From: Szilard Fabian <szfabian@xxxxxxxxxxxxx> [ Upstream commit 80f39e1c27ba9e5a1ea7e68e21c569c9d8e46062 ] In the initial boot stage the integrated keyboard of Fujitsu Lifebook E5411 refuses to work and it's not possible to type for example a dm-crypt passphrase without the help of an external keyboard. i8042.nomux kernel parameter resolves this issue but using that a PS/2 mouse is detected. This input device is unused even when the i2c-hid-acpi kernel module is blacklisted making the integrated ELAN touchpad (04F3:308A) not working at all. Since the integrated touchpad is managed by the i2c_designware input driver in the Linux kernel and you can't find a PS/2 mouse port on the computer I think it's safe to not use the PS/2 mouse port at all. Signed-off-by: Szilard Fabian <szfabian@xxxxxxxxxxxxx> Link: https://lore.kernel.org/r/20231004011749.101789-1-szfabian@xxxxxxxxxxxxx Signed-off-by: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- drivers/input/serio/i8042-x86ia64io.h | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h index 0cf9a37873261..2d4df82d65afe 100644 --- a/drivers/input/serio/i8042-x86ia64io.h +++ b/drivers/input/serio/i8042-x86ia64io.h @@ -613,6 +613,14 @@ static const struct dmi_system_id i8042_dmi_quirk_table[] __initconst = { }, .driver_data = (void *)(SERIO_QUIRK_NOMUX) }, + { + /* Fujitsu Lifebook E5411 */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU CLIENT COMPUTING LIMITED"), + DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK E5411"), + }, + .driver_data = (void *)(SERIO_QUIRK_NOAUX) + }, { /* Gigabyte M912 */ .matches = { -- 2.40.1
