linux-kernel - Re: [PATCH 2/2] tty: serial: msm

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Date:	Mon, 25 Apr 2016 13:48:06 -0700
From:	Stephen Boyd <sboyd@...eaurora.org>
To:	Frank Rowand <frowand.list@...il.com>
Cc:	Andy Gross <andy.gross@...aro.org>,
	David Brown <david.brown@...aro.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Jiri Slaby <jslaby@...e.com>,
	"linux-arm-msm@...r.kernel.org" <linux-arm-msm@...r.kernel.org>,
	linux-soc@...r.kernel.org, linux-serial@...r.kernel.org,
	Linux Kernel list <linux-kernel@...r.kernel.org>,
	ivan.ivanov@...aro.org
Subject: Re: [PATCH 2/2] tty: serial: msm_serial add info message

On 04/23, Frank Rowand wrote:
> From: Frank Rowand <frank.rowand@...sony.com>
> 
> Failure to enable DMA by the msm_serial driver is silent.
> Add a message to report the failure.
> 
> Signed-off-by: Frank Rowand <frank.rowand@...sony.com>
> ---
>  drivers/tty/serial/msm_serial.c |    1 +
>  1 file changed, 1 insertion(+)
> 
> Index: b/drivers/tty/serial/msm_serial.c
> ===================================================================
> --- a/drivers/tty/serial/msm_serial.c
> +++ b/drivers/tty/serial/msm_serial.c
> @@ -170,6 +170,7 @@ rel_tx:
>  	dma_release_channel(dma->chan);
>  no_tx:
>  	memset(dma, 0, sizeof(*dma));
> +	dev_info(dev, "msm_serial: DMA not enabled\n");
>  }
>  

Wouldn't this print twice for TX and RX channels? I'd prefer we
not print anything when this driver probes, just because it's a
bunch of log spam that we don't really need.

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