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ata: sata_dwc_460ex: set dma_boundary to 0x1fff

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The original code states:

	Make sure a LLI block is not created that will span 8K max FIS
	boundary. If the block spans such a FIS boundary, there is a chance
	that a DMA burst will cross that boundary -- this results in an error
	in the host controller.

Since we have switched to generic DMAengine API we satisfy above by setting
dma_boundary value to 0x1fff.

Suggested-by: Mans Rullgard <mans@mansr.com>
Tested-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
Andy Shevchenko 2016-04-26 12:03:04 +03:00 committed by Tejun Heo
parent a7e6de544c
commit 6689dfac00
1 changed files with 7 additions and 1 deletions
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8
drivers/ata/sata_dwc_460ex.c
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@ -1151,7 +1151,13 @@ static struct scsi_host_template sata_dwc_sht = {
*/ */
.sg_tablesize = LIBATA_MAX_PRD, .sg_tablesize = LIBATA_MAX_PRD,
/* .can_queue = ATA_MAX_QUEUE, */ /* .can_queue = ATA_MAX_QUEUE, */
.dma_boundary = ATA_DMA_BOUNDARY, /*
* Make sure a LLI block is not created that will span 8K max FIS
* boundary. If the block spans such a FIS boundary, there is a chance
* that a DMA burst will cross that boundary -- this results in an
* error in the host controller.
*/
.dma_boundary = 0x1fff /* ATA_DMA_BOUNDARY */,
}; };
static struct ata_port_operations sata_dwc_ops = { static struct ata_port_operations sata_dwc_ops = {