diff options
Diffstat (limited to 'include/linux/i2c.h')
-rw-r--r-- | include/linux/i2c.h | 23 |
1 files changed, 14 insertions, 9 deletions
diff --git a/include/linux/i2c.h b/include/linux/i2c.h index 47c2a1907372..953e71fb07b4 100644 --- a/include/linux/i2c.h +++ b/include/linux/i2c.h | |||
@@ -140,25 +140,30 @@ struct i2c_driver { | |||
140 | }; | 140 | }; |
141 | #define to_i2c_driver(d) container_of(d, struct i2c_driver, driver) | 141 | #define to_i2c_driver(d) container_of(d, struct i2c_driver, driver) |
142 | 142 | ||
143 | #define I2C_NAME_SIZE 50 | 143 | #define I2C_NAME_SIZE 20 |
144 | 144 | ||
145 | /* | 145 | /** |
146 | * i2c_client identifies a single device (i.e. chip) that is connected to an | 146 | * struct i2c_client - represent an I2C slave device |
147 | * i2c bus. The behaviour is defined by the routines of the driver. This | 147 | * @addr: Address used on the I2C bus connected to the parent adapter. |
148 | * function is mainly used for lookup & other admin. functions. | 148 | * @name: Indicates the type of the device, usually a chip name that's |
149 | * generic enough to hide second-sourcing and compatible revisions. | ||
150 | * @dev: Driver model device node for the slave. | ||
151 | * | ||
152 | * An i2c_client identifies a single device (i.e. chip) connected to an | ||
153 | * i2c bus. The behaviour is defined by the routines of the driver. | ||
149 | */ | 154 | */ |
150 | struct i2c_client { | 155 | struct i2c_client { |
151 | unsigned int flags; /* div., see below */ | 156 | unsigned short flags; /* div., see below */ |
152 | unsigned short addr; /* chip address - NOTE: 7bit */ | 157 | unsigned short addr; /* chip address - NOTE: 7bit */ |
153 | /* addresses are stored in the */ | 158 | /* addresses are stored in the */ |
154 | /* _LOWER_ 7 bits */ | 159 | /* _LOWER_ 7 bits */ |
160 | char name[I2C_NAME_SIZE]; | ||
155 | struct i2c_adapter *adapter; /* the adapter we sit on */ | 161 | struct i2c_adapter *adapter; /* the adapter we sit on */ |
156 | struct i2c_driver *driver; /* and our access routines */ | 162 | struct i2c_driver *driver; /* and our access routines */ |
157 | int usage_count; /* How many accesses currently */ | 163 | int usage_count; /* How many accesses currently */ |
158 | /* to the client */ | 164 | /* to the client */ |
159 | struct device dev; /* the device structure */ | 165 | struct device dev; /* the device structure */ |
160 | struct list_head list; | 166 | struct list_head list; |
161 | char name[I2C_NAME_SIZE]; | ||
162 | struct completion released; | 167 | struct completion released; |
163 | }; | 168 | }; |
164 | #define to_i2c_client(d) container_of(d, struct i2c_client, dev) | 169 | #define to_i2c_client(d) container_of(d, struct i2c_client, dev) |
@@ -231,7 +236,7 @@ struct i2c_adapter { | |||
231 | int nr; | 236 | int nr; |
232 | struct list_head clients; | 237 | struct list_head clients; |
233 | struct list_head list; | 238 | struct list_head list; |
234 | char name[I2C_NAME_SIZE]; | 239 | char name[48]; |
235 | struct completion dev_released; | 240 | struct completion dev_released; |
236 | }; | 241 | }; |
237 | #define dev_to_i2c_adapter(d) container_of(d, struct i2c_adapter, dev) | 242 | #define dev_to_i2c_adapter(d) container_of(d, struct i2c_adapter, dev) |