linux-kernel - Re: [PATCH v4 3/3] ARM: dts: use syscon in cygnus touchscreen dt node

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Date:	Thu, 5 May 2016 11:17:00 +0530
From:	Raveendra Padasalagi <raveendra.padasalagi@...adcom.com>
To:	Florian Fainelli <f.fainelli@...il.com>
Cc:	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Russell King <linux@....linux.org.uk>,
	Rob Herring <robh+dt@...nel.org>,
	Arnd Bergmann <arnd@...db.de>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	linux-input@...r.kernel.org, Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Jonathan Richardson <jonathar@...adcom.com>,
	Jon Mason <jonmason@...adcom.com>,
	Anup Patel <anup.patel@...adcom.com>,
	Ray Jui <rjui@...adcom.com>,
	Scott Branden <sbranden@...adcom.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	bcm-kernel-feedback-list <bcm-kernel-feedback-list@...adcom.com>
Subject: Re: [PATCH v4 3/3] ARM: dts: use syscon in cygnus touchscreen dt node

Thanks Dmitry and Florian.

Hi Dmitry,

I understand the dts changes are really needed for the touch screen
driver changes made in this patch. But currently there are no deployed
systems/customer's using this driver. So please pull the driver changes
and I will follow up to make sure dts changes also goes in.

Below is the latest patch set pushed.

https://lkml.org/lkml/2016/3/24/45


Thanks ,
Raveendra

On Thu, Apr 7, 2016 at 1:55 AM, Florian Fainelli <f.fainelli@...il.com> wrote:
> 2016-04-06 10:31 GMT-07:00 Dmitry Torokhov <dmitry.torokhov@...il.com>:
>> On Sat, Feb 27, 2016 at 12:29:56PM +0530, Raveendra Padasalagi wrote:
>>> In Cygnus SOC touch screen controller registers are shared
>>> with ADC and flex timer. Using readl/writel could lead to
>>> race condition. So touchscreen driver is enhanced to support
>>> syscon based register access to take care of mutually exclusive
>>> access.
>>>
>>> This patch enables syscon support in touchscreen driver
>>> by adding necessary properties in touchscreen dt node and
>>> in addition to this renamed existing "tsc" touchscreen node
>>> name to "touchscreen".
>>>
>>> Signed-off-by: Raveendra Padasalagi <raveendra.padasalagi@...adcom.com>
>>> Reviewed-by: Ray Jui <ray.jui@...adcom.com>
>>> Reviewed-by: Scott Branden <scott.branden@...adcom.com>
>>
>> OK, since the new dts is really needed for the driver I'll be folding
>> this into the touchscreen driver patch unless I hear someone yelling at
>> me.
>
> Works for me:
>
> Acked-by: Florian Fainelli <f.fainelli@...il.com>
> --
> Florian