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Commit ddb4f0f0 authored by Guennadi Liakhovetski's avatar Guennadi Liakhovetski Committed by Dan Williams
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sh: DMA driver has to specify its alignment requirements 



The SH DMA driver by default uses 32-byte transfers, in this mode buffers and
sizes have to be 32-byte aligned. Specifying this requirement also fixes Oopses
with dmatest.

Signed-off-by: default avatarGuennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: default avatarDan Williams <dan.j.williams@intel.com>
parent 61f135b9

drivers/dma/shdma.c

+2 −0
Original line number Original line Diff line number Diff line
@@ -677,6 +677,8 @@ static int __init sh_dmae_probe(struct platform_device *pdev) 
	shdev->common.device_is_tx_complete = sh_dmae_is_complete;

	shdev->common.device_is_tx_complete = sh_dmae_is_complete;

	shdev->common.device_issue_pending = sh_dmae_memcpy_issue_pending;

	shdev->common.device_issue_pending = sh_dmae_memcpy_issue_pending;

	shdev->common.dev = &pdev->dev;

	shdev->common.dev = &pdev->dev;

	/* Default transfer size of 32 bytes requires 32-byte alignment */

	shdev->common.copy_align = 5;





#if defined(CONFIG_CPU_SH4)

#if defined(CONFIG_CPU_SH4)

	/* Non Mix IRQ mode SH7722/SH7730 etc... */

	/* Non Mix IRQ mode SH7722/SH7730 etc... */