From: Martin Wilck <Martin.Wilck@ts.fujitsu.com>
Date: Thu, 5 Nov 2015 16:19:09 +0000 (+0100)
Subject: tpm_tis: free irq after probing
X-Git-Tag: firefly_0821_release~176^2~702^2~1^2~5
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=2aef9da60bfdeb68dbcd4f114c098cbaa841b4ee;p=firefly-linux-kernel-4.4.55.git

tpm_tis: free irq after probing

Release IRQs used for probing only. Otherwise the TPM will end up
with all IRQs 3-15 assigned.

Fixes: afb5abc262e9 ("tpm: two-phase chip management functions")
Signed-off-by: Martin Wilck <Martin.Wilck@ts.fujitsu.com>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Tested-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Acked-by: Peter Huewe <PeterHuewe@gmx.de>
---

diff --git a/drivers/char/tpm/tpm_tis.c b/drivers/char/tpm/tpm_tis.c
index 696ef1d56b4f..19f9c7dc7bc0 100644
--- a/drivers/char/tpm/tpm_tis.c
+++ b/drivers/char/tpm/tpm_tis.c
@@ -805,6 +805,8 @@ static int tpm_tis_init(struct device *dev, struct tpm_info *tpm_info,
 			iowrite32(intmask,
 				  chip->vendor.iobase +
 				  TPM_INT_ENABLE(chip->vendor.locality));
+
+			devm_free_irq(dev, i, chip);
 		}
 	}
 	if (chip->vendor.irq) {