From: ivan.khoronzhuk@ti.com (Ivan Khoronzhuk)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v4 1/3] clocksource: timer-keystone: introduce clocksource driver for Keystone
Date: Wed, 5 Feb 2014 00:35:59 +0200 [thread overview]
Message-ID: <52F16B4F.2010801@ti.com> (raw)
In-Reply-To: <52F1668B.9040507@ti.com>
Yes. I'll send with __iowmb() instead of wmb().
On 02/05/2014 12:15 AM, Santosh Shilimkar wrote:
> On Tuesday 04 February 2014 03:17 PM, Thomas Gleixner wrote:
>> On Tue, 4 Feb 2014, Ivan Khoronzhuk wrote:
>>
>> Please do not top post.
>>
>>> It was so in v1. But it was decided to use explicit memory barriers,
>>> because we're always sure the memory barriers are there and that
>>> they're properly documented. Also in this case I don't need to add
>>> keystone readl/writel relaxed function variants and to use mixed calls of
>>> writel/writel_relaxed functions.
>>>
>>> See:
>>> http://www.spinics.net/lists/arm-kernel/msg294941.html
>> Fair enough, but we want a proper explanation for explicit barriers in
>> the code and not in some random discussion of patch version X on some
>> random mailing list.
>>
>> Aside of that it should be iowmb(), but I might miss something ...
>>
> Agree. __iowmb() seems to be more appropriate.
>
> Regards,
> Santosh
>
--
Regards,
Ivan Khoronzhuk
WARNING: multiple messages have this Message-ID (diff)
From: Ivan Khoronzhuk <ivan.khoronzhuk@ti.com>
To: Santosh Shilimkar <santosh.shilimkar@ti.com>,
Thomas Gleixner <tglx@linutronix.de>
Cc: rob@landley.net, linux@arm.linux.org.uk, galak@codeaurora.org,
robh+dt@kernel.org, pawel.moll@arm.com, mark.rutland@arm.com,
ijc+devicetree@hellion.org.uk, daniel.lezcano@linaro.org,
devicetree@vger.kernel.org, linux-doc@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, grygorii.strashko@ti.com
Subject: Re: [PATCH v4 1/3] clocksource: timer-keystone: introduce clocksource driver for Keystone
Date: Wed, 5 Feb 2014 00:35:59 +0200 [thread overview]
Message-ID: <52F16B4F.2010801@ti.com> (raw)
In-Reply-To: <52F1668B.9040507@ti.com>
Yes. I'll send with __iowmb() instead of wmb().
On 02/05/2014 12:15 AM, Santosh Shilimkar wrote:
> On Tuesday 04 February 2014 03:17 PM, Thomas Gleixner wrote:
>> On Tue, 4 Feb 2014, Ivan Khoronzhuk wrote:
>>
>> Please do not top post.
>>
>>> It was so in v1. But it was decided to use explicit memory barriers,
>>> because we're always sure the memory barriers are there and that
>>> they're properly documented. Also in this case I don't need to add
>>> keystone readl/writel relaxed function variants and to use mixed calls of
>>> writel/writel_relaxed functions.
>>>
>>> See:
>>> http://www.spinics.net/lists/arm-kernel/msg294941.html
>> Fair enough, but we want a proper explanation for explicit barriers in
>> the code and not in some random discussion of patch version X on some
>> random mailing list.
>>
>> Aside of that it should be iowmb(), but I might miss something ...
>>
> Agree. __iowmb() seems to be more appropriate.
>
> Regards,
> Santosh
>
--
Regards,
Ivan Khoronzhuk
WARNING: multiple messages have this Message-ID (diff)
From: Ivan Khoronzhuk <ivan.khoronzhuk@ti.com>
To: Santosh Shilimkar <santosh.shilimkar@ti.com>,
Thomas Gleixner <tglx@linutronix.de>
Cc: <rob@landley.net>, <linux@arm.linux.org.uk>,
<galak@codeaurora.org>, <robh+dt@kernel.org>,
<pawel.moll@arm.com>, <mark.rutland@arm.com>,
<ijc+devicetree@hellion.org.uk>, <daniel.lezcano@linaro.org>,
<devicetree@vger.kernel.org>, <linux-doc@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
<linux-kernel@vger.kernel.org>, <grygorii.strashko@ti.com>
Subject: Re: [PATCH v4 1/3] clocksource: timer-keystone: introduce clocksource driver for Keystone
Date: Wed, 5 Feb 2014 00:35:59 +0200 [thread overview]
Message-ID: <52F16B4F.2010801@ti.com> (raw)
In-Reply-To: <52F1668B.9040507@ti.com>
Yes. I'll send with __iowmb() instead of wmb().
On 02/05/2014 12:15 AM, Santosh Shilimkar wrote:
> On Tuesday 04 February 2014 03:17 PM, Thomas Gleixner wrote:
>> On Tue, 4 Feb 2014, Ivan Khoronzhuk wrote:
>>
>> Please do not top post.
>>
>>> It was so in v1. But it was decided to use explicit memory barriers,
>>> because we're always sure the memory barriers are there and that
>>> they're properly documented. Also in this case I don't need to add
>>> keystone readl/writel relaxed function variants and to use mixed calls of
>>> writel/writel_relaxed functions.
>>>
>>> See:
>>> http://www.spinics.net/lists/arm-kernel/msg294941.html
>> Fair enough, but we want a proper explanation for explicit barriers in
>> the code and not in some random discussion of patch version X on some
>> random mailing list.
>>
>> Aside of that it should be iowmb(), but I might miss something ...
>>
> Agree. __iowmb() seems to be more appropriate.
>
> Regards,
> Santosh
>
--
Regards,
Ivan Khoronzhuk
next prev parent reply other threads:[~2014-02-04 22:35 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-02-04 11:30 [PATCH v4 0/3] Introduce clocksource driver for Keystone platform Ivan Khoronzhuk
2014-02-04 11:30 ` Ivan Khoronzhuk
2014-02-04 11:30 ` Ivan Khoronzhuk
2014-02-04 11:30 ` [PATCH v4 1/3] clocksource: timer-keystone: introduce clocksource driver for Keystone Ivan Khoronzhuk
2014-02-04 11:30 ` Ivan Khoronzhuk
2014-02-04 11:30 ` Ivan Khoronzhuk
2014-02-04 11:41 ` Ivan Khoronzhuk
2014-02-04 11:41 ` Ivan Khoronzhuk
2014-02-04 11:41 ` Ivan Khoronzhuk
2014-02-04 16:24 ` Thomas Gleixner
2014-02-04 16:24 ` Thomas Gleixner
2014-02-04 16:54 ` Ivan Khoronzhuk
2014-02-04 16:54 ` Ivan Khoronzhuk
2014-02-04 16:54 ` Ivan Khoronzhuk
2014-02-04 20:17 ` Thomas Gleixner
2014-02-04 20:17 ` Thomas Gleixner
2014-02-04 22:15 ` Santosh Shilimkar
2014-02-04 22:15 ` Santosh Shilimkar
2014-02-04 22:15 ` Santosh Shilimkar
2014-02-04 22:35 ` Ivan Khoronzhuk [this message]
2014-02-04 22:35 ` Ivan Khoronzhuk
2014-02-04 22:35 ` Ivan Khoronzhuk
2014-02-04 11:30 ` [PATCH v4 2/3] clocksource: keystone: add bindings for keystone timer Ivan Khoronzhuk
2014-02-04 11:30 ` Ivan Khoronzhuk
2014-02-04 11:30 ` Ivan Khoronzhuk
2014-02-04 11:42 ` Ivan Khoronzhuk
2014-02-04 11:42 ` Ivan Khoronzhuk
2014-02-04 11:42 ` Ivan Khoronzhuk
2014-02-04 11:30 ` [PATCH v4 3/3] arm: dts: keystone: add keystone timer entry Ivan Khoronzhuk
2014-02-04 11:30 ` Ivan Khoronzhuk
2014-02-04 11:30 ` Ivan Khoronzhuk
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