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authorAndrey Smirnov <andrew.smirnov@gmail.com>2019-09-03 19:35:07 -0700
committerHerbert Xu <herbert@gondor.apana.org.au>2019-09-09 23:48:22 +1000
commitf2ef960231d77b72685f81f92b49bfaa22f9973e (patch)
tree14cf4a360c7f6b5831c39b74fc2ec8aa49e248da /drivers/crypto/caam
parent549077d7d86a1a2b8db4d131b260db9c9e206b66 (diff)
crypto: caam - dispose of IRQ mapping only after IRQ is freed
With IRQ requesting being managed by devres we need to make sure that we dispose of IRQ mapping after and not before it is free'd (otherwise we'll end up with a warning from the kernel). To achieve that simply convert IRQ mapping to rely on devres as well. Fixes: f314f12db65c ("crypto: caam - convert caam_jr_init() to use devres") Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com> Cc: Chris Healy <cphealy@gmail.com> Cc: Lucas Stach <l.stach@pengutronix.de> Cc: Horia Geantă <horia.geanta@nxp.com> Cc: Herbert Xu <herbert@gondor.apana.org.au> Cc: Iuliana Prodan <iuliana.prodan@nxp.com> Cc: linux-crypto@vger.kernel.org Cc: linux-kernel@vger.kernel.org Reviewed-by: Horia Geantă <horia.geanta@nxp.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/caam')
-rw-r--r--drivers/crypto/caam/jr.c14
1 files changed, 10 insertions, 4 deletions
diff --git a/drivers/crypto/caam/jr.c b/drivers/crypto/caam/jr.c
index 2732f3a0725a..d11956bc358f 100644
--- a/drivers/crypto/caam/jr.c
+++ b/drivers/crypto/caam/jr.c
@@ -146,7 +146,6 @@ static int caam_jr_remove(struct platform_device *pdev)
ret = caam_jr_shutdown(jrdev);
if (ret)
dev_err(jrdev, "Failed to shut down job ring\n");
- irq_dispose_mapping(jrpriv->irq);
return ret;
}
@@ -487,6 +486,10 @@ static int caam_jr_init(struct device *dev)
return error;
}
+static void caam_jr_irq_dispose_mapping(void *data)
+{
+ irq_dispose_mapping((int)data);
+}
/*
* Probe routine for each detected JobR subsystem.
@@ -542,12 +545,15 @@ static int caam_jr_probe(struct platform_device *pdev)
return -EINVAL;
}
+ error = devm_add_action_or_reset(jrdev, caam_jr_irq_dispose_mapping,
+ (void *)jrpriv->irq);
+ if (error)
+ return error;
+
/* Now do the platform independent part */
error = caam_jr_init(jrdev); /* now turn on hardware */
- if (error) {
- irq_dispose_mapping(jrpriv->irq);
+ if (error)
return error;
- }
jrpriv->dev = jrdev;
spin_lock(&driver_data.jr_alloc_lock);