t210: Correct dma_busy function
commitfe48f0941e309751a210cacf6435632d86009ab4
authorFurquan Shaikh <furquan@google.com>
Mon, 13 Jul 2015 16:48:52 +0000 (13 09:48 -0700)
committerPatrick Georgi <pgeorgi@google.com>
Thu, 16 Jul 2015 20:36:57 +0000 (16 22:36 +0200)
treeff6372fe6ad42d06f94037312aed2941f7b11a2a
parente431ab9c84e4413a9d628e3f6a059cb201a7dc44
t210: Correct dma_busy function

In case of continuous mode, use STA_ACTIVITY bit to determine if DMA
operation is complete. However, in case of ONCE mode, use STA_BSY bit
to determine if DMA operation on the channel is complete.

BUG=chrome-os-partner:41877
BRANCH=None
TEST=Compiles successfully and reboot test runs fine for 10K+ iterations

Change-Id: If98f195481b18c402bd9cac353080c317e0e1168
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 927026db6fd910dac32dc218f28efcbc7b788b4e
Original-Change-Id: Ib66bedfb413f948728a4f9cffce9d9c3feb0bfda
Original-Signed-off-by: Furquan Shaikh <furquan@google.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/285140
Original-Tested-by: Furquan Shaikh <furquan@chromium.org>
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Original-Commit-Queue: Furquan Shaikh <furquan@chromium.org>
Original-Trybot-Ready: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: http://review.coreboot.org/10946
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
src/soc/nvidia/tegra210/dma.c