From: Dinh Nguyen <dinguyen@opensource.altera.com>
To: Vinod Koul <vinod.koul@intel.com>
Cc: <shawn.lin@rockchips.com>, Addy Ke <addy.ke@rock-chips.com>,
<boojin.kim@samsung.com>, <wxt@rock-chips.com>,
<dmaengine@vger.kernel.org>, olof Johansson <olof@lixom.net>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: commit 271e1b86e691 is breaking DMA uart on SoCFPGA
Date: Wed, 10 Feb 2016 15:56:17 -0600 [thread overview]
Message-ID: <56BBB201.7060004@opensource.altera.com> (raw)
Hi Vinod,
It appears that commit 271e1b86e691 "dmaengine: pl330: add quirk for
broken no flushp" is breaking uart dma on SoCFPGA. This commit is in
linux-next(next-20160210).
Doing a bisect pointed to commit 271e1b86e691, but I had to also revert
the following commits (86a8ce7d4103 "dmaengine: pl330: add max burst for
dmaengine") and (848e9776fee4 "dmaengine: pl330: support burst mode for
dev-to-mem and mem-to-dev transmit") as well because the build would
fail if I only revert 271e1b86e691.
The SoCFPGA platform is being tested on Olof's board farm and is failing
multi_v7_defconfig build because the PL330 DMA is enabled in this defconfig.
After doing reverts of those 3 commits, the socfpga platform is able
boot completely again with multi_v7_defconfig.
Dinh
next reply other threads:[~2016-02-10 22:17 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-10 21:56 Dinh Nguyen [this message]
2016-02-11 8:57 ` commit 271e1b86e691 is breaking DMA uart on SoCFPGA Vinod Koul
2016-02-17 11:12 ` Bartlomiej Zolnierkiewicz
2016-02-18 16:07 ` Alexander Kochetkov
2016-02-23 15:14 ` Dinh Nguyen
2016-02-24 6:01 ` Caesar Wang
2016-02-24 13:24 ` Bartlomiej Zolnierkiewicz
2016-02-25 0:29 ` Caesar Wang
2016-02-24 13:20 ` Bartlomiej Zolnierkiewicz
2016-02-19 6:51 ` Alexander Kochetkov
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