From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-ej1-f50.google.com (mail-ej1-f50.google.com [209.85.218.50]) (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 41895CA6B for ; Fri, 21 Aug 2026 20:33:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.218.50 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787344420; cv=none; b=h8L978u8J/WtJ9iqKwmU7jl+dM8lFyQjesg7CIqwIq9bqNnPyjlBwVf0mq/glpC3lPmPzrxU8Im6C3W8hkXRPFC0cxrAY/t4EWrf5CbogNpxqmMRYfvrzBc9vLt8H72dWtKbDY6dph6EIk3YKW7oaMQua6wKxq9UUE2Sg1pONws= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787344420; c=relaxed/simple; bh=aIRTkgmWpbV76HbM3Q0AgIJJgZn+CAD2Er7fBmhVzgw=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=AGGZ5B7tDAL/SNooIN2v8baHGBuVw/40g1ADAP3OK/ECyzlM+rxPPgbLTV4G27ujul8vFdZtKVbHEekfeGhPUa3G1xUBAflJKmXQH3mjQNiQCBUkLeC15JAZEow5oypouC7gJ3KryhgZXer20nrNMPVGw9BftgvIofPSpg/Fmhs= 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=WeLbAvBW; arc=none smtp.client-ip=209.85.218.50 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="WeLbAvBW" Received: by mail-ej1-f50.google.com with SMTP id a640c23a62f3a-c1c50c1e29bso233934666b.3 for ; Fri, 21 Aug 2026 13:33:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1787344417; x=1787949217; 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=VfyhNk7Ob1tC1JJ3rFOEQZPe86dpIKlLM8HAZGK51DY=; b=WeLbAvBWhS3krBBFU1Fr/md29l86pxrAtwBq0S4EMfhM2Mjn01q8B3iRNXcFrZo3Sy wm8Fa0henVB+zQAAOsw4WmL8IB8ozQFXeAyzskaux3GN35dD2JnVV31EedmU0s+LhiTU kQqVjoI4ZJNuvDNa32ZeIcn+qjtEkx7ZuTybCA2KekbDuhv6iV8qcCH05T/jJ4hFX8Sh /StSwwSKgIrOlW3q0vJn8NSVqUDLWtFPGvP3gcwACGO0DMgNI4P9UDxLo1NfznSGR3h2 /TZDTrcr9Kyn0moK6idKKrSiPL1Sgg6wqw+458o3WjZopmBMwS5P/gHBNg7PtDMJvYm9 uXdw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1787344417; x=1787949217; 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=VfyhNk7Ob1tC1JJ3rFOEQZPe86dpIKlLM8HAZGK51DY=; b=ldLgvYZWAhJOuBCzm+Mn64eLc1Y3+Jiyb4nLrWRfF88LHcX9KFkXX5vOIgtuRaozWI IzUr1kSluC9ssbg0TN1k264cj13e7seT7t+t+OATkq9A3ZcJH45FYERPrUBRv5jwjof9 FuDOlTKDJuYO2b1A+Np7hhqimtcI8+U7nU44Snibj/tXfM3Fx/yKw0Eg+Ce8zaqcgoA1 nvL2B/ZAf3hduXHLewJciZNnvPseklaaEqSGiBS9fCnVSDkZjTZ9cx+zVizoaaNNfwXx 04izY2tVxqamRc+fj8W9ws9ENZJ1tT4mKbGpesm/LSnVXqwiKk6e6pSOiGBCepRaiIR9 GXTA== X-Forwarded-Encrypted: i=1; AHgh+RovrExnJRt+mQJ8ZlnkgEQw0nbFRTd+hSMGedvFkyx2SQRt6fOD8Pp8ieHuGTzMmJTVe8RBnFypje8W3U8=@vger.kernel.org X-Gm-Message-State: AFuF++ky192GpbJ7GCUde4sjc9Ad9NwiqjOdDU0E66xoNQcahRdohXVM VbDnKJcdsqCX9oorm6oJr6Zj5pfEByzz00MPg0CmhO1ZadJ/A8aMsukn X-Gm-Gg: AR+sD12dFA7UV2jr/BNOJ5ajV9h1OSoIg/sxUK7rGGKn+6PbJBPjemkMXIi5uOj23hd 9hqbDQDPewJvwfyZ/Z/cg+39Ni2GDrqWgjASQ0lk6MBNOZk9xPYSD5kxuqYX1LJfhYGTh937uIZ +IDtKQRMySlIgxTXsu6M0bS5F9D0Uo5t0aj5qbjlvKxK/4q3p01nmvYpQYyF/VoZEZmQR8ZOL2X d5SAJNt8/IaCVjV/lolA6AhryvGdqgfAdMczDsOKXMT5gGsIMM+jtICle4DCPT9goZe7qncEA69 sdjGzzCjrYMV+nJhMOmuswJU8CFlRqUnRH1b5p1b1v10bxsgTvI1nVfs3vHWoGE7vNwVoaAV0tQ rwjcu/F++mdhhN7GYPKPTYpgKPwrnxcSu7pPn96zFTWD/BqLL3yLX3OXHVANjHEUbZuSMNxzsd0 7p0E2upiHSlVQpq0mjwWHL6E/PLAcDnMVT9jz764nsTBioQ8+Wtzm5gVZRYQKOdNbn1LCXBA== X-Received: by 2002:a17:907:c20:b0:c15:f4bb:e663 with SMTP id a640c23a62f3a-c246a3ab3dfmr889302666b.10.1787344417373; Fri, 21 Aug 2026 13:33:37 -0700 (PDT) Received: from [192.168.1.50] ([79.119.240.229]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-c2458b0933csm663790666b.18.2026.08.21.13.33.36 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 21 Aug 2026 13:33:36 -0700 (PDT) Message-ID: Date: Fri, 21 Aug 2026 23:33:35 +0300 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] wifi: rtw88: disable ASPM for Lenovo IdeaPad S340-14IWL To: =?UTF-8?B?QXRhIMSwbGhhbiBLw7ZrdMO8cms=?= , pkshih@realtek.com Cc: linux-wireless@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260820101642.35003-1-atailhan2006@gmail.com> Content-Language: en-US From: Bitterblue Smith In-Reply-To: <20260820101642.35003-1-atailhan2006@gmail.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit On 20/08/2026 13:16, Ata İlhan Köktürk wrote: > The Lenovo IdeaPad S340-14IWL (DMI product name "81N4") experiences > severe connectivity issues with the rtw88 PCIe wireless card when > ASPM is enabled. Reported symptoms include frequent disconnections, > kernel panics, and the driver failing to load. > > The issue can be worked around by either adding pci=noaspm to the > kernel command line or by reloading the driver via modprobe. Add a > DMI quirk to disable ASPM automatically for this device. > > Signed-off-by: Ata İlhan Köktürk > --- > drivers/net/wireless/realtek/rtw88/pci.c | 9 +++++++++ > 1 file changed, 9 insertions(+) > > diff --git a/drivers/net/wireless/realtek/rtw88/pci.c b/drivers/net/wireless/realtek/rtw88/pci.c > index a30467228..9df8954d8 100644 > --- a/drivers/net/wireless/realtek/rtw88/pci.c > +++ b/drivers/net/wireless/realtek/rtw88/pci.c > @@ -1779,6 +1779,15 @@ static const struct dmi_system_id rtw_pci_quirks[] = { > .driver_data = (void *)(BIT(QUIRK_DIS_CAP_PCI_ASPM) | > BIT(QUIRK_DIS_CAP_LPS_DEEP)), > }, > + { > + .callback = rtw_pci_disable_caps, > + .ident = "Lenovo IdeaPad S340-14IWL", > + .matches = { > + DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), > + DMI_MATCH(DMI_PRODUCT_NAME, "81N4"), > + }, > + .driver_data = (void *)(BIT(QUIRK_DIS_CAP_PCI_ASPM)), > + }, > {} > }; > By the way, what wifi chip do you have? It would be good to mention that in the summary.