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From: Sasha Levin <sashal@kernel.org>
To: stable@vger.kernel.org
Cc: Jimmy Hon <honyuenkwun@gmail.com>,
	Ping-Ke Shih <pkshih@realtek.com>, Kalle Valo <kvalo@kernel.org>,
	Sasha Levin <sashal@kernel.org>
Subject: [PATCH 5.15.y 1/2] rtw88: 8821ce: Disable PCIe ASPM L1 for 8821CE using chip ID
Date: Thu, 30 Apr 2026 12:07:39 -0400	[thread overview]
Message-ID: <20260430160740.1785374-1-sashal@kernel.org> (raw)
In-Reply-To: <2026043013-untainted-dominion-7f06@gregkh>

From: Jimmy Hon <honyuenkwun@gmail.com>

[ Upstream commit b9eb5f0742d107ca9c0f33da58f61ce83e3ce2fc ]

Make workaround work for other 8821CE devices with different PCI ID

Signed-off-by: Jimmy Hon <honyuenkwun@gmail.com>
Reviewed-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220407075123.420696-3-honyuenkwun@gmail.com
Stable-dep-of: eb101d2abdcc ("wifi: rtw88: check for PCI upstream bridge existence")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/wireless/realtek/rtw88/pci.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/realtek/rtw88/pci.c b/drivers/net/wireless/realtek/rtw88/pci.c
index 08cf66141889b..0d1b1dfab8a2c 100644
--- a/drivers/net/wireless/realtek/rtw88/pci.c
+++ b/drivers/net/wireless/realtek/rtw88/pci.c
@@ -1766,7 +1766,7 @@ int rtw_pci_probe(struct pci_dev *pdev,
 	}
 
 	/* Disable PCIe ASPM L1 while doing NAPI poll for 8821CE */
-	if (pdev->device == 0xc821 && bridge->vendor == PCI_VENDOR_ID_INTEL)
+	if (rtwdev->chip->id == RTW_CHIP_TYPE_8821C && bridge->vendor == PCI_VENDOR_ID_INTEL)
 		rtwpci->rx_no_aspm = true;
 
 	rtw_pci_phy_cfg(rtwdev);
-- 
2.53.0


  reply	other threads:[~2026-04-30 16:07 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-04-30 13:51 FAILED: patch "[PATCH] wifi: rtw88: check for PCI upstream bridge existence" failed to apply to 5.15-stable tree gregkh
2026-04-30 16:07 ` Sasha Levin [this message]
2026-04-30 16:07   ` [PATCH 5.15.y 2/2] wifi: rtw88: check for PCI upstream bridge existence Sasha Levin

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