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Mon, 24 Jun 2024 03:24:28 -0700 (PDT) Received: from localhost.localdomain ([2001:b07:aac:705d:6ec5:53d3:2412:2d96]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-3663a2f6af9sm9685315f8f.73.2024.06.24.03.24.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 24 Jun 2024 03:24:27 -0700 (PDT) From: Emanuele Ghidoli To: alexandre.belloni@bootlin.com, linux-kernel@vger.kernel.org, linux-rtc@vger.kernel.org, linux-kselftest@vger.kernel.org, shuah@kernel.org Cc: Emanuele Ghidoli , jjang@nvidia.com, kobak@nvidia.com, mochs@nvidia.com Subject: [PATCH v1 2/2] selftests: rtc: rtctest: skip alarm test if alarm resolution is one minute Date: Mon, 24 Jun 2024 12:23:54 +0200 Message-Id: <20240624102354.894871-3-ghidoliemanuele@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240624102354.894871-1-ghidoliemanuele@gmail.com> References: <20240624102354.894871-1-ghidoliemanuele@gmail.com> Precedence: bulk X-Mailing-List: linux-rtc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Emanuele Ghidoli There are two types of alarm tests: one that tests alarms on minute boundaries and another that tests alarms on second boundaries. For RTCs with one-minute resolution, only the minute boundary test should be run. Skip the second boundary alarm test for these RTCs. Signed-off-by: Emanuele Ghidoli --- tools/testing/selftests/rtc/rtctest.c | 30 +++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) diff --git a/tools/testing/selftests/rtc/rtctest.c b/tools/testing/selftests/rtc/rtctest.c index 63ce02d1d5cc..d741a548ef76 100644 --- a/tools/testing/selftests/rtc/rtctest.c +++ b/tools/testing/selftests/rtc/rtctest.c @@ -82,6 +82,22 @@ static void nanosleep_with_retries(long ns) } } +static int rtc_get_features(int fd, uint64_t *features) +{ + struct rtc_param param = { 0 }; + int rc; + + param.param = RTC_PARAM_FEATURES; + param.index = 0; + rc = ioctl(fd, RTC_PARAM_GET, ¶m); + if (rc < 0) + return rc; + + *features = param.uvalue; + + return 0; +} + TEST_F_TIMEOUT(rtc, date_read_loop, READ_LOOP_DURATION_SEC + 2) { int rc; long iter_count = 0; @@ -197,6 +213,13 @@ TEST_F(rtc, alarm_alm_set) { fd_set readfds; time_t secs, new; int rc; + int rc_feat; + uint64_t rtc_feat; + + rc_feat = rtc_get_features(self->fd, &rtc_feat); + + if (!rc_feat && (rtc_feat & _BITUL(RTC_FEATURE_ALARM_RES_MINUTE))) + SKIP(return, "Skipping test since only one minute resolution alarms are supported."); if (self->fd == -1 && errno == ENOENT) SKIP(return, "Skipping test since %s does not exist", rtc_file); @@ -255,6 +278,13 @@ TEST_F(rtc, alarm_wkalm_set) { fd_set readfds; time_t secs, new; int rc; + int rc_feat; + uint64_t rtc_feat; + + rc_feat = rtc_get_features(self->fd, &rtc_feat); + + if (!rc_feat && (rtc_feat & _BITUL(RTC_FEATURE_ALARM_RES_MINUTE))) + SKIP(return, "Skipping test since only one minute resolution alarms are supported."); if (self->fd == -1 && errno == ENOENT) SKIP(return, "Skipping test since %s does not exist", rtc_file);