linux-kernel - Re: [PATCH 2/2] serial: 8250_mid: Read RX buffer on RX DMA timeout for DNV

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Date:	Fri, 20 May 2016 15:40:46 +0300
From:	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:	"Chuah, Kim Tatt" <kim.tatt.chuah@...el.com>, lkp <lkp@...el.com>,
	Peter Hurley <peter@...leysoftware.com>
Cc:	"kbuild-all@...org" <kbuild-all@...org>,
	"gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
	"Koul, Vinod" <vinod.koul@...el.com>,
	"heikki.krogerus@...ux.intel.com" <heikki.krogerus@...ux.intel.com>,
	"mika.westerberg@...ux.intel.com" <mika.westerberg@...ux.intel.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"Tan, Jui Nee" <jui.nee.tan@...el.com>
Subject: Re: [PATCH 2/2] serial: 8250_mid: Read RX buffer on RX DMA timeout
 for DNV

On Mon, 2016-05-16 at 05:29 +0000, Chuah, Kim Tatt wrote:
> > On Fri, 2016-05-13 at 18:15 +0800, kbuild test robot wrote:

> > Peter, what happened to your DMA series in the linux-next? Did I
> > miss any
> > discussion related?
> > 
> Hi Andy,
> The error occurs when CONFIG_8250_MID is set to "m", because
> serial8250_rx_dma_flush() was not exported. Please advise.

Peter, this is a problem ^^^.

Kim, I suggest you to add an additional patch that exports a symbol and
send a new version of the patchset with Cc to Peter and linux-serial@
(besides the list of recipients you already have).

> > > > > ERROR: "serial8250_rx_dma_flush"
> > > > > [drivers/tty/serial/8250/8250_mid.ko] undefined!

-- 
Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Intel Finland Oy