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[22/29] rtc: add new RTC_FEATURE_ALARM_WAKEUP_ONLY feature

Message ID	20220309162301.61679-22-alexandre.belloni@bootlin.com
State	Accepted
Headers	show Return-Path: <linux-rtc-owner@vger.kernel.org> sender: alexandre.belloni@bootlin.com) by mail.gandi.net (Postfix) with ESMTPSA id 96AE41C0008; Wed, 9 Mar 2022 16:23:33 +0000 (UTC) From: Alexandre Belloni <alexandre.belloni@bootlin.com> To: Alessandro Zummo <a.zummo@towertech.it>, Alexandre Belloni <alexandre.belloni@bootlin.com> Cc: linux-rtc@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 22/29] rtc: add new RTC_FEATURE_ALARM_WAKEUP_ONLY feature Date: Wed, 9 Mar 2022 17:22:53 +0100 Message-Id: <20220309162301.61679-22-alexandre.belloni@bootlin.com> In-Reply-To: <20220309162301.61679-1-alexandre.belloni@bootlin.com> References: <20220309162301.61679-1-alexandre.belloni@bootlin.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk
Series	[01/29] rtc: ds1685: switch to RTC_FEATURE_UPDATE_INTERRUPT \| expand [01/29] rtc: ds1685: switch to RTC_FEATURE_UPDATE_INTERRUPT [02/29] rtc: ds1685: drop no_irq [03/29] rtc: ds1307: switch to RTC_FEATURE_UPDATE_INTERRUPT [04/29] rtc: mpc5121: let the core handle the alarm resolution [05/29] rtc: mpc5121: switch to RTC_FEATURE_UPDATE_INTERRUPT [06/29] rtc: m41t80: switch to RTC_FEATURE_UPDATE_INTERRUPT [07/29] rtc: opal: switch to RTC_FEATURE_UPDATE_INTERRUPT [08/29] rtc: pcf2123: switch to RTC_FEATURE_UPDATE_INTERRUPT [09/29] rtc: pcf2123: set RTC_FEATURE_ALARM_RES_MINUTE [10/29] rtc: pcf2127: switch to RTC_FEATURE_UPDATE_INTERRUPT [11/29] rtc: pcf2127: set RTC_FEATURE_ALARM_RES_2S [12/29] rtc: pcf85063: switch to RTC_FEATURE_UPDATE_INTERRUPT [13/29] rtc: pcf85063: set RTC_FEATURE_ALARM_RES_2S [14/29] rtc: pcf8523: switch to RTC_FEATURE_UPDATE_INTERRUPT [15/29] rtc: pcf8523: let the core handle the alarm resolution [16/29] rtc: pcf8563: let the core handle the alarm resolution [17/29] rtc: pcf8563: switch to RTC_FEATURE_UPDATE_INTERRUPT [18/29] rtc: spear: switch to devm_rtc_allocate_device [19/29] rtc: spear: set range [20/29] rtc: spear: drop uie_unsupported [21/29] rtc: spear: fix spear_rtc_read_time [22/29] rtc: add new RTC_FEATURE_ALARM_WAKEUP_ONLY feature [23/29] rtc: efi: switch to devm_rtc_allocate_device [24/29] rtc: efi: switch to RTC_FEATURE_UPDATE_INTERRUPT [25/29] rtc: hym8563: switch to devm_rtc_allocate_device [26/29] rtc: hym8563: let the core handle the alarm resolution [27/29] rtc: hym8563: switch to RTC_FEATURE_UPDATE_INTERRUPT [28/29] rtc: xgene: stop using uie_unsupported [29/29] rtc: remove uie_unsupported

Commit Message

Alexandre Belloni March 9, 2022, 4:22 p.m. UTC

Some RTCs have an IRQ pin that is not connected to a CPU interrupt but
rather directly to a PMIC or power supply. In that case, it is still useful
to be able to set alarms but we shouldn't expect interrupts.

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
---
 include/uapi/linux/rtc.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff mbox series

Patch

diff --git a/include/uapi/linux/rtc.h b/include/uapi/linux/rtc.h
index 03e5b776e597..97aca4503a6a 100644
--- a/include/uapi/linux/rtc.h
+++ b/include/uapi/linux/rtc.h
@@ -133,7 +133,8 @@  struct rtc_param {
 #define RTC_FEATURE_UPDATE_INTERRUPT	4
 #define RTC_FEATURE_CORRECTION		5
 #define RTC_FEATURE_BACKUP_SWITCH_MODE	6
-#define RTC_FEATURE_CNT			7
+#define RTC_FEATURE_ALARM_WAKEUP_ONLY	7
+#define RTC_FEATURE_CNT			8
 
 /* parameter list */
 #define RTC_PARAM_FEATURES		0