[PATCH AUTOSEL 5.15 063/188] rtw88: add quirk to disable pci caps on HP 250 G7 Notebook PC

From: Sasha Levin
Date: Mon Jan 17 2022 - 21:43:57 EST


From: Ping-Ke Shih <pkshih@xxxxxxxxxxx>

[ Upstream commit c81edb8dddaa36c4defa26240cc19127f147283f ]

8821CE causes random freezes on HP 250 G7 Notebook PC. Add a quirk
to disable pci ASPM capability.

Reported-by: rtl8821cerfe2 <rtl8821cerfe2@xxxxxxxxxxxxxx>
Signed-off-by: Ping-Ke Shih <pkshih@xxxxxxxxxxx>
Signed-off-by: Kalle Valo <kvalo@xxxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20211119052437.8671-1-pkshih@xxxxxxxxxxx
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
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 a7a6ebfaa203c..3b367c9085eba 100644
--- a/drivers/net/wireless/realtek/rtw88/pci.c
+++ b/drivers/net/wireless/realtek/rtw88/pci.c
@@ -1738,6 +1738,15 @@ static const struct dmi_system_id rtw88_pci_quirks[] = {
},
.driver_data = (void *)BIT(QUIRK_DIS_PCI_CAP_ASPM),
},
+ {
+ .callback = disable_pci_caps,
+ .ident = "HP HP 250 G7 Notebook PC",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "HP"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "HP 250 G7 Notebook PC"),
+ },
+ .driver_data = (void *)BIT(QUIRK_DIS_PCI_CAP_ASPM),
+ },
{}
};

--
2.34.1