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Commit ab2c5f0a authored by Hanna Hawa's avatar Hanna Hawa Committed by Vinod Koul
Browse files

dmaengine: mv_xor_v2: enable XOR engine after its configuration 



The engine was enabled prior to its configuration, which isn't
correct. This patch relocates the activation of the XOR engine, to be
after the configuration of the XOR engine.

Fixes: 19a340b1 ("dmaengine: mv_xor_v2: new driver")
Cc: <stable@vger.kernel.org>
Signed-off-by: default avatarHanna Hawa <hannah@marvell.com>
Signed-off-by: default avatarThomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: default avatarVinod Koul <vinod.koul@intel.com>
parent bc473da1

drivers/dma/mv_xor_v2.c

+3 −3
Original line number Diff line number Diff line
@@ -653,9 +653,6 @@ static int mv_xor_v2_descq_init(struct mv_xor_v2_device *xor_dev) 
	writel((xor_dev->hw_desq & 0xFFFF00000000) >> 32,

	       xor_dev->dma_base + MV_XOR_V2_DMA_DESQ_BAHR_OFF);



	/* enable the DMA engine */

	writel(0, xor_dev->dma_base + MV_XOR_V2_DMA_DESQ_STOP_OFF);



	/*

	 * This is a temporary solution, until we activate the

	 * SMMU. Set the attributes for reading & writing data buffers
@@ -699,6 +696,9 @@ static int mv_xor_v2_descq_init(struct mv_xor_v2_device *xor_dev) 
	reg |= MV_XOR_V2_GLOB_PAUSE_AXI_TIME_DIS_VAL;

	writel(reg, xor_dev->glob_base + MV_XOR_V2_GLOB_PAUSE);



	/* enable the DMA engine */

	writel(0, xor_dev->dma_base + MV_XOR_V2_DMA_DESQ_STOP_OFF);



	return 0;

}