linux-kernel - Re: [PATCH 20/51] Input: atmel_mxt_ts - Set default irqflags when there is no pdata

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Date:	Thu, 22 May 2014 15:29:42 +0100
From:	Nick Dyer <nick.dyer@...ev.co.uk>
To:	Benson Leung <bleung@...omium.org>,
	Yufeng Shen <miletus@...omium.org>
CC:	Dmitry Torokhov <dmitry.torokhov@...il.com>, rydberg@...omail.se,
	Daniel Kurtz <djkurtz@...omium.org>,
	Joonyoung Shim <jy0922.shim@...sung.com>,
	Alan Bowens <Alan.Bowens@...el.com>,
	linux-input@...r.kernel.org, linux-kernel@...r.kernel.org,
	Peter Meerwald <pmeerw@...erw.net>,
	Olof Johansson <olofj@...omium.org>
Subject: Re: [PATCH 20/51] Input: atmel_mxt_ts - Set default irqflags when
 there is no pdata

Dmitry Torokhov wrote:
> On Thu, Jul 18, 2013 at 07:17:44PM +0200, rydberg@...omail.se wrote:
>>> From: Yufeng Shen <miletus@...omium.org>
>>> This is the preparation for supporting the code path when there is
>>> platform data provided and still boot the device into a sane state
>>> with backup NVRAM config.
>>>
>>> Make the irqflags default to be IRQF_TRIGGER_FALLING if no platform data is
>>> provided.
> 
> I think if there is no platform data we should use 0 as IRQ falgs and
> assume that IRQ line is properly configured by the board code or via
> device tree.

Beson/Yufeng - do you still have a requirement to probe without platform
data or device tree? I'm just merging in some changes to add device tree
support, and it would simplify things a bit if I can drop this patch.
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