From: Kevin Hilman <khilman@deeprootsystems.com>
To: Paul Walmsley <paul@pwsan.com>
Cc: linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
rnayak@ti.com, tony@atomide.com
Subject: Re: [PATCH] OMAP: hwmod: Handle modules with 16bit registers
Date: Tue, 05 Oct 2010 10:21:04 -0700 [thread overview]
Message-ID: <87wrpwsghr.fsf@deeprootsystems.com> (raw)
In-Reply-To: <alpine.DEB.2.00.1010051058290.13816@utopia.booyaka.com> (Paul Walmsley's message of "Tue, 5 Oct 2010 10:59:44 -0600 (MDT)")
Paul Walmsley <paul@pwsan.com> writes:
> From: Rajendra Nayak <rnayak@ti.com>
>
> Some modules which have 16bit registers can cause imprecise
> aborts if a __raw_readl/writel is used to read/write 32 bits.
>
> Add an additional flag to identify modules which have such
> hard requirement, and handle it in the hwmod framework.
>
> Signed-off-by: Rajendra Nayak <rnayak@ti.com>
> Acked-by: Paul Walmsley <paul@pwsan.com>
Tested-by: Kevin Hilman <khilman@deeprootsystems.com>
Added the flag to the 2420 hwmods and tested this patch on n810 using
the i2c hwmods and it now boots without the imprecise abort.
Kevin
WARNING: multiple messages have this Message-ID (diff)
From: khilman@deeprootsystems.com (Kevin Hilman)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] OMAP: hwmod: Handle modules with 16bit registers
Date: Tue, 05 Oct 2010 10:21:04 -0700 [thread overview]
Message-ID: <87wrpwsghr.fsf@deeprootsystems.com> (raw)
In-Reply-To: <alpine.DEB.2.00.1010051058290.13816@utopia.booyaka.com> (Paul Walmsley's message of "Tue, 5 Oct 2010 10:59:44 -0600 (MDT)")
Paul Walmsley <paul@pwsan.com> writes:
> From: Rajendra Nayak <rnayak@ti.com>
>
> Some modules which have 16bit registers can cause imprecise
> aborts if a __raw_readl/writel is used to read/write 32 bits.
>
> Add an additional flag to identify modules which have such
> hard requirement, and handle it in the hwmod framework.
>
> Signed-off-by: Rajendra Nayak <rnayak@ti.com>
> Acked-by: Paul Walmsley <paul@pwsan.com>
Tested-by: Kevin Hilman <khilman@deeprootsystems.com>
Added the flag to the 2420 hwmods and tested this patch on n810 using
the i2c hwmods and it now boots without the imprecise abort.
Kevin
next prev parent reply other threads:[~2010-10-05 17:21 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-10-05 16:59 [PATCH] OMAP: hwmod: Handle modules with 16bit registers Paul Walmsley
2010-10-05 16:59 ` Paul Walmsley
2010-10-05 17:21 ` Kevin Hilman [this message]
2010-10-05 17:21 ` Kevin Hilman
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