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

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Message-ID: <20130726215023.GA1470@codeaurora.org>
Date:	Fri, 26 Jul 2013 14:50:23 -0700
From:	David Brown <davidb@...eaurora.org>
To:	"Ivan T. Ivanov" <iivanov@...sol.com>
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

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.

David

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