From ae8b3e10087af04a33c024643342e017fd0eb134 Mon Sep 17 00:00:00 2001 From: Alexandre Belloni Date: Mon, 19 Oct 2026 23:18:02 +0200 Subject: rtc: introduce rtc_device.ops_lock guard() Add guard class for rtc_device.ops_lock locks. This allows to simplify error handling in interrupt handlers. Link: https://patch.msgid.link/20261019211827.126262-1-alexandre.belloni@bootlin.com Signed-off-by: Alexandre Belloni --- include/linux/rtc.h | 3 +++ 1 file changed, 3 insertions(+) (limited to 'include/linux') diff --git a/include/linux/rtc.h b/include/linux/rtc.h index 0f43b5027235..169d93520dbd 100644 --- a/include/linux/rtc.h +++ b/include/linux/rtc.h @@ -168,6 +168,9 @@ struct rtc_device { #define rtc_lock(d) mutex_lock(&d->ops_lock) #define rtc_unlock(d) mutex_unlock(&d->ops_lock) +DEFINE_GUARD(rtc_ops, struct rtc_device *, mutex_lock(&_T->ops_lock), + mutex_unlock(&_T->ops_lock)) + /* useful timestamps */ #define RTC_TIMESTAMP_BEGIN_0000 -62167219200ULL /* 0000-01-01 00:00:00 */ #define RTC_TIMESTAMP_BEGIN_1900 -2208988800LL /* 1900-01-01 00:00:00 */ -- cgit v1.2.3