diff options
author | Ingo Molnar <mingo@elte.hu> | 2008-07-17 19:24:56 +0200 |
---|---|---|
committer | Ingo Molnar <mingo@elte.hu> | 2008-07-17 19:24:56 +0200 |
commit | c43c1be0f7e0ac3d2fe1d4a5b37041c4c4463af1 (patch) | |
tree | 618b5e8ac458258acc981e0aeeac6f232f14aaf8 | |
parent | e22146e610bb7aed63282148740ab1d1b91e1d90 (diff) | |
parent | a3cf859321486f69506326146ab3e2fd15c05c3f (diff) |
Merge branch 'linus' into x86/urgent
55 files changed, 2148 insertions, 2800 deletions
diff --git a/Documentation/i2c/chips/max6875 b/Documentation/i2c/chips/max6875 index a0cd8af2f408..10ca43cd1a72 100644 --- a/Documentation/i2c/chips/max6875 +++ b/Documentation/i2c/chips/max6875 @@ -49,7 +49,7 @@ $ modprobe max6875 force=0,0x50 The MAX6874/MAX6875 ignores address bit 0, so this driver attaches to multiple addresses. For example, for address 0x50, it also reserves 0x51. -The even-address instance is called 'max6875', the odd one is 'max6875 subclient'. +The even-address instance is called 'max6875', the odd one is 'dummy'. Programming the chip using i2c-dev diff --git a/Documentation/i2c/chips/pca9539 b/Documentation/i2c/chips/pca9539 index 1d81c530c4a5..6aff890088b1 100644 --- a/Documentation/i2c/chips/pca9539 +++ b/Documentation/i2c/chips/pca9539 @@ -7,7 +7,7 @@ drivers/gpio/pca9539.c instead. Supported chips: * Philips PCA9539 Prefix: 'pca9539' - Addresses scanned: 0x74 - 0x77 + Addresses scanned: none Datasheet: http://www.semiconductors.philips.com/acrobat/datasheets/PCA9539_2.pdf @@ -23,6 +23,14 @@ The input sense can also be inverted. The 16 lines are split between two bytes. +Detection +--------- + +The PCA9539 is difficult to detect and not commonly found in PC machines, +so you have to pass the I2C bus and address of the installed PCA9539 +devices explicitly to the driver at load time via the force=... parameter. + + Sysfs entries ------------- diff --git a/Documentation/i2c/chips/pcf8574 b/Documentation/i2c/chips/pcf8574 index 5c1ad1376b62..235815c075ff 100644 --- a/Documentation/i2c/chips/pcf8574 +++ b/Documentation/i2c/chips/pcf8574 @@ -4,13 +4,13 @@ Kernel driver pcf8574 Supported chips: * Philips PCF8574 Prefix: 'pcf8574' - Addresses scanned: I2C 0x20 - 0x27 + Addresses scanned: none Datasheet: Publicly available at the Philips Semiconductors website http://www.semiconductors.philips.com/pip/PCF8574P.html * Philips PCF8574A Prefix: 'pcf8574a' - Addresses scanned: I2C 0x38 - 0x3f + Addresses scanned: none Datasheet: Publicly available at the Philips Semiconductors website http://www.semiconductors.philips.com/pip/PCF8574P.html @@ -38,12 +38,10 @@ For more informations see the datasheet. Accessing PCF8574(A) via /sys interface ------------------------------------- -! Be careful ! The PCF8574(A) is plainly impossible to detect ! Stupid chip. -So every chip with address in the interval [20..27] and [38..3f] are -detected as PCF8574(A). If you have other chips in this address -range, the workaround is to load this module after the one -for your others chips. +So, you have to pass the I2C bus and address of the installed PCF857A +and PCF8574A devices explicitly to the driver at load time via the +force=... parameter. On detection (i.e. insmod, modprobe et al.), directories are being created for each detected PCF8574(A): diff --git a/Documentation/i2c/chips/pcf8575 b/Documentation/i2c/chips/pcf8575 index 25f5698a61cf..40b268eb276f 100644 --- a/Documentation/i2c/chips/pcf8575 +++ b/Documentation/i2c/chips/pcf8575 @@ -40,12 +40,9 @@ Detection --------- There is no method known to detect whether a chip on a given I2C address is -a PCF8575 or whether it is any other I2C device. So there are two alternatives -to let the driver find the installed PCF8575 devices: -- Load this driver after any other I2C driver for I2C devices with addresses - in the range 0x20 .. 0x27. -- Pass the I2C bus and address of the installed PCF8575 devices explicitly to - the driver at load time via the probe=... or force=... parameters. +a PCF8575 or whether it is any other I2C device, so you have to pass the I2C +bus and address of the installed PCF8575 devices explicitly to the driver at +load time via the force=... parameter. /sys interface -------------- @@ -508,6 +508,8 @@ else KBUILD_CFLAGS += -O2 endif +include $(srctree)/arch/$(SRCARCH)/Makefile + ifneq (CONFIG_FRAME_WARN,0) KBUILD_CFLAGS += $(call cc-option,-Wframe-larger-than=${CONFIG_FRAME_WARN}) endif @@ -516,8 +518,6 @@ endif # Arch Makefiles may override this setting KBUILD_CFLAGS += $(call cc-option, -fno-stack-protector) -include $(srctree)/arch/$(SRCARCH)/Makefile - ifdef CONFIG_FRAME_POINTER KBUILD_CFLAGS += -fno-omit-frame-pointer -fno-optimize-sibling-calls else diff --git a/arch/powerpc/platforms/82xx/ep8248e.c b/arch/powerpc/platforms/82xx/ep8248e.c index d5770fdf7f09..373e993a5ed5 100644 --- a/arch/powerpc/platforms/82xx/ep8248e.c +++ b/arch/powerpc/platforms/82xx/ep8248e.c @@ -59,6 +59,7 @@ static void __init ep8248e_pic_init(void) of_node_put(np); } +#ifdef CONFIG_FS_ENET_MDIO_FCC static void ep8248e_set_mdc(struct mdiobb_ctrl *ctrl, int level) { if (level) @@ -164,6 +165,7 @@ static struct of_platform_driver ep8248e_mdio_driver = { .probe = ep8248e_mdio_probe, .remove = ep8248e_mdio_remove, }; +#endif struct cpm_pin { int port, pin, flags; @@ -296,7 +298,9 @@ static __initdata struct of_device_id of_bus_ids[] = { static int __init declare_of_platform_devices(void) { of_platform_bus_probe(NULL, of_bus_ids, NULL); +#ifdef CONFIG_FS_ENET_MDIO_FCC of_register_platform_driver(&ep8248e_mdio_driver); +#endif return 0; } diff --git a/drivers/hwmon/ad7418.c b/drivers/hwmon/ad7418.c index 466b9ee92797..f97b5b356875 100644 --- a/drivers/hwmon/ad7418.c +++ b/drivers/hwmon/ad7418.c @@ -23,12 +23,9 @@ #include "lm75.h" -#define DRV_VERSION "0.3" +#define DRV_VERSION "0.4" -/* Addresses to scan */ -static const unsigned short normal_i2c[] = { 0x28, I2C_CLIENT_END }; -/* Insmod parameters */ -I2C_CLIENT_INSMOD_3(ad7416, ad7417, ad7418); +enum chips { ad7416, ad7417, ad7418 }; /* AD7418 registers */ #define AD7418_REG_TEMP_IN 0x00 @@ -46,7 +43,6 @@ static const u8 AD7418_REG_TEMP[] = { AD7418_REG_TEMP_IN, AD7418_REG_TEMP_OS }; struct ad7418_data { - struct i2c_client client; struct device *hwmon_dev; struct attribute_group attrs; enum chips type; @@ -58,16 +54,25 @@ struct ad7418_data { u16 in[4]; }; -static int ad7418_attach_adapter(struct i2c_adapter *adapter); -static int ad7418_detect(struct i2c_adapter *adapter, int address, int kind); -static int ad7418_detach_client(struct i2c_client *client); +static int ad7418_probe(struct i2c_client *client, + const struct i2c_device_id *id); +static int ad7418_remove(struct i2c_client *client); + +static const struct i2c_device_id ad7418_id[] = { + { "ad7416", ad7416 }, + { "ad7417", ad7417 }, + { "ad7418", ad7418 }, + { } +}; +MODULE_DEVICE_TABLE(i2c, ad7418_id); static struct i2c_driver ad7418_driver = { .driver = { .name = "ad7418", }, - .attach_adapter = ad7418_attach_adapter, - .detach_client = ad7418_detach_client, + .probe = ad7418_probe, + .remove = ad7418_remove, + .id_table = ad7418_id, }; /* All registers are word-sized, except for the configuration registers. @@ -192,13 +197,6 @@ static SENSOR_DEVICE_ATTR(in2_input, S_IRUGO, show_adc, NULL, 1); static SENSOR_DEVICE_ATTR(in3_input, S_IRUGO, show_adc, NULL, 2); static SENSOR_DEVICE_ATTR(in4_input, S_IRUGO, show_adc, NULL, 3); -static int ad7418_attach_adapter(struct i2c_adapter *adapter) -{ - if (!(adapter->class & I2C_CLASS_HWMON)) - return 0; - return i2c_probe(adapter, &addr_data, ad7418_detect); -} - static struct attribute *ad7416_attributes[] = { &sensor_dev_attr_temp1_max.dev_attr.attr, &sensor_dev_attr_temp1_max_hyst.dev_attr.attr, @@ -225,98 +223,46 @@ static struct attribute *ad7418_attributes[] = { NULL }; -static int ad7418_detect(struct i2c_adapter *adapter, int address, int kind) +static int ad7418_probe(struct i2c_client *client, + const struct i2c_device_id *id) { - struct i2c_client *client; + struct i2c_adapter *adapter = client->adapter; struct ad7418_data *data; - int err = 0; + int err; if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA | - I2C_FUNC_SMBUS_WORD_DATA)) + I2C_FUNC_SMBUS_WORD_DATA)) { + err = -EOPNOTSUPP; goto exit; + } if (!(data = kzalloc(sizeof(struct ad7418_data), GFP_KERNEL))) { err = -ENOMEM; goto exit; } - client = &data->client; - client->addr = address; - client->adapter = adapter; - client->driver = &ad7418_driver; - i2c_set_clientdata(client, data); mutex_init(&data->lock); - - /* AD7418 has a curious behaviour on registers 6 and 7. They - * both always read 0xC071 and are not documented on the datasheet. - * We use them to detect the chip. - */ - if (kind <= 0) { - int reg, reg6, reg7; - - /* the AD7416 lies within this address range, but I have - * no means to check. - */ - if (address >= 0x48 && address <= 0x4f) { - /* XXX add tests for AD7416 here */ - /* data->type = ad7416; */ - } - /* here we might have AD7417 or AD7418 */ - else if (address >= 0x28 && address <= 0x2f) { - reg6 = i2c_smbus_read_word_data(client, 0x06); - reg7 = i2c_smbus_read_word_data(client, 0x07); - - if (address == 0x28 && reg6 == 0xC071 && reg7 == 0xC071) - data->type = ad7418; - - /* XXX add tests for AD7417 here */ - - - /* both AD7417 and AD7418 have bits 0-5 of - * the CONF2 register at 0 - */ - reg = i2c_smbus_read_byte_data(client, - AD7418_REG_CONF2); - if (reg & 0x3F) - data->type = any_chip; /* detection failed */ - } - } else { - dev_dbg(&adapter->dev, "detection forced\n"); - } - - if (kind > 0) - data->type = kind; - else if (kind < 0 && data->type == any_chip) { - err = -ENODEV; - goto exit_free; - } + data->type = id->driver_data; switch (data->type) { - case any_chip: case ad7416: data->adc_max = 0; data->attrs.attrs = ad7416_attributes; - strlcpy(client->name, "ad7416", I2C_NAME_SIZE); break; case ad7417: data->adc_max = 4; data->attrs.attrs = ad7417_attributes; - strlcpy(client->name, "ad7417", I2C_NAME_SIZE); break; case ad7418: data->adc_max = 1; data->attrs.attrs = ad7418_attributes; - strlcpy(client->name, "ad7418", I2C_NAME_SIZE); break; } - if ((err = i2c_attach_client(client))) - goto exit_free; - dev_info(&client->dev, "%s chip found\n", client->name); /* Initialize the AD7418 chip */ @@ -324,7 +270,7 @@ static int ad7418_detect(struct i2c_adapter *adapter, int address, int kind) /* Register sysfs hooks */ if ((err = sysfs_create_group(&client->dev.kobj, &data->attrs))) - goto exit_detach; + goto exit_free; data->hwmon_dev = hwmon_device_register(&client->dev); if (IS_ERR(data->hwmon_dev)) { @@ -336,20 +282,17 @@ static int ad7418_detect(struct i2c_adapter *adapter, int address, int kind) exit_remove: sysfs_remove_group(&client->dev.kobj, &data->attrs); -exit_detach: - i2c_detach_client(client); exit_free: kfree(data); exit: return err; } -static int ad7418_detach_client(struct i2c_client *client) +static int ad7418_remove(struct i2c_client *client) { struct ad7418_data *data = i2c_get_clientdata(client); hwmon_device_unregister(data->hwmon_dev); sysfs_remove_group(&client->dev.kobj, &data->attrs); - i2c_detach_client(client); kfree(data); return 0; } diff --git a/drivers/hwmon/adm1021.c b/drivers/hwmon/adm1021.c index ecbf69484bf5..b11e06f644b1 100644 --- a/drivers/hwmon/adm1021.c +++ b/drivers/hwmon/adm1021.c @@ -78,7 +78,6 @@ clearing it. Weird, ey? --Phil */ /* Each client has this additional data */ struct adm1021_data { - struct i2c_client client; struct device *hwmon_dev; enum chips type; @@ -98,23 +97,42 @@ struct adm1021_data { u8 remote_temp_offset_prec; }; -static int adm1021_attach_adapter(struct i2c_adapter *adapter); -static int adm1021_detect(struct i2c_adapter *adapter, int address, int kind); +static int adm1021_probe(struct i2c_client *client, + const struct i2c_device_id *id); +static int adm1021_detect(struct i2c_client *client, int kind, + struct i2c_board_info *info); static void adm1021_init_client(struct i2c_client *client); -static int adm1021_detach_client(struct i2c_client *client); +static int adm1021_remove(struct i2c_client *client); static struct adm1021_data *adm1021_update_device(struct device *dev); /* (amalysh) read only mode, otherwise any limit's writing confuse BIOS */ static int read_only; +static const struct i2c_device_id adm1021_id[] = { + { "adm1021", adm1021 }, + { "adm1023", adm1023 }, + { "max1617", max1617 }, + { "max1617a", max1617a }, + { "thmc10", thmc10 }, + { "lm84", lm84 }, + { "gl523sm", gl523sm }, + { "mc1066", mc1066 }, + { } +}; +MODULE_DEVICE_TABLE(i2c, adm1021_id); + /* This is the driver that will be inserted */ static struct i2c_driver adm1021_driver = { + .class = I2C_CLASS_HWMON, .driver = { .name = "adm1021", }, - .attach_adapter = adm1021_attach_adapter, - .detach_client = adm1021_detach_client, + .probe = adm1021_probe, + .remove = adm1021_remove, + .id_table = adm1021_id, + .detect = adm1021_detect, + .address_data = &addr_data, }; static ssize_t show_temp(struct device *dev, @@ -216,13 +234,6 @@ static SENSOR_DEVICE_ATTR(temp2_fault, S_IRUGO, show_alarm, NULL, 2); static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL); -static int adm1021_attach_adapter(struct i2c_adapter *adapter) -{ - if (!(adapter->class & I2C_CLASS_HWMON)) - return 0; - return i2c_probe(adapter, &addr_data, adm1021_detect); -} - static struct attribute *adm1021_attributes[] = { &sensor_dev_attr_temp1_max.dev_attr.attr, &sensor_dev_attr_temp1_min.dev_attr.attr, @@ -243,36 +254,21 @@ static const struct attribute_group adm1021_group = { .attrs = adm1021_attributes, }; -static int adm1021_detect(struct i2c_adapter *adapter, int address, int kind) +/* Return 0 if detection is successful, -ENODEV otherwise */ +static int adm1021_detect(struct i2c_client *client, int kind, + struct i2c_board_info *info) { + struct i2c_adapter *adapter = client->adapter; int i; - struct i2c_client *client; - struct adm1021_data *data; - int err = 0; const char *type_name = ""; int conv_rate, status, config; if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) { pr_debug("adm1021: detect failed, " "smbus byte data not supported!\n"); - goto error0; - } - - /* OK. For now, we presume we have a valid client. We now create the - client structure, even though we cannot fill it completely yet. - But it allows us to access adm1021 register values. */ - - if (!(data = kzalloc(sizeof(struct adm1021_data), GFP_KERNEL))) { - pr_debug("adm1021: detect failed, kzalloc failed!\n"); - err = -ENOMEM; - goto error0; + return -ENODEV; } - client = &data->client; - i2c_set_clientdata(client, data); - client->addr = address; - client->adapter = adapter; - client->driver = &adm1021_driver; status = i2c_smbus_read_byte_data(client, ADM1021_REG_STATUS); conv_rate = i2c_smbus_read_byte_data(client, ADM1021_REG_CONV_RATE_R); @@ -284,8 +280,7 @@ static int adm1021_detect(struct i2c_adapter *adapter, int address, int kind) || (conv_rate & 0xF8) != 0x00) { pr_debug("adm1021: detect failed, " "chip not detected!\n"); - err = -ENODEV; - goto error1; + return -ENODEV; } } @@ -336,24 +331,36 @@ static int adm1021_detect(struct i2c_adapter *adapter, int address, int kind) type_name = "mc1066"; } pr_debug("adm1021: Detected chip %s at adapter %d, address 0x%02x.\n", - type_name, i2c_adapter_id(adapter), address); + type_name, i2c_adapter_id(adapter), client->addr); + strlcpy(info->type, type_name, I2C_NAME_SIZE); - /* Fill in the remaining client fields */ - strlcpy(client->name, type_name, I2C_NAME_SIZE); - data->type = kind; - mutex_init(&data->update_lock); + return 0; +} - /* Tell the I2C layer a new client has arrived */ - if ((err = i2c_attach_client(client))) - goto error1; +static int adm1021_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct adm1021_data *data; + int err; + + data = kzalloc(sizeof(struct adm1021_data), GFP_KERNEL); + if (!data) { + pr_debug("adm1021: detect failed, kzalloc failed!\n"); + err = -ENOMEM; + goto error0; + } + + i2c_set_clientdata(client, data); + data->type = id->driver_data; + mutex_init(&data->update_lock); /* Initialize the ADM1021 chip */ - if (kind != lm84 && !read_only) + if (data->type != lm84 && !read_only) adm1021_init_client(client); /* Register sysfs hooks */ if ((err = sysfs_create_group(&client->dev.kobj, &adm1021_group))) - goto error2; + goto error1; data->hwmon_dev = hwmon_device_register(&client->dev); if (IS_ERR(data->hwmon_dev)) { @@ -365,8 +372,6 @@ static int adm1021_detect(struct i2c_adapter *adapter, int address, int kind) error3: sysfs_remove_group(&client->dev.kobj, &adm1021_group); -error2: - i2c_detach_client(client); error1: kfree(data); error0: @@ -382,17 +387,13 @@ static void adm1021_init_client(struct i2c_client *client) i2c_smbus_write_byte_data(client, ADM1021_REG_CONV_RATE_W, 0x04); } -static int adm1021_detach_client(struct i2c_client *client) +static int adm1021_remove(struct i2c_client *client) { struct adm1021_data *data = i2c_get_clientdata(client); - int err; hwmon_device_unregister(data->hwmon_dev); sysfs_remove_group(&client->dev.kobj, &adm1021_group); - if ((err = i2c_detach_client(client))) - return err; - kfree(data); return 0; } diff --git a/drivers/hwmon/adm1025.c b/drivers/hwmon/adm1025.c index 1d76de7d75c7..4db04d603ec9 100644 --- a/drivers/hwmon/adm1025.c +++ b/drivers/hwmon/adm1025.c @@ -2,7 +2,7 @@ * adm1025.c * * Copyright (C) 2000 Chen-Yuan Wu <gwu@esoft.com> - * Copyright (C) 2003-2004 Jean Delvare <khali@linux-fr.org> + * Copyright (C) 2003-2008 Jean Delvare <khali@linux-fr.org> * * The ADM1025 is a sensor chip made by Analog Devices. It reports up to 6 * voltages (including its own power source) and up to two temperatures @@ -109,22 +109,35 @@ static const int in_scale[6] = { 2500, 2250, 3300, 5000, 12000, 3300 }; * Functions declaration */ -static int adm1025_attach_adapter(struct i2c_adapter *adapter); -static int adm1025_detect(struct i2c_adapter *adapter, int address, int kind); +static int adm1025_probe(struct i2c_client *client, + const struct i2c_device_id *id); +static int adm1025_detect(struct i2c_client *client, int kind, + struct i2c_board_info *info); static void adm1025_init_client(struct i2c_client *client); -static int adm1025_detach_client(struct i2c_client *client); +static int adm1025_remove(struct i2c_client *client); static struct adm1025_data *adm1025_update_device(struct device *dev); /* * Driver data (common to all clients) */ +static const struct i2c_device_id adm1025_id[] = { + { "adm1025", adm1025 }, + { "ne1619", ne1619 }, + { } +}; +MODULE_DEVICE_TABLE(i2c, adm1025_id); + static struct i2c_driver adm1025_driver = { + .class = I2C_CLASS_HWMON, .driver = { .name = "adm1025", }, - .attach_adapter = adm1025_attach_adapter, - .detach_client = adm1025_detach_client, + .probe = adm1025_probe, + .remove = adm1025_remove, + .id_table = adm1025_id, + .detect = adm1025_detect, + .address_data = &addr_data, }; /* @@ -132,7 +145,6 @@ static struct i2c_driver adm1025_driver = { */ struct adm1025_data { - struct i2c_client client; struct device *hwmon_dev; struct mutex update_lock; char valid; /* zero until following fields are valid */ @@ -344,13 +356,6 @@ static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm, set_vrm); * Real code */ -static int adm1025_attach_adapter(struct i2c_adapter *adapter) -{ - if (!(adapter->class & I2C_CLASS_HWMON)) - return 0; - return i2c_probe(adapter, &addr_data, adm1025_detect); -} - static struct attribute *adm1025_attributes[] = { &sensor_dev_attr_in0_input.dev_attr.attr, &sensor_dev_attr_in1_input.dev_attr.attr, @@ -403,31 +408,16 @@ static const struct attribute_group adm1025_group_in4 = { .attrs = adm1025_attributes_in4, }; -/* - * The following function does more than just detection. If detection - * succeeds, it also registers the new chip. - */ -static int adm1025_detect(struct i2c_adapter *adapter, int address, int kind) +/* Return 0 if detection is successful, -ENODEV otherwise */ +static int adm1025_detect(struct i2c_client *client, int kind, + struct i2c_board_info *info) { - struct i2c_client *client; - struct adm1025_data *data; - int err = 0; + struct i2c_adapter *adapter = client->adapter; const char *name = ""; u8 config; if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) - goto exit; - - if (!(data = kzalloc(sizeof(struct adm1025_data), GFP_KERNEL))) { - err = -ENOMEM; - goto exit; - } - - client = &data->client; - i2c_set_clientdata(client, data); - client->addr = address; - client->adapter = adapter; - client->driver = &adm1025_driver; + return -ENODEV; |