From nobody Thu Apr 9 21:51:17 2026 Received: from mail-lj1-f169.google.com (mail-lj1-f169.google.com [209.85.208.169]) (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 A48AF231A23 for ; Thu, 5 Mar 2026 13:16:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.208.169 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772716605; cv=none; b=pPedCK+N8cSPhVaiW20OEYaoWQgM9pnOxUvFmu5sgIbUR5qyijT9pJ7c28yP8yGaZLpFsKi4w2FbjTIdouKi+q7oRcGDm4BQ14IuNAaJIR9sC1IXWDzo6/H7+0mRjdeFBlwMnT9aA1OfXKKmy5aBhx23bxKNUQ+TqdtznEGi/bU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772716605; c=relaxed/simple; bh=Xmwpt63dFCWo8nmG1TWJk7Eo89fada5fAtwBIJjQKZc=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=b8F34p0OEVc/eOKQuffy4p2XuOMHgeNLIeqOmanwMZPq/ecc5Su3dSsUrKB6Jibx0So4Irc0E6iKNcPb1P1UXpeyGf/lPm/7Zz+YNEwDsxyCpPNz/9Z1Q2aUD1t6E6ZkL4WmDks+R+JxrL62t4AEwKnN8+VlAgu+j/pzA82kEbI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=C1pEte7V; arc=none smtp.client-ip=209.85.208.169 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="C1pEte7V" Received: by mail-lj1-f169.google.com with SMTP id 38308e7fff4ca-386fb2c31e2so140983901fa.1 for ; Thu, 05 Mar 2026 05:16:43 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1772716601; x=1773321401; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=xs6QwGvNwXN+Yconf6GGtRihUgZX18HvE5vVBmbHDpg=; b=C1pEte7VlZVU1/IT8BVdRDtZ9VBZc0N8ayaK36zLWoCo08txXe4q/V/OrNvHvbsnpI ZU9tLIGYpiN5tz8qCHOVHgvlNuQZ+9txulCNZLzVpW40nYbw64HZYbSL3G5W8Uz8ytWt ncWwNSZqddD8kTmArpqdjHkJVpbbWYaW92NzKQ9+tPAwGUAkAR4Lyh99ZXkr3FnYkOwl IfvzvQJwnbSXu37Oo6H3HxTzvVsBanchV5ain/bx0vyaoucB9TLSTVP4nuNL8BOwYBK7 2v7bjA2ZHP8f/06/EabTZJWlz/R15zrgyoMIWi3L0eQZASBDstV3+5BRs0kupWOLmoRg ZNsg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1772716601; x=1773321401; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-gg:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=xs6QwGvNwXN+Yconf6GGtRihUgZX18HvE5vVBmbHDpg=; b=rDg0gP1J/o1Hg+KSTCwhk9vJ19VmYnXWghaGORtR3whtgF9/O0C/QUWZEPmLrssGLH yeSN9vD79h2JRCYzqhyRCdV5tJF97/kJ3A9Wkz5yPBPXcbIVj9RnF4kierxn4w4AEv19 xnHuB/DlnSOREPo5XEHlr3uNCpCYMRdw5Jyecjtpz4oW9Ufd6GMpzWRIy6EQoAavIh+6 TbVG38LqpwC+77mbiacxljndIZSkyiYqUD3NzwthTG9NQITFkgk/S88jvsiEADUowCQu EXYXX72F7NTfnPPu+r4TXtwOFm21BN9Mt93KtF9zCumNTxoinGsseOjwX455Gb/cH/2G MM4g== X-Gm-Message-State: AOJu0YzDn6FGqvGRTPf3LTDbEFA3HkNcXVq4Pn48uUA2h19KX66CBOxo 4Zj8RoPG/v+PdK6k3UA0uDiPynQ4ajmKWHWRe0sE0PMiT4knV1sJQb2idvvKoQ== X-Gm-Gg: ATEYQzy3NVqUAqw0gl2WF8Pv1CaaDT1Gd036sc/7cqRLLHz8JtsafF7lTdEZEfAYbGD o6sMjO0y28QKbkfFH4cFVM51NyuTCv335y0N53q0dEpRo06rAB6mlReik7aMn+nkovGeXDX5Q0H FtKJM8ItQZd7jn99FoYQjlgcyexhpT+WhheqlduYyI6b3Lqnd+JotRBDKrDEU9F7I/E/RqUapyF pRJ2JcMafN0dpZy1pGgcRhjq5RXSLIn9q3mAbcyeowwyO53ppbdPekYiaV+LCRIkQjk4SHvnC9w B8OqE6ucJkTnXzQZurJ94+gu+ZJD0wysAzJtYSPldvo9YkoCsEWQcXhPDrDkeG20RQG8ubgUOVG NUYTdy1E+GBG1O42AMBSQOuBDmhQCd4Qlg6FEVy5801310feKhEwtCYrJK//7cE5hhqui058PEm qzov08oxrBOEe++DjNKziIoMENOUKiKp3Vq4rQhQY= X-Received: by 2002:a05:651c:3050:b0:38a:a2b:5ef7 with SMTP id 38308e7fff4ca-38a2c5a90bemr29115221fa.15.1772716601069; Thu, 05 Mar 2026 05:16:41 -0800 (PST) Received: from gentoo.sknt.ru ([95.161.221.172]) by smtp.gmail.com with ESMTPSA id 38308e7fff4ca-38a3ad7e74fsm292011fa.35.2026.03.05.05.16.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 05 Mar 2026 05:16:40 -0800 (PST) From: Alexander Shiyan To: linux-kernel@vger.kernel.org Cc: linux-media@vger.kernel.org, Sakari Ailus , Mauro Carvalho Chehab , Alexander Shiyan Subject: [PATCH] media: ccs-pll: Fix pre-PLL divider calculation for EXT_IP_PLL_DIVIDER flag Date: Thu, 5 Mar 2026 16:16:37 +0300 Message-ID: <20260305131637.2572615-1-eagle.alexander923@gmail.com> X-Mailer: git-send-email 2.52.0 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" When the CCS_PLL_FLAG_EXT_IP_PLL_DIVIDER flag is set, odd pre-PLL divider values are allowed. However, in the operational timing branch the calculation of the minimum pre-PLL divider incorrectly uses clk_div_even_up, forcing the minimum value to be even, even if the flag is set. This prevents selecting a valid odd divider like 3, which may be required for certain sensor configurations. Fix this by removing the forced even rounding from the minimum pre-PLL divider calculation. The loop later uses the flag to determine the step, so odd values will be considered when the flag is set. Signed-off-by: Alexander Shiyan --- drivers/media/i2c/ccs-pll.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/media/i2c/ccs-pll.c b/drivers/media/i2c/ccs-pll.c index 4eb83636e102..1605cfa5db19 100644 --- a/drivers/media/i2c/ccs-pll.c +++ b/drivers/media/i2c/ccs-pll.c @@ -824,9 +824,8 @@ int ccs_pll_calculate(struct device *dev, const struct = ccs_pll_limits *lim, op_lim_fr->min_pll_ip_clk_freq_hz)); min_op_pre_pll_clk_div =3D max_t(u16, op_lim_fr->min_pre_pll_clk_div, - clk_div_even_up( - DIV_ROUND_UP(pll->ext_clk_freq_hz, - op_lim_fr->max_pll_ip_clk_freq_hz))); + DIV_ROUND_UP(pll->ext_clk_freq_hz, + op_lim_fr->max_pll_ip_clk_freq_hz)); dev_dbg(dev, "pre-pll check: min / max op_pre_pll_clk_div: %u / %u\n", min_op_pre_pll_clk_div, max_op_pre_pll_clk_div); =20 --=20 2.52.0