From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
To: Nicolae Rosia <nicolae.rosia@gmail.com>
Cc: jiwang <jiada_wang@mentor.com>,
Sebastian Andrzej Siewior <sebastian@breakpoint.cc>,
gregkh@linuxfoundation.org, jslaby@suse.cz,
linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org,
anton_bondarenko@mentor.com, dirk.behme@de.bosch.com
Subject: Re: [PATCH v1 11/15] serial: imx: initialized DMA w/o HW flow enabled
Date: Thu, 07 May 2015 15:58:20 +0200 [thread overview]
Message-ID: <554B6F7C.7070405@linutronix.de> (raw)
In-Reply-To: <CAH=tA9Hr6kZzyapk5oron44_fP5J8EjwXHUMyRFaWxkaFbWkmg@mail.gmail.com>
On 05/07/2015 03:55 PM, Nicolae Rosia wrote:
> Hi,
Hi,
>> Okay, please inform about your results. I think I had that one and the
>> result was no UART communication at all and a lot overrun errors.
>
> I have reverted this patch and the serial comm is working well.
> I haven't been able to test with the SDMA firmware, yet.
> Thank you for the bug report and fix!
Okay. So I am definitely sending a revert tonight since I haven't got
any news about the firmware. If you happen to have the time to test
with SDMA firmware, please let me know (no matter if it worked or not).
> Best regards,
> Nicolae Rosia
Sebastian
next prev parent reply other threads:[~2015-05-07 13:58 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-12-09 9:11 [PATCH v1 00/15] serial: imx: misc fix and features Jiada Wang
2014-12-09 9:11 ` [PATCH v1 01/15] serial: imx: add CREAD flag support Jiada Wang
2014-12-09 9:11 ` [PATCH v1 02/15] serial: imx: use locking to stop concurrent access of UCR1 Jiada Wang
2014-12-09 9:11 ` [PATCH v1 03/15] serial: imx: remove unneeded imx_transmit_buffer() from imx_start_tx() Jiada Wang
2014-12-09 9:11 ` [PATCH v1 04/15] serial: imx: TX DMA: clean up sg initialization Jiada Wang
2014-12-09 9:11 ` [PATCH v1 05/15] serial: imx: unmap sg in case of dmaengine_prep_slave_sg() failure Jiada Wang
2014-12-09 9:11 ` [PATCH v1 06/15] serial: imx: unmap scatter gather list in imx_flush_buffer Jiada Wang
2014-12-09 9:11 ` [PATCH v1 07/15] serial: imx: use dma_is_txing to synchronize dma_tx_callback and imx_dma_tx Jiada Wang
2014-12-09 9:11 ` [PATCH v1 08/15] Revert "serial: imx: always wake up the processes in the TX callback" Jiada Wang
2014-12-09 9:11 ` [PATCH v1 09/15] serial: imx: call imx_dma_tx() again in dma_tx_callback Jiada Wang
2014-12-09 9:11 ` [PATCH v1 10/15] serial: imx: disable TDMAEN in imx_flush_buffer() Jiada Wang
2014-12-09 9:11 ` [PATCH v1 11/15] serial: imx: initialized DMA w/o HW flow enabled Jiada Wang
2015-04-09 12:00 ` Sebastian Andrzej Siewior
2015-04-13 7:40 ` jiwang
2015-04-13 8:06 ` Sebastian Andrzej Siewior
2015-04-17 9:18 ` jiwang
2015-04-17 10:31 ` Sebastian Andrzej Siewior
2015-05-06 16:08 ` Nicolae Rosia
2015-05-06 16:12 ` Sebastian Andrzej Siewior
2015-05-06 16:46 ` Nicolae Rosia
2015-05-06 17:30 ` Sebastian Andrzej Siewior
2015-05-07 13:55 ` Nicolae Rosia
2015-05-07 13:58 ` Sebastian Andrzej Siewior [this message]
2014-12-09 9:11 ` [PATCH v1 12/15] serial: imx: start rx_dma once RXFIFO is not empty Jiada Wang
2014-12-09 9:11 ` [PATCH v1 13/15] serial: imx: Enable UCR4_OREN in startup interface Jiada Wang
2014-12-09 9:11 ` [PATCH v1 14/15] serial: imx: Fix issue in software flow control Jiada Wang
2014-12-09 9:11 ` [PATCH v1 15/15] serial: imx: Support sw flow control in DMA mode Jiada Wang
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