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[v2,1/3] dmaengine: Extend the dmaengine_alignment for 128 and 256 bytes

Message ID 20210113114923.9231-2-peter.ujfalusi@gmail.com (mailing list archive)
State Accepted
Headers show
Series dmaengine: ti: k3-udma: memcpy throughput improvement | expand

Commit Message

Péter Ujfalusi Jan. 13, 2021, 11:49 a.m. UTC 
From: Peter Ujfalusi <peter.ujfalusi@ti.com>

Some DMA device can benefit with higher order of alignment than the maximum
of 64 bytes currently defined.

Define 128 and 256 bytes alignment for these devices.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@gmail.com>
Tested-by: Kishon Vijay Abraham I <kishon@ti.com>
---
 include/linux/dmaengine.h | 2 ++
 1 file changed, 2 insertions(+)
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Patch

diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h
index 68130f5f599e..004736b6a9c8 100644
--- a/include/linux/dmaengine.h
+++ b/include/linux/dmaengine.h
@@ -745,6 +745,8 @@  enum dmaengine_alignment {
 	DMAENGINE_ALIGN_16_BYTES = 4,
 	DMAENGINE_ALIGN_32_BYTES = 5,
 	DMAENGINE_ALIGN_64_BYTES = 6,
+	DMAENGINE_ALIGN_128_BYTES = 7,
+	DMAENGINE_ALIGN_256_BYTES = 8,
 };
 
 /**