From: Mika Westerberg <mika.westerberg-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
To: Vineet Gupta <Vineet.Gupta1-HKixBCOQz3hWk0Htik3J/w@public.gmane.org>
Cc: Christian Ruppert
<christian.ruppert-ux6zf3SgZrrQT0dZR+AlfA@public.gmane.org>,
Wolfram Sang <wsa-z923LK4zBo2bacvFa/9K2g@public.gmane.org>,
Carl Peng <carlpeng008-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
Huang Rui <ray.huang-5C7GfCeVMHo@public.gmane.org>,
"linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: [PATCH 2/2] i2c: designware: Add support for AMD I2C controller
Date: Mon, 22 Sep 2014 17:23:13 +0300 [thread overview]
Message-ID: <20140922142313.GD1786@lahna.fi.intel.com> (raw)
In-Reply-To: <C2D7FE5348E1B147BCA15975FBA230753C5DA47D-uUKrqVzojAgF5QVroWrzJvufCSb+aD3WLzEdoUbNIic@public.gmane.org>
On Mon, Sep 22, 2014 at 02:16:25PM +0000, Vineet Gupta wrote:
> On Monday 22 September 2014 07:30 PM, Mika Westerberg wrote:
> >>> COMMON_CLK is not selected by the ARC architecture in general. However,
> >>> > > we do select COMMON_CLK in the TB10x platform which uses the designware
> >>> > > I2C driver so this new dependency is no problem for us.
> >>> > >
> >>> > > Vineet,
> >>> > >
> >>> > > Do you see any issues with this on other existing ARC platforms, e.g.
> >>> > > arcfpga?
> >> >
> >> > So what needs to be done, COMMON_CLK needs to be defined in arch/arc/Kconfig ? And
> >> > if so why ?
> > Without COMMON_CLK, you are not able to select I2C_DESIGNWARE_PLATFORM
> > anymore. So if something on ARC depends on this driver then we either
> > need the COMMON_CLK there or figure out alternative way to fix Carl's
> > problem.
>
> I have not seen the orig patch, but it seems COMMON_CLK is already being selected
> by TB10x, do we still need it in arch/arcKconfig, for all ARC platforms ?
Only if the driver is being used by something else than TB10x on ARC. So
that we don't cause regressions to existing users.
next prev parent reply other threads:[~2014-09-22 14:23 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-18 9:26 [PATCH 1/2] i2c: designware: Rework probe() to get clock a bit later Mika Westerberg
[not found] ` <1411032367-20274-1-git-send-email-mika.westerberg-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2014-09-18 9:26 ` [PATCH 2/2] i2c: designware: Add support for AMD I2C controller Mika Westerberg
[not found] ` <1411032367-20274-2-git-send-email-mika.westerberg-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2014-09-20 9:36 ` Wolfram Sang
2014-09-22 9:12 ` Mika Westerberg
[not found] ` <20140922091207.GJ1786-3PARRvDOhMZrdx17CPfAsdBPR1lH4CV8@public.gmane.org>
2014-09-22 12:29 ` Christian Ruppert
2014-09-22 13:48 ` Vineet Gupta
[not found] ` <C2D7FE5348E1B147BCA15975FBA230753C5DA425-uUKrqVzojAgF5QVroWrzJvufCSb+aD3WLzEdoUbNIic@public.gmane.org>
2014-09-22 14:00 ` Mika Westerberg
2014-09-22 14:16 ` Vineet Gupta
[not found] ` <C2D7FE5348E1B147BCA15975FBA230753C5DA47D-uUKrqVzojAgF5QVroWrzJvufCSb+aD3WLzEdoUbNIic@public.gmane.org>
2014-09-22 14:23 ` Mika Westerberg [this message]
2014-09-22 17:22 ` Christian Ruppert
[not found] ` <20140922172251.GA30685-7oYq3qWSd+k@public.gmane.org>
2014-09-23 10:05 ` Mika Westerberg
[not found] ` <20140923100559.GJ1786-3PARRvDOhMZrdx17CPfAsdBPR1lH4CV8@public.gmane.org>
2014-09-29 10:24 ` Viresh Kumar
2014-09-26 3:50 ` Vineet Gupta
[not found] ` <5424E27C.2090302-HKixBCOQz3hWk0Htik3J/w@public.gmane.org>
2014-10-07 9:30 ` Christian Ruppert
2014-10-07 12:35 ` arc platform code updates (was Re: [PATCH 2/2] i2c: designware: Add support for AMD I2C controller) Vineet Gupta
[not found] ` <C2D7FE5348E1B147BCA15975FBA230753C5E4C98-uUKrqVzojAgF5QVroWrzJvufCSb+aD3WLzEdoUbNIic@public.gmane.org>
2014-10-10 9:13 ` Christian Ruppert
[not found] ` <20141010091356.GA16492-7oYq3qWSd+k@public.gmane.org>
2014-10-10 16:31 ` Guenter Roeck
2014-09-29 21:24 ` [PATCH 2/2] i2c: designware: Add support for AMD I2C controller Wolfram Sang
2014-09-30 5:19 ` Mika Westerberg
[not found] ` <20140930051956.GL1786-3PARRvDOhMZrdx17CPfAsdBPR1lH4CV8@public.gmane.org>
2014-09-30 5:57 ` Wolfram Sang
2014-09-19 7:08 ` [PATCH 1/2] i2c: designware: Rework probe() to get clock a bit later carl peng
[not found] ` <CAC5e1FqNpfnW=nAvn0LTuYm2Cwd332UCgzYkx-h1Y8WaRPdTTw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-09-19 8:54 ` Mika Westerberg
2014-09-20 9:35 ` Wolfram Sang
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