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crypto: caam - use devres to de-initialize QI 

Use devres to de-initialize the QI and drop explicit de-initialization
code in caam_remove().

Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Reviewed-by: Horia Geantă <horia.geanta@nxp.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
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Andrey Smirnov 2019-10-22 08:30:11 -07:00 committed by Herbert Xu
parent e57acaf0df
commit f414de2e2f
4 changed files with 7 additions and 19 deletions
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14
drivers/crypto/caam/ctrl.c
View File

@ -332,11 +332,6 @@ static int caam_remove(struct platform_device *pdev)
/* Remove platform devices under the crypto node */
of_platform_depopulate(ctrldev);
#ifdef CONFIG_CAAM_QI
if (ctrlpriv->qi_init)
caam_qi_shutdown(ctrldev);
#endif
return 0;
}
@ -769,7 +764,7 @@ static int caam_probe(struct platform_device *pdev)
ret = of_platform_populate(nprop, caam_match, NULL, dev);
if (ret) {
dev_err(dev, "JR platform devices creation error\n");
goto shutdown_qi;
return ret;
}
ring = 0;
@ -930,13 +925,6 @@ static int caam_probe(struct platform_device *pdev)
caam_remove:
caam_remove(pdev);
return ret;
shutdown_qi:
#ifdef CONFIG_CAAM_QI
if (ctrlpriv->qi_init)
caam_qi_shutdown(dev);
#endif
return ret;
}
static struct platform_driver caam_driver = {

3
drivers/crypto/caam/intern.h
View File

@ -81,9 +81,6 @@ struct caam_drv_private {
*/
u8 total_jobrs; /* Total Job Rings in device */
u8 qi_present; /* Nonzero if QI present in device */
#ifdef CONFIG_CAAM_QI
u8 qi_init; /* Nonzero if QI has been initialized */
#endif
u8 mc_en; /* Nonzero if MC f/w is active */
int secvio_irq; /* Security violation interrupt number */
int virt_en; /* Virtualization enabled in CAAM */

8
drivers/crypto/caam/qi.c
View File

@ -500,9 +500,10 @@ void caam_drv_ctx_rel(struct caam_drv_ctx *drv_ctx)
}
EXPORT_SYMBOL(caam_drv_ctx_rel);
void caam_qi_shutdown(struct device *qidev)
static void caam_qi_shutdown(void *data)
{
int i;
struct device *qidev = data;
struct caam_qi_priv *priv = &qipriv;
const cpumask_t *cpus = qman_affine_cpus();
@ -761,7 +762,10 @@ int caam_qi_init(struct platform_device *caam_pdev)
&times_congested, &caam_fops_u64_ro);
#endif
ctrlpriv->qi_init = 1;
err = devm_add_action_or_reset(qidev, caam_qi_shutdown, ctrlpriv);
if (err)
return err;
dev_info(qidev, "Linux CAAM Queue I/F driver initialised\n");
return 0;
}

1
drivers/crypto/caam/qi.h
View File

@ -147,7 +147,6 @@ int caam_drv_ctx_update(struct caam_drv_ctx *drv_ctx, u32 *sh_desc);
void caam_drv_ctx_rel(struct caam_drv_ctx *drv_ctx);
int caam_qi_init(struct platform_device *pdev);
void caam_qi_shutdown(struct device *dev);
/**
* qi_cache_alloc - Allocate buffers from CAAM-QI cache