linux-kernel - RE: [PATCH] Fix fsldma.c warning messages when it's compiled underPPC64.

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Message-ID: <ABF87B0B6A38C0458E319AC973ED68AED33740@zch01exm26.fsl.freescale.net>
Date:	Wed, 19 Mar 2008 09:52:57 +0800
From:	"Zhang Wei" <Wei.Zhang@...escale.com>
To:	"Wood Scott" <scottwood@...escale.com>
Cc:	"Dan Williams" <dan.j.williams@...el.com>,
	"Olof Johansson" <olof@...om.net>, <sfr@...b.auug.org.au>,
	<linux-kernel@...r.kernel.org>
Subject: RE: [PATCH] Fix fsldma.c warning messages when it's compiled underPPC64.

 

> -----Original Message-----
> From: Wood Scott 
> 
> >>>  The reason is the val will be assigned to SR register, and 
> >> SR register
> >>>   is a 32-bit only register.
> >> If this is the case then why not disable the driver for PPC_64?
> 
> May I point out that SR is a status register, and not an address, and 
> thus it should never have been dma_addr_t to begin with?
> 
Never, thus u32 is good for SR.

Cheers!
Wei.