[PATCH] tpm/tpm_tis: Disable interrupts for Lenovo Thinkpad E14 Gen 2 and 13s-IML

From: Takashi Iwai
Date: Mon Aug 07 2023 - 10:04:21 EST


Like other Lenovo laptops, Thinkpad E14 Gen 2 and Thinkpad 13s-IML
also require to disable the tpm_tis interrupts for avoiding a boot
hang.

Fixes: e644b2f498d2 ("tpm, tpm_tis: Enable interrupt test")
Cc: <stable@xxxxxxxxxxxxxxx> # v6.4+
Link: https://bugzilla.suse.com/show_bug.cgi?id=1213779
Signed-off-by: Takashi Iwai <tiwai@xxxxxxx>

---
drivers/char/tpm/tpm_tis.c | 16 ++++++++++++++++
1 file changed, 16 insertions(+)

diff --git a/drivers/char/tpm/tpm_tis.c b/drivers/char/tpm/tpm_tis.c
index a98773ac2e55..0633823dc515 100644
--- a/drivers/char/tpm/tpm_tis.c
+++ b/drivers/char/tpm/tpm_tis.c
@@ -130,6 +130,22 @@ static const struct dmi_system_id tpm_tis_dmi_table[] = {
DMI_MATCH(DMI_PRODUCT_NAME, "Laptop (13th Gen Intel Core)"),
},
},
+ {
+ .callback = tpm_tis_disable_irq,
+ .ident = "ThinkPad E14 Gen 2",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+ DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad E14 Gen 2"),
+ },
+ },
+ {
+ .callback = tpm_tis_disable_irq,
+ .ident = "ThinkBook 13s-IML",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+ DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo ThinkBook 13s-IML"),
+ },
+ },
{
.callback = tpm_tis_disable_irq,
.ident = "ThinkPad T490s",
--
2.35.3