The patch below does not apply to the 4.9-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable(a)vger.kernel.org>.
thanks,
greg k-h
------------------ original commit in Linus's tree ------------------
>From 1ea32c83c699df32689d329b2415796b7bfc2f6e Mon Sep 17 00:00:00 2001
From: Stefan Berger <stefanb(a)linux.ibm.com>
Date: Thu, 29 Aug 2019 20:09:06 -0400
Subject: [PATCH] tpm_tis_core: Set TPM_CHIP_FLAG_IRQ before probing for
interrupts
The tpm_tis_core has to set the TPM_CHIP_FLAG_IRQ before probing for
interrupts since there is no other place in the code that would set
it.
Cc: linux-stable(a)vger.kernel.org
Fixes: 570a36097f30 ("tpm: drop 'irq' from struct tpm_vendor_specific")
Signed-off-by: Stefan Berger <stefanb(a)linux.ibm.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen(a)linux.intel.com>
diff --git a/drivers/char/tpm/tpm_tis_core.c b/drivers/char/tpm/tpm_tis_core.c
index ffa9048d8f6c..270f43acbb77 100644
--- a/drivers/char/tpm/tpm_tis_core.c
+++ b/drivers/char/tpm/tpm_tis_core.c
@@ -981,6 +981,7 @@ int tpm_tis_core_init(struct device *dev, struct tpm_tis_data *priv, int irq,
}
tpm_chip_start(chip);
+ chip->flags |= TPM_CHIP_FLAG_IRQ;
if (irq) {
tpm_tis_probe_irq_single(chip, intmask, IRQF_SHARED,
irq);