From nobody Thu Oct 9 17:07:41 2025 Received: from layka.disroot.org (layka.disroot.org [178.21.23.139]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B9D722EE287; Tue, 17 Jun 2025 16:26:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=178.21.23.139 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750177564; cv=none; b=ot/cVbF8AqaPQ0HyZY06PW1B7ocKtGqSvHKbuL7NORbQPzY6VEn2FY2BpIdA/3LXCWRUqJMNsQFrAvypI+d3W4KQ56wsCty09VZJGYZZmXjNYeOi2ix675ijO24sB7LW2hi2ohCevPsq6zqFI1acSivY2dFy3KBVUFZ4JxJ2jiE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750177564; c=relaxed/simple; bh=hVpvRGbKFKtFx1BRcVBUOZPuHWI/E7Qle7Kn2K+uayU=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=K9yao3NXxXnqqys3+s/RC8tEavsvvXyn9gqXOwQOK44eqQCGiWEFriiY3zmuLiMEH4alONpzJtIXHxTQOPhRXLO34ovPiCY0CXT/qbRa99+vAhhKjf1NPwqXWU3klId4wPPKaYizd5VRLZm746V5446/knJlDNDhdfrArlJm+A8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=disroot.org; spf=pass smtp.mailfrom=disroot.org; dkim=pass (2048-bit key) header.d=disroot.org header.i=@disroot.org header.b=XQaWgLdg; arc=none smtp.client-ip=178.21.23.139 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=disroot.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=disroot.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=disroot.org header.i=@disroot.org header.b="XQaWgLdg" Received: from mail01.disroot.lan (localhost [127.0.0.1]) by disroot.org (Postfix) with ESMTP id 3E47425CE1; Tue, 17 Jun 2025 18:26:01 +0200 (CEST) X-Virus-Scanned: SPAM Filter at disroot.org Received: from layka.disroot.org ([127.0.0.1]) by localhost (disroot.org [127.0.0.1]) (amavis, port 10024) with ESMTP id 6U7ouOmMD5_m; Tue, 17 Jun 2025 18:26:00 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=disroot.org; s=mail; t=1750177560; bh=hVpvRGbKFKtFx1BRcVBUOZPuHWI/E7Qle7Kn2K+uayU=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=XQaWgLdgMX6bWjB9ziBBD1yJ0zBnIbfl7hw/2+XwS7fpl6En3RrW1/rd+Sm3tnllb uhdsNIByUGzPJpaynwq0+94VcbZAyT2Xnh24kdApGFRh/IFJklCisnumA0NHDp6gUh sJPrEilrSEzjCz/ZoCH1Jpg9VRY+D1lQ2+MpsHzO+pjuZWfL92B/s1R4ZpR0J9bl9g HDC2JOL0HJQLBEecaUETuNAQSn1Qf2q7S9ED2P2J69tEVly1EN/PdjtIcGz2BjKxVE Ehh/dmx0KA5WmvRsfLG/FWLLKaKr01VhxbO8rDnhyf0eM9L1P17Uurv70ubc3mdWxb KdLhJf89s0NvA== From: Yao Zi To: Yinbo Zhu , Michael Turquette , Stephen Boyd , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Huacai Chen , WANG Xuerui Cc: linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, loongarch@lists.linux.dev, Mingcong Bai , Kexy Biscuit , Yao Zi Subject: [PATCH v2 4/8] clk: loongson2: Allow zero divisors for dividers Date: Tue, 17 Jun 2025 16:24:22 +0000 Message-ID: <20250617162426.12629-5-ziyao@disroot.org> In-Reply-To: <20250617162426.12629-1-ziyao@disroot.org> References: <20250617162426.12629-1-ziyao@disroot.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" Loongson 2K0300 and 2K0500 ship divider clocks which allows zero divisors, in which case the divider acts the same as one is specified. Let's pass CLK_DIVIDER_ALLOW_ZERO when registering divider clocks to prepare for future introduction of these clocks. Signed-off-by: Yao Zi --- drivers/clk/clk-loongson2.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/clk/clk-loongson2.c b/drivers/clk/clk-loongson2.c index bba97270376c..7a916c7d2718 100644 --- a/drivers/clk/clk-loongson2.c +++ b/drivers/clk/clk-loongson2.c @@ -361,7 +361,8 @@ static int loongson2_clk_probe(struct platform_device *= pdev) p->parent_name, 0, clp->base + p->reg_offset, p->div_shift, p->div_width, - CLK_DIVIDER_ONE_BASED, + CLK_DIVIDER_ONE_BASED | + CLK_DIVIDER_ALLOW_ZERO, &clp->clk_lock); break; case CLK_TYPE_GATE: --=20 2.49.0