Based on bug reports and a web search for "Thinkpad_acpi: Error probing battery 2" four more models were found that require the battery quirk: Lenovo B5400, Thinkpad 11e, Thinkpad 11e gen 3, Thinkpad 13 gen 3. Signed-off-by: Jouke Witteveen <j.witteveen@xxxxxxxxx> Tested-by: James Cheshire <jermizzey@xxxxxxxxx> Acked-by: Henrique de Moraes Holschuh <hmh@xxxxxxxxxx> --- I avoided the ping-pong style and added James Cheshire as a tester. Andy suggested to Cc: him, but if I understand the kernel documentation on submitting patches correctly, a Tested-by: is in order. James tested on a Thinkpad 11e and agreed to be included in the commit message. drivers/platform/x86/thinkpad_acpi.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c index 3dbff2dd..fd49855a 100644 --- a/drivers/platform/x86/thinkpad_acpi.c +++ b/drivers/platform/x86/thinkpad_acpi.c @@ -9611,7 +9611,11 @@ static const struct tpacpi_quirk battery_quirk_table[] __initconst = { * Individual addressing is broken on models that expose the * primary battery as BAT1. */ + TPACPI_Q_LNV('J', '7', true), /* B5400 */ + TPACPI_Q_LNV('J', 'I', true), /* Thinkpad 11e */ + TPACPI_Q_LNV3('R', '0', 'B', true), /* Thinkpad 11e gen 3 */ TPACPI_Q_LNV3('R', '0', 'C', true), /* Thinkpad 13 */ + TPACPI_Q_LNV3('R', '0', 'J', true), /* Thinkpad 13 gen 2 */ }; static int __init tpacpi_battery_init(struct ibm_init_struct *ibm) -- 2.18.0