From: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
To: xen-devel@lists.xensource.com
Cc: Ian.Campbell@citrix.com,
Stefano Stabellini <stefano.stabellini@eu.citrix.com>,
catalin.marinas@arm.com, konrad.wilk@oracle.com,
will.deacon@arm.com, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org
Subject: [PATCH RFC 3/8] arm64: do not initialize arm64_swiotlb if dma_ops is already set
Date: Wed, 31 Jul 2013 18:45:27 +0100 [thread overview]
Message-ID: <1375292732-7627-3-git-send-email-stefano.stabellini@eu.citrix.com> (raw)
In-Reply-To: <alpine.DEB.2.02.1307311833040.4893@kaball.uk.xensource.com>
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
CC: catalin.marinas@arm.com
CC: will.deacon@arm.com
---
arch/arm64/mm/dma-mapping.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/arch/arm64/mm/dma-mapping.c b/arch/arm64/mm/dma-mapping.c
index 4bd7579..a006e84 100644
--- a/arch/arm64/mm/dma-mapping.c
+++ b/arch/arm64/mm/dma-mapping.c
@@ -63,6 +63,8 @@ static struct dma_map_ops arm64_swiotlb_dma_ops = {
void __init arm64_swiotlb_init(void)
{
+ if (dma_ops != NULL)
+ return;
dma_ops = &arm64_swiotlb_dma_ops;
swiotlb_init(1);
}
--
1.7.2.5
next prev parent reply other threads:[~2013-07-31 17:45 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-31 17:44 [PATCH RFC 0/8] enable swiotlb-xen on arm and arm64 Stefano Stabellini
2013-07-31 17:45 ` [PATCH RFC 1/8] arm: make SWIOTLB available Stefano Stabellini
2013-08-01 0:32 ` Konrad Rzeszutek Wilk
2013-08-02 11:59 ` Stefano Stabellini
2013-08-02 12:13 ` Konrad Rzeszutek Wilk
2013-08-02 12:18 ` Stefano Stabellini
2013-08-01 11:09 ` Russell King - ARM Linux
2013-08-02 12:09 ` Stefano Stabellini
2013-07-31 17:45 ` [PATCH RFC 2/8] arm: introduce a global dma_ops pointer Stefano Stabellini
2013-07-31 17:45 ` Stefano Stabellini [this message]
2013-07-31 17:45 ` [PATCH RFC 4/8] xen/arm,arm64: move Xen initialization earlier Stefano Stabellini
2013-08-01 0:35 ` Konrad Rzeszutek Wilk
2013-07-31 17:45 ` [PATCH RFC 5/8] xen: introduce XENMEM_get_dma_buf and xen_put_dma_buf Stefano Stabellini
2013-08-01 0:36 ` Konrad Rzeszutek Wilk
2013-08-01 15:13 ` Stefano Stabellini
2013-07-31 17:45 ` [PATCH RFC 6/8] xen: make xen_create_contiguous_region return the dma address Stefano Stabellini
2013-08-01 11:34 ` David Vrabel
2013-07-31 17:45 ` [PATCH RFC 7/8] swiotlb-xen: support autotranslate guests Stefano Stabellini
2013-07-31 19:03 ` Stefano Stabellini
2013-08-02 12:37 ` Konrad Rzeszutek Wilk
2013-08-02 16:12 ` Stefano Stabellini
2013-07-31 17:45 ` [PATCH RFC 8/8] xen/arm,arm64: enable SWIOTLB_XEN Stefano Stabellini
2013-08-02 12:40 ` Konrad Rzeszutek Wilk
2013-08-02 16:25 ` Stefano Stabellini
2013-07-31 19:44 ` [PATCH RFC 0/8] enable swiotlb-xen on arm and arm64 Stefano Stabellini
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