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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, linux-stable@vger.kernel.org,
        Stefan Berger <stefanb@linux.ibm.com>,
        Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Subject: [PATCH 5.2 233/313] tpm_tis_core: Set TPM_CHIP_FLAG_IRQ before probing for interrupts
Date:   Thu,  3 Oct 2019 17:53:31 +0200
Message-Id: <20191003154555.951169029@linuxfoundation.org>
In-Reply-To: <20191003154533.590915454@linuxfoundation.org>
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From: Stefan Berger <stefanb@linux.ibm.com>

commit 1ea32c83c699df32689d329b2415796b7bfc2f6e upstream.

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@vger.kernel.org
Fixes: 570a36097f30 ("tpm: drop 'irq' from struct tpm_vendor_specific")
Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/char/tpm/tpm_tis_core.c |    1 +
 1 file changed, 1 insertion(+)

--- 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
 		}
 
 		tpm_chip_start(chip);
+		chip->flags |= TPM_CHIP_FLAG_IRQ;
 		if (irq) {
 			tpm_tis_probe_irq_single(chip, intmask, IRQF_SHARED,
 						 irq);