From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 8FF0E3403F5; Sat, 12 Sep 2026 08:03:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789200224; cv=none; b=EFZzvwrFLE2kdHzhr9m4m+JvYRTkSvId1WIhbPjhbEBr/0ZG3ww2H9CABMpuamLzU2nzzcK1girHf726/pVhqkn+s4ft7oue06ZBVkV+0nlfGBLIUf4/EW2YOFXBZfGyMAIwhHsucMJqCQo9k7elrO7hsNgG0I2SjRN09hPSH/k= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789200224; c=relaxed/simple; bh=md/XbnZ7oISUosk/v5EqakeKT+TzSdO8Yg87WmiwzCo=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=IM/kDwQMvTuldY4JUhtyS0u1E8/UbIkTuHM53JY49CbebEwqYOO+cesfqw4gfEUnvY7v/JLA+VDSdXOmJWMe2YaE0kjUIt1GPJTWYr3bBN4acKJSARGt8lytFrachzfpUZpP0uhd/7oPxgeM7AXxlS6xgNtE9oF65pYRnNH7eEw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=j34J58Ng; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="j34J58Ng" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 493E71F000FF; Sat, 12 Sep 2026 08:03:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1789200223; bh=0ynOLIVvVNp4TR4z4eA8OWs++yC4BESEdnGF1TLt2Sc=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=j34J58NgNJ22jaQBvyDKG/w4UPoxcay00jc/sy+2HXnMOMQtzmHiGZ76D96xmVNz0 w2elsUagNoyexcib8quV2eVeuvU3yZW2/HdkCF7kWbURiLEYcN25iO30F36lXFtLaC XE2Jn24FBFBB4rGUbm0LlC5otCNcaYFWQg5bgPJI= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Troy Mitchell , Yixun Lan , Sasha Levin Subject: [PATCH 7.2 0729/1815] clk: spacemit: k3: fix missing /2 factor in i2s sysclk dividers Date: Sat, 12 Sep 2026 08:41:19 +0200 Message-ID: <20260912065706.013664630@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260912065648.999753832@linuxfoundation.org> References: <20260912065648.999753832@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 7.2-stable review patch. If anyone has any objections, please let me know. ------------------ From: Troy Mitchell [ Upstream commit 8a7d4b1924d2a424b1a6fe69de4f9464ee1fb485 ] The i2s{0,2,3,4,5}_sysclk_div DDNs have an additional fixed 1/2 divider in the hardware IP after the configurable divider, so the real output rate is: rate = parent_rate * den / (num * 2) Set pre_div to 2 to account for it. Fixes: e371a77255b8 ("clk: spacemit: k3: add the clock tree") Signed-off-by: Troy Mitchell Reviewed-by: Yixun Lan Link: https://patch.msgid.link/20260717-k3-clk-fix-i2s-v1-3-e95001a692ee@linux.spacemit.com Signed-off-by: Yixun Lan Signed-off-by: Sasha Levin --- drivers/clk/spacemit/ccu-k3.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/clk/spacemit/ccu-k3.c b/drivers/clk/spacemit/ccu-k3.c index a82340213763a..e94a5d2687d57 100644 --- a/drivers/clk/spacemit/ccu-k3.c +++ b/drivers/clk/spacemit/ccu-k3.c @@ -236,11 +236,11 @@ CCU_MUX_DEFINE(i2s3_sysclk_sel, i2s_sysclk_parents, MPMU_I2S_SYSCLK_CTRL, 12, 2, CCU_MUX_DEFINE(i2s4_sysclk_sel, i2s_sysclk_parents, MPMU_I2S_SYSCLK_CTRL, 16, 2, 0); CCU_MUX_DEFINE(i2s5_sysclk_sel, i2s_sysclk_parents, MPMU_I2S_SYSCLK_CTRL, 20, 2, 0); -CCU_DDN_DEFINE(i2s0_sysclk_div, i2s0_sysclk_sel, MPMU_I2S0_SYSCLK, 0, 16, 16, 16, 1, 0); -CCU_DDN_DEFINE(i2s2_sysclk_div, i2s2_sysclk_sel, MPMU_I2S2_SYSCLK, 0, 16, 16, 16, 1, 0); -CCU_DDN_DEFINE(i2s3_sysclk_div, i2s3_sysclk_sel, MPMU_I2S3_SYSCLK, 0, 16, 16, 16, 1, 0); -CCU_DDN_DEFINE(i2s4_sysclk_div, i2s4_sysclk_sel, MPMU_I2S4_SYSCLK, 0, 16, 16, 16, 1, 0); -CCU_DDN_DEFINE(i2s5_sysclk_div, i2s5_sysclk_sel, MPMU_I2S5_SYSCLK, 0, 16, 16, 16, 1, 0); +CCU_DDN_DEFINE(i2s0_sysclk_div, i2s0_sysclk_sel, MPMU_I2S0_SYSCLK, 0, 16, 16, 16, 2, 0); +CCU_DDN_DEFINE(i2s2_sysclk_div, i2s2_sysclk_sel, MPMU_I2S2_SYSCLK, 0, 16, 16, 16, 2, 0); +CCU_DDN_DEFINE(i2s3_sysclk_div, i2s3_sysclk_sel, MPMU_I2S3_SYSCLK, 0, 16, 16, 16, 2, 0); +CCU_DDN_DEFINE(i2s4_sysclk_div, i2s4_sysclk_sel, MPMU_I2S4_SYSCLK, 0, 16, 16, 16, 2, 0); +CCU_DDN_DEFINE(i2s5_sysclk_div, i2s5_sysclk_sel, MPMU_I2S5_SYSCLK, 0, 16, 16, 16, 2, 0); static const struct clk_parent_data i2s2_sysclk_parents[] = { CCU_PARENT_HW(i2s1_sysclk), -- 2.53.0