HID: amd_sfh: Modify and log error only if case of functionality failures

Modify log messages, but only log errors when sensors are missing or a
true failure occurs to avoid misleading "failed" messages.

Signed-off-by: Basavaraj Natikar <Basavaraj.Natikar@amd.com>
Signed-off-by: Jiri Kosina <jkosina@suse.com>

Author: basuamd

drivers/hid/amd-sfh-hid/amd_sfh_pcie.c

@@ -333,14 +333,11 @@ static const struct dmi_system_id dmi_nodevs[] = {
 static void sfh1_1_init_work(struct work_struct *work)
 {
 	struct amd_mp2_dev *mp2 = container_of(work, struct amd_mp2_dev, work);
-	struct pci_dev *pdev = mp2->pdev;
 	int rc;
 
 	rc = mp2->sfh1_1_ops->init(mp2);
-	if (rc) {
-		dev_err(&pdev->dev, "sfh1_1_init failed err %d\n", rc);
+	if (rc)
 		return;
-	}
 
 	amd_sfh_clear_intr(mp2);
 	mp2->init_done = 1;

drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_init.c

@@ -202,7 +202,7 @@ static int amd_sfh1_1_hid_client_init(struct amd_mp2_dev *privdata)
 	}
 
 	if (!cl_data->is_any_sensor_enabled) {
-		dev_warn(dev, "Failed to discover, sensors not enabled is %d\n",
+		dev_warn(dev, "No sensor registered, sensors not enabled is %d\n",
 			 cl_data->is_any_sensor_enabled);
 		rc = -EOPNOTSUPP;
 		goto cleanup;
@@ -320,7 +320,7 @@ int amd_sfh1_1_init(struct amd_mp2_dev *mp2)
 
 	memcpy_fromio(&binfo, mp2->vsbase, sizeof(struct sfh_base_info));
 	if (binfo.sbase.fw_info.fw_ver == 0 || binfo.sbase.s_list.sl.sensors == 0) {
-		dev_dbg(dev, "failed to get sensors\n");
+		dev_dbg(dev, "No sensor registered\n");
 		return -EOPNOTSUPP;
 	}
 	dev_dbg(dev, "firmware version 0x%x\n", binfo.sbase.fw_info.fw_ver);
@@ -337,7 +337,8 @@ int amd_sfh1_1_init(struct amd_mp2_dev *mp2)
 	rc = amd_sfh1_1_hid_client_init(mp2);
 	if (rc) {
 		sfh_deinit_emp2();
-		dev_err(dev, "amd_sfh1_1_hid_client_init failed\n");
+		if ((rc != -ENODEV) && (rc != -EOPNOTSUPP))
+			dev_err(dev, "amd_sfh1_1_hid_client_init failed\n");
 		return rc;
 	}