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* [PATCH] tpm/tpm_tis: Disable interrupts for Lenovo L590 devices
@ 2023-06-20 11:11 Florian Bezdeka
  2023-06-20 15:39 ` Hans de Goede
                   ` (2 more replies)
  0 siblings, 3 replies; 4+ messages in thread
From: Florian Bezdeka @ 2023-06-20 11:11 UTC (permalink / raw)
  To: Peter Huewe, Jarkko Sakkinen, Jason Gunthorpe, Lino Sanfilippo
  Cc: Hans de Goede, linux-integrity, linux-kernel, Florian Bezdeka

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.

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>
---
 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 7db3593941ea..2771abb5628f 100644
--- a/drivers/char/tpm/tpm_tis.c
+++ b/drivers/char/tpm/tpm_tis.c
@@ -138,6 +138,14 @@ 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",

---
base-commit: 9561de3a55bed6bdd44a12820ba81ec416e705a7
change-id: 20230620-flo-lenovo-l590-tpm-fix-4aeb6aa25667

Best regards,
-- 
Florian Bezdeka <florian@bezdeka.de>


^ permalink raw reply	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2023-07-11  0:53 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2023-06-20 11:11 [PATCH] tpm/tpm_tis: Disable interrupts for Lenovo L590 devices Florian Bezdeka
2023-06-20 15:39 ` Hans de Goede
2023-06-29 16:58 ` Jerry Snitselaar
2023-07-11  0:53 ` Jarkko Sakkinen

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