From nobody Tue Feb 10 04:23:09 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0E45F1327FC for ; Wed, 27 Mar 2024 15:48:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711554506; cv=none; b=mr4/aYVb2Jj51wkLmFfHkLDYEwSuBRbVQL+EpqCSPYqYJ58UgFpuLuPHNbpKfHZ2dGQ964tE5xx0JNbm0ojvQPqmyx8tLXj+b+ifXPSQ88aErSvXKBJNYFINHU+REKdKVCprCRQCZR5sLspv+XNHJW6E7sULbQGWZviuM/bR6w4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711554506; c=relaxed/simple; bh=G8Du/nKE3EQGqBI4paXDN1AIdNVl4glAliWu+H6P45c=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=s8GrVma+9ZlVg7+CztTI4+kpsChSFvIZYAh0sXQMDSwRHO3sHKkw7VowYrrrP56+7Zh1gcrPhymfLOCwd+KEO0iYqFKFQZuPqz03DSbqzGMfW0vmy86XaF/Xx4TugFAH/rJ1VSCLG4f6kVRochJ54MjUqQhPS7rscrYs4SWD7M0= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=rJaykR9+; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="rJaykR9+" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 16D24C433F1; Wed, 27 Mar 2024 15:48:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1711554505; bh=G8Du/nKE3EQGqBI4paXDN1AIdNVl4glAliWu+H6P45c=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=rJaykR9+OUNmZr8FxTeTlU3uWMWDqdwYbp3icdv9jf2Q6hJMBgQDEBGpikt5hRtAf 6La3dI3Nq+RMa6s+5yvwewnzw/JWkIbLhukmqq88cKYBgWA56MFnJxYJhIzMCCsrT2 tdnL14om1dRM4/C9RQxh1xS4SJzqci0pX/fYmssovPrdEpAZMqbn7/lp2XLV1/dygo EysNPjAnNgZK+erhl7WXhr0hfGBWQCY+0wU14BCX9wAa3Y4YXsYbJ/pLBU+c6/WDy1 /xyzq1sIy9qXQAFVpd4QGDCQC3F/7gyOAzQzskObCZ25XfFaGsPFxoSm6YPYymed7k Blh/EcdKYg7og== From: Jisheng Zhang To: Paul Walmsley , Palmer Dabbelt , Albert Ou , Daniel Lezcano , Thomas Gleixner Cc: linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 3/3] clocksource/drivers/timer-clint: Add set_state_oneshot_stopped Date: Wed, 27 Mar 2024 23:35:02 +0800 Message-ID: <20240327153502.2133-4-jszhang@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240327153502.2133-1-jszhang@kernel.org> References: <20240327153502.2133-1-jszhang@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" To avoid spurious timer interrupts when KTIME_MAX is used, we need to configure set_state_oneshot_stopped(). Although implementing this is optional, it still affects things like power management for the extra timer interrupt. Check commit 8fff52fd5093 ("clockevents: Introduce CLOCK_EVT_STATE_ONESHOT_STOPPED state") for more information. Signed-off-by: Jisheng Zhang --- drivers/clocksource/timer-clint.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/clocksource/timer-clint.c b/drivers/clocksource/timer-= clint.c index 56cf6c672e6d..f5c04520d6b1 100644 --- a/drivers/clocksource/timer-clint.c +++ b/drivers/clocksource/timer-clint.c @@ -134,6 +134,7 @@ static DEFINE_PER_CPU(struct clock_event_device, clint_= clock_event) =3D { .rating =3D 100, .set_next_event =3D clint_clock_next_event, .set_state_shutdown =3D clint_clock_shutdown, + .set_state_oneshot_stopped =3D clint_clock_shutdown, }; =20 static int clint_timer_starting_cpu(unsigned int cpu) --=20 2.43.0