diff options
Diffstat (limited to 'drivers/i2c')
-rw-r--r-- | drivers/i2c/busses/i2c-gpio.c | 2 | ||||
-rw-r--r-- | drivers/i2c/busses/i2c-i801.c | 6 | ||||
-rw-r--r-- | drivers/i2c/busses/i2c-mpc.c | 9 | ||||
-rw-r--r-- | drivers/i2c/busses/i2c-parport.c | 27 | ||||
-rw-r--r-- | drivers/i2c/busses/i2c-pnx.c | 2 |
5 files changed, 28 insertions, 18 deletions
diff --git a/drivers/i2c/busses/i2c-gpio.c b/drivers/i2c/busses/i2c-gpio.c index d9aa9a649e35..a651779d9ff7 100644 --- a/drivers/i2c/busses/i2c-gpio.c +++ b/drivers/i2c/busses/i2c-gpio.c | |||
@@ -219,7 +219,7 @@ static void __exit i2c_gpio_exit(void) | |||
219 | } | 219 | } |
220 | module_exit(i2c_gpio_exit); | 220 | module_exit(i2c_gpio_exit); |
221 | 221 | ||
222 | MODULE_AUTHOR("Haavard Skinnemoen <hskinnemoen@atmel.com>"); | 222 | MODULE_AUTHOR("Haavard Skinnemoen (Atmel)"); |
223 | MODULE_DESCRIPTION("Platform-independent bitbanging I2C driver"); | 223 | MODULE_DESCRIPTION("Platform-independent bitbanging I2C driver"); |
224 | MODULE_LICENSE("GPL"); | 224 | MODULE_LICENSE("GPL"); |
225 | MODULE_ALIAS("platform:i2c-gpio"); | 225 | MODULE_ALIAS("platform:i2c-gpio"); |
diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c index 72c0415f6f94..ec36208c9977 100644 --- a/drivers/i2c/busses/i2c-i801.c +++ b/drivers/i2c/busses/i2c-i801.c | |||
@@ -134,10 +134,16 @@ | |||
134 | SMBHSTSTS_BUS_ERR | SMBHSTSTS_DEV_ERR | \ | 134 | SMBHSTSTS_BUS_ERR | SMBHSTSTS_DEV_ERR | \ |
135 | SMBHSTSTS_INTR) | 135 | SMBHSTSTS_INTR) |
136 | 136 | ||
137 | /* Older devices have their ID defined in <linux/pci_ids.h> */ | ||
138 | #define PCI_DEVICE_ID_INTEL_COUGARPOINT_SMBUS 0x1c22 | ||
139 | #define PCI_DEVICE_ID_INTEL_PATSBURG_SMBUS 0x1d22 | ||
140 | #define PCI_DEVICE_ID_INTEL_PANTHERPOINT_SMBUS 0x1e22 | ||
137 | /* Patsburg also has three 'Integrated Device Function' SMBus controllers */ | 141 | /* Patsburg also has three 'Integrated Device Function' SMBus controllers */ |
138 | #define PCI_DEVICE_ID_INTEL_PATSBURG_SMBUS_IDF0 0x1d70 | 142 | #define PCI_DEVICE_ID_INTEL_PATSBURG_SMBUS_IDF0 0x1d70 |
139 | #define PCI_DEVICE_ID_INTEL_PATSBURG_SMBUS_IDF1 0x1d71 | 143 | #define PCI_DEVICE_ID_INTEL_PATSBURG_SMBUS_IDF1 0x1d71 |
140 | #define PCI_DEVICE_ID_INTEL_PATSBURG_SMBUS_IDF2 0x1d72 | 144 | #define PCI_DEVICE_ID_INTEL_PATSBURG_SMBUS_IDF2 0x1d72 |
145 | #define PCI_DEVICE_ID_INTEL_DH89XXCC_SMBUS 0x2330 | ||
146 | #define PCI_DEVICE_ID_INTEL_5_3400_SERIES_SMBUS 0x3b30 | ||
141 | 147 | ||
142 | struct i801_priv { | 148 | struct i801_priv { |
143 | struct i2c_adapter adapter; | 149 | struct i2c_adapter adapter; |
diff --git a/drivers/i2c/busses/i2c-mpc.c b/drivers/i2c/busses/i2c-mpc.c index 75b984c519ac..107397a606b4 100644 --- a/drivers/i2c/busses/i2c-mpc.c +++ b/drivers/i2c/busses/i2c-mpc.c | |||
@@ -560,15 +560,18 @@ static struct i2c_adapter mpc_ops = { | |||
560 | .timeout = HZ, | 560 | .timeout = HZ, |
561 | }; | 561 | }; |
562 | 562 | ||
563 | static const struct of_device_id mpc_i2c_of_match[]; | ||
563 | static int __devinit fsl_i2c_probe(struct platform_device *op) | 564 | static int __devinit fsl_i2c_probe(struct platform_device *op) |
564 | { | 565 | { |
566 | const struct of_device_id *match; | ||
565 | struct mpc_i2c *i2c; | 567 | struct mpc_i2c *i2c; |
566 | const u32 *prop; | 568 | const u32 *prop; |
567 | u32 clock = MPC_I2C_CLOCK_LEGACY; | 569 | u32 clock = MPC_I2C_CLOCK_LEGACY; |
568 | int result = 0; | 570 | int result = 0; |
569 | int plen; | 571 | int plen; |
570 | 572 | ||
571 | if (!op->dev.of_match) | 573 | match = of_match_device(mpc_i2c_of_match, &op->dev); |
574 | if (!match) | ||
572 | return -EINVAL; | 575 | return -EINVAL; |
573 | 576 | ||
574 | i2c = kzalloc(sizeof(*i2c), GFP_KERNEL); | 577 | i2c = kzalloc(sizeof(*i2c), GFP_KERNEL); |
@@ -605,8 +608,8 @@ static int __devinit fsl_i2c_probe(struct platform_device *op) | |||
605 | clock = *prop; | 608 | clock = *prop; |
606 | } | 609 | } |
607 | 610 | ||
608 | if (op->dev.of_match->data) { | 611 | if (match->data) { |
609 | struct mpc_i2c_data *data = op->dev.of_match->data; | 612 | struct mpc_i2c_data *data = match->data; |
610 | data->setup(op->dev.of_node, i2c, clock, data->prescaler); | 613 | data->setup(op->dev.of_node, i2c, clock, data->prescaler); |
611 | } else { | 614 | } else { |
612 | /* Backwards compatibility */ | 615 | /* Backwards compatibility */ |
diff --git a/drivers/i2c/busses/i2c-parport.c b/drivers/i2c/busses/i2c-parport.c index 0eb1515541e7..2dbba163b102 100644 --- a/drivers/i2c/busses/i2c-parport.c +++ b/drivers/i2c/busses/i2c-parport.c | |||
@@ -1,7 +1,7 @@ | |||
1 | /* ------------------------------------------------------------------------ * | 1 | /* ------------------------------------------------------------------------ * |
2 | * i2c-parport.c I2C bus over parallel port * | 2 | * i2c-parport.c I2C bus over parallel port * |
3 | * ------------------------------------------------------------------------ * | 3 | * ------------------------------------------------------------------------ * |
4 | Copyright (C) 2003-2010 Jean Delvare <khali@linux-fr.org> | 4 | Copyright (C) 2003-2011 Jean Delvare <khali@linux-fr.org> |
5 | 5 | ||
6 | Based on older i2c-philips-par.c driver | 6 | Based on older i2c-philips-par.c driver |
7 | Copyright (C) 1995-2000 Simon G. Vogl | 7 | Copyright (C) 1995-2000 Simon G. Vogl |
@@ -33,6 +33,8 @@ | |||
33 | #include <linux/i2c-algo-bit.h> | 33 | #include <linux/i2c-algo-bit.h> |
34 | #include <linux/i2c-smbus.h> | 34 | #include <linux/i2c-smbus.h> |
35 | #include <linux/slab.h> | 35 | #include <linux/slab.h> |
36 | #include <linux/list.h> | ||
37 | #include <linux/mutex.h> | ||
36 | #include "i2c-parport.h" | 38 | #include "i2c-parport.h" |
37 | 39 | ||
38 | /* ----- Device list ------------------------------------------------------ */ | 40 | /* ----- Device list ------------------------------------------------------ */ |
@@ -43,10 +45,11 @@ struct i2c_par { | |||
43 | struct i2c_algo_bit_data algo_data; | 45 | struct i2c_algo_bit_data algo_data; |
44 | struct i2c_smbus_alert_setup alert_data; | 46 | struct i2c_smbus_alert_setup alert_data; |
45 | struct i2c_client *ara; | 47 | struct i2c_client *ara; |
46 | struct i2c_par *next; | 48 | struct list_head node; |
47 | }; | 49 | }; |
48 | 50 | ||
49 | static struct i2c_par *adapter_list; | 51 | static LIST_HEAD(adapter_list); |
52 | static DEFINE_MUTEX(adapter_list_lock); | ||
50 | 53 | ||
51 | /* ----- Low-level parallel port access ----------------------------------- */ | 54 | /* ----- Low-level parallel port access ----------------------------------- */ |
52 | 55 | ||
@@ -228,8 +231,9 @@ static void i2c_parport_attach (struct parport *port) | |||
228 | } | 231 | } |
229 | 232 | ||
230 | /* Add the new adapter to the list */ | 233 | /* Add the new adapter to the list */ |
231 | adapter->next = adapter_list; | 234 | mutex_lock(&adapter_list_lock); |
232 | adapter_list = adapter; | 235 | list_add_tail(&adapter->node, &adapter_list); |
236 | mutex_unlock(&adapter_list_lock); | ||
233 | return; | 237 | return; |
234 | 238 | ||
235 | ERROR1: | 239 | ERROR1: |
@@ -241,11 +245,11 @@ ERROR0: | |||
241 | 245 | ||
242 | static void i2c_parport_detach (struct parport *port) | 246 | static void i2c_parport_detach (struct parport *port) |
243 | { | 247 | { |
244 | struct i2c_par *adapter, *prev; | 248 | struct i2c_par *adapter, *_n; |
245 | 249 | ||
246 | /* Walk the list */ | 250 | /* Walk the list */ |
247 | for (prev = NULL, adapter = adapter_list; adapter; | 251 | mutex_lock(&adapter_list_lock); |
248 | prev = adapter, adapter = adapter->next) { | 252 | list_for_each_entry_safe(adapter, _n, &adapter_list, node) { |
249 | if (adapter->pdev->port == port) { | 253 | if (adapter->pdev->port == port) { |
250 | if (adapter->ara) { | 254 | if (adapter->ara) { |
251 | parport_disable_irq(port); | 255 | parport_disable_irq(port); |
@@ -259,14 +263,11 @@ static void i2c_parport_detach (struct parport *port) | |||
259 | 263 | ||
260 | parport_release(adapter->pdev); | 264 | parport_release(adapter->pdev); |
261 | parport_unregister_device(adapter->pdev); | 265 | parport_unregister_device(adapter->pdev); |
262 | if (prev) | 266 | list_del(&adapter->node); |
263 | prev->next = adapter->next; | ||
264 | else | ||
265 | adapter_list = adapter->next; | ||
266 | kfree(adapter); | 267 | kfree(adapter); |
267 | return; | ||
268 | } | 268 | } |
269 | } | 269 | } |
270 | mutex_unlock(&adapter_list_lock); | ||
270 | } | 271 | } |
271 | 272 | ||
272 | static struct parport_driver i2c_parport_driver = { | 273 | static struct parport_driver i2c_parport_driver = { |
diff --git a/drivers/i2c/busses/i2c-pnx.c b/drivers/i2c/busses/i2c-pnx.c index a97e3fec8148..04be9f82e14b 100644 --- a/drivers/i2c/busses/i2c-pnx.c +++ b/drivers/i2c/busses/i2c-pnx.c | |||
@@ -65,7 +65,7 @@ static inline void i2c_pnx_arm_timer(struct i2c_pnx_algo_data *alg_data) | |||
65 | jiffies, expires); | 65 | jiffies, expires); |
66 | 66 | ||
67 | timer->expires = jiffies + expires; | 67 | timer->expires = jiffies + expires; |
68 | timer->data = (unsigned long)&alg_data; | 68 | timer->data = (unsigned long)alg_data; |
69 | 69 | ||
70 | add_timer(timer); | 70 | add_timer(timer); |
71 | } | 71 | } |