linux-kernel - Re: [PATCH v2] tty: serial: Add initial MSM UART High Speed Lite driver

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Date:	Mon, 29 Jul 2013 12:52:01 +0300
From:	"Ivan T. Ivanov" <iivanov@...sol.com>
To:	David Brown <davidb@...eaurora.org>
Cc:	gregkh@...uxfoundation.org, grant.likely@...aro.org,
	rob.herring@...xeda.com, rob@...dley.net, jslaby@...e.cz,
	devicetree-discuss@...ts.ozlabs.org, linux-serial@...r.kernel.org,
	linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arm-msm@...r.kernel.org, mrana@...eaurora.org,
	sambley@...eaurora.org
Subject: Re: [PATCH v2] tty: serial: Add initial MSM UART High Speed Lite
 driver

Hi David, 

On Fri, 2013-07-26 at 14:50 -0700, David Brown wrote:
> On Mon, Jul 22, 2013 at 10:05:48AM +0300, Ivan T. Ivanov wrote:
> >From: "Ivan T. Ivanov" <iivanov@...sol.com>
> >
> >This is a tty driver with console support for Qualcomm's UART
> >controllers found in the MSM8974 chipsets. Driver is completely
> >based on implementation found in codeaurora.org msm_serial_hs_lite
> >with Android dependences removed. Other changes include, moved to
> >device managed resources and few cleanups.
> >
> >Driver functionality was tested in LEGACY_HSUART and BLSP_HSUART mode.
> 
> Ivan, do we need this driver with the fixes Stephen Boyd posted that
> are supposed to fix the problems with the existing msm_serial.c
> driver?  If a single driver can correctly support both devices, that
> seems like a better solution to me.

I have just tested Stephen's changes and they worked for me on 8074
based dragon board, so I am fine to drop my port of the HSL driver.

Regards,
Ivan

> 
> David
> 


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