From nobody Thu Jun 25 05:25:04 2026 Received: from mail-wm1-f54.google.com (mail-wm1-f54.google.com [209.85.128.54]) (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 5BCF249551E for ; Wed, 6 May 2026 16:49:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.54 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778086162; cv=none; b=IxbiTxVZwGLeq7DcQmMOTAXJJomLlIFeD+8XAlBN/wRLgmxbSAQ+YmT1lBDPYbNNBw154F0TzM86D/ICU5gBfCnD8g62RSyC6ZeN8QH2Ho8nxVO3O1mxY27JnLZJ38GRUjy6dG2gGa492aGhaMnt71TmsA2hjv3cwvjcRWaJLb0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778086162; c=relaxed/simple; bh=Ic5kVY6Rq8d1btQ9z3kI93gZws6has0O855jspCPo30=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=GZTYDvk2lQ0iRdEajpag35qHHxoADqvnP+YYINqEtTGodHW379GznwyVcREMV5bpuRyoYAfQEtWUhozGc++BGZOMLR7z6U2VJSUcj9tm8WqWovquyPxeJLWTZVPMwNsinh70vGQrvX+BNi5oUN25vsLVDrE+OZKJif7CpeW26ts= 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=X36KRS78; arc=none smtp.client-ip=209.85.128.54 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="X36KRS78" Received: by mail-wm1-f54.google.com with SMTP id 5b1f17b1804b1-488b0046078so59306375e9.1 for ; Wed, 06 May 2026 09:49:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1778086159; x=1778690959; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=zxWuPcuF0UKPqeCZ8y2hNLNnCZzaOu2O0vTDxb6yruo=; b=X36KRS78W6d7jJr13JyeZ1aOQ3EnhXbTn7VL3+ME9sejDevGEWQKucWQHnttvKmZTy nrEB55WREXmiAtUdK7LEN0EY2II9g77XxsYCHFYElpWYpd21s7UmZmot9Uwxhy0RU1Tt BQn89d8Xy43iOH8Mr/yFc+AOlYzXLliiydNpydpj0+JhyfstUxVOJ+X/pYlJl7EICegA 5BxnmQmx0Flq0sbjUfuLQ/wKL2S717o6choYfkU9e7n9ATC+ibKu/MqwM4/XBD0gtzNv 8RGOhGrX8HzEkD4AsD8sqsYazKYeKP6npzUQDAoLbPHeg9NaXQjQEc51sI6Bh5pOC8fJ ZWvw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1778086159; x=1778690959; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=zxWuPcuF0UKPqeCZ8y2hNLNnCZzaOu2O0vTDxb6yruo=; b=srdxEe52kWn9+pLD5oyrbwfFQoc9uc+YbOBbB/zJoH6ZvgcWiawHeYFJVl5yJmIGRH CAPAZ7xliqR/IDMlt8bloIwPa2BK2atmO4ehurJyjFqJQCZaB0JbAb4WEmZaDkQRqFON jjty7n9MpNuAo/rjekO2m2xygkS+O4BZ9aPHyazzsHb2vkbcIUvXBIBKUWb8dlTXqvz8 2iT92uCVa7j1ClfRGFSCsLob1mRnwyW5Z9BMcjzqrg7li227Cr7c1EvGDEgrbkf2qhlI q3OPj3UnHdJcLdLeCSyMXAppx+bggw+KuQVfaT2V+pKF4vDl4oqqSDOaYbJ5V98kSXil LsJA== X-Forwarded-Encrypted: i=1; AFNElJ/xQMCmfieT5R6X8r+Ck/fmqJXNrZUIpd6DQojScL+DzOHraYYbjGk75Lsce9VarSVuzC6cFoIOrFtr5fQ=@vger.kernel.org X-Gm-Message-State: AOJu0YxAU8/5qSOSB5AROAtFz6F6BxOGmcxMhB/omYadYPe866duWsge vmMkpIwxQze33jqLCHSEqbRTy4tHJQBbPBK7lre2Bn754cZ5hACSXM5sT2DC1Hxm X-Gm-Gg: AeBDieuy821VpUXAGfdobgqksJbRwHXHaQhzbJXIXWW/1JuxNExGNDqnhG3qamEbt41 iIZNH+hCogrVkhR5TaN6jHvyPVNicUSYGyZBiZtV49vPHO78h1fxO2MKSE7l2zGpQqGOoJInlsY hLEUUlpBg0lVfuLaQxmWkORLBQLULykiva74HRcjRKKuTlqrNMISJz+VLN5RblBYfRmCo5GLbaM bKpQD0rorNDYqSqndQXLz7KaMoRRurDDYT/o7k8iHJwBzNWvYxDT/NF7Pco3V0kX5pFknpAJ0U1 lae9z1J1KETnSAir02VaOeNu2E+RbKO1ZA4xMTruTqONM99e+eeUZ7cSTdfl+8drhGBlk+RoLaS ME5U7JM9g2qEhsTzJQ4+QG3ARigS1LY2S1M98pUIIdUXy+JqBc5cMXTIv+WdxvC7XC/3GnRbOQC 6xPIVbENTrKCbZ7PBI8QwwWhATCp+QXXvyWNpRzqpI6gMX276fzIo3OFMc+f3ZfrMsJR6p7/F8c snYWDoHxzer+ELL9Gxbp3AP9kyKmS9rU7q0Q61zLoQ/BiTWHK7Jn0OkfH/CQwNpcuTi X-Received: by 2002:a05:600c:c082:b0:485:3ec6:e634 with SMTP id 5b1f17b1804b1-48e51f327fbmr52468335e9.15.1778086158703; Wed, 06 May 2026 09:49:18 -0700 (PDT) Received: from iku.example.org ([2a06:5906:61b:2d00:3dcb:40a8:a5b9:2327]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-48e530fdc50sm33060795e9.5.2026.05.06.09.49.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 06 May 2026 09:49:18 -0700 (PDT) From: Prabhakar X-Google-Original-From: Prabhakar To: Alexandre Belloni , Claudiu Beznea , Geert Uytterhoeven Cc: linux-rtc@vger.kernel.org, linux-renesas-soc@vger.kernel.org, linux-kernel@vger.kernel.org, Prabhakar , Biju Das , Fabrizio Castro , Lad Prabhakar Subject: [PATCH 2/5] rtc: renesas-rtca3: Check RADJ poll result during initial setup Date: Wed, 6 May 2026 17:49:11 +0100 Message-ID: <20260506164914.3987293-3-prabhakar.mahadev-lad.rj@bp.renesas.com> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260506164914.3987293-1-prabhakar.mahadev-lad.rj@bp.renesas.com> References: <20260506164914.3987293-1-prabhakar.mahadev-lad.rj@bp.renesas.com> 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" From: Lad Prabhakar In rtca3_initial_setup(), the driver clears the RTCA3_RADJ register and waits for it to reach zero using readb_poll_timeout(). Check the return value of readb_poll_timeout() and propagate the error if the poll fails. Signed-off-by: Lad Prabhakar Reviewed-by: Claudiu Beznea Tested-by: Claudiu Beznea # on RZ/G3S --- drivers/rtc/rtc-renesas-rtca3.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/rtc/rtc-renesas-rtca3.c b/drivers/rtc/rtc-renesas-rtca= 3.c index 2dc080d0eb6c..af2a3878289e 100644 --- a/drivers/rtc/rtc-renesas-rtca3.c +++ b/drivers/rtc/rtc-renesas-rtca3.c @@ -634,6 +634,8 @@ static int rtca3_initial_setup(struct clk *clk, struct = rtca3_priv *priv) writeb(0, priv->base + RTCA3_RADJ); ret =3D readb_poll_timeout(priv->base + RTCA3_RADJ, tmp, !tmp, 10, RTCA3_DEFAULT_TIMEOUT_US); + if (ret) + return ret; =20 /* Start the RTC and enable automatic time error adjustment. */ mask =3D RTCA3_RCR2_START | RTCA3_RCR2_AADJE; --=20 2.54.0