linux-kernel - Re: [PATCH] acpi-dma: fix sparse warning

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Message-ID: <20130618143622.GC11878@intel.com>
Date:	Tue, 18 Jun 2013 17:36:22 +0300
From:	Mika Westerberg <mika.westerberg@...ux.intel.com>
To:	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc:	Vinod Koul <vinod.koul@...el.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] acpi-dma: fix sparse warning

On Tue, Jun 18, 2013 at 05:19:27PM +0300, Andy Shevchenko wrote:
> This patch fixes sparse warning:
> 	drivers/dma/acpi-dma.c:76:21: sparse: cast to restricted __le32
> 
> Since everything in all ACPI tables is little-endian, by definition, the used
> types in practice are uXX. Thus, we have to enforce __leXX if we want to
> convert them to CPU order.
> 
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>

Even though it is ugly,

Reviewed-by: Mika Westerberg <mika.westerberg@...ux.intel.com>
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