From: Arnd Bergmann <arnd@arndb.de>
To: linux-arm-kernel@lists.infradead.org
Cc: Mauro Carvalho Chehab <mchehab@osg.samsung.com>,
Linux Media Mailing List <linux-media@vger.kernel.org>,
Krzysztof Kozlowski <k.kozlowski@samsung.com>,
linux-samsung-soc@vger.kernel.org,
Kyungmin Park <kyungmin.park@samsung.com>,
Kukjin Kim <kgene@kernel.org>,
Sylwester Nawrocki <s.nawrocki@samsung.com>
Subject: Re: [PATCH 5/7] [media] mipi-csis: make sparse happy
Date: Sat, 03 Oct 2015 00:25:57 +0200 [thread overview]
Message-ID: <4962836.RxBJeKxGZM@wuerfel> (raw)
In-Reply-To: <de2ce8fd84f965a270bad28d284932bf20c349be.1443737683.git.mchehab@osg.samsung.com>
On Thursday 01 October 2015 19:17:27 Mauro Carvalho Chehab wrote:
> diff --git a/drivers/media/platform/exynos4-is/mipi-csis.c b/drivers/media/platform/exynos4-is/mipi-csis.c
> index d74e1bec3d86..4b85105dc159 100644
> --- a/drivers/media/platform/exynos4-is/mipi-csis.c
> +++ b/drivers/media/platform/exynos4-is/mipi-csis.c
> @@ -706,7 +706,8 @@ static irqreturn_t s5pcsis_irq_handler(int irq, void *dev_id)
> else
> offset = S5PCSIS_PKTDATA_ODD;
>
> - memcpy(pktbuf->data, state->regs + offset, pktbuf->len);
> + memcpy(pktbuf->data, (u8 __force *)state->regs + offset,
> + pktbuf->len);
> pktbuf->data = NULL;
>
I think this is what memcpy_toio() is meant for.
Arnd
WARNING: multiple messages have this Message-ID (diff)
From: arnd@arndb.de (Arnd Bergmann)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 5/7] [media] mipi-csis: make sparse happy
Date: Sat, 03 Oct 2015 00:25:57 +0200 [thread overview]
Message-ID: <4962836.RxBJeKxGZM@wuerfel> (raw)
In-Reply-To: <de2ce8fd84f965a270bad28d284932bf20c349be.1443737683.git.mchehab@osg.samsung.com>
On Thursday 01 October 2015 19:17:27 Mauro Carvalho Chehab wrote:
> diff --git a/drivers/media/platform/exynos4-is/mipi-csis.c b/drivers/media/platform/exynos4-is/mipi-csis.c
> index d74e1bec3d86..4b85105dc159 100644
> --- a/drivers/media/platform/exynos4-is/mipi-csis.c
> +++ b/drivers/media/platform/exynos4-is/mipi-csis.c
> @@ -706,7 +706,8 @@ static irqreturn_t s5pcsis_irq_handler(int irq, void *dev_id)
> else
> offset = S5PCSIS_PKTDATA_ODD;
>
> - memcpy(pktbuf->data, state->regs + offset, pktbuf->len);
> + memcpy(pktbuf->data, (u8 __force *)state->regs + offset,
> + pktbuf->len);
> pktbuf->data = NULL;
>
I think this is what memcpy_toio() is meant for.
Arnd
next prev parent reply other threads:[~2015-10-02 22:26 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-01 22:17 [PATCH 0/7] Fix most sparse warnings Mauro Carvalho Chehab
2015-10-01 22:17 ` [PATCH 1/7] [media] media-entity.c: get rid of var length arrays Mauro Carvalho Chehab
2015-10-01 22:17 ` [PATCH 2/7] [media] s5c73m3: fix a sparse warning Mauro Carvalho Chehab
2015-10-01 22:17 ` [PATCH 3/7] [media] netup_unidvb: remove most of the sparse warnings Mauro Carvalho Chehab
2015-10-01 22:17 ` [PATCH 4/7] [media] netup_unidvb_ci: Fix dereference of noderef expression Mauro Carvalho Chehab
2015-10-01 22:17 ` [PATCH 5/7] [media] mipi-csis: make sparse happy Mauro Carvalho Chehab
2015-10-01 22:17 ` Mauro Carvalho Chehab
2015-10-02 22:25 ` Arnd Bergmann [this message]
2015-10-02 22:25 ` Arnd Bergmann
2015-10-05 10:24 ` Sylwester Nawrocki
2015-10-05 10:24 ` Sylwester Nawrocki
2015-10-05 11:07 ` Arnd Bergmann
2015-10-05 11:07 ` Arnd Bergmann
2015-10-05 12:23 ` Sylwester Nawrocki
2015-10-05 12:23 ` Sylwester Nawrocki
2015-10-01 22:17 ` [PATCH 6/7] [media] c8sectpfe: fix namespace on memcpy/memset Mauro Carvalho Chehab
2015-10-01 22:17 ` Mauro Carvalho Chehab
2015-10-02 22:27 ` Arnd Bergmann
2015-10-02 22:27 ` Arnd Bergmann
2015-10-01 22:17 ` [PATCH 7/7] [media] rcar_jpu: Fix namespace for two __be16 vars Mauro Carvalho Chehab
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