From: Ben Dooks <ben.dooks@codethink.co.uk>
To: Linus Walleij <linus.walleij@linaro.org>
Cc: Giancarlo Asnaghi <giancarlo.asnaghi@st.com>,
Russell King <linux@arm.linux.org.uk>,
Linus Walleij <linus.walleij@stericsson.com>,
Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>,
Alessandro Rubini <rubini@gnudd.com>,
linux-kernel@vger.kernel.org,
Wolfram Sang <w.sang@pengutronix.de>,
STEricsson_nomadik_linux@list.st.com, linux-i2c@vger.kernel.org,
Jean Delvare <khali@linux-fr.org>,
Lee Jones <lee.jones@linaro.org>,
linux-arm-kernel@lists.infradead.org,
Alan Cox <alan@linux.intel.com>
Subject: Re: [PATCH RFC 2/3] i2c-nomadik: turn the platform driver to an amba driver
Date: Thu, 31 May 2012 09:37:51 +0100 [thread overview]
Message-ID: <4FC72DDF.7080209@codethink.co.uk> (raw)
In-Reply-To: <CACRpkdZ79=B8N7omxYY4UPotg8gYotfLeBRViYMr8hA-Uhie0w@mail.gmail.com>
On 31/05/12 02:51, Linus Walleij wrote:
> On Thu, May 31, 2012 at 1:45 AM, Alessandro Rubini<rubini@gnudd.com> wrote:
>
>> The i2c-nomadik gateware is really a PrimeCell APB device. By hosting
>> the driver under the amba bus we can access it more easily, for
>> example using the generic pci-amba driver. The patch also fixes the
>> mach-ux500 users to register an AMBA device, not a platform device.
>>
>> Signed-off-by: Alessandro Rubini<rubini@gnudd.com>
>> Acked-by: Giancarlo Asnaghi<giancarlo.asnaghi@st.com>
>> Cc: Srinidhi Kasagar<srinidhi.kasagar@stericsson.com>
>> Cc: STEricsson_nomadik_linux@list.st.com
>> Cc: Linus Walleij<linus.walleij@stericsson.com>
>
> This will affect Lee Jones' device tree bindings for the same device.
>
> You will need some add-on patch to the db8500 device tree moving this
> over to the AMBA (PrimeCell) bus abstraction.
What does AMBA win us over the platform device here?
--
Ben Dooks http://www.codethink.co.uk/
Senior Engineer Codethink - Providing Genius
WARNING: multiple messages have this Message-ID (diff)
From: ben.dooks@codethink.co.uk (Ben Dooks)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH RFC 2/3] i2c-nomadik: turn the platform driver to an amba driver
Date: Thu, 31 May 2012 09:37:51 +0100 [thread overview]
Message-ID: <4FC72DDF.7080209@codethink.co.uk> (raw)
In-Reply-To: <CACRpkdZ79=B8N7omxYY4UPotg8gYotfLeBRViYMr8hA-Uhie0w@mail.gmail.com>
On 31/05/12 02:51, Linus Walleij wrote:
> On Thu, May 31, 2012 at 1:45 AM, Alessandro Rubini<rubini@gnudd.com> wrote:
>
>> The i2c-nomadik gateware is really a PrimeCell APB device. By hosting
>> the driver under the amba bus we can access it more easily, for
>> example using the generic pci-amba driver. The patch also fixes the
>> mach-ux500 users to register an AMBA device, not a platform device.
>>
>> Signed-off-by: Alessandro Rubini<rubini@gnudd.com>
>> Acked-by: Giancarlo Asnaghi<giancarlo.asnaghi@st.com>
>> Cc: Srinidhi Kasagar<srinidhi.kasagar@stericsson.com>
>> Cc: STEricsson_nomadik_linux at list.st.com
>> Cc: Linus Walleij<linus.walleij@stericsson.com>
>
> This will affect Lee Jones' device tree bindings for the same device.
>
> You will need some add-on patch to the db8500 device tree moving this
> over to the AMBA (PrimeCell) bus abstraction.
What does AMBA win us over the platform device here?
--
Ben Dooks http://www.codethink.co.uk/
Senior Engineer Codethink - Providing Genius
WARNING: multiple messages have this Message-ID (diff)
From: Ben Dooks <ben.dooks@codethink.co.uk>
To: Linus Walleij <linus.walleij@linaro.org>
Cc: Alessandro Rubini <rubini@gnudd.com>,
Lee Jones <lee.jones@linaro.org>,
Giancarlo Asnaghi <giancarlo.asnaghi@st.com>,
Russell King <linux@arm.linux.org.uk>,
Linus Walleij <linus.walleij@stericsson.com>,
Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>,
linux-kernel@vger.kernel.org,
Wolfram Sang <w.sang@pengutronix.de>,
Jean Delvare <khali@linux-fr.org>,
linux-i2c@vger.kernel.org, STEricsson_nomadik_linux@list.st.com,
linux-arm-kernel@lists.infradead.org,
Alan Cox <alan@linux.intel.com>
Subject: Re: [PATCH RFC 2/3] i2c-nomadik: turn the platform driver to an amba driver
Date: Thu, 31 May 2012 09:37:51 +0100 [thread overview]
Message-ID: <4FC72DDF.7080209@codethink.co.uk> (raw)
In-Reply-To: <CACRpkdZ79=B8N7omxYY4UPotg8gYotfLeBRViYMr8hA-Uhie0w@mail.gmail.com>
On 31/05/12 02:51, Linus Walleij wrote:
> On Thu, May 31, 2012 at 1:45 AM, Alessandro Rubini<rubini@gnudd.com> wrote:
>
>> The i2c-nomadik gateware is really a PrimeCell APB device. By hosting
>> the driver under the amba bus we can access it more easily, for
>> example using the generic pci-amba driver. The patch also fixes the
>> mach-ux500 users to register an AMBA device, not a platform device.
>>
>> Signed-off-by: Alessandro Rubini<rubini@gnudd.com>
>> Acked-by: Giancarlo Asnaghi<giancarlo.asnaghi@st.com>
>> Cc: Srinidhi Kasagar<srinidhi.kasagar@stericsson.com>
>> Cc: STEricsson_nomadik_linux@list.st.com
>> Cc: Linus Walleij<linus.walleij@stericsson.com>
>
> This will affect Lee Jones' device tree bindings for the same device.
>
> You will need some add-on patch to the db8500 device tree moving this
> over to the AMBA (PrimeCell) bus abstraction.
What does AMBA win us over the platform device here?
--
Ben Dooks http://www.codethink.co.uk/
Senior Engineer Codethink - Providing Genius
next prev parent reply other threads:[~2012-05-31 8:37 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-30 17:45 [PATCH RFC 0/3] i2c-nomadik changes Alessandro Rubini
2012-05-30 17:45 ` Alessandro Rubini
2012-05-30 17:45 ` Alessandro Rubini
2012-05-30 17:45 ` [PATCH RFC 1/3] i2c-nomadik: move header from <plat/i2c.h> to <linux/i2c-nomadik.h> Alessandro Rubini
2012-05-30 17:45 ` Alessandro Rubini
2012-05-30 17:45 ` Alessandro Rubini
[not found] ` <ca47a47e0a4db31545549ed978e1dc7b3aad4377.1338398567.git.rubini-kaDoWcXyVrEAvxtiuMwx3w@public.gmane.org>
2012-05-31 1:47 ` Linus Walleij
2012-05-31 1:47 ` Linus Walleij
2012-05-31 1:47 ` Linus Walleij
2012-05-31 8:37 ` Ben Dooks
2012-05-31 8:37 ` Ben Dooks
2012-05-31 8:37 ` Ben Dooks
2012-05-31 8:32 ` Ben Dooks
2012-05-31 8:32 ` Ben Dooks
2012-05-31 8:32 ` Ben Dooks
[not found] ` <cover.1338398567.git.rubini-kaDoWcXyVrEAvxtiuMwx3w@public.gmane.org>
2012-05-30 17:45 ` [PATCH RFC 2/3] i2c-nomadik: turn the platform driver to an amba driver Alessandro Rubini
2012-05-30 17:45 ` Alessandro Rubini
2012-05-30 17:45 ` Alessandro Rubini
[not found] ` <349645b61d0b28f6e84f7ae1f2c8c28e12a11d92.1338398567.git.rubini-kaDoWcXyVrEAvxtiuMwx3w@public.gmane.org>
2012-05-31 1:51 ` Linus Walleij
2012-05-31 1:51 ` Linus Walleij
2012-05-31 1:51 ` Linus Walleij
2012-05-31 8:37 ` Ben Dooks [this message]
2012-05-31 8:37 ` Ben Dooks
2012-05-31 8:37 ` Ben Dooks
2012-05-31 10:16 ` Linus Walleij
2012-05-31 10:16 ` Linus Walleij
2012-05-31 10:16 ` Linus Walleij
[not found] ` <CACRpkdZpjn0RBGY+CqqSW3ip0MSQUJSaqN0GD=a4THnPHNM-jg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2012-05-31 18:02 ` Alessandro Rubini
2012-05-31 18:02 ` Alessandro Rubini
2012-05-31 18:02 ` Alessandro Rubini
[not found] ` <20120531180204.GA28779-eyGpkxvC2QLRELXczCotyA@public.gmane.org>
2012-06-01 1:53 ` Linus Walleij
2012-06-01 1:53 ` Linus Walleij
2012-06-01 1:53 ` Linus Walleij
2012-06-01 2:24 ` Lee Jones
2012-06-01 2:24 ` Lee Jones
2012-06-01 2:24 ` Lee Jones
2012-05-31 1:55 ` [PATCH RFC 0/3] i2c-nomadik changes Linus Walleij
2012-05-31 1:55 ` Linus Walleij
2012-05-31 1:55 ` Linus Walleij
2012-05-30 17:46 ` [PATCH RFC 3/3] i2c-nomadik: depend on ARM_AMBA, not PLAT_NOMADIK Alessandro Rubini
2012-05-30 17:46 ` Alessandro Rubini
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