linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Andrey Smirnov <andrew.smirnov@gmail.com>
To: linux-crypto@vger.kernel.org
Cc: "Andrey Smirnov" <andrew.smirnov@gmail.com>,
	"Chris Healy" <cphealy@gmail.com>,
	"Lucas Stach" <l.stach@pengutronix.de>,
	"Horia Geantă" <horia.geanta@nxp.com>,
	"Herbert Xu" <herbert@gondor.apana.org.au>,
	"Iuliana Prodan" <iuliana.prodan@nxp.com>,
	linux-kernel@vger.kernel.org
Subject: [PATCH 06/12] crypto: caam - use devres to remove debugfs
Date: Tue,  3 Sep 2019 19:35:09 -0700	[thread overview]
Message-ID: <20190904023515.7107-7-andrew.smirnov@gmail.com> (raw)
In-Reply-To: <20190904023515.7107-1-andrew.smirnov@gmail.com>

Use devres to remove debugfs and drop corresponding
debugfs_remove_recursive() call.

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/ctrl.c   | 21 ++++++++++++++-------
 drivers/crypto/caam/intern.h |  1 -
 2 files changed, 14 insertions(+), 8 deletions(-)

diff --git a/drivers/crypto/caam/ctrl.c b/drivers/crypto/caam/ctrl.c
index 35bf82d1bedc..254963498abc 100644
--- a/drivers/crypto/caam/ctrl.c
+++ b/drivers/crypto/caam/ctrl.c
@@ -327,11 +327,6 @@ static int caam_remove(struct platform_device *pdev)
 	if (!ctrlpriv->mc_en && ctrlpriv->rng4_sh_init)
 		deinstantiate_rng(ctrldev, ctrlpriv->rng4_sh_init);
 
-	/* Shut down debug views */
-#ifdef CONFIG_DEBUG_FS
-	debugfs_remove_recursive(ctrlpriv->dfs_root);
-#endif
-
 	return 0;
 }
 
@@ -563,6 +558,13 @@ static int init_clocks(struct device *dev, const struct caam_imx_data *data)
 	return devm_add_action_or_reset(dev, disable_clocks, ctrlpriv);
 }
 
+#ifdef CONFIG_DEBUG_FS
+static void caam_remove_debugfs(void *root)
+{
+	debugfs_remove_recursive(root);
+}
+#endif
+
 /* Probe routine for CAAM top (controller) level */
 static int caam_probe(struct platform_device *pdev)
 {
@@ -575,6 +577,7 @@ static int caam_probe(struct platform_device *pdev)
 	struct caam_drv_private *ctrlpriv;
 #ifdef CONFIG_DEBUG_FS
 	struct caam_perfmon *perfmon;
+	struct dentry *dfs_root;
 #endif
 	u32 scfgr, comp_params;
 	u8 rng_vid;
@@ -728,8 +731,12 @@ static int caam_probe(struct platform_device *pdev)
 	 */
 	perfmon = (struct caam_perfmon __force *)&ctrl->perfmon;
 
-	ctrlpriv->dfs_root = debugfs_create_dir(dev_name(dev), NULL);
-	ctrlpriv->ctl = debugfs_create_dir("ctl", ctrlpriv->dfs_root);
+	dfs_root = debugfs_create_dir(dev_name(dev), NULL);
+	ret = devm_add_action_or_reset(dev, caam_remove_debugfs, dfs_root);
+	if (ret)
+		return ret;
+
+	ctrlpriv->ctl = debugfs_create_dir("ctl", dfs_root);
 #endif
 
 	/* Check to see if (DPAA 1.x) QI present. If so, enable */
diff --git a/drivers/crypto/caam/intern.h b/drivers/crypto/caam/intern.h
index 731b06becd9c..359eb76d1259 100644
--- a/drivers/crypto/caam/intern.h
+++ b/drivers/crypto/caam/intern.h
@@ -102,7 +102,6 @@ struct caam_drv_private {
 	 * variables at runtime.
 	 */
 #ifdef CONFIG_DEBUG_FS
-	struct dentry *dfs_root;
 	struct dentry *ctl; /* controller dir */
 	struct debugfs_blob_wrapper ctl_kek_wrap, ctl_tkek_wrap, ctl_tdsk_wrap;
 #endif
-- 
2.21.0


  parent reply	other threads:[~2019-09-04  2:36 UTC|newest]

Thread overview: 43+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-04  2:35 [PATCH 00/12] CAAM bugfixes, small improvements Andrey Smirnov
2019-09-04  2:35 ` [PATCH 01/12] crypto: caam - make sure clocks are enabled first Andrey Smirnov
2019-09-06 11:18   ` Horia Geanta
2019-09-09  7:21     ` Herbert Xu
2019-09-09  7:22       ` Herbert Xu
2019-09-04  2:35 ` [PATCH 02/12] crypto: caam - use devres to unmap JR's registers Andrey Smirnov
2019-09-04  2:43   ` Fabio Estevam
2019-09-04  2:55     ` Andrey Smirnov
2019-09-09 13:01   ` Horia Geanta
2019-09-04  2:35 ` [PATCH 03/12] crypto: caam - check irq_of_parse_and_map for errors Andrey Smirnov
2019-09-06 12:29   ` Horia Geanta
2019-09-04  2:35 ` [PATCH 04/12] crypto: caam - dispose of IRQ mapping only after IRQ is freed Andrey Smirnov
2019-09-06 12:26   ` Horia Geanta
2019-09-09  7:46   ` crypto: caam - Cast to long first before pointer conversion Herbert Xu
2019-09-09 11:06     ` Horia Geanta
2019-09-09 13:55     ` [v2 PATCH] " Herbert Xu
2019-09-04  2:35 ` [PATCH 05/12] crypto: caam - use devres to unmap memory Andrey Smirnov
2019-09-09 13:20   ` Horia Geanta
2019-09-04  2:35 ` Andrey Smirnov [this message]
2019-09-09 13:25   ` [PATCH 06/12] crypto: caam - use devres to remove debugfs Horia Geanta
2019-09-04  2:35 ` [PATCH 07/12] crypto: caam - use devres to de-initialize the RNG Andrey Smirnov
2019-09-09 15:39   ` Horia Geanta
2019-09-18  6:06     ` Andrey Smirnov
2019-09-04  2:35 ` [PATCH 08/12] crypto: caam - use devres to de-initialize QI Andrey Smirnov
2019-09-20 15:10   ` Horia Geanta
2019-09-04  2:35 ` [PATCH 09/12] crypto: caam - user devres to populate platform devices Andrey Smirnov
2019-09-20 15:29   ` Horia Geanta
2019-09-04  2:35 ` [PATCH 10/12] crypto: caam - populate platform devices last Andrey Smirnov
2019-09-20 15:35   ` Horia Geanta
2019-09-04  2:35 ` [PATCH 11/12] crypto: caam - convert caamrng to platform device Andrey Smirnov
2019-09-11  9:35   ` [PATCH] crypto: caam - use the same jr for rng init/exit Horia Geanta
2019-09-18  6:01     ` Andrey Smirnov
2019-09-20 15:50       ` Horia Geanta
2019-09-04  2:35 ` [PATCH 12/12] crypto: caam - change JR device ownership scheme Andrey Smirnov
2019-09-13 19:16   ` Leonard Crestez
2019-09-18  3:13     ` Andrey Smirnov
2019-09-19 11:19       ` Horia Geanta
2019-09-19 13:45         ` Herbert Xu
2019-09-09  7:53 ` [PATCH 00/12] CAAM bugfixes, small improvements Herbert Xu
2019-09-09 12:07   ` Horia Geanta
2019-09-09 12:52     ` Herbert Xu
2019-09-09 13:26       ` Horia Geanta
2019-09-09 13:52         ` Herbert Xu

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20190904023515.7107-7-andrew.smirnov@gmail.com \
    --to=andrew.smirnov@gmail.com \
    --cc=cphealy@gmail.com \
    --cc=herbert@gondor.apana.org.au \
    --cc=horia.geanta@nxp.com \
    --cc=iuliana.prodan@nxp.com \
    --cc=l.stach@pengutronix.de \
    --cc=linux-crypto@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).