linux-kernel - [PATCH 1/2] dmaengine: Extend the dmaengine

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Message-ID: <20201214081310.10746-2-peter.ujfalusi@ti.com>
Date:   Mon, 14 Dec 2020 10:13:09 +0200
From:   Peter Ujfalusi <peter.ujfalusi@...com>
To:     <vkoul@...nel.org>
CC:     <dan.j.williams@...el.com>, <linux-kernel@...r.kernel.org>,
        <dmaengine@...r.kernel.org>, <vigneshr@...com>,
        <grygorii.strashko@...com>, <kishon@...com>
Subject: [PATCH 1/2] dmaengine: Extend the dmaengine_alignment for 128 and 256 bytes

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@...com>
---
 include/linux/dmaengine.h | 2 ++
 1 file changed, 2 insertions(+)

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,
 };
 
 /**
-- 
Peter

Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki.
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