From: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Date: Fri, 5 Sep 2008 08:58:49 +0000 (+0900)
Subject: x86: gart alloc_coherent doesn't need to check NULL device argument
X-Git-Tag: v2.6.28-rc1~712^2^4~64
X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=551b4545bf9658dc5ae5a1277dcd4d7bf0028b28;p=linux-2.6-omap-h63xx.git

x86: gart alloc_coherent doesn't need to check NULL device argument

asm/dma-mapping.h guarantees that gart alloc_coherent doesn't get NULL
device argument.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Acked-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

diff --git a/arch/x86/kernel/pci-gart_64.c b/arch/x86/kernel/pci-gart_64.c
index 4d0864900b8..0b99d4a06f7 100644
--- a/arch/x86/kernel/pci-gart_64.c
+++ b/arch/x86/kernel/pci-gart_64.c
@@ -506,9 +506,6 @@ gart_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_addr,
 
 	align_mask = (1UL << get_order(size)) - 1;
 
-	if (!dev)
-		dev = &x86_dma_fallback_dev;
-
 	*dma_addr = dma_map_area(dev, __pa(vaddr), size, DMA_BIDIRECTIONAL,
 				 align_mask);
 	flush_gart();