tpm, tpm_tis: Claim locality in interrupt handler
authorLino Sanfilippo <l.sanfilippo@kunbus.com>
Thu, 24 Nov 2022 13:55:35 +0000 (14:55 +0100)
committerJarkko Sakkinen <jarkko@kernel.org>
Mon, 24 Apr 2023 13:15:53 +0000 (16:15 +0300)
commit0e069265bce5a40c4eee52e2364bbbd4dabee94a
tree3a1c737ca42fcad53fb883453c22dc1c51f472d2
parent0c7e66e5fd69bf21034c9a9b081d7de7c3eb2cea
tpm, tpm_tis: Claim locality in interrupt handler

Writing the TPM_INT_STATUS register in the interrupt handler to clear the
interrupts only has effect if a locality is held. Since this is not
guaranteed at the time the interrupt is fired, claim the locality
explicitly in the handler.

Signed-off-by: Lino Sanfilippo <l.sanfilippo@kunbus.com>
Tested-by: Michael Niewöhner <linux@mniewoehner.de>
Tested-by: Jarkko Sakkinen <jarkko@kernel.org>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
drivers/char/tpm/tpm_tis_core.c