linux-kernel - [PATCH] tpm: tpm_tis: Disable interrupts *only* for AEON UPX-i11

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Date:   Tue, 30 May 2023 05:19:09 +0300
From:   Jarkko Sakkinen <jarkko@...nel.org>
To:     linux-integrity@...r.kernel.org
Cc:     Jerry Snitselaar <jsnitsel@...hat.com>,
        Peter Ujfalusi <peter.ujfalusi@...ux.intel.com>,
        Jarkko Sakkinen <jarkko@...nel.org>,
        linux-kernel@...r.kernel.org
Subject: [PATCH] tpm: tpm_tis: Disable interrupts *only* for AEON UPX-i11

From: Peter Ujfalusi <peter.ujfalusi@...ux.intel.com>

Further restrict with DMI_PRODUCT_VERSION.

Link: https://lore.kernel.org/linux-integrity/20230517122931.22385-1-peter.ujfalusi@linux.intel.com/
Fixes: 95a9359ee22f ("tpm: tpm_tis: Disable interrupts for AEON UPX-i11")
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@...ux.intel.com>
Reviewed-by: Jarkko Sakkinen <jarkko@...nel.org>
Signed-off-by: Jarkko Sakkinen <jarkko@...nel.org>
---
I do not believe that this necessarily needs to be backported but please
shout, if I'm wrong.
 drivers/char/tpm/tpm_tis.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/char/tpm/tpm_tis.c b/drivers/char/tpm/tpm_tis.c
index 7db3593941ea..9cb4e81fc548 100644
--- a/drivers/char/tpm/tpm_tis.c
+++ b/drivers/char/tpm/tpm_tis.c
@@ -143,6 +143,7 @@ static const struct dmi_system_id tpm_tis_dmi_table[] = {
 		.ident = "UPX-TGL",
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "AAEON"),
+			DMI_MATCH(DMI_PRODUCT_VERSION, "UPX-TGL"),
 		},
 	},
 	{}
-- 
2.39.2