i2c/busses/i2c-sis630.c

121 static int sis630_transaction_start(struct i2c_adapter *adap, int size,
129 		dev_dbg(&adap->dev, "SMBus busy (%02x). Resetting...\n", temp);
135 			dev_dbg(&adap->dev, "Failed! (%02x)\n", temp);
138 			dev_dbg(&adap->dev, "Successful!\n");
145 	dev_dbg(&adap->dev, "saved clock 0x%02x\n", *oldclock);
164 static int sis630_transaction_wait(struct i2c_adapter *adap, int size)
179 		dev_dbg(&adap->dev, "SMBus Timeout!\n");
184 		dev_dbg(&adap->dev, "Error: Failed bus transaction\n");
189 		dev_err(&adap->dev, "Bus collision!\n");
196 static void sis630_transaction_end(struct i2c_adapter *adap, u8 oldclock)
201 	dev_dbg(&adap->dev,
211 	dev_dbg(&adap->dev,
215 static int sis630_transaction(struct i2c_adapter *adap, int size)
220 	result = sis630_transaction_start(adap, size, &oldclock);
222 		result = sis630_transaction_wait(adap, size);
223 		sis630_transaction_end(adap, oldclock);
229 static int sis630_block_data(struct i2c_adapter *adap,
243 			dev_dbg(&adap->dev,
248 				dev_dbg(&adap->dev,
251 				rc = sis630_transaction_start(adap,
256 				dev_dbg(&adap->dev,
259 					dev_dbg(&adap->dev,
269 				rc = sis630_transaction_wait(adap,
272 					dev_dbg(&adap->dev,
281 		rc = sis630_transaction_start(adap,
286 			rc = sis630_transaction_wait(adap, SIS630_BLOCK_DATA);
288 				dev_dbg(&adap->dev, "trans_wait failed\n");
299 			dev_dbg(&adap->dev,
303 				dev_dbg(&adap->dev,
309 			dev_dbg(&adap->dev,
317 	sis630_transaction_end(adap, oldclock);
323 static s32 sis630_access(struct i2c_adapter *adap, u16 addr,
367 		return sis630_block_data(adap, data, read_write);
369 		dev_warn(&adap->dev, "Unsupported transaction %d\n", size);
373 	status = sis630_transaction(adap, size);