WARNING: line length of 90 exceeds 80 columns
#101: FILE: drivers/rtc/rtc-nct6694.c:32:
+#define NCT6694_RTC_IRQ_INT_EN		BIT(0)	/* Transmit a USB INT-in when RTC alarm */

WARNING: line length of 92 exceeds 80 columns
#102: FILE: drivers/rtc/rtc-nct6694.c:33:
+#define NCT6694_RTC_IRQ_GPO_EN		BIT(5)	/* Trigger a GPO Low Pulse when RTC alarm */

WARNING: line length of 89 exceeds 80 columns
#104: FILE: drivers/rtc/rtc-nct6694.c:35:
+#define NCT6694_RTC_IRQ_EN		(NCT6694_RTC_IRQ_INT_EN | NCT6694_RTC_IRQ_GPO_EN)

CHECK: struct mutex definition without comment
#133: FILE: drivers/rtc/rtc-nct6694.c:64:
+	struct mutex lock;

WARNING: line length of 81 exceeds 80 columns
#140: FILE: drivers/rtc/rtc-nct6694.c:71:
+	struct nct6694_rtc_cmd0 *buf = (struct nct6694_rtc_cmd0 *)data->xmit_buf;

WARNING: line length of 81 exceeds 80 columns
#166: FILE: drivers/rtc/rtc-nct6694.c:97:
+	struct nct6694_rtc_cmd0 *buf = (struct nct6694_rtc_cmd0 *)data->xmit_buf;

WARNING: line length of 81 exceeds 80 columns
#187: FILE: drivers/rtc/rtc-nct6694.c:118:
+	struct nct6694_rtc_cmd1 *buf = (struct nct6694_rtc_cmd1 *)data->xmit_buf;

WARNING: line length of 81 exceeds 80 columns
#211: FILE: drivers/rtc/rtc-nct6694.c:142:
+	struct nct6694_rtc_cmd1 *buf = (struct nct6694_rtc_cmd1 *)data->xmit_buf;

WARNING: line length of 81 exceeds 80 columns
#227: FILE: drivers/rtc/rtc-nct6694.c:158:
+static int nct6694_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled)

WARNING: line length of 81 exceeds 80 columns
#230: FILE: drivers/rtc/rtc-nct6694.c:161:
+	struct nct6694_rtc_cmd2 *buf = (struct nct6694_rtc_cmd2 *)data->xmit_buf;

WARNING: line length of 81 exceeds 80 columns
#258: FILE: drivers/rtc/rtc-nct6694.c:189:
+	struct nct6694_rtc_cmd2 *buf = (struct nct6694_rtc_cmd2 *)data->xmit_buf;

WARNING: line length of 81 exceeds 80 columns
#315: FILE: drivers/rtc/rtc-nct6694.c:246:
+		return dev_err_probe(&pdev->dev, ret, "Failed to request irq\n");

WARNING: From:/Signed-off-by: email address mismatch: 'From: Ming Yu <a0282524688@gmail.com>' != 'Signed-off-by: Ming Yu <tmyu0@nuvoton.com>'

total: 0 errors, 12 warnings, 1 checks, 293 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 efbfdeb52c44 ("rtc: Add Nuvoton NCT6694 RTC support") 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, 12 warnings, 1 checks, 293 lines checked