| Message ID | 20190904023515.7107-5-andrew.smirnov@gmail.com (mailing list archive) |
|---|---|
| State | Accepted |
| Delegated to: | Herbert Xu |
| Headers | show |
| Series | CAAM bugfixes, small improvements | expand |
On 9/4/2019 5:35 AM, Andrey Smirnov wrote: > 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 Cc: <stable@vger.kernel.org> Reviewed-by: Horia Geantă <horia.geanta@nxp.com> I'd prefer pushing patches 1 and 4 first, considering they are fixes while the rest are optimizations. Thanks, Horia
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);
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 --- drivers/crypto/caam/jr.c | 14 ++++++++++---- 1 file changed, 10 insertions(+), 4 deletions(-)