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[91.157.87.152]) by smtp.gmail.com with ESMTPSA id f19sm186489lfc.71.2021.01.13.03.47.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 13 Jan 2021 03:47:15 -0800 (PST) From: Peter Ujfalusi To: vkoul@kernel.org Cc: dan.j.williams@intel.com, linux-kernel@vger.kernel.org, dmaengine@vger.kernel.org, vigneshr@ti.com, grygorii.strashko@ti.com, kishon@ti.com Subject: [PATCH v2 1/3] dmaengine: Extend the dmaengine_alignment for 128 and 256 bytes Date: Wed, 13 Jan 2021 13:49:21 +0200 Message-Id: <20210113114923.9231-2-peter.ujfalusi@gmail.com> X-Mailer: git-send-email 2.30.0 In-Reply-To: <20210113114923.9231-1-peter.ujfalusi@gmail.com> References: <20210113114923.9231-1-peter.ujfalusi@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Peter Ujfalusi 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 Signed-off-by: Peter Ujfalusi Tested-by: Kishon Vijay Abraham I --- 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, }; /** -- 2.30.0