staging: unisys: change pr_err to dev_err in visor_check_channel

Changing pr_err to dev_err in visor_check_channel. Added device
as an argument to visor_check_channel to pass into dev_err.
Signed-off-by: Sameer Wadgaonkar <sameer.wadgaonkar@unisys.com>
Signed-off-by: David Kershner <david.kershner@unisys.com>
Reviewed-by: Tim Sell <timothy.sell@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/unisys/include/visorbus.h

@@ -166,9 +166,10 @@ struct visor_device {
 
 #define to_visor_device(x) container_of(x, struct visor_device, device)
 
-int visor_check_channel(struct channel_header *ch, const guid_t *expected_guid,
-			char *chname, u64 expected_min_bytes,
-			u32 expected_version, u64 expected_signature);
+int visor_check_channel(struct channel_header *ch, struct device *dev,
+			const guid_t *expected_uuid, char *chname,
+			u64 expected_min_bytes,	u32 expected_version,
+			u64 expected_signature);
 
 int visorbus_register_visor_driver(struct visor_driver *drv);
 void visorbus_unregister_visor_driver(struct visor_driver *drv);

drivers/staging/unisys/visorbus/visorbus_main.c

@@ -70,6 +70,7 @@ static LIST_HEAD(list_all_device_instances);
  * is used to pass the EFI_DIAG_CAPTURE_PROTOCOL needed to log messages.
  */
 int visor_check_channel(struct channel_header *ch,
+			struct device *dev,
 			const guid_t *expected_guid,
 			char *chname,
 			u64 expected_min_bytes,
@@ -79,38 +80,38 @@ int visor_check_channel(struct channel_header *ch,
 	if (!guid_is_null(expected_guid)) {
 		/* caller wants us to verify type GUID */
 		if (!guid_equal(&ch->chtype, expected_guid)) {
-			pr_err("Channel mismatch on channel=%s(%pUL) field=type expected=%pUL actual=%pUL\n",
-			       chname, expected_guid,
-			       expected_guid, &ch->chtype);
+			dev_err(dev, "Channel mismatch on channel=%s(%pUL) field=type expected=%pUL actual=%pUL\n",
+				chname, expected_guid, expected_guid,
+				&ch->chtype);
 			return 0;
 		}
 	}
 	/* verify channel size */
 	if (expected_min_bytes > 0) {
 		if (ch->size < expected_min_bytes) {
-			pr_err("Channel mismatch on channel=%s(%pUL) field=size expected=0x%-8.8Lx actual=0x%-8.8Lx\n",
-			       chname, expected_guid,
-			       (unsigned long long)expected_min_bytes,
-			       ch->size);
+			dev_err(dev, "Channel mismatch on channel=%s(%pUL) field=size expected=0x%-8.8Lx actual=0x%-8.8Lx\n",
+				chname, expected_guid,
+				(unsigned long long)expected_min_bytes,
+				ch->size);
 			return 0;
 		}
 	}
 	/* verify channel version */
 	if (expected_version > 0) {
 		if (ch->version_id != expected_version) {
-			pr_err("Channel mismatch on channel=%s(%pUL) field=version expected=0x%-8.8lx actual=0x%-8.8x\n",
-			       chname, expected_guid,
-			       (unsigned long)expected_version,
-			       ch->version_id);
+			dev_err(dev, "Channel mismatch on channel=%s(%pUL) field=version expected=0x%-8.8lx actual=0x%-8.8x\n",
+				chname, expected_guid,
+				(unsigned long)expected_version,
+				ch->version_id);
 			return 0;
 		}
 	}
 	/* verify channel signature */
 	if (expected_signature > 0) {
 		if (ch->signature != expected_signature) {
-			pr_err("Channel mismatch on channel=%s(%pUL) field=signature expected=0x%-8.8Lx actual=0x%-8.8Lx\n",
-			       chname, expected_guid,
-			       expected_signature, ch->signature);
+			dev_err(dev, "Channel mismatch on channel=%s(%pUL) field=signature expected=0x%-8.8Lx actual=0x%-8.8Lx\n",
+				chname, expected_guid,	expected_signature,
+				ch->signature);
 			return 0;
 		}
 	}
@@ -699,11 +700,13 @@ void remove_visor_device(struct visor_device *dev)
 }
 
 static int get_vbus_header_info(struct visorchannel *chan,
+				struct device *dev,
 				struct visor_vbus_headerinfo *hdr_info)
 {
 	int err;
 
 	if (!visor_check_channel(visorchannel_get_header(chan),
+				 dev,
 				 &visor_vbus_channel_guid,
 				 "vbus",
 				 sizeof(struct visor_vbus_channel),
@@ -1030,7 +1033,7 @@ int visorbus_create_instance(struct visor_device *dev)
 				    &client_bus_info_debugfs_fops);
 
 	dev_set_drvdata(&dev->device, dev);
-	err = get_vbus_header_info(dev->visorchannel, hdr_info);
+	err = get_vbus_header_info(dev->visorchannel, &dev->device, hdr_info);
 	if (err < 0)
 		goto err_debugfs_dir;
 

drivers/staging/unisys/visorbus/visorchipset.c

@@ -1736,6 +1736,7 @@ static int visorchipset_init(struct acpi_device *acpi_device)
 
 	controlvm_channel = chipset_dev->controlvm_channel;
 	if (!visor_check_channel(visorchannel_get_header(controlvm_channel),
+				 &chipset_dev->acpi_device->dev,
 				 &visor_controlvm_channel_guid,
 				 "controlvm",
 				 sizeof(struct visor_controlvm_channel),