From: Dan Williams <dan.j.williams@intel.com>
To: linux-kernel@vger.kernel.org
Cc: linux-raid@vger.kernel.org, maciej.sosnowski@intel.com
Subject: [PATCH 6/8] dmaengine: include xor/pq validate in device_has_all_tx_types()
Date: Fri, 20 Nov 2009 00:06:44 -0700 [thread overview]
Message-ID: <20091120070644.13478.82384.stgit@dwillia2-linux.ch.intel.com> (raw)
In-Reply-To: <20091120070506.13478.77838.stgit@dwillia2-linux.ch.intel.com>
A channel must include these capabilities to satisfy
ASYNC_TX_DISABLE_CHANNEL_SWITCH.
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---
drivers/dma/dmaengine.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c
index bd0b248..b6442f0 100644
--- a/drivers/dma/dmaengine.c
+++ b/drivers/dma/dmaengine.c
@@ -632,11 +632,15 @@ static bool device_has_all_tx_types(struct dma_device *device)
#if defined(CONFIG_ASYNC_XOR) || defined(CONFIG_ASYNC_XOR_MODULE)
if (!dma_has_cap(DMA_XOR, device->cap_mask))
return false;
+ if (!dma_has_cap(DMA_XOR_VAL, device->cap_mask))
+ return false;
#endif
#if defined(CONFIG_ASYNC_PQ) || defined(CONFIG_ASYNC_PQ_MODULE)
if (!dma_has_cap(DMA_PQ, device->cap_mask))
return false;
+ if (!dma_has_cap(DMA_PQ_VAL, device->cap_mask))
+ return false;
#endif
return true;
next prev parent reply other threads:[~2009-11-20 7:06 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-11-20 7:06 [PATCH 0/8] ioat fixes for 2.6.32 Dan Williams
2009-11-20 7:06 ` [PATCH 1/8] ioat: silence "dca disabled" messages Dan Williams
2009-11-20 7:06 ` [PATCH 2/8] ioat3: dca and raid operations are incompatible Dan Williams
2009-11-20 7:06 ` [PATCH 3/8] ioat2,3: disable asynchronous error notifications Dan Williams
2009-11-20 7:06 ` [PATCH 4/8] ioat3: specify valid address for disabled-Q or disabled-P Dan Williams
2009-11-20 7:06 ` [PATCH 5/8] ioat2,3: report all uncorrectable errors Dan Williams
2009-11-20 7:06 ` Dan Williams [this message]
2009-11-20 7:06 ` [PATCH 7/8] async_tx: build-time toggling of async_{syndrome, xor}_val dma support Dan Williams
2009-11-20 7:06 ` [PATCH 8/8] ioat3: fix pq completion versus channel deallocation race Dan Williams
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