drm/amdgpu: remove eeprom from the smu i2c handlers

The driver uses it for EEPROM access, but it's just an i2c bus.
Reviewed-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/smu_v11_0_i2c.c

@@ -536,12 +536,12 @@ static bool smu_v11_0_i2c_bus_unlock(struct i2c_adapter *control)
 	return false;
 }
 
-/***************************** EEPROM I2C GLUE ****************************/
+/***************************** I2C GLUE ****************************/
 
-static uint32_t smu_v11_0_i2c_eeprom_read_data(struct i2c_adapter *control,
-					       uint8_t address,
-					       uint8_t *data,
-					       uint32_t numbytes)
+static uint32_t smu_v11_0_i2c_read_data(struct i2c_adapter *control,
+					uint8_t address,
+					uint8_t *data,
+					uint32_t numbytes)
 {
 	uint32_t  ret = 0;
 
@@ -561,10 +561,10 @@ static uint32_t smu_v11_0_i2c_eeprom_read_data(struct i2c_adapter *control,
 	return ret;
 }
 
-static uint32_t smu_v11_0_i2c_eeprom_write_data(struct i2c_adapter *control,
-						uint8_t address,
-						uint8_t *data,
-						uint32_t numbytes)
+static uint32_t smu_v11_0_i2c_write_data(struct i2c_adapter *control,
+					 uint8_t address,
+					 uint8_t *data,
+					 uint32_t numbytes)
 {
 	uint32_t  ret;
 
@@ -624,7 +624,7 @@ static const struct i2c_lock_operations smu_v11_0_i2c_i2c_lock_ops = {
 	.unlock_bus = unlock_bus,
 };
 
-static int smu_v11_0_i2c_eeprom_i2c_xfer(struct i2c_adapter *i2c_adap,
+static int smu_v11_0_i2c_xfer(struct i2c_adapter *i2c_adap,
 			      struct i2c_msg *msgs, int num)
 {
 	int i, ret;
@@ -639,13 +639,13 @@ static int smu_v11_0_i2c_eeprom_i2c_xfer(struct i2c_adapter *i2c_adap,
 
 	for (i = 0; i < num; i++) {
 		if (msgs[i].flags & I2C_M_RD)
-			ret = smu_v11_0_i2c_eeprom_read_data(i2c_adap,
-							(uint8_t)msgs[i].addr,
-							msgs[i].buf, msgs[i].len);
+			ret = smu_v11_0_i2c_read_data(i2c_adap,
+						      (uint8_t)msgs[i].addr,
+						      msgs[i].buf, msgs[i].len);
 		else
-			ret = smu_v11_0_i2c_eeprom_write_data(i2c_adap,
-							 (uint8_t)msgs[i].addr,
-							 msgs[i].buf, msgs[i].len);
+			ret = smu_v11_0_i2c_write_data(i2c_adap,
+						       (uint8_t)msgs[i].addr,
+						       msgs[i].buf, msgs[i].len);
 
 		if (ret != I2C_OK) {
 			num = -EIO;
@@ -657,18 +657,18 @@ static int smu_v11_0_i2c_eeprom_i2c_xfer(struct i2c_adapter *i2c_adap,
 	return num;
 }
 
-static u32 smu_v11_0_i2c_eeprom_i2c_func(struct i2c_adapter *adap)
+static u32 smu_v11_0_i2c_func(struct i2c_adapter *adap)
 {
 	return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL;
 }
 
 
-static const struct i2c_algorithm smu_v11_0_i2c_eeprom_i2c_algo = {
-	.master_xfer = smu_v11_0_i2c_eeprom_i2c_xfer,
-	.functionality = smu_v11_0_i2c_eeprom_i2c_func,
+static const struct i2c_algorithm smu_v11_0_i2c_algo = {
+	.master_xfer = smu_v11_0_i2c_xfer,
+	.functionality = smu_v11_0_i2c_func,
 };
 
-int smu_v11_0_i2c_eeprom_control_init(struct i2c_adapter *control)
+int smu_v11_0_i2c_control_init(struct i2c_adapter *control)
 {
 	struct amdgpu_device *adev = to_amdgpu_device(control);
 	int res;
@@ -676,8 +676,8 @@ int smu_v11_0_i2c_eeprom_control_init(struct i2c_adapter *control)
 	control->owner = THIS_MODULE;
 	control->class = I2C_CLASS_SPD;
 	control->dev.parent = &adev->pdev->dev;
-	control->algo = &smu_v11_0_i2c_eeprom_i2c_algo;
-	snprintf(control->name, sizeof(control->name), "AMDGPU EEPROM");
+	control->algo = &smu_v11_0_i2c_algo;
+	snprintf(control->name, sizeof(control->name), "AMDGPU SMU");
 	control->lock_ops = &smu_v11_0_i2c_i2c_lock_ops;
 
 	res = i2c_add_adapter(control);
@@ -687,7 +687,7 @@ int smu_v11_0_i2c_eeprom_control_init(struct i2c_adapter *control)
 	return res;
 }
 
-void smu_v11_0_i2c_eeprom_control_fini(struct i2c_adapter *control)
+void smu_v11_0_i2c_control_fini(struct i2c_adapter *control)
 {
 	i2c_del_adapter(control);
 }
@@ -715,9 +715,9 @@ bool smu_v11_0_i2c_test_bus(struct i2c_adapter *control)
 	smu_v11_0_i2c_init(control);
 
 	/* Write 0xde to address 0x0000 on the EEPROM */
-	ret = smu_v11_0_i2c_eeprom_write_data(control, I2C_TARGET_ADDR, data, 6);
+	ret = smu_v11_0_i2c_write_data(control, I2C_TARGET_ADDR, data, 6);
 
-	ret = smu_v11_0_i2c_eeprom_read_data(control, I2C_TARGET_ADDR, data, 6);
+	ret = smu_v11_0_i2c_read_data(control, I2C_TARGET_ADDR, data, 6);
 
 	smu_v11_0_i2c_fini(control);
 

drivers/gpu/drm/amd/amdgpu/smu_v11_0_i2c.h

@@ -28,7 +28,7 @@
 
 struct i2c_adapter;
 
-int smu_v11_0_i2c_eeprom_control_init(struct i2c_adapter *control);
-void smu_v11_0_i2c_eeprom_control_fini(struct i2c_adapter *control);
+int smu_v11_0_i2c_control_init(struct i2c_adapter *control);
+void smu_v11_0_i2c_control_fini(struct i2c_adapter *control);
 
 #endif

drivers/gpu/drm/amd/powerplay/smumgr/vega20_smumgr.c

@@ -523,7 +523,7 @@ static int vega20_smu_init(struct pp_hwmgr *hwmgr)
 	priv->smu_tables.entry[TABLE_ACTIVITY_MONITOR_COEFF].size = sizeof(DpmActivityMonitorCoeffInt_t);
 
 	if (adev->psp.ras.ras) {
-		ret = smu_v11_0_i2c_eeprom_control_init(&adev->pm.smu_i2c);
+		ret = smu_v11_0_i2c_control_init(&adev->pm.smu_i2c);
 		if (ret)
 			goto err4;
 	}
@@ -563,7 +563,7 @@ static int vega20_smu_fini(struct pp_hwmgr *hwmgr)
 	struct amdgpu_device *adev = hwmgr->adev;
 
 	if (adev->psp.ras.ras)
-		smu_v11_0_i2c_eeprom_control_fini(&adev->pm.smu_i2c);
+		smu_v11_0_i2c_control_fini(&adev->pm.smu_i2c);
 
 	if (priv) {
 		amdgpu_bo_free_kernel(&priv->smu_tables.entry[TABLE_PPTABLE].handle,