linux-kernel - Re: [PATCH 2/2] soc/fsl: add ftm alarm driver for ls1021a platform

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Date:	Fri, 26 Sep 2014 09:04:08 -0500
From:	Kumar Gala <galak@...eaurora.org>
To:	Dongsheng Wang <dongsheng.wang@...escale.com>
Cc:	Santosh Shilimkar <santosh.shilimkar@...com>,
	Sandeep Nair <sandeep_n@...com>,
	Olof Johansson <olof@...om.net>, shawn.guo@...aro.org,
	Greg KH <gregkh@...uxfoundation.org>,
	Paul Walmsley <paul@...an.com>, Arnd Bergmann <arnd@...db.de>,
	linux-kernel@...r.kernel.org, shawn.guo@...escale.com
Subject: Re: [PATCH 2/2] soc/fsl: add ftm alarm driver for ls1021a platform


On Sep 26, 2014, at 1:48 AM, Dongsheng Wang <dongsheng.wang@...escale.com> wrote:

> From: Wang Dongsheng <dongsheng.wang@...escale.com>
> 
> Only Ftm0 can be used when system going to deep sleep. So this driver
> to support ftm0 as a wakeup source.
> 
> Signed-off-by: Wang Dongsheng <dongsheng.wang@...escale.com>

How does this differ from drivers/clocksource/fsl_ftm_timer.c

Why not extend that with the alarm functionality you need?

Also, where is the DT binding spec for this (if you plan on having a separate driver)?

- k

-- 
Employee of Qualcomm Innovation Center, Inc.
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by The Linux Foundation

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