Use devres to de-initialize the RNG and drop explicit de-initialization code in caam_remove(). Signed-off-by: Andrey Smirnov <andrew.smirnov@xxxxxxxxx> Cc: Chris Healy <cphealy@xxxxxxxxx> Cc: Lucas Stach <l.stach@xxxxxxxxxxxxxx> Cc: Horia Geantă <horia.geanta@xxxxxxx> Cc: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> Cc: Iuliana Prodan <iuliana.prodan@xxxxxxx> Cc: linux-crypto@xxxxxxxxxxxxxxx Cc: linux-kernel@xxxxxxxxxxxxxxx --- drivers/crypto/caam/ctrl.c | 26 +++----------------------- 1 file changed, 3 insertions(+), 23 deletions(-) diff --git a/drivers/crypto/caam/ctrl.c b/drivers/crypto/caam/ctrl.c index 37cd04f8ddb1..4a84c2701311 100644 --- a/drivers/crypto/caam/ctrl.c +++ b/drivers/crypto/caam/ctrl.c @@ -322,20 +322,6 @@ static int instantiate_rng(struct device *ctrldev, int state_handle_mask, return ret; } -static int caam_remove(struct platform_device *pdev) -{ - struct device *ctrldev; - struct caam_drv_private *ctrlpriv; - - ctrldev = &pdev->dev; - ctrlpriv = dev_get_drvdata(ctrldev); - - /* Remove platform devices under the crypto node */ - of_platform_depopulate(ctrldev); - - return 0; -} - /* * kick_trng - sets the various parameters for enabling the initialization * of the RNG4 block in CAAM @@ -762,7 +748,7 @@ static int caam_probe(struct platform_device *pdev) #endif } - ret = of_platform_populate(nprop, caam_match, NULL, dev); + ret = devm_of_platform_populate(dev); if (ret) { dev_err(dev, "JR platform devices creation error\n"); return ret; @@ -784,8 +770,7 @@ static int caam_probe(struct platform_device *pdev) /* If no QI and no rings specified, quit and go home */ if ((!ctrlpriv->qi_present) && (!ctrlpriv->total_jobrs)) { dev_err(dev, "no queues configured, terminating\n"); - ret = -ENOMEM; - goto caam_remove; + return -ENOMEM; } if (ctrlpriv->era < 10) @@ -848,7 +833,7 @@ static int caam_probe(struct platform_device *pdev) } while ((ret == -EAGAIN) && (ent_delay < RTSDCTL_ENT_DLY_MAX)); if (ret) { dev_err(dev, "failed to instantiate RNG"); - goto caam_remove; + return ret; } /* * Set handles init'ed by this module as the complement of the @@ -922,10 +907,6 @@ static int caam_probe(struct platform_device *pdev) &ctrlpriv->ctl_tdsk_wrap); #endif return 0; - -caam_remove: - caam_remove(pdev); - return ret; } static struct platform_driver caam_driver = { @@ -934,7 +915,6 @@ static struct platform_driver caam_driver = { .of_match_table = caam_match, }, .probe = caam_probe, - .remove = caam_remove, }; module_platform_driver(caam_driver); -- 2.21.0