From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=80.241.56.172 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1792963003; b=jB/MJAIl40hrf4XAgqeTRkNXn5rxRq77HrPVjPoEVebaYQ34BcIWUPMuU0PNj3RCQpER ZuHZcJz8eSO9u3IBeF/o8RsczB0YIfn6leWyxNXdNaJjy05itnCXFvPftJABXdkUVZtzZ +ilb40FEkAMccpJxfFdYZdOg+bVoLdrn4ZN5GC76XV9DuJ9z+5TFC/kkFoCzyG5Z9fUis g99PIUgL2SCPbEx3yqG4F69r7pFmYORqOiJN36rHKUuHtGwOjSr/zRE3nErFLHQpMT5G3 Ck8QjRsALiYc0Nz49BKvaBWY3RHDIGT6NAt0eKGqOgsmj412GxkVTWmjva2uyQV1spw== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1792963003; h=DMARC-Filter:Received:DKIM-Signature:Date:From:To:Cc:Subject: Message-ID:References:MIME-Version:Content-Type:Content-Disposition: In-Reply-To:X-MBO-RS-META:X-MBO-RS-ID; bh=xC4wBpwVt5DBUgr5L5OrfGB4RWBaaYkDpsCLYRcAQ3M=; b=zKBA9TfVduLmrLYGBbUM0Rgkokq4TtgeDcyEWqRPiYkxTnXm1kefJM1TqJOWAAtm6V4k N7gIHf+cb6ExO0TJA7GjbBN1/UZ0siWutyJcYQ+2Zc8I8DIURK8+ryneloBY+GJEZe5ig /21+wOIyxiQUFjnIagwe2Tl9l8aOrKqVYw+C+VwUc6NgUQVl82J3B/zv60kBUXpfk0bnn 7K0e6+dwS+Qc9DGrc3WUrqjH+cnYxJ011xNw+AJJbThJVFlQ7JNZU3YcqsxaUo9NZ6XlB jnIgT3FPNC3z/LHJepkoqvAcVDcUsR0mylZi7B4BjoIc0seyc5id9ImOulZO0MoH0aw== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=mailbox.org; spf=pass smtp.mailfrom=mailbox.org; dkim=pass header.d=mailbox.org header.i=@mailbox.org header.a=rsa-sha256 header.s=mail20150812 header.b=c4Mv+Mtq; arc=none smtp.remote-ip=80.241.56.172 Received: from mout-p-202.mailbox.org (mout-p-202.mailbox.org [80.241.56.172]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id DF1F8606A31A; Sun, 25 Oct 2026 21:16:42 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org DF1F8606A31A Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=mailbox.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=mailbox.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=mailbox.org header.i=@mailbox.org header.a=rsa-sha256 header.s=mail20150812 header.b=c4Mv+Mtq Received: from smtp202.mailbox.org (smtp202.mailbox.org [IPv6:2001:67c:2050:b231:465::202]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519MLKEM768 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mout-p-202.mailbox.org (Postfix) with ESMTPS id 4jCV1g3Rm2zMl19; Sun, 25 Oct 2026 22:16:39 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mailbox.org; s=mail20150812; t=1792962999; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=xC4wBpwVt5DBUgr5L5OrfGB4RWBaaYkDpsCLYRcAQ3M=; b=c4Mv+MtqgDoi/mOwdfjKNIw5tUvRXAwImHOnFHuJJO9uPxSA4Min9bRXghnbVmPrISdoTt V3mn5cr6KnpthVb2W4u/dn2Sk2vvbIUBTuPLqqMqtifdEhjv4zuGgHCcIByk5qH4TDScE9 xNGb0rtbN88VzWxxWSy+oR/96D2fflwCZunnwUOVtb9B+fheheCqL/ov/Yx8VPttIt9H1y 2jF61ctxoKpjMzhxRpNKZuMn8jluh9XtZjo38gOBj5BynR98MLWhG557mQ9+NghSqaVTtl VLXIKjxt9s5Sr26MXJX1nXzMJV6H/TMp3Is3OtSFu7rWSieX/cVPu9nri+XNjA== Date: Sun, 25 Oct 2026 22:16:36 +0100 From: Anthony Ruhier To: Bjorn Helgaas Cc: Bjorn Helgaas , linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, Baochen Qiang , Val Packett , Vasanthakumar Thiagarajan , Jeff Johnson , Manivannan Sadhasivam Subject: Re: [PATCH] PCI: Disable LTR on Qualcomm WCN7850 [17cb:1107] to allow ASPM L1.2 Message-ID: References: <20261023-quick-wcn7850-v1-1-9a139b9b2c8e@mailbox.org> <20261023182004.GA2796729@bhelgaas> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-MBO-RS-META: 1mwu4yke9d14agntr8aehr3b9a3xbpt5 X-MBO-RS-ID: 4097712fceb3e9935af On Fri, Oct 23, 2026 at 11:49:25PM +0200, Anthony Ruhier wrote: > By disassembling the firmware with an LLM, I discovered that when wake-on-lan > is active, it stops this behavior so that the card can go to L1.2. But I > couldn't find anything else of why it would do this. Val Packett suggested that I tried to test that in practice to check if that's true. So I tested enabling WoL and putting the laptop in suspend, but I couldn't reproduce what the LLM described. So either it's a hallucination or I couldn't find the right conditions. So you can ignore this statement. Thanks, -- Anthony Ruhier