linux-kernel - R rtc-ab-eoz9.c alarm hours work only between 00:00

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Message-ID:
 <AM8PR07MB74750FE9B3F733C13D3CF9768EEA2@AM8PR07MB7475.eurprd07.prod.outlook.com>
Date: Tue, 21 May 2024 07:00:57 +0000
From: Erkkilä Taneli <Taneli.Erkkila@...c.fi>
To: "alexandre.belloni@...tlin.com" <alexandre.belloni@...tlin.com>
CC: "linux-rtc@...r.kernel.org" <linux-rtc@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: R rtc-ab-eoz9.c alarm hours work only between 00:00 - 19:59

Driver uses only first 4 bits from "alarm hour"(ABEOZ9_BIT_ALARM_HOURS) that makes it work only between 00:00-19:59. Fifth bit tells alarm time between 20:00-23:59 and it is ignored.


Index: linux-imx/drivers/rtc/rtc-ab-eoz9.c
===================================================================
--- linux-imx.orig/drivers/rtc/rtc-ab-eoz9.c
+++ linux-imx/drivers/rtc/rtc-ab-eoz9.c
@@ -64,7 +64,7 @@
#define ABEOZ9_BIT_ALARM_MIN                                             GENMASK(6, 0)
#define ABEOZ9_REG_ALARM_HOURS                                      0x12
#define ABEOZ9_BIT_ALARM_HOURS_PM  BIT(5)
-#define ABEOZ9_BIT_ALARM_HOURS                                       GENMASK(4, 0)
+#define ABEOZ9_BIT_ALARM_HOURS                                      GENMASK(5, 0)
#define ABEOZ9_REG_ALARM_DAYS                                          0x13
#define ABEOZ9_BIT_ALARM_DAYS                                            GENMASK(5, 0)
#define ABEOZ9_REG_ALARM_WEEKDAYS  0x14