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authorLinus Torvalds <torvalds@linux-foundation.org>2009-12-08 08:12:16 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-12-08 08:12:16 -0800
commit41440ffe21f29bdb985cab76b2d0b06d83e63b19 (patch)
tree1d7d1ff6f699ccbabb71c7bc4172f7d15bc4bc45 /include
parentdad3de7d0090280f44ff27131ed2878f1ab6ddad (diff)
parent6471b68982d3bb1a593c3e183c804ecf830125d3 (diff)
Merge branch 'i2c-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging
* 'i2c-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging: i2c-stub: Documentation update i2c-stub: Allow user to disable some commands i2c-stub: Implement I2C block support i2c: Refactor for_each callbacks i2c-i801: Retry on lost arbitration i2c: Remove big kernel lock from i2cdev_open ics932s401: Clean up detect function i2c: Simplify i2c_detect_address i2c: Drop probe, ignore and force module parameters i2c: Add missing __devinit markers to old i2c adapter drivers i2c: Bus drivers don't have to support I2C_M_REV_DIR_ADDR i2c: Prevent priority inversion on top of bus lock i2c-voodoo3: Delete i2c-powermac: Drop temporary name buffer i2c-powermac: Include the i2c_adapter in struct pmac_i2c_bus i2c-powermac: Log errors i2c-powermac: Refactor i2c_powermac_smbus_xfer i2c-powermac: Reject unsupported I2C transactions i2c/chips: Move ds1682 to drivers/misc
Diffstat (limited to 'include')
-rw-r--r--include/linux/i2c.h98
1 files changed, 4 insertions, 94 deletions
diff --git a/include/linux/i2c.h b/include/linux/i2c.h
index 7b40cda57a70..419ab546b266 100644
--- a/include/linux/i2c.h
+++ b/include/linux/i2c.h
@@ -110,7 +110,7 @@ extern s32 i2c_smbus_write_i2c_block_data(struct i2c_client *client,
* @driver: Device driver model driver
* @id_table: List of I2C devices supported by this driver
* @detect: Callback for device detection
- * @address_data: The I2C addresses to probe, ignore or force (for detect)
+ * @address_data: The I2C addresses to probe (for detect)
* @clients: List of detected clients we created (for i2c-core use only)
*
* The driver.owner field should be set to the module owner of this driver.
@@ -338,8 +338,7 @@ struct i2c_adapter {
void *algo_data;
/* data fields that are valid for all devices */
- u8 level; /* nesting level for lockdep */
- struct mutex bus_lock;
+ struct rt_mutex bus_lock;
int timeout; /* in jiffies */
int retries;
@@ -367,7 +366,7 @@ static inline void i2c_set_adapdata(struct i2c_adapter *dev, void *data)
*/
static inline void i2c_lock_adapter(struct i2c_adapter *adapter)
{
- mutex_lock(&adapter->bus_lock);
+ rt_mutex_lock(&adapter->bus_lock);
}
/**
@@ -376,7 +375,7 @@ static inline void i2c_lock_adapter(struct i2c_adapter *adapter)
*/
static inline void i2c_unlock_adapter(struct i2c_adapter *adapter)
{
- mutex_unlock(&adapter->bus_lock);
+ rt_mutex_unlock(&adapter->bus_lock);
}
/*flags for the client struct: */
@@ -398,9 +397,6 @@ static inline void i2c_unlock_adapter(struct i2c_adapter *adapter)
*/
struct i2c_client_address_data {
const unsigned short *normal_i2c;
- const unsigned short *probe;
- const unsigned short *ignore;
- const unsigned short * const *forces;
};
/* Internal numbers to terminate lists */
@@ -614,134 +610,48 @@ union i2c_smbus_data {
module_param_array(var, short, &var##_num, 0); \
MODULE_PARM_DESC(var, desc)
-#define I2C_CLIENT_MODULE_PARM_FORCE(name) \
-I2C_CLIENT_MODULE_PARM(force_##name, \
- "List of adapter,address pairs which are " \
- "unquestionably assumed to contain a `" \
- # name "' chip")
-
-
#define I2C_CLIENT_INSMOD_COMMON \
-I2C_CLIENT_MODULE_PARM(probe, "List of adapter,address pairs to scan " \
- "additionally"); \
-I2C_CLIENT_MODULE_PARM(ignore, "List of adapter,address pairs not to " \
- "scan"); \
static const struct i2c_client_address_data addr_data = { \
.normal_i2c = normal_i2c, \
- .probe = probe, \
- .ignore = ignore, \
- .forces = forces, \
}
-#define I2C_CLIENT_FORCE_TEXT \
- "List of adapter,address pairs to boldly assume to be present"
-
/* These are the ones you want to use in your own drivers. Pick the one
which matches the number of devices the driver differenciates between. */
#define I2C_CLIENT_INSMOD \
-I2C_CLIENT_MODULE_PARM(force, I2C_CLIENT_FORCE_TEXT); \
-static const unsigned short * const forces[] = { force, NULL }; \
I2C_CLIENT_INSMOD_COMMON
#define I2C_CLIENT_INSMOD_1(chip1) \
enum chips { any_chip, chip1 }; \
-I2C_CLIENT_MODULE_PARM(force, I2C_CLIENT_FORCE_TEXT); \
-I2C_CLIENT_MODULE_PARM_FORCE(chip1); \
-static const unsigned short * const forces[] = { force, \
- force_##chip1, NULL }; \
I2C_CLIENT_INSMOD_COMMON
#define I2C_CLIENT_INSMOD_2(chip1, chip2) \
enum chips { any_chip, chip1, chip2 }; \
-I2C_CLIENT_MODULE_PARM(force, I2C_CLIENT_FORCE_TEXT); \
-I2C_CLIENT_MODULE_PARM_FORCE(chip1); \
-I2C_CLIENT_MODULE_PARM_FORCE(chip2); \
-static const unsigned short * const forces[] = { force, \
- force_##chip1, force_##chip2, NULL }; \
I2C_CLIENT_INSMOD_COMMON
#define I2C_CLIENT_INSMOD_3(chip1, chip2, chip3) \
enum chips { any_chip, chip1, chip2, chip3 }; \
-I2C_CLIENT_MODULE_PARM(force, I2C_CLIENT_FORCE_TEXT); \
-I2C_CLIENT_MODULE_PARM_FORCE(chip1); \
-I2C_CLIENT_MODULE_PARM_FORCE(chip2); \
-I2C_CLIENT_MODULE_PARM_FORCE(chip3); \
-static const unsigned short * const forces[] = { force, \
- force_##chip1, force_##chip2, force_##chip3, NULL }; \
I2C_CLIENT_INSMOD_COMMON
#define I2C_CLIENT_INSMOD_4(chip1, chip2, chip3, chip4) \
enum chips { any_chip, chip1, chip2, chip3, chip4 }; \
-I2C_CLIENT_MODULE_PARM(force, I2C_CLIENT_FORCE_TEXT); \
-I2C_CLIENT_MODULE_PARM_FORCE(chip1); \
-I2C_CLIENT_MODULE_PARM_FORCE(chip2); \
-I2C_CLIENT_MODULE_PARM_FORCE(chip3); \
-I2C_CLIENT_MODULE_PARM_FORCE(chip4); \
-static const unsigned short * const forces[] = { force, \
- force_##chip1, force_##chip2, force_##chip3, \
- force_##chip4, NULL}; \
I2C_CLIENT_INSMOD_COMMON
#define I2C_CLIENT_INSMOD_5(chip1, chip2, chip3, chip4, chip5) \
enum chips { any_chip, chip1, chip2, chip3, chip4, chip5 }; \
-I2C_CLIENT_MODULE_PARM(force, I2C_CLIENT_FORCE_TEXT); \
-I2C_CLIENT_MODULE_PARM_FORCE(chip1); \
-I2C_CLIENT_MODULE_PARM_FORCE(chip2); \
-I2C_CLIENT_MODULE_PARM_FORCE(chip3); \
-I2C_CLIENT_MODULE_PARM_FORCE(chip4); \
-I2C_CLIENT_MODULE_PARM_FORCE(chip5); \
-static const unsigned short * const forces[] = { force, \
- force_##chip1, force_##chip2, force_##chip3, \
- force_##chip4, force_##chip5, NULL }; \
I2C_CLIENT_INSMOD_COMMON
#define I2C_CLIENT_INSMOD_6(chip1, chip2, chip3, chip4, chip5, chip6) \
enum chips { any_chip, chip1, chip2, chip3, chip4, chip5, chip6 }; \
-I2C_CLIENT_MODULE_PARM(force, I2C_CLIENT_FORCE_TEXT); \
-I2C_CLIENT_MODULE_PARM_FORCE(chip1); \
-I2C_CLIENT_MODULE_PARM_FORCE(chip2); \
-I2C_CLIENT_MODULE_PARM_FORCE(chip3); \
-I2C_CLIENT_MODULE_PARM_FORCE(chip4); \
-I2C_CLIENT_MODULE_PARM_FORCE(chip5); \
-I2C_CLIENT_MODULE_PARM_FORCE(chip6); \
-static const unsigned short * const forces[] = { force, \
- force_##chip1, force_##chip2, force_##chip3, \
- force_##chip4, force_##chip5, force_##chip6, NULL }; \
I2C_CLIENT_INSMOD_COMMON
#define I2C_CLIENT_INSMOD_7(chip1, chip2, chip3, chip4, chip5, chip6, chip7) \
enum chips { any_chip, chip1, chip2, chip3, chip4, chip5, chip6, \
chip7 }; \
-I2C_CLIENT_MODULE_PARM(force, I2C_CLIENT_FORCE_TEXT); \
-I2C_CLIENT_MODULE_PARM_FORCE(chip1); \
-I2C_CLIENT_MODULE_PARM_FORCE(chip2); \
-I2C_CLIENT_MODULE_PARM_FORCE(chip3); \
-I2C_CLIENT_MODULE_PARM_FORCE(chip4); \
-I2C_CLIENT_MODULE_PARM_FORCE(chip5); \
-I2C_CLIENT_MODULE_PARM_FORCE(chip6); \
-I2C_CLIENT_MODULE_PARM_FORCE(chip7); \
-static const unsigned short * const forces[] = { force, \
- force_##chip1, force_##chip2, force_##chip3, \
- force_##chip4, force_##chip5, force_##chip6, \
- force_##chip7, NULL }; \
I2C_CLIENT_INSMOD_COMMON
#define I2C_CLIENT_INSMOD_8(chip1, chip2, chip3, chip4, chip5, chip6, chip7, chip8) \
enum chips { any_chip, chip1, chip2, chip3, chip4, chip5, chip6, \
chip7, chip8 }; \
-I2C_CLIENT_MODULE_PARM(force, I2C_CLIENT_FORCE_TEXT); \
-I2C_CLIENT_MODULE_PARM_FORCE(chip1); \
-I2C_CLIENT_MODULE_PARM_FORCE(chip2); \
-I2C_CLIENT_MODULE_PARM_FORCE(chip3); \
-I2C_CLIENT_MODULE_PARM_FORCE(chip4); \
-I2C_CLIENT_MODULE_PARM_FORCE(chip5); \
-I2C_CLIENT_MODULE_PARM_FORCE(chip6); \
-I2C_CLIENT_MODULE_PARM_FORCE(chip7); \
-I2C_CLIENT_MODULE_PARM_FORCE(chip8); \
-static const unsigned short * const forces[] = { force, \
- force_##chip1, force_##chip2, force_##chip3, \
- force_##chip4, force_##chip5, force_##chip6, \
- force_##chip7, force_##chip8, NULL }; \
I2C_CLIENT_INSMOD_COMMON
#endif /* __KERNEL__ */
#endif /* _LINUX_I2C_H */