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-rw-r--r--drivers/w1/Kconfig12
-rw-r--r--drivers/w1/masters/Kconfig7
-rw-r--r--drivers/w1/masters/ds1wm.c2
-rw-r--r--drivers/w1/masters/matrox_w1.c3
-rw-r--r--drivers/w1/slaves/Kconfig17
-rw-r--r--drivers/w1/slaves/Makefile2
-rw-r--r--drivers/w1/slaves/w1_ds2433.c14
-rw-r--r--drivers/w1/slaves/w1_therm.c8
-rw-r--r--drivers/w1/w1.c19
-rw-r--r--drivers/w1/w1_family.h1
-rw-r--r--drivers/w1/w1_int.c13
11 files changed, 57 insertions, 41 deletions
diff --git a/drivers/w1/Kconfig b/drivers/w1/Kconfig
index ca75b3ad3a2e..6854fd6b9714 100644
--- a/drivers/w1/Kconfig
+++ b/drivers/w1/Kconfig
@@ -1,8 +1,6 @@
-menu "Dallas's 1-wire bus"
- depends on HAS_IOMEM
-
-config W1
+menuconfig W1
tristate "Dallas's 1-wire support"
+ depends on HAS_IOMEM
---help---
Dallas' 1-wire bus is useful to connect slow 1-pin devices
such as iButtons and thermal sensors.
@@ -12,8 +10,10 @@ config W1
This W1 support can also be built as a module. If so, the module
will be called wire.ko.
+if W1
+
config W1_CON
- depends on CONNECTOR && W1
+ depends on CONNECTOR
bool "Userspace communication over connector"
default y
--- help ---
@@ -27,4 +27,4 @@ config W1_CON
source drivers/w1/masters/Kconfig
source drivers/w1/slaves/Kconfig
-endmenu
+endif # W1
diff --git a/drivers/w1/masters/Kconfig b/drivers/w1/masters/Kconfig
index 155650a310d1..9cc7a6b71530 100644
--- a/drivers/w1/masters/Kconfig
+++ b/drivers/w1/masters/Kconfig
@@ -3,11 +3,10 @@
#
menu "1-wire Bus Masters"
- depends on W1
config W1_MASTER_MATROX
tristate "Matrox G400 transport layer for 1-wire"
- depends on W1 && PCI
+ depends on PCI
help
Say Y here if you want to communicate with your 1-wire devices
using Matrox's G400 GPIO pins.
@@ -17,7 +16,7 @@ config W1_MASTER_MATROX
config W1_MASTER_DS2490
tristate "DS2490 USB <-> W1 transport layer for 1-wire"
- depends on W1 && USB
+ depends on USB
help
Say Y here if you want to have a driver for DS2490 based USB <-> W1 bridges,
for example DS9490*.
@@ -27,7 +26,7 @@ config W1_MASTER_DS2490
config W1_MASTER_DS2482
tristate "Maxim DS2482 I2C to 1-Wire bridge"
- depends on I2C && W1 && EXPERIMENTAL
+ depends on I2C && EXPERIMENTAL
help
If you say yes here you get support for the Maxim DS2482
I2C to 1-Wire bridge.
diff --git a/drivers/w1/masters/ds1wm.c b/drivers/w1/masters/ds1wm.c
index 763bc73e5070..4b696641ce33 100644
--- a/drivers/w1/masters/ds1wm.c
+++ b/drivers/w1/masters/ds1wm.c
@@ -85,7 +85,7 @@ static struct {
};
struct ds1wm_data {
- void *map;
+ void __iomem *map;
int bus_shift; /* # of shifts to calc register offsets */
struct platform_device *pdev;
struct ds1wm_platform_data *pdata;
diff --git a/drivers/w1/masters/matrox_w1.c b/drivers/w1/masters/matrox_w1.c
index 6f9d880ab2e9..d356da5709fc 100644
--- a/drivers/w1/masters/matrox_w1.c
+++ b/drivers/w1/masters/matrox_w1.c
@@ -164,7 +164,7 @@ static int __devinit matrox_w1_probe(struct pci_dev *pdev, const struct pci_devi
if (pdev->vendor != PCI_VENDOR_ID_MATROX || pdev->device != PCI_DEVICE_ID_MATROX_G400)
return -ENODEV;
- dev = kmalloc(sizeof(struct matrox_device) +
+ dev = kzalloc(sizeof(struct matrox_device) +
sizeof(struct w1_bus_master), GFP_KERNEL);
if (!dev) {
dev_err(&pdev->dev,
@@ -173,7 +173,6 @@ static int __devinit matrox_w1_probe(struct pci_dev *pdev, const struct pci_devi
return -ENOMEM;
}
- memset(dev, 0, sizeof(struct matrox_device) + sizeof(struct w1_bus_master));
dev->bus_master = (struct w1_bus_master *)(dev + 1);
diff --git a/drivers/w1/slaves/Kconfig b/drivers/w1/slaves/Kconfig
index dc08d3fbebd2..b474c333325c 100644
--- a/drivers/w1/slaves/Kconfig
+++ b/drivers/w1/slaves/Kconfig
@@ -3,18 +3,15 @@
#
menu "1-wire Slaves"
- depends on W1
config W1_SLAVE_THERM
tristate "Thermal family implementation"
- depends on W1
help
Say Y here if you want to connect 1-wire thermal sensors to your
wire.
config W1_SLAVE_SMEM
tristate "Simple 64bit memory family implementation"
- depends on W1
help
Say Y here if you want to connect 1-wire
simple 64bit memory rom(ds2401/ds2411/ds1990*) to your wire.
@@ -38,7 +35,6 @@ config W1_SLAVE_DS2751_CRC
config W1_SLAVE_DS2433
tristate "4kb EEPROM family support (DS2433)"
- depends on W1
help
Say Y here if you want to use a 1-wire
4kb EEPROM family device (DS2433).
@@ -52,4 +48,17 @@ config W1_SLAVE_DS2433_CRC
Each block has 30 bytes of data and a two byte CRC16.
Full block writes are only allowed if the CRC is valid.
+config W1_SLAVE_DS2760
+ tristate "Dallas 2760 battery monitor chip (HP iPAQ & others)"
+ depends on W1
+ help
+ If you enable this you will have the DS2760 battery monitor
+ chip support.
+
+ The battery monitor chip is used in many batteries/devices
+ as the one who is responsible for charging/discharging/monitoring
+ Li+ batteries.
+
+ If you are unsure, say N.
+
endmenu
diff --git a/drivers/w1/slaves/Makefile b/drivers/w1/slaves/Makefile
index 1879e0f68ad6..3316ddbbb18f 100644
--- a/drivers/w1/slaves/Makefile
+++ b/drivers/w1/slaves/Makefile
@@ -6,4 +6,4 @@ obj-$(CONFIG_W1_SLAVE_THERM) += w1_therm.o
obj-$(CONFIG_W1_SLAVE_SMEM) += w1_smem.o
obj-$(CONFIG_W1_SLAVE_DS2433) += w1_ds2433.o
obj-$(CONFIG_W1_SLAVE_DS2751) += w1_ds2751.o
-
+obj-$(CONFIG_W1_SLAVE_DS2760) += w1_ds2760.o
diff --git a/drivers/w1/slaves/w1_ds2433.c b/drivers/w1/slaves/w1_ds2433.c
index 8ea17a53eed8..858c16a544c2 100644
--- a/drivers/w1/slaves/w1_ds2433.c
+++ b/drivers/w1/slaves/w1_ds2433.c
@@ -91,8 +91,9 @@ static int w1_f23_refresh_block(struct w1_slave *sl, struct w1_f23_data *data,
}
#endif /* CONFIG_W1_SLAVE_DS2433_CRC */
-static ssize_t w1_f23_read_bin(struct kobject *kobj, char *buf, loff_t off,
- size_t count)
+static ssize_t w1_f23_read_bin(struct kobject *kobj,
+ struct bin_attribute *bin_attr,
+ char *buf, loff_t off, size_t count)
{
struct w1_slave *sl = kobj_to_w1_slave(kobj);
#ifdef CONFIG_W1_SLAVE_DS2433_CRC
@@ -199,8 +200,9 @@ static int w1_f23_write(struct w1_slave *sl, int addr, int len, const u8 *data)
return 0;
}
-static ssize_t w1_f23_write_bin(struct kobject *kobj, char *buf, loff_t off,
- size_t count)
+static ssize_t w1_f23_write_bin(struct kobject *kobj,
+ struct bin_attribute *bin_attr,
+ char *buf, loff_t off, size_t count)
{
struct w1_slave *sl = kobj_to_w1_slave(kobj);
int addr, len, idx;
@@ -252,7 +254,6 @@ static struct bin_attribute w1_f23_bin_attr = {
.attr = {
.name = "eeprom",
.mode = S_IRUGO | S_IWUSR,
- .owner = THIS_MODULE,
},
.size = W1_EEPROM_SIZE,
.read = w1_f23_read_bin,
@@ -265,10 +266,9 @@ static int w1_f23_add_slave(struct w1_slave *sl)
#ifdef CONFIG_W1_SLAVE_DS2433_CRC
struct w1_f23_data *data;
- data = kmalloc(sizeof(struct w1_f23_data), GFP_KERNEL);
+ data = kzalloc(sizeof(struct w1_f23_data), GFP_KERNEL);
if (!data)
return -ENOMEM;
- memset(data, 0, sizeof(struct w1_f23_data));
sl->family_data = data;
#endif /* CONFIG_W1_SLAVE_DS2433_CRC */
diff --git a/drivers/w1/slaves/w1_therm.c b/drivers/w1/slaves/w1_therm.c
index 1a6937dc190b..4318935678c5 100644
--- a/drivers/w1/slaves/w1_therm.c
+++ b/drivers/w1/slaves/w1_therm.c
@@ -42,13 +42,13 @@ static u8 bad_roms[][9] = {
{}
};
-static ssize_t w1_therm_read_bin(struct kobject *, char *, loff_t, size_t);
+static ssize_t w1_therm_read_bin(struct kobject *, struct bin_attribute *,
+ char *, loff_t, size_t);
static struct bin_attribute w1_therm_bin_attr = {
.attr = {
.name = "w1_slave",
.mode = S_IRUGO,
- .owner = THIS_MODULE,
},
.size = W1_SLAVE_DATA_SIZE,
.read = w1_therm_read_bin,
@@ -159,7 +159,9 @@ static int w1_therm_check_rom(u8 rom[9])
return 0;
}
-static ssize_t w1_therm_read_bin(struct kobject *kobj, char *buf, loff_t off, size_t count)
+static ssize_t w1_therm_read_bin(struct kobject *kobj,
+ struct bin_attribute *bin_attr,
+ char *buf, loff_t off, size_t count)
{
struct w1_slave *sl = kobj_to_w1_slave(kobj);
struct w1_master *dev = sl->master;
diff --git a/drivers/w1/w1.c b/drivers/w1/w1.c
index 7d6876dbcc96..a593f900eff4 100644
--- a/drivers/w1/w1.c
+++ b/drivers/w1/w1.c
@@ -105,7 +105,9 @@ static ssize_t w1_slave_read_name(struct device *dev, struct device_attribute *a
return sprintf(buf, "%s\n", sl->name);
}
-static ssize_t w1_slave_read_id(struct kobject *kobj, char *buf, loff_t off, size_t count)
+static ssize_t w1_slave_read_id(struct kobject *kobj,
+ struct bin_attribute *bin_attr,
+ char *buf, loff_t off, size_t count)
{
struct w1_slave *sl = kobj_to_w1_slave(kobj);
@@ -128,7 +130,6 @@ static struct bin_attribute w1_slave_attr_bin_id = {
.attr = {
.name = "id",
.mode = S_IRUGO,
- .owner = THIS_MODULE,
},
.size = 8,
.read = w1_slave_read_id,
@@ -136,7 +137,9 @@ static struct bin_attribute w1_slave_attr_bin_id = {
/* Default family */
-static ssize_t w1_default_write(struct kobject *kobj, char *buf, loff_t off, size_t count)
+static ssize_t w1_default_write(struct kobject *kobj,
+ struct bin_attribute *bin_attr,
+ char *buf, loff_t off, size_t count)
{
struct w1_slave *sl = kobj_to_w1_slave(kobj);
@@ -153,7 +156,9 @@ out_up:
return count;
}
-static ssize_t w1_default_read(struct kobject *kobj, char *buf, loff_t off, size_t count)
+static ssize_t w1_default_read(struct kobject *kobj,
+ struct bin_attribute *bin_attr,
+ char *buf, loff_t off, size_t count)
{
struct w1_slave *sl = kobj_to_w1_slave(kobj);
@@ -167,7 +172,6 @@ static struct bin_attribute w1_default_attr = {
.attr = {
.name = "rw",
.mode = S_IRUGO | S_IWUSR,
- .owner = THIS_MODULE,
},
.size = PAGE_SIZE,
.read = w1_default_read,
@@ -427,6 +431,7 @@ static int w1_uevent(struct device *dev, char **envp, int num_envp,
err = add_uevent_var(envp, num_envp, &cur_index, buffer, buffer_size,
&cur_len, "W1_SLAVE_ID=%024LX",
(unsigned long long)sl->reg_num.id);
+ envp[cur_index] = NULL;
if (err)
return err;
@@ -516,7 +521,7 @@ static int w1_attach_slave_device(struct w1_master *dev, struct w1_reg_num *rn)
int err;
struct w1_netlink_msg msg;
- sl = kmalloc(sizeof(struct w1_slave), GFP_KERNEL);
+ sl = kzalloc(sizeof(struct w1_slave), GFP_KERNEL);
if (!sl) {
dev_err(&dev->dev,
"%s: failed to allocate new slave device.\n",
@@ -524,7 +529,6 @@ static int w1_attach_slave_device(struct w1_master *dev, struct w1_reg_num *rn)
return -ENOMEM;
}
- memset(sl, 0, sizeof(*sl));
sl->owner = THIS_MODULE;
sl->master = dev;
@@ -801,6 +805,7 @@ static int w1_control(void *data)
struct w1_master *dev, *n;
int have_to_wait = 0;
+ set_freezable();
while (!kthread_should_stop() || have_to_wait) {
have_to_wait = 0;
diff --git a/drivers/w1/w1_family.h b/drivers/w1/w1_family.h
index 2aacdf232954..f77988ae5614 100644
--- a/drivers/w1/w1_family.h
+++ b/drivers/w1/w1_family.h
@@ -34,6 +34,7 @@
#define W1_EEPROM_DS2433 0x23
#define W1_EEPROM_DS2751 0x51
#define W1_THERM_DS18B20 0x28
+#define W1_FAMILY_DS2760 0x30
#define MAXNAMELEN 32
diff --git a/drivers/w1/w1_int.c b/drivers/w1/w1_int.c
index 258defdb2efd..6840dfebe4d4 100644
--- a/drivers/w1/w1_int.c
+++ b/drivers/w1/w1_int.c
@@ -41,7 +41,7 @@ static struct w1_master * w1_alloc_dev(u32 id, int slave_count, int slave_ttl,
/*
* We are in process context(kernel thread), so can sleep.
*/
- dev = kmalloc(sizeof(struct w1_master) + sizeof(struct w1_bus_master), GFP_KERNEL);
+ dev = kzalloc(sizeof(struct w1_master) + sizeof(struct w1_bus_master), GFP_KERNEL);
if (!dev) {
printk(KERN_ERR
"Failed to allocate %zd bytes for new w1 device.\n",
@@ -49,7 +49,6 @@ static struct w1_master * w1_alloc_dev(u32 id, int slave_count, int slave_ttl,
return NULL;
}
- memset(dev, 0, sizeof(struct w1_master) + sizeof(struct w1_bus_master));
dev->bus_master = (struct w1_bus_master *)(dev + 1);
@@ -171,22 +170,24 @@ void __w1_remove_master_device(struct w1_master *dev)
void w1_remove_master_device(struct w1_bus_master *bm)
{
- struct w1_master *dev = NULL;
+ struct w1_master *dev, *found = NULL;
list_for_each_entry(dev, &w1_masters, w1_master_entry) {
if (!dev->initialized)
continue;
- if (dev->bus_master->data == bm->data)
+ if (dev->bus_master->data == bm->data) {
+ found = dev;
break;
+ }
}
- if (!dev) {
+ if (!found) {
printk(KERN_ERR "Device doesn't exist.\n");
return;
}
- __w1_remove_master_device(dev);
+ __w1_remove_master_device(found);
}
EXPORT_SYMBOL(w1_add_master_device);
generated by cgit v1.2.3 (git 2.0.4) at 2025-05-07 17:28:28 +0000