linux-kernel - [PATCH] tpm/tpm_tis: Disable interrupts for MSI GS66 Stealth 11UG

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Message-ID: <20230810091851.GA1088011@noodles-fedora.dhcp.thefacebook.com>
Date:   Thu, 10 Aug 2023 09:18:54 +0000
From:   Jonathan McDowell <noodles@...a.com>
To:     Peter Huewe <peterhuewe@....de>,
        Jarkko Sakkinen <jarkko@...nel.org>
CC:     Jason Gunthorpe <jgg@...pe.ca>,
        Lino Sanfilippo <l.sanfilippo@...bus.com>,
        "linux-integrity@...r.kernel.org" <linux-integrity@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: [PATCH] tpm/tpm_tis: Disable interrupts for MSI GS66 Stealth 11UG

The MSI GS66 Stealth 11UG laptop also suffers from an IRQ problem with
tpm_tis, causing the TPM to be inaccessible. Add an entry to
tpm_tis_dmi_table to force polling mode.

Cc: stable@...r.kernel.org # v6.4+
Fixes: e644b2f498d2 ("tpm, tpm_tis: Enable interrupt test")
Signed-off-by: Jonathan McDowell <noodles@...a.com>
---
 drivers/char/tpm/tpm_tis.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/char/tpm/tpm_tis.c b/drivers/char/tpm/tpm_tis.c
index ac4daaf294a3..14dee959ee19 100644
--- a/drivers/char/tpm/tpm_tis.c
+++ b/drivers/char/tpm/tpm_tis.c
@@ -130,6 +130,14 @@ 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 = "MSI GS66 Stealth 11UG",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Micro-Star International Co., Ltd."),
+			DMI_MATCH(DMI_PRODUCT_NAME, "GS66 Stealth 11UG"),
+		},
+	},
 	{
 		.callback = tpm_tis_disable_irq,
 		.ident = "ThinkPad T490s",
-- 
2.41.0