From: Fabio Estevam <festevam@gmail.com>
To: Andrey Smirnov <andrew.smirnov@gmail.com>
Cc: "open list:HARDWARE RANDOM NUMBER GENERATOR CORE"
<linux-crypto@vger.kernel.org>, "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 <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 02/12] crypto: caam - use devres to unmap JR's registers
Date: Tue, 3 Sep 2019 23:43:17 -0300 [thread overview]
Message-ID: <CAOMZO5DoaLkycXOfzYQv2CHKSRA9sri5igaVSNhQvxR06Gzv+g@mail.gmail.com> (raw)
In-Reply-To: <20190904023515.7107-3-andrew.smirnov@gmail.com>
Hi Andrey,
On Tue, Sep 3, 2019 at 11:37 PM Andrey Smirnov <andrew.smirnov@gmail.com> wrote:
>
> Use devres to unmap memory and drop explicit de-initialization
> code.
>
> NOTE: There's no corresponding unmapping code in caam_jr_remove which
> seems like a resource leak.
>
> 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 | 13 +++++++++----
> 1 file changed, 9 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/crypto/caam/jr.c b/drivers/crypto/caam/jr.c
> index 417ad52615c6..7947d61a25cf 100644
> --- a/drivers/crypto/caam/jr.c
> +++ b/drivers/crypto/caam/jr.c
> @@ -498,6 +498,7 @@ static int caam_jr_probe(struct platform_device *pdev)
> struct caam_job_ring __iomem *ctrl;
> struct caam_drv_private_jr *jrpriv;
> static int total_jobrs;
> + struct resource *r;
> int error;
>
> jrdev = &pdev->dev;
> @@ -513,9 +514,15 @@ static int caam_jr_probe(struct platform_device *pdev)
> nprop = pdev->dev.of_node;
> /* Get configuration properties from device tree */
> /* First, get register page */
> - ctrl = of_iomap(nprop, 0);
> + r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> + if (!r) {
> + dev_err(jrdev, "platform_get_resource() failed\n");
> + return -ENOMEM;
> + }
> +
> + ctrl = devm_ioremap(jrdev, r->start, resource_size(r));
It seems that using devm_platform_ioremap_resource() could make the
code even smaller.
Regards,
Fabio Estevam
next prev parent reply other threads:[~2019-09-04 2:43 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 [this message]
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 ` [PATCH 06/12] crypto: caam - use devres to remove debugfs Andrey Smirnov
2019-09-09 13:25 ` 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
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