linux-kernel - Re: [PATCH -mm 1/7] sparc: unify 32bit and 64bit dma_set

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Message-Id: <20100212.170948.62243103.davem@davemloft.net>
Date:	Fri, 12 Feb 2010 17:09:48 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	fujita.tomonori@....ntt.co.jp
Cc:	linux-kernel@...r.kernel.org, akpm@...ux-foundation.org
Subject: Re: [PATCH -mm 1/7] sparc: unify 32bit and 64bit dma_set_mask

From: FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>
Date: Fri, 12 Feb 2010 18:33:26 +0900

> sparc has two dma_set_mask implementations for 32bit and 64bit. They
> are same except for the error returned value. We can safely unify them
> since the error returned value doesn't matter as long as it is
> negative (as DMA-API.txt describes).
> 
> This patch also changes dma_set_mask not to call
> pci_set_dma_mask. Instead, dma_set_mask does the same thing that
> pci_set_dma_mask does. This change enables ut to change
> pci_set_dma_mask to call dma_set_mask; we can implement
> pci_set_dma_mask as pci-dma-compat.h does.
> 
> Signed-off-by: FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>

Acked-by: David S. Miller <davem@...emloft.net>
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