diff options
Diffstat (limited to '0005-tpm-tpm_tis-Disable-interrupts-for-Lenovo-L590-devic.patch')
| -rw-r--r-- | 0005-tpm-tpm_tis-Disable-interrupts-for-Lenovo-L590-devic.patch | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/0005-tpm-tpm_tis-Disable-interrupts-for-Lenovo-L590-devic.patch b/0005-tpm-tpm_tis-Disable-interrupts-for-Lenovo-L590-devic.patch new file mode 100644 index 000000000000..2f7853009c73 --- /dev/null +++ b/0005-tpm-tpm_tis-Disable-interrupts-for-Lenovo-L590-devic.patch @@ -0,0 +1,42 @@ +From 4abd126fb6e7ed77ee5a286132a5afc133dd24bc Mon Sep 17 00:00:00 2001 +From: Florian Bezdeka <florian@bezdeka.de> +Date: Tue, 20 Jun 2023 13:11:01 +0200 +Subject: [PATCH 5/7] tpm/tpm_tis: Disable interrupts for Lenovo L590 devices + +The Lenovo L590 suffers from an irq storm issue like the T490, T490s +and P360 Tiny, so add an entry for it to tpm_tis_dmi_table and force +polling. + +Cc: stable@vger.kernel.org # v6.4+ +Link: https://bugzilla.redhat.com/show_bug.cgi?id=2214069#c0 +Fixes: e644b2f498d2 ("tpm, tpm_tis: Enable interrupt test") +Signed-off-by: Florian Bezdeka <florian@bezdeka.de> +Reviewed-by: Jerry Snitselaar <jsnitsel@redhat.com> +Reviewed-by: Hans de Goede <hdegoede@redhat.com> +Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org> +--- + 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 4e4426965cd0..cc42cf3de960 100644 +--- a/drivers/char/tpm/tpm_tis.c ++++ b/drivers/char/tpm/tpm_tis.c +@@ -154,6 +154,14 @@ static const struct dmi_system_id tpm_tis_dmi_table[] = { + DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad L490"), + }, + }, ++ { ++ .callback = tpm_tis_disable_irq, ++ .ident = "ThinkPad L590", ++ .matches = { ++ DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), ++ DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad L590"), ++ }, ++ }, + { + .callback = tpm_tis_disable_irq, + .ident = "UPX-TGL", +-- +2.41.0 + |