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Tue, 30 Jun 2026 07:16:18 -0700 (PDT) Received: from localhost ([80.208.66.169]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-c1288d6a400sm136421566b.20.2026.06.30.07.16.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 30 Jun 2026 07:16:17 -0700 (PDT) From: William Hansen-Baird To: pkshih@realtek.com Cc: linux-wireless@vger.kernel.org, linux-kernel@vger.kernel.org, William Hansen-Baird Subject: [PATCH rtw-next v4 3/3] wifi: rtlwifi: disable ASPM for RTL8723BE with subsystem ID 17aa:b736 Date: Tue, 30 Jun 2026 16:15:53 +0200 Message-ID: <20260630141553.785769-4-william.hansen.baird@gmail.com> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260630141553.785769-1-william.hansen.baird@gmail.com> References: <20260626095648.1124924-1-william.hansen.baird@gmail.com> <20260630141553.785769-1-william.hansen.baird@gmail.com> Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit RTL8723BE outputs a large amount of PCIe AER errors during and after boot, even before probe and when driver is never loaded. This causes significant system slowdown. The errors are the same as reported by commit 77a6407c6ab2 ("wifi: rtlwifi: disable ASPM for RTL8723BE with subsystem ID 11ad:1723") Add the RTL8723BE with subsystem ID 17aa:b736 to the rtl_aspm_quirks table to stop the AER errors. AER errors can still be present prior to pci probe, as the device by default may have ASPM enabled. Testing on a Razer Blade 14 2017 which shipped from the OEM equipped with an RTL8723BE card with this subsystem ID confirms that this patch resolves the AER flood and allows the wireless card to function normally once the driver takes over. Signed-off-by: William Hansen-Baird Acked-by: Ping-Ke Shih --- drivers/net/wireless/realtek/rtlwifi/pci.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/wireless/realtek/rtlwifi/pci.c b/drivers/net/wireless/realtek/rtlwifi/pci.c index 9a9c895b0bef..220fb4dc7927 100644 --- a/drivers/net/wireless/realtek/rtlwifi/pci.c +++ b/drivers/net/wireless/realtek/rtlwifi/pci.c @@ -34,6 +34,8 @@ static const u8 ac_to_hwq[] = { static const struct pci_device_id rtl_aspm_quirks[] = { /* ASUSTek F441U/X555UQ */ { PCI_DEVICE_SUB(PCI_VENDOR_ID_REALTEK, 0xb723, 0x11ad, 0x1723) }, + /* Razer Blade 14 2017 */ + { PCI_DEVICE_SUB(PCI_VENDOR_ID_REALTEK, 0xb723, 0x17aa, 0xb736) }, {} }; -- 2.54.0