1/slaves/w1_ds2413.c
+++ b/drivers/w1/slaves/w1_ds2413.c
@@ -23,6 +23,7 @@
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Mariusz Bialonczyk <manio@skyboo.net>");
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
diff --git a/drivers/w1/slaves/w1_ds2423.c b/drivers/w1/slaves/w1_ds2423.c
index 40a10b5ed120..7f86aec74088 100644
--- a/drivers/w1/slaves/w1_ds2423.c
+++ b/drivers/w1/slaves/w1_ds2423.c
@@ -164,3 +164,4 @@ module_exit(w1_f1d_exit);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Mika Laitio <lamikr@pilppa.org>");
MODULE_DESCRIPTION("w1 family 1d driver for DS2423, 4 counters and 4kb ram");
+MODULE_ALIAS("w1-family-" __stringify(W1_COUNTER_DS2423));
diff --git a/drivers/w1/slaves/w1_ds2431.c b/drivers/w1/slaves/w1_ds2431.c
index 984b30331a45..cef8605e43ec 100644
--- a/drivers/w1/slaves/w1_ds2431.c
+++ b/drivers/w1/slaves/w1_ds2431.c
@@ -310,3 +310,4 @@ module_exit(w1_f2d_fini);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Bernhard Weirich <bernhard.weirich@riedel.net>");
MODULE_DESCRIPTION("w1 family 2d driver for DS2431, 1kb EEPROM");
+MODULE_ALIAS("w1-family-" __stringify(W1_EEPROM_DS2431));
diff --git a/drivers/w1/slaves/w1_ds2433.c b/drivers/w1/slaves/w1_ds2433.c
index 85f2cdb27fa2..10cc1b6176e6 100644
--- a/drivers/w1/slaves/w1_ds2433.c
+++ b/drivers/w1/slaves/w1_ds2433.c
@@ -29,6 +29,7 @@
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Ben Gardner <bgardner@wabtec.com>");
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
diff --git a/drivers/w1/slaves/w1_ds2760.c b/drivers/w1/slaves/w1_ds2760.c
index e86a69dc411e..93719d25d849 100644
--- a/drivers/w1/slaves/w1_ds2760.c
+++ b/drivers/w1/slaves/w1_ds2760.c
@@ -203,3 +203,4 @@ 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");
+MODULE_ALIAS("w1-family-" __stringify(W1_FAMILY_DS2760));
diff --git a/drivers/w1/slaves/w1_ds2780.c b/drivers/w1/slaves/w1_ds2780.c
index 98ed9c49cf50..0cd7a27b5d6b 100644
--- a/drivers/w1/slaves/w1_ds2780.c
+++ b/drivers/w1/slaves/w1_ds2780.c
@@ -188,3 +188,4 @@ module_exit(w1_ds2780_exit);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Clifton Barnes <cabarnes@indesign-llc.com>");
MODULE_DESCRIPTION("1-wire Driver for Maxim/Dallas DS2780 Stand-Alone Fuel Gauge IC");
+MODULE_ALIAS("w1-family-" __stringify(W1_FAMILY_DS2780));
diff --git a/drivers/w1/slaves/w1_ds2781.c b/drivers/w1/slaves/w1_ds2781.c
index 5140d7be67ab..1aba8e41ad46 100644
--- a/drivers/w1/slaves/w1_ds2781.c
+++ b/drivers/w1/slaves/w1_ds2781.c
@@ -186,3 +186,4 @@ module_exit(w1_ds2781_exit);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Renata Sayakhova <renata@oktetlabs.ru>");
MODULE_DESCRIPTION("1-wire Driver for Maxim/Dallas DS2781 Stand-Alone Fuel Gauge IC");
+MODULE_ALIAS("w1-family-" __stringify(W1_FAMILY_DS2781));
diff --git a/drivers/w1/slaves/w1_ds28e04.c b/drivers/w1/slaves/w1_ds28e04.c
index 98117db595bb..cd30a6d95ea5 100644
--- a/drivers/w1/slaves/w1_ds28e04.c
+++ b/drivers/w1/slaves/w1_ds28e04.c
@@ -27,6 +27,7 @@
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Markus Franke <franke.m@sebakmt.com>, <franm@hrz.tu-chemnitz.de>");
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
diff --git a/drivers/w1/slaves/w1_smem.c b/drivers/w1/slaves/w1_smem.c
index 84655625c870..ed4c87506def 100644
--- a/drivers/w1/slaves/w1_smem.c
+++ b/drivers/w1/slaves/w1_smem.c
@@ -34,6 +34,8 @@
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Evgeniy Polyakov <zbr@ioremap.net>");
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,
diff --git a/drivers/w1/slaves/w1_therm.c b/drivers/w1/slaves/w1_therm.c
index c1a702f8c803..8978360bd387 100644
--- a/drivers/w1/slaves/w1_therm.c
+++ b/drivers/w1/slaves/w1_therm.c
@@ -36,6 +36,11 @@
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Evgeniy Polyakov <zbr@ioremap.net>");
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
diff --git a/drivers/w1/w1.c b/drivers/w1/w1.c
index 7ce277d2bb67..0459df843c58 100644
--- a/drivers/w1/w1.c
+++ b/drivers/w1/w1.c
@@ -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) {
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