Re: [PATCH v2 1/2] DW DMAC: enable memory-to-memory transfers support
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: 2016-11-18 17:47:19
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On Fri, 2016-11-18 at 19:53 +0300, Eugeniy Paltsev wrote:
All known devices, which use DT for configuration, support memory-to-memory transfers. So enable it by default, if we read configuration from DT.
Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
quoted hunk ↗ jump to hunk
Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com> --- drivers/dma/dw/platform.c | 6 ++++++ 1 file changed, 6 insertions(+)diff --git a/drivers/dma/dw/platform.c b/drivers/dma/dw/platform.c index 5bda0eb..aa7a5c1 100644 --- a/drivers/dma/dw/platform.c +++ b/drivers/dma/dw/platform.c@@ -129,6 +129,12 @@ dw_dma_parse_dt(struct platform_device *pdev)if (of_property_read_bool(np, "is_private")) pdata->is_private = true; + /* + * All known devices, which use DT for configuration, support + * memory-to-memory transfers. So enable it by default. + */ + pdata->is_memcpy = true; + if (!of_property_read_u32(np, "chan_allocation_order", &tmp)) pdata->chan_allocation_order = (unsigned char)tmp;
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