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dw_dmac: fill individual length of descriptor 

It will be useful to have the length of the transfer in the descriptor. The
cyclic transfer functions remained untouched.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
hifive-unleashed-5.1
Andy Shevchenko 2013-01-25 11:48:02 +02:00 committed by Vinod Koul
parent 30d38a3286
commit 176dcec50f
1 changed files with 3 additions and 0 deletions
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3
drivers/dma/dw_dmac.c
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@ -757,6 +757,7 @@ dwc_prep_dma_memcpy(struct dma_chan *chan, dma_addr_t dest, dma_addr_t src,
desc->lli.dar = dest + offset;
desc->lli.ctllo = ctllo;
desc->lli.ctlhi = xfer_count;
desc->len = xfer_count << src_width;
if (!first) {
first = desc;
@ -855,6 +856,7 @@ slave_sg_todev_fill_desc:
}
desc->lli.ctlhi = dlen >> mem_width;
desc->len = dlen;
if (!first) {
first = desc;
@ -913,6 +915,7 @@ slave_sg_fromdev_fill_desc:
len = 0;
}
desc->lli.ctlhi = dlen >> reg_width;
desc->len = dlen;
if (!first) {
first = desc;