From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: Fri, 25 Jan 2013 09:48:02 +0000 (+0200)
Subject: dw_dmac: fill individual length of descriptor
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=176dcec50f3f0bc46f11b983c1a3bbc2dd3514fd;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

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>
---

diff --git a/drivers/dma/dw_dmac.c b/drivers/dma/dw_dmac.c
index 7f9f3324de17..5816da34129d 100644
--- a/drivers/dma/dw_dmac.c
+++ b/drivers/dma/dw_dmac.c
@@ -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;