From: shawnguo@kernel.org (Shawn Guo)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] ARM: i.MX: Disable supervisor protect for i.MX51
Date: Tue, 28 Jun 2016 10:36:52 +0800 [thread overview]
Message-ID: <20160628023652.GE21328@tiger> (raw)
In-Reply-To: <1466832375-32071-1-git-send-email-shc_work@mail.ru>
On Sat, Jun 25, 2016 at 08:26:15AM +0300, Alexander Shiyan wrote:
> Most peripherals on the i.MX51 have an Off-Platform Peripheral Access
> Control Register (OPACR) in which the access rights (together with the
> MPROT registers) can be declared.
> However, this does not seem to work for example for SSI1+SDMA, because the
> supervisor bit is not set for the SDMA unit.
> A similar problem was described in the patch for i.MX53 CPU
> (ARM: i.MX53: globally disable supervisor protect), and the same solution
> is applicable for i.MX51 CPU.
> Patch has tested on custom board based on Digi CCMX-51 module (i.MX51).
>
> Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Applied, thanks.
prev parent reply other threads:[~2016-06-28 2:36 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-25 5:26 [PATCH] ARM: i.MX: Disable supervisor protect for i.MX51 Alexander Shiyan
2016-06-28 2:36 ` Shawn Guo [this message]
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