From: kgene.kim@samsung.com (Kukjin Kim)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] ARM: dts: Removing pdma for SSDK5440
Date: Tue, 11 Jun 2013 19:18:38 +0900 [thread overview]
Message-ID: <10b101ce668d$0a341390$1e9c3ab0$%kim@samsung.com> (raw)
In-Reply-To: <51B6E49D.7000408@samsung.com>
Sylwester Nawrocki wrote:
>
Hi Sylwester,
> On 06/11/2013 10:02 AM, Kukjin Kim wrote:
> > From: Giridhar Maruthy <giridhar.m@samsung.com>
> >
> > Since the pdma works only in secure mode, accessing the same
> > in hypervisor mode gives an abort. As we are not using pdma
> > anywhere (including spi), removing the same.
> >
> > Signed-off-by: Giridhar Maruthy <giridhar.m@samsung.com>
> > Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
>
> I was wondering, wouldn't it be sufficient to add status = "disabled";
> in those pdma nodes, to avoid re-adding them in future ?
Yeah, could be. But the pdma will not be used on exynos5440 in future and if
some guy use it in non-secure mode, it will cause problem, so I want to
remove that.
> As for the DMA properties in the spi device nodes, they should indeed
> be removed, as generic DMA bindings would be used instead.
>
Yes, agreed. So I'd prefer to remove that :-)
Thanks,
Kukjin
prev parent reply other threads:[~2013-06-11 10:18 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-11 8:02 [PATCH] ARM: dts: Removing pdma for SSDK5440 Kukjin Kim
2013-06-11 8:49 ` Sylwester Nawrocki
2013-06-11 10:18 ` Kukjin Kim [this message]
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