more driver stuff from 3.2.72

17 files changed, 67 insertions, 119 deletions

diff --git a/drivers/w1/masters/ds2490.c b/drivers/w1/masters/ds2490.c
index 02bf7bf..b5abaae 100644
--- a/drivers/w1/masters/ds2490.c
+++ b/drivers/w1/masters/ds2490.c
@@ -1,7 +1,7 @@
 /*
  *	dscore.c
  *
- * Copyright (c) 2004 Evgeniy Polyakov <johnpol@2ka.mipt.ru>
+ * Copyright (c) 2004 Evgeniy Polyakov <zbr@ioremap.net>
  *
  *
  * This program is free software; you can redistribute it and/or modify
@@ -1024,5 +1024,5 @@ module_init(ds_init);
 module_exit(ds_fini);
 
 MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Evgeniy Polyakov <johnpol@2ka.mipt.ru>");
+MODULE_AUTHOR("Evgeniy Polyakov <zbr@ioremap.net>");
 MODULE_DESCRIPTION("DS2490 USB <-> W1 bus master driver (DS9490*)");
diff --git a/drivers/w1/masters/matrox_w1.c b/drivers/w1/masters/matrox_w1.c
index 1550431..f667c26 100644
--- a/drivers/w1/masters/matrox_w1.c
+++ b/drivers/w1/masters/matrox_w1.c
@@ -1,7 +1,7 @@
 /*
  *	matrox_w1.c
  *
- * Copyright (c) 2004 Evgeniy Polyakov <johnpol@2ka.mipt.ru>
+ * Copyright (c) 2004 Evgeniy Polyakov <zbr@ioremap.net>
  *
  *
  * This program is free software; you can redistribute it and/or modify
@@ -20,7 +20,7 @@
  */
 
 #include <asm/types.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 #include <asm/io.h>
 
 #include <linux/delay.h>
@@ -39,7 +39,7 @@
 #include "../w1_log.h"
 
 MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Evgeniy Polyakov <johnpol@2ka.mipt.ru>");
+MODULE_AUTHOR("Evgeniy Polyakov <zbr@ioremap.net>");
 MODULE_DESCRIPTION("Driver for transport(Dallas 1-wire prtocol) over VGA DDC(matrox gpio).");
 
 static struct pci_device_id matrox_w1_tbl[] = {
diff --git a/drivers/w1/slaves/w1_ds2408.c b/drivers/w1/slaves/w1_ds2408.c
index c377818..7c8cdb8 100644
--- a/drivers/w1/slaves/w1_ds2408.c
+++ b/drivers/w1/slaves/w1_ds2408.c
@@ -373,7 +373,7 @@ static int w1_f29_add_slave(struct w1_slave *sl)
 static void w1_f29_remove_slave(struct w1_slave *sl)
 {
 	int i;
-	for (i = NB_SYSFS_BIN_FILES; i <= 0; --i)
+	for (i = NB_SYSFS_BIN_FILES - 1; i >= 0; --i)
 		sysfs_remove_bin_file(&sl->dev.kobj,
 			&(w1_f29_sysfs_bin_files[i]));
 }
diff --git a/drivers/w1/slaves/w1_ds2760.c b/drivers/w1/slaves/w1_ds2760.c
index 483d451..5754c9a 100644
--- a/drivers/w1/slaves/w1_ds2760.c
+++ b/drivers/w1/slaves/w1_ds2760.c
@@ -114,43 +114,7 @@ static struct bin_attribute w1_ds2760_bin_attr = {
 	.read = w1_ds2760_read_bin,
 };
 
-static DEFINE_IDR(bat_idr);
-static DEFINE_MUTEX(bat_idr_lock);
-
-static int new_bat_id(void)
-{
-	int ret;
-
-	while (1) {
-		int id;
-
-		ret = idr_pre_get(&bat_idr, GFP_KERNEL);
-		if (ret == 0)
-			return -ENOMEM;
-
-		mutex_lock(&bat_idr_lock);
-		ret = idr_get_new(&bat_idr, NULL, &id);
-		mutex_unlock(&bat_idr_lock);
-
-		if (ret == 0) {
-			ret = id & MAX_ID_MASK;
-			break;
-		} else if (ret == -EAGAIN) {
-			continue;
-		} else {
-			break;
-		}
-	}
-
-	return ret;
-}
-
-static void release_bat_id(int id)
-{
-	mutex_lock(&bat_idr_lock);
-	idr_remove(&bat_idr, id);
-	mutex_unlock(&bat_idr_lock);
-}
+static DEFINE_IDA(bat_ida);
 
 static int w1_ds2760_add_slave(struct w1_slave *sl)
 {
@@ -158,7 +122,7 @@ static int w1_ds2760_add_slave(struct w1_slave *sl)
 	int id;
 	struct platform_device *pdev;
 
-	id = new_bat_id();
+	id = ida_simple_get(&bat_ida, 0, 0, GFP_KERNEL);
 	if (id < 0) {
 		ret = id;
 		goto noid;
@@ -187,7 +151,7 @@ bin_attr_failed:
 pdev_add_failed:
 	platform_device_unregister(pdev);
 pdev_alloc_failed:
-	release_bat_id(id);
+	ida_simple_remove(&bat_ida, id);
 noid:
 success:
 	return ret;
@@ -199,7 +163,7 @@ static void w1_ds2760_remove_slave(struct w1_slave *sl)
 	int id = pdev->id;
 
 	platform_device_unregister(pdev);
-	release_bat_id(id);
+	ida_simple_remove(&bat_ida, id);
 	sysfs_remove_bin_file(&sl->dev.kobj, &w1_ds2760_bin_attr);
 }
 
@@ -217,14 +181,14 @@ static int __init w1_ds2760_init(void)
 {
 	printk(KERN_INFO "1-Wire driver for the DS2760 battery monitor "
 	       " chip  - (c) 2004-2005, Szabolcs Gyurko\n");
-	idr_init(&bat_idr);
+	ida_init(&bat_ida);
 	return w1_register_family(&w1_ds2760_family);
 }
 
 static void __exit w1_ds2760_exit(void)
 {
 	w1_unregister_family(&w1_ds2760_family);
-	idr_destroy(&bat_idr);
+	ida_destroy(&bat_ida);
 }
 
 EXPORT_SYMBOL(w1_ds2760_read);
diff --git a/drivers/w1/slaves/w1_ds2780.c b/drivers/w1/slaves/w1_ds2780.c
index 505b17d..39f78c0 100644
--- a/drivers/w1/slaves/w1_ds2780.c
+++ b/drivers/w1/slaves/w1_ds2780.c
@@ -121,43 +121,7 @@ static struct bin_attribute w1_ds2780_bin_attr = {
 	.read = w1_ds2780_read_bin,
 };
 
-static DEFINE_IDR(bat_idr);
-static DEFINE_MUTEX(bat_idr_lock);
-
-static int new_bat_id(void)
-{
-	int ret;
-
-	while (1) {
-		int id;
-
-		ret = idr_pre_get(&bat_idr, GFP_KERNEL);
-		if (ret == 0)
-			return -ENOMEM;
-
-		mutex_lock(&bat_idr_lock);
-		ret = idr_get_new(&bat_idr, NULL, &id);
-		mutex_unlock(&bat_idr_lock);
-
-		if (ret == 0) {
-			ret = id & MAX_ID_MASK;
-			break;
-		} else if (ret == -EAGAIN) {
-			continue;
-		} else {
-			break;
-		}
-	}
-
-	return ret;
-}
-
-static void release_bat_id(int id)
-{
-	mutex_lock(&bat_idr_lock);
-	idr_remove(&bat_idr, id);
-	mutex_unlock(&bat_idr_lock);
-}
+static DEFINE_IDA(bat_ida);
 
 static int w1_ds2780_add_slave(struct w1_slave *sl)
 {
@@ -165,7 +129,7 @@ static int w1_ds2780_add_slave(struct w1_slave *sl)
 	int id;
 	struct platform_device *pdev;
 
-	id = new_bat_id();
+	id = ida_simple_get(&bat_ida, 0, 0, GFP_KERNEL);
 	if (id < 0) {
 		ret = id;
 		goto noid;
@@ -194,7 +158,7 @@ bin_attr_failed:
 pdev_add_failed:
 	platform_device_unregister(pdev);
 pdev_alloc_failed:
-	release_bat_id(id);
+	ida_simple_remove(&bat_ida, id);
 noid:
 	return ret;
 }
@@ -205,7 +169,7 @@ static void w1_ds2780_remove_slave(struct w1_slave *sl)
 	int id = pdev->id;
 
 	platform_device_unregister(pdev);
-	release_bat_id(id);
+	ida_simple_remove(&bat_ida, id);
 	sysfs_remove_bin_file(&sl->dev.kobj, &w1_ds2780_bin_attr);
 }
 
@@ -221,14 +185,14 @@ static struct w1_family w1_ds2780_family = {
 
 static int __init w1_ds2780_init(void)
 {
-	idr_init(&bat_idr);
+	ida_init(&bat_ida);
 	return w1_register_family(&w1_ds2780_family);
 }
 
 static void __exit w1_ds2780_exit(void)
 {
 	w1_unregister_family(&w1_ds2780_family);
-	idr_destroy(&bat_idr);
+	ida_destroy(&bat_ida);
 }
 
 module_init(w1_ds2780_init);
diff --git a/drivers/w1/slaves/w1_smem.c b/drivers/w1/slaves/w1_smem.c
index cc8c02e..8465562 100644
--- a/drivers/w1/slaves/w1_smem.c
+++ b/drivers/w1/slaves/w1_smem.c
@@ -1,7 +1,7 @@
 /*
  *	w1_smem.c
  *
- * Copyright (c) 2004 Evgeniy Polyakov <johnpol@2ka.mipt.ru>
+ * Copyright (c) 2004 Evgeniy Polyakov <zbr@ioremap.net>
  *
  *
  * This program is free software; you can redistribute it and/or modify
@@ -32,7 +32,7 @@
 #include "../w1_family.h"
 
 MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Evgeniy Polyakov <johnpol@2ka.mipt.ru>");
+MODULE_AUTHOR("Evgeniy Polyakov <zbr@ioremap.net>");
 MODULE_DESCRIPTION("Driver for 1-wire Dallas network protocol, 64bit memory family.");
 
 static struct w1_family w1_smem_family_01 = {
diff --git a/drivers/w1/slaves/w1_therm.c b/drivers/w1/slaves/w1_therm.c
index 17726a0..a1ef9b5 100644
--- a/drivers/w1/slaves/w1_therm.c
+++ b/drivers/w1/slaves/w1_therm.c
@@ -1,7 +1,7 @@
 /*
  *	w1_therm.c
  *
- * Copyright (c) 2004 Evgeniy Polyakov <johnpol@2ka.mipt.ru>
+ * Copyright (c) 2004 Evgeniy Polyakov <zbr@ioremap.net>
  *
  *
  * This program is free software; you can redistribute it and/or modify
@@ -34,7 +34,7 @@
 #include "../w1_family.h"
 
 MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Evgeniy Polyakov <johnpol@2ka.mipt.ru>");
+MODULE_AUTHOR("Evgeniy Polyakov <zbr@ioremap.net>");
 MODULE_DESCRIPTION("Driver for 1-wire Dallas network protocol, temperature family.");
 
 /* Allow the strong pullup to be disabled, but default to enabled.
@@ -86,6 +86,11 @@ static struct w1_family w1_therm_family_DS1822 = {
 	.fops = &w1_therm_fops,
 };
 
+static struct w1_family w1_therm_family_DS28EA00 = {
+	.fid = W1_THERM_DS28EA00,
+	.fops = &w1_therm_fops,
+};
+
 struct w1_therm_family_converter
 {
 	u8			broken;
@@ -111,6 +116,10 @@ static struct w1_therm_family_converter w1_therm_families[] = {
 		.f		= &w1_therm_family_DS18B20,
 		.convert 	= w1_DS18B20_convert_temp
 	},
+	{
+		.f		= &w1_therm_family_DS28EA00,
+		.convert	= w1_DS18B20_convert_temp
+	},
 };
 
 static inline int w1_DS18B20_convert_temp(u8 rom[9])
diff --git a/drivers/w1/w1.c b/drivers/w1/w1.c
index cbff966..5149d4e 100644
--- a/drivers/w1/w1.c
+++ b/drivers/w1/w1.c
@@ -1,7 +1,7 @@
 /*
  *	w1.c
  *
- * Copyright (c) 2004 Evgeniy Polyakov <johnpol@2ka.mipt.ru>
+ * Copyright (c) 2004 Evgeniy Polyakov <zbr@ioremap.net>
  *
  *
  * This program is free software; you can redistribute it and/or modify
@@ -33,7 +33,7 @@
 #include <linux/kthread.h>
 #include <linux/freezer.h>
 
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 
 #include "w1.h"
 #include "w1_log.h"
@@ -42,7 +42,7 @@
 #include "w1_netlink.h"
 
 MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Evgeniy Polyakov <johnpol@2ka.mipt.ru>");
+MODULE_AUTHOR("Evgeniy Polyakov <zbr@ioremap.net>");
 MODULE_DESCRIPTION("Driver for 1-wire Dallas network protocol.");
 
 static int w1_timeout = 10;
diff --git a/drivers/w1/w1.h b/drivers/w1/w1.h
index 1ce23fc..4d012ca 100644
--- a/drivers/w1/w1.h
+++ b/drivers/w1/w1.h
@@ -1,7 +1,7 @@
 /*
  *	w1.h
  *
- * Copyright (c) 2004 Evgeniy Polyakov <johnpol@2ka.mipt.ru>
+ * Copyright (c) 2004 Evgeniy Polyakov <zbr@ioremap.net>
  *
  *
  * This program is free software; you can redistribute it and/or modify
diff --git a/drivers/w1/w1_family.c b/drivers/w1/w1_family.c
index 4a09904..e930977 100644
--- a/drivers/w1/w1_family.c
+++ b/drivers/w1/w1_family.c
@@ -1,7 +1,7 @@
 /*
  *	w1_family.c
  *
- * Copyright (c) 2004 Evgeniy Polyakov <johnpol@2ka.mipt.ru>
+ * Copyright (c) 2004 Evgeniy Polyakov <zbr@ioremap.net>
  *
  *
  * This program is free software; you can redistribute it and/or modify
@@ -23,6 +23,7 @@
 #include <linux/list.h>
 #include <linux/sched.h>	/* schedule_timeout() */
 #include <linux/delay.h>
+#include <linux/export.h>
 
 #include "w1_family.h"
 #include "w1.h"
diff --git a/drivers/w1/w1_family.h b/drivers/w1/w1_family.h
index 97479ae..490cda2 100644
--- a/drivers/w1/w1_family.h
+++ b/drivers/w1/w1_family.h
@@ -1,7 +1,7 @@
 /*
  *	w1_family.h
  *
- * Copyright (c) 2004 Evgeniy Polyakov <johnpol@2ka.mipt.ru>
+ * Copyright (c) 2004 Evgeniy Polyakov <zbr@ioremap.net>
  *
  *
  * This program is free software; you can redistribute it and/or modify
@@ -24,7 +24,7 @@
 
 #include <linux/types.h>
 #include <linux/device.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 
 #define W1_FAMILY_DEFAULT	0
 #define W1_FAMILY_SMEM_01	0x01
@@ -38,6 +38,7 @@
 #define W1_EEPROM_DS2431	0x2D
 #define W1_FAMILY_DS2760	0x30
 #define W1_FAMILY_DS2780	0x32
+#define W1_THERM_DS28EA00	0x42
 
 #define MAXNAMELEN		32
 
diff --git a/drivers/w1/w1_int.c b/drivers/w1/w1_int.c
index b50be3f..6828835 100644
--- a/drivers/w1/w1_int.c
+++ b/drivers/w1/w1_int.c
@@ -1,7 +1,7 @@
 /*
  *	w1_int.c
  *
- * Copyright (c) 2004 Evgeniy Polyakov <johnpol@2ka.mipt.ru>
+ * Copyright (c) 2004 Evgeniy Polyakov <zbr@ioremap.net>
  *
  *
  * This program is free software; you can redistribute it and/or modify
@@ -24,6 +24,8 @@
 #include <linux/delay.h>
 #include <linux/kthread.h>
 #include <linux/slab.h>
+#include <linux/export.h>
+#include <linux/moduleparam.h>
 
 #include "w1.h"
 #include "w1_log.h"
@@ -78,6 +80,7 @@ static struct w1_master * w1_alloc_dev(u32 id, int slave_count, int slave_ttl,
 	memcpy(&dev->dev, device, sizeof(struct device));
 	dev_set_name(&dev->dev, "w1_bus_master%u", dev->id);
 	snprintf(dev->name, sizeof(dev->name), "w1_bus_master%u", dev->id);
+	dev->dev.init_name = dev->name;
 
 	dev->driver = driver;
 
diff --git a/drivers/w1/w1_int.h b/drivers/w1/w1_int.h
index 4274082..2ad7d44 100644
--- a/drivers/w1/w1_int.h
+++ b/drivers/w1/w1_int.h
@@ -1,7 +1,7 @@
 /*
  *	w1_int.h
  *
- * Copyright (c) 2004 Evgeniy Polyakov <johnpol@2ka.mipt.ru>
+ * Copyright (c) 2004 Evgeniy Polyakov <zbr@ioremap.net>
  *
  *
  * This program is free software; you can redistribute it and/or modify
diff --git a/drivers/w1/w1_io.c b/drivers/w1/w1_io.c
index 8e8b64c..3135b2c 100644
--- a/drivers/w1/w1_io.c
+++ b/drivers/w1/w1_io.c
@@ -1,7 +1,7 @@
 /*
  *	w1_io.c
  *
- * Copyright (c) 2004 Evgeniy Polyakov <johnpol@2ka.mipt.ru>
+ * Copyright (c) 2004 Evgeniy Polyakov <zbr@ioremap.net>
  *
  *
  * This program is free software; you can redistribute it and/or modify
@@ -158,13 +158,18 @@ EXPORT_SYMBOL_GPL(w1_write_8);
 static u8 w1_read_bit(struct w1_master *dev)
 {
 	int result;
+	unsigned long flags;
 
+	/* sample timing is critical here */
+	local_irq_save(flags);
 	dev->bus_master->write_bit(dev->bus_master->data, 0);
 	w1_delay(6);
 	dev->bus_master->write_bit(dev->bus_master->data, 1);
 	w1_delay(9);
 
 	result = dev->bus_master->read_bit(dev->bus_master->data);
+	local_irq_restore(flags);
+
 	w1_delay(55);
 
 	return result & 0x1;
diff --git a/drivers/w1/w1_log.h b/drivers/w1/w1_log.h
index e6ab7cf..9c7bd62 100644
--- a/drivers/w1/w1_log.h
+++ b/drivers/w1/w1_log.h
@@ -1,7 +1,7 @@
 /*
  *	w1_log.h
  *
- * Copyright (c) 2004 Evgeniy Polyakov <johnpol@2ka.mipt.ru>
+ * Copyright (c) 2004 Evgeniy Polyakov <zbr@ioremap.net>
  *
  *
  * This program is free software; you can redistribute it and/or modify
diff --git a/drivers/w1/w1_netlink.c b/drivers/w1/w1_netlink.c
index 55aabd9..73705af 100644
--- a/drivers/w1/w1_netlink.c
+++ b/drivers/w1/w1_netlink.c
@@ -1,7 +1,7 @@
 /*
  * w1_netlink.c
  *
- * Copyright (c) 2003 Evgeniy Polyakov <johnpol@2ka.mipt.ru>
+ * Copyright (c) 2003 Evgeniy Polyakov <zbr@ioremap.net>
  *
  *
  * This program is free software; you can redistribute it and/or modify
@@ -54,28 +54,29 @@ static void w1_send_slave(struct w1_master *dev, u64 rn)
 	struct w1_netlink_msg *hdr = (struct w1_netlink_msg *)(msg + 1);
 	struct w1_netlink_cmd *cmd = (struct w1_netlink_cmd *)(hdr + 1);
 	int avail;
+	u64 *data;
 
 	/* update kernel slave list */
 	w1_slave_found(dev, rn);
 
 	avail = dev->priv_size - cmd->len;
 
-	if (avail > 8) {
-		u64 *data = (void *)(cmd + 1) + cmd->len;
+	if (avail < 8) {
+		msg->ack++;
+		cn_netlink_send(msg, 0, GFP_KERNEL);
 
-		*data = rn;
-		cmd->len += 8;
-		hdr->len += 8;
-		msg->len += 8;
-		return;
+		msg->len = sizeof(struct w1_netlink_msg) +
+			sizeof(struct w1_netlink_cmd);
+		hdr->len = sizeof(struct w1_netlink_cmd);
+		cmd->len = 0;
 	}
 
-	msg->ack++;
-	cn_netlink_send(msg, 0, GFP_KERNEL);
+	data = (void *)(cmd + 1) + cmd->len;
 
-	msg->len = sizeof(struct w1_netlink_msg) + sizeof(struct w1_netlink_cmd);
-	hdr->len = sizeof(struct w1_netlink_cmd);
-	cmd->len = 0;
+	*data = rn;
+	cmd->len += 8;
+	hdr->len += 8;
+	msg->len += 8;
 }
 
 static int w1_process_search_command(struct w1_master *dev, struct cn_msg *msg,
diff --git a/drivers/w1/w1_netlink.h b/drivers/w1/w1_netlink.h
index 27e950f..b0922dc 100644
--- a/drivers/w1/w1_netlink.h
+++ b/drivers/w1/w1_netlink.h
@@ -1,7 +1,7 @@
 /*
  * w1_netlink.h
  *
- * Copyright (c) 2003 Evgeniy Polyakov <johnpol@2ka.mipt.ru>
+ * Copyright (c) 2003 Evgeniy Polyakov <zbr@ioremap.net>
  *
  *
  * This program is free software; you can redistribute it and/or modify