]> git.itanic.dy.fi Git - linux-stable/commitdiff
tpm/tpm_tis: Disable interrupts for more Lenovo devices
authorJerry Snitselaar <jsnitsel@redhat.com>
Thu, 11 May 2023 00:54:03 +0000 (17:54 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 24 May 2023 16:30:23 +0000 (17:30 +0100)
commit e7d3e5c4b1dd50a70b31524c3228c62bb41bbab2 upstream.

The P360 Tiny suffers from an irq storm issue like the T490s, so add
an entry for it to tpm_tis_dmi_table, and force polling. There also
previously was a report from the previous attempt to enable interrupts
that involved a ThinkPad L490. So an entry is added for it as well.

Cc: stable@vger.kernel.org
Reported-by: Peter Zijlstra <peterz@infradead.org> # P360 Tiny
Closes: https://lore.kernel.org/linux-integrity/20230505130731.GO83892@hirez.programming.kicks-ass.net/
Signed-off-by: Jerry Snitselaar <jsnitsel@redhat.com>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/char/tpm/tpm_tis.c

index ed5dabd3c72d62708a56d813c7713d7bc2c98c0f..4be19d8f3ca9584cfab546b0eda4ec8d28b8953e 100644 (file)
@@ -83,6 +83,22 @@ static const struct dmi_system_id tpm_tis_dmi_table[] = {
                        DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T490s"),
                },
        },
+       {
+               .callback = tpm_tis_disable_irq,
+               .ident = "ThinkStation P360 Tiny",
+               .matches = {
+                       DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+                       DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkStation P360 Tiny"),
+               },
+       },
+       {
+               .callback = tpm_tis_disable_irq,
+               .ident = "ThinkPad L490",
+               .matches = {
+                       DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+                       DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad L490"),
+               },
+       },
        {}
 };