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authorPeter Ujfalusi <peter.ujfalusi@linux.intel.com>2023-05-17 15:29:31 +0300
committerJarkko Sakkinen <jarkko@kernel.org>2023-05-24 02:50:23 +0300
commit95a9359ee22ff2efbad6b090fcfa3a97f5902f95 (patch)
treeaefffcef9b91c5f7718b92ee454a5655b3dfcdc7 /drivers/char
parent27e462c8fad4bf04ec4f81f8539ce6fa947ead3a (diff)
downloadlinux-95a9359ee22ff2efbad6b090fcfa3a97f5902f95.tar.xz
tpm: tpm_tis: Disable interrupts for AEON UPX-i11
Interrupts got recently enabled for tpm_tis. The interrupts initially works on the device but they will stop arriving after circa ~200 interrupts. On system reboot/shutdown this will cause a long wait (120000 jiffies). [jarkko@kernel.org: fix a merge conflict and adjust the commit message] Fixes: e644b2f498d2 ("tpm, tpm_tis: Enable interrupt test") Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com> Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org> Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
Diffstat (limited to 'drivers/char')
-rw-r--r--drivers/char/tpm/tpm_tis.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/char/tpm/tpm_tis.c b/drivers/char/tpm/tpm_tis.c
index 709b4e13bd6e..7db3593941ea 100644
--- a/drivers/char/tpm/tpm_tis.c
+++ b/drivers/char/tpm/tpm_tis.c
@@ -138,6 +138,13 @@ static const struct dmi_system_id tpm_tis_dmi_table[] = {
DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad L490"),
},
},
+ {
+ .callback = tpm_tis_disable_irq,
+ .ident = "UPX-TGL",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "AAEON"),
+ },
+ },
{}
};