WARNING: line length of 91 exceeds 80 columns
#146: FILE: drivers/mfd/nct6694.c:59:
+static int nct6694_response_err_handling(struct nct6694 *nct6694, unsigned char err_status)

WARNING: line length of 97 exceeds 80 columns
#182: FILE: drivers/mfd/nct6694.c:95:
+int nct6694_read_msg(struct nct6694 *nct6694, const struct nct6694_cmd_header *cmd_hd, void *buf)

WARNING: line length of 94 exceeds 80 columns
#194: FILE: drivers/mfd/nct6694.c:107:
+	ret = usb_bulk_msg(udev, usb_sndbulkpipe(udev, NCT6694_BULK_OUT_EP), &msg->cmd_header,

WARNING: line length of 98 exceeds 80 columns
#200: FILE: drivers/mfd/nct6694.c:113:
+	ret = usb_bulk_msg(udev, usb_rcvbulkpipe(udev, NCT6694_BULK_IN_EP), &msg->response_header,

WARNING: line length of 83 exceeds 80 columns
#207: FILE: drivers/mfd/nct6694.c:120:
+			   le16_to_cpu(cmd_hd->len), &rx_len, NCT6694_URB_TIMEOUT);

WARNING: line length of 98 exceeds 80 columns
#232: FILE: drivers/mfd/nct6694.c:145:
+int nct6694_write_msg(struct nct6694 *nct6694, const struct nct6694_cmd_header *cmd_hd, void *buf)

WARNING: line length of 94 exceeds 80 columns
#244: FILE: drivers/mfd/nct6694.c:157:
+	ret = usb_bulk_msg(udev, usb_sndbulkpipe(udev, NCT6694_BULK_OUT_EP), &msg->cmd_header,

WARNING: line length of 81 exceeds 80 columns
#250: FILE: drivers/mfd/nct6694.c:163:
+	ret = usb_bulk_msg(udev, usb_sndbulkpipe(udev, NCT6694_BULK_OUT_EP), buf,

WARNING: line length of 83 exceeds 80 columns
#251: FILE: drivers/mfd/nct6694.c:164:
+			   le16_to_cpu(cmd_hd->len), &tx_len, NCT6694_URB_TIMEOUT);

WARNING: line length of 98 exceeds 80 columns
#256: FILE: drivers/mfd/nct6694.c:169:
+	ret = usb_bulk_msg(udev, usb_rcvbulkpipe(udev, NCT6694_BULK_IN_EP), &msg->response_header,

WARNING: line length of 83 exceeds 80 columns
#263: FILE: drivers/mfd/nct6694.c:176:
+			   le16_to_cpu(cmd_hd->len), &rx_len, NCT6694_URB_TIMEOUT);

WARNING: line length of 92 exceeds 80 columns
#304: FILE: drivers/mfd/nct6694.c:217:
+		dev_warn(nct6694->dev, "Failed to resubmit urb, status %pe",  ERR_PTR(ret));

WARNING: line length of 93 exceeds 80 columns
#346: FILE: drivers/mfd/nct6694.c:259:
+static int nct6694_irq_domain_map(struct irq_domain *d, unsigned int irq, irq_hw_number_t hw)

WARNING: line length of 88 exceeds 80 columns
#385: FILE: drivers/mfd/nct6694.c:298:
+	nct6694->usb_msg = devm_kzalloc(dev, sizeof(union nct6694_usb_msg), GFP_KERNEL);

WARNING: line length of 84 exceeds 80 columns
#424: FILE: drivers/mfd/nct6694.c:337:
+	usb_fill_int_urb(nct6694->int_in_urb, udev, pipe, nct6694->int_buffer, maxp,

WARNING: line length of 83 exceeds 80 columns
#433: FILE: drivers/mfd/nct6694.c:346:
+	ret = mfd_add_hotplug_devices(dev, nct6694_devs, ARRAY_SIZE(nct6694_devs));

WARNING: line length of 98 exceeds 80 columns
#459: FILE: drivers/mfd/nct6694.c:372:
+	{ USB_DEVICE_AND_INTERFACE_INFO(NCT6694_VENDOR_ID, NCT6694_PRODUCT_ID, 0xFF, 0x00, 0x00)},

WARNING: line length of 98 exceeds 80 columns
#578: FILE: include/linux/mfd/nct6694.h:98:
+int nct6694_read_msg(struct nct6694 *nct6694, const struct nct6694_cmd_header *cmd_hd, void *buf);

WARNING: line length of 99 exceeds 80 columns
#579: FILE: include/linux/mfd/nct6694.h:99:
+int nct6694_write_msg(struct nct6694 *nct6694, const struct nct6694_cmd_header *cmd_hd, void *buf);

total: 0 errors, 19 warnings, 0 checks, 529 lines checked

NOTE: For some of the reported defects, checkpatch may be able to
      mechanically convert to the typical style using --fix or --fix-inplace.

Commit 3477240834b0 ("mfd: Add core driver for Nuvoton NCT6694") has style problems, please review.

NOTE: Ignored message types: ALLOC_SIZEOF_STRUCT BAD_REPORTED_BY_LINK CAMELCASE COMMIT_LOG_LONG_LINE GIT_COMMIT_ID MACRO_ARG_REUSE NO_AUTHOR_SIGN_OFF

NOTE: If any of the errors are false positives, please report
      them to the maintainer, see CHECKPATCH in MAINTAINERS.
total: 0 errors, 19 warnings, 0 checks, 529 lines checked