diff options
author | Andrey Smirnov <andrew.smirnov@gmail.com> | 2019-10-22 18:30:11 +0300 |
---|---|---|
committer | Herbert Xu <herbert@gondor.apana.org.au> | 2019-11-01 08:38:30 +0300 |
commit | f414de2e2fffd89c8a4e5b5e06b0eba5f9d8b1eb (patch) | |
tree | e47834bfdd42d30a83a6e0d672d42d8b4d690116 /drivers | |
parent | e57acaf0dfe0c8f63411d43cf7c689e43f6810c0 (diff) | |
download | linux-f414de2e2fffd89c8a4e5b5e06b0eba5f9d8b1eb.tar.xz |
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>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/crypto/caam/ctrl.c | 14 | ||||
-rw-r--r-- | drivers/crypto/caam/intern.h | 3 | ||||
-rw-r--r-- | drivers/crypto/caam/qi.c | 8 | ||||
-rw-r--r-- | drivers/crypto/caam/qi.h | 1 |
4 files changed, 7 insertions, 19 deletions
diff --git a/drivers/crypto/caam/ctrl.c b/drivers/crypto/caam/ctrl.c index f8c75a999913..7cdb48c7e28e 100644 --- a/drivers/crypto/caam/ctrl.c +++ b/drivers/crypto/caam/ctrl.c @@ -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 = { diff --git a/drivers/crypto/caam/intern.h b/drivers/crypto/caam/intern.h index 359eb76d1259..c7c10c90464b 100644 --- a/drivers/crypto/caam/intern.h +++ b/drivers/crypto/caam/intern.h @@ -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 */ diff --git a/drivers/crypto/caam/qi.c b/drivers/crypto/caam/qi.c index 378f627e1d64..dacf2fa4aa8e 100644 --- a/drivers/crypto/caam/qi.c +++ b/drivers/crypto/caam/qi.c @@ -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) ×_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; } diff --git a/drivers/crypto/caam/qi.h b/drivers/crypto/caam/qi.h index db0549549e3b..848958951f68 100644 --- a/drivers/crypto/caam/qi.h +++ b/drivers/crypto/caam/qi.h @@ -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 |