From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wr1-f46.google.com (mail-wr1-f46.google.com [209.85.221.46]) (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 858DD4B1B56 for ; Mon, 19 Oct 2026 09:28:09 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.221.46 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1792402091; cv=none; b=R8HqFzJB2dLFdxLCU5pBbJdbCOKujSFd9Vks3H2YarvVDKcUvwVvwzW5E7qoSr7DK19ojVEOYN2xnLb4aloeiLxld48OmHKMzCbAo0NYwGHOPa2CVPFfltbExip35b05ufMi9Xp3Yg28OF63svJmDHCNX15ndu61vaI+wDLHGKE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1792402091; c=relaxed/simple; bh=0dyPF7mE3t+RM/QADdAdf/PKx71VS8XRDDVPCLUpasc=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=SSGbZT/w9KR42kYIVkjbqn3UlrWNIk4BbCk6nh8jAGQZKMTBxF3oGyNLRWaexp5PsDZPndztxexPAsirG9GM+Znw0x6FM+4M3L0edhVgZmwQmU2azmaSNfy/3qaKm17xpA5R5uuRYeA64fvJfwWKtVOhAO3YKjDylih5l3E88oc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org; spf=pass smtp.mailfrom=linaro.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b=TabEt+4s; arc=none smtp.client-ip=209.85.221.46 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linaro.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="TabEt+4s" Received: by mail-wr1-f46.google.com with SMTP id ffacd0b85a97d-48afcd7ba9bso985848f8f.3 for ; Mon, 19 Oct 2026 02:28:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1792402088; x=1793006888; darn=vger.kernel.org; h=content-transfer-encoding:content-type:in-reply-to:from :content-language:references:cc:to:subject:user-agent:mime-version :date:message-id:from:to:cc:subject:date:message-id:reply-to :content-type; bh=FK8j4zExJxC720gbifUR9mDEZ2k0SEqSK8uj/t6ufAU=; b=TabEt+4syARpZYSS7IAUv/4kga+T5mT5y5YV4/TwUanxWgYT/3tSNCDXar14lM3s0H 2IXDJb6fV0mk26cwkkFZijqxVxtT5Ahl72+Z0suNdAi2MaGf349Kl7Q71ylydqVvKJFT KyMqDVPxYmH6P0rDXOtqj36kHXvbsVWJ1wjxkaQKXvJ1LMhAWCtFjKhAxVWp0JQrPF1F MZImYUWGFPs/IvyKEJuRB7hzeGc8UZmOytgRX96KnwaunyDKGg+OrTulWUzkS7ju4+oN Dg8emLA38yAWd1v7qMBKI0kqOZW/I6e1UQzXhneL8ur/ver9WLJRdpeeZBJvH0qR9hnD vFWQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1792402088; x=1793006888; h=content-transfer-encoding:content-type:in-reply-to:from :content-language:references:cc:to:subject:user-agent:mime-version :date:message-id:x-gm-gg:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to:content-type; bh=FK8j4zExJxC720gbifUR9mDEZ2k0SEqSK8uj/t6ufAU=; b=uqEFHnpV+OHDS6IEXKbnm9EapTxjKeyzfUKPR3eI/uzoSH1b/HP1/JIltVrG3udna+ 3ODh84bGRDhZlyGbGnWb6J5UamvDiJQqZhOWIBJ5GNTIeWZtiSh0oMsJs3+ZceniXlhS N9WVj25sglkWAqXbhkoyB4TwbiD8xhLqRQfXeT32ItAYBwlu447M7O1+gGBJuTcUOWW8 xTe9Y4GxKljnyBMobecROiDEWA8hO5hJGBoLhYTehdhwhKaTt8S33tlIiGNYofEzNjap O9p9svMQq7TkeBJpjzea5XpGOKjA04AD3qhq/Pw3f2w/fVdoo4o7tt8fjdN+m+atZNc3 XutA== X-Forwarded-Encrypted: i=1; AKwUvByd//emQj8vYCFoF1Zn5uEm/9hqLYqTLgIkciOZANNkVpKLlrxiLts/BjUjBzvsQPhm8+77YCcWeAHO@vger.kernel.org X-Gm-Message-State: AFq9FYLJ+ppI8TiLGP56l4v02WlnwYNsX2VtWgSzJHAdogwEsBG6py6w vbxbb4j/Xw4dyDAtFIAk0i+5Qc4F9HWjhPxzgYCkVsNjN/zxLYOwROP6W20+KotnMMQ= X-Gm-Gg: AYBFou3PnqDUusuCrGShMZnYTtFaqyCUwBX3RMPfrr+/sSqtSvh5f6NEMmHTiXBSiDQ hcPl7WJfbhyOMpV9SxvVC1DflCRkLmjh5vdSko2DRqHq0NJZP8dr8uA7moKhuQ+OdhAs5/SZUXa m6KCr59s/H/kFXU9KmW1ExKOnbpv4OI9dT3G+e1CNhYfjgMIFvD6PT/U+36iwXGxDFgin0fRO1f eqfXjNXGirWYXRj+ZKF8nMD9jUyrOWrwUslcgSSL5wK9cUc3Rm1SNkyxOjeCmL0mdSUob0faKYf I1a5Dix4XrVDkAQuEkXRvD8vnIftoo1mvqDzyu1DqrkFAE8DounFYncPpFL+Ywgd/d80T4IAaC9 ImvgJPu8/FAl0GfHZeR4ydKs/r4M7QRNWpTrj0HWNIEZMG27ecaujoDY3+62RcPsM8VsOWedlws vD49YvksahrafRmi0cmUtadlrnXLGgPm+m31r7TXTV+sAkEFadw/0W4Lu/WNkyCFKK2frnKEKY3 oiIk96lmcqK1fBNXxONzk85khdODescWmsUYyvg4F8Ogakgalm3/ofArmWM X-Received: by 2002:a5d:59c1:0:b0:48c:4d32:ccfd with SMTP id ffacd0b85a97d-48e0797ff49mr16398545f8f.6.1792402087710; Mon, 19 Oct 2026 02:28:07 -0700 (PDT) Received: from ?IPV6:2a0a:ef40:eb0:c501:2c4e:44f:2449:8978? ([2a0a:ef40:eb0:c501:2c4e:44f:2449:8978]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-48dfd471a64sm23498338f8f.6.2026.10.19.02.28.06 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 19 Oct 2026 02:28:07 -0700 (PDT) Message-ID: Date: Mon, 19 Oct 2026 10:28:06 +0100 Precedence: bulk X-Mailing-List: linux-gpio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 01/10] ARM: ti81xx: Prevent USB being put into idle To: Andreas Kemnade , Ettore Chimenti Cc: Paul Walmsley , Aaro Koskinen , Kevin Hilman , Roger Quadros , Tony Lindgren , Russell King , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Christopher Obbard , Linus Walleij , Rouven Czerwinski , linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-gpio@vger.kernel.org References: <20261016-patch-ektor5-dm8168-dts-v1-0-b4ce30217028@linaro.org> <20261016-patch-ektor5-dm8168-dts-v1-1-b4ce30217028@linaro.org> <20261017085339.3533e9ab@kemnade.info> Content-Language: en-GB From: Andrew Goodbody In-Reply-To: <20261017085339.3533e9ab@kemnade.info> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 17/10/2026 07:53, Andreas Kemnade wrote: > On Fri, 16 Oct 2026 16:41:16 +0200 > Ettore Chimenti wrote: > >> From: Andrew Goodbody >> >> There is an issue with USB being put into idle with DMA enabled and that >> is mostly prevented with usbcore.autosuspend=-1 on the kernel command >> line. Stop the ti,hwmod code from putting it into idle by setting the >> appropriate flag. This stops the log entry 'clk:0058:0: failed to >> disable' being generated. >> > So the module cannot be put into idle in certain conditions. Why do you > disable idle under all circumstances and not e.g. adding some > runtime_resume/suspend pair somewhere? > >> Signed-off-by: Andrew Goodbody >> Signed-off-by: Ettore Chimenti >> --- >> arch/arm/mach-omap2/omap_hwmod_81xx_data.c | 1 + >> 1 file changed, 1 insertion(+) >> >> diff --git a/arch/arm/mach-omap2/omap_hwmod_81xx_data.c b/arch/arm/mach-omap2/omap_hwmod_81xx_data.c >> index 9b5c728fb7da..2f55dc32e150 100644 >> --- a/arch/arm/mach-omap2/omap_hwmod_81xx_data.c >> +++ b/arch/arm/mach-omap2/omap_hwmod_81xx_data.c >> @@ -650,6 +650,7 @@ static struct omap_hwmod dm816x_usbss_hwmod = { >> .name = "usb_otg_hs", >> .clkdm_name = "default_l3_slow_clkdm", >> .main_clk = "sysclk6_ck", >> + .flags = HWMOD_NO_IDLE, > > and why do we need this here and not in the ti-sysc node? > > Regards, > Andreas Sorry for the noise, this can be dropped. It is not needed. It was a workaround for another problem that has since been fixed. Andrew