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Thu, 30 Jul 2026 14:13:33 +0000 (UTC) X-Virus-Scanned: amavis at osuosl.org Received: from smtp1.osuosl.org ([127.0.0.1]) by localhost (smtp1.osuosl.org [127.0.0.1]) (amavis, port 10024) with ESMTP id 9u8IB09o-vj8 for ; Thu, 30 Jul 2026 14:13:32 +0000 (UTC) Received-SPF: Pass (mailfrom) identity=mailfrom; client-ip=121.127.44.66; helo=smtp.forwardemail.net; envelope-from=srs0=f707=fz=kwiboo.se=jonas@fe-bounces.kwiboo.se; receiver= DMARC-Filter: OpenDMARC Filter v1.4.2 smtp1.osuosl.org 49E9B810B8 DKIM-Filter: OpenDKIM Filter v2.11.0 smtp1.osuosl.org 49E9B810B8 Received: from smtp.forwardemail.net (smtp.forwardemail.net [121.127.44.66]) by smtp1.osuosl.org (Postfix) with ESMTPS id 49E9B810B8 for ; Thu, 30 Jul 2026 14:13:32 +0000 (UTC) X-Forward-Email-ID: 6a6b5c09a254ae338c091787 X-Forward-Email-Sender: rfc822; jonas@kwiboo.se, smtp.forwardemail.net, 121.127.44.66 X-Forward-Email-Version: 2.12.3 X-Forward-Email-Website: https://forwardemail.net X-Complaints-To: abuse@forwardemail.net X-Report-Abuse: abuse@forwardemail.net X-Report-Abuse-To: abuse@forwardemail.net From: Jonas Karlman To: Quentin Schulz , Kever Yang , Tom Rini , Ilias Apalodimas , Lukasz Majewski , Simon Glass Cc: u-boot@lists.u-boot-project.org, Jonas Karlman Subject: [PATCH 08/15] clk: rockchip: rk3588: Fix possible divide by zero Date: Thu, 30 Jul 2026 14:12:57 +0000 Message-ID: <20260730141308.1218014-9-jonas@kwiboo.se> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260730141308.1218014-1-jonas@kwiboo.se> References: <20260730141308.1218014-1-jonas@kwiboo.se> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Mailman-Original-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kwiboo.se; h=Content-Transfer-Encoding: MIME-Version: References: In-Reply-To: Message-ID: Date: Subject: Cc: To: From; q=dns/txt; s=fe-e1b5cab7be; t=1785420811; bh=iwHmtUIp8xfvpUgWGNK6I+/PgXDCU1fRSL/2HXhlwaU=; b=UUMzUecnIrqCNjIkDqFapYkR5G6xzO3KzxK1H/kqDmzchEFZ3IAZV1EbCC5DBcSet2/92UpE5 8fMKZaRyKHU4FfLB+18sI/9uI2b6ssPaW3h8xshSlypWM3iqa8+HGfB2pUZ6TlkQW3Vkaue0eq0 ks5wnGjsYhp+N6p8dNfZlvFBuNiP3xjaorCfpaEp2+uht6ngCVqIlvAf6AJQgHTocbIPsRCP5Yc Akkkir5R8/oQ5/xGg9SZJayu/xTCqTfcFJ1VURTK/11IvDgnWbY8SdkEEu/cAg+3UyQsJaK6TG5 9f6euYOqB62kE1zmboLLAi7MxoSHF0DgNnn2nT5zmONg== X-Mailman-Original-Authentication-Results: smtp1.osuosl.org; dmarc=pass (p=quarantine dis=none) header.from=kwiboo.se X-Mailman-Original-Authentication-Results: smtp1.osuosl.org; dkim=pass (2048-bit key) header.d=kwiboo.se header.i=@kwiboo.se header.a=rsa-sha256 header.s=fe-e1b5cab7be header.b=UUMzUecn X-BeenThere: u-boot@lists.u-boot-project.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.u-boot-project.org Sender: "U-Boot" The best rate handling of rk3588_dclk_vop_set_clk() may unintentionally trigger a divide by zero when V0PLL is tested as parent. Instead, fully skip rate calculation when testing using V0PLL as parent to avoid a divide by zero error. Signed-off-by: Jonas Karlman --- drivers/clk/rockchip/clk_rk3588.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/clk/rockchip/clk_rk3588.c b/drivers/clk/rockchip/clk_rk3588.c index 157a02e011a5..d03ca9c4ac8d 100644 --- a/drivers/clk/rockchip/clk_rk3588.c +++ b/drivers/clk/rockchip/clk_rk3588.c @@ -1165,8 +1165,8 @@ static ulong rk3588_dclk_vop_set_clk(struct rk3588_clk_priv *priv, pll_rate = priv->aupll_hz; break; case DCLK_VOP_SRC_SEL_V0PLL: - pll_rate = 0; - break; + /* Skip V0PLL as parent for best_rate mode */ + continue; default: printf("do not support this vop pll sel\n"); return -EINVAL; -- 2.54.0