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From: santosh.shilimkar@oracle.com (santosh shilimkar)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 1/3] Documentation: dt: keystone: provide SoC specific compatible flags
Date: Fri, 25 Sep 2015 09:15:21 -0700	[thread overview]
Message-ID: <56057319.9080104@oracle.com> (raw)
In-Reply-To: <56056FD9.5060000@ti.com>

9/25/2015 9:01 AM, Nishanth Menon wrote:
> On 09/25/2015 10:18 AM, santosh shilimkar wrote:
>> On 9/25/2015 7:50 AM, Nishanth Menon wrote:
> [...]
>>> But, how about userspace
>>> needing to know which SoC they are on, without needing to depend on
>>> board->soc mapping? How do we help resolve that?
>>>
>> Why the user space should care about exact SOC ?
>
> examples vary - trivial one is: debug tools like omapconf[1] or testing
> tools like opentest[2] need some standard way to ensure Linux kernel is
> functional - trusting the least set of parameters is usually what we
> would prefer. while building a generic distro such as debian or yocto,
> one prefers NOT to need to do a package build per SoC/perboard - that
> never scales. instead, you'd like the same application run on different
> systems dynamically.
>
I guessed omapconf example is coming though Keystone has no such tool
yet ;-). Opentest shouldn't need that info either.

I do agree that having a soc along with board is useful in
longer run to accommodation more boards and variants.
And only on that merit, I am willing to take these patches.

Please refresh the series commit messages based on the
discussion so far and repost. Will pick it up then.

Regards,
Santosh

WARNING: multiple messages have this Message-ID (diff)
From: santosh shilimkar <santosh.shilimkar-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
To: Nishanth Menon <nm-l0cyMroinI0@public.gmane.org>,
	Murali Karicheri <m-karicheri2-l0cyMroinI0@public.gmane.org>,
	Santosh Shilimkar
	<ssantosh-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
Cc: devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org
Subject: Re: [PATCH 1/3] Documentation: dt: keystone: provide SoC specific compatible flags
Date: Fri, 25 Sep 2015 09:15:21 -0700	[thread overview]
Message-ID: <56057319.9080104@oracle.com> (raw)
In-Reply-To: <56056FD9.5060000-l0cyMroinI0@public.gmane.org>

9/25/2015 9:01 AM, Nishanth Menon wrote:
> On 09/25/2015 10:18 AM, santosh shilimkar wrote:
>> On 9/25/2015 7:50 AM, Nishanth Menon wrote:
> [...]
>>> But, how about userspace
>>> needing to know which SoC they are on, without needing to depend on
>>> board->soc mapping? How do we help resolve that?
>>>
>> Why the user space should care about exact SOC ?
>
> examples vary - trivial one is: debug tools like omapconf[1] or testing
> tools like opentest[2] need some standard way to ensure Linux kernel is
> functional - trusting the least set of parameters is usually what we
> would prefer. while building a generic distro such as debian or yocto,
> one prefers NOT to need to do a package build per SoC/perboard - that
> never scales. instead, you'd like the same application run on different
> systems dynamically.
>
I guessed omapconf example is coming though Keystone has no such tool
yet ;-). Opentest shouldn't need that info either.

I do agree that having a soc along with board is useful in
longer run to accommodation more boards and variants.
And only on that merit, I am willing to take these patches.

Please refresh the series commit messages based on the
discussion so far and repost. Will pick it up then.

Regards,
Santosh
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WARNING: multiple messages have this Message-ID (diff)
From: santosh shilimkar <santosh.shilimkar@oracle.com>
To: Nishanth Menon <nm@ti.com>,
	Murali Karicheri <m-karicheri2@ti.com>,
	Santosh Shilimkar <ssantosh@kernel.org>
Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 1/3] Documentation: dt: keystone: provide SoC specific compatible flags
Date: Fri, 25 Sep 2015 09:15:21 -0700	[thread overview]
Message-ID: <56057319.9080104@oracle.com> (raw)
In-Reply-To: <56056FD9.5060000@ti.com>

9/25/2015 9:01 AM, Nishanth Menon wrote:
> On 09/25/2015 10:18 AM, santosh shilimkar wrote:
>> On 9/25/2015 7:50 AM, Nishanth Menon wrote:
> [...]
>>> But, how about userspace
>>> needing to know which SoC they are on, without needing to depend on
>>> board->soc mapping? How do we help resolve that?
>>>
>> Why the user space should care about exact SOC ?
>
> examples vary - trivial one is: debug tools like omapconf[1] or testing
> tools like opentest[2] need some standard way to ensure Linux kernel is
> functional - trusting the least set of parameters is usually what we
> would prefer. while building a generic distro such as debian or yocto,
> one prefers NOT to need to do a package build per SoC/perboard - that
> never scales. instead, you'd like the same application run on different
> systems dynamically.
>
I guessed omapconf example is coming though Keystone has no such tool
yet ;-). Opentest shouldn't need that info either.

I do agree that having a soc along with board is useful in
longer run to accommodation more boards and variants.
And only on that merit, I am willing to take these patches.

Please refresh the series commit messages based on the
discussion so far and repost. Will pick it up then.

Regards,
Santosh

  reply	other threads:[~2015-09-25 16:15 UTC|newest]

Thread overview: 70+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-09-22 16:08 [PATCH 0/3] ARM: dts/keystone: Introduce SoC specific compatible matches Nishanth Menon
2015-09-22 16:08 ` Nishanth Menon
2015-09-22 16:08 ` Nishanth Menon
2015-09-22 16:08 ` [PATCH 1/3] Documentation: dt: keystone: provide SoC specific compatible flags Nishanth Menon
2015-09-22 16:08   ` Nishanth Menon
2015-09-22 16:08   ` Nishanth Menon
2015-09-23 18:05   ` Murali Karicheri
2015-09-23 18:05     ` Murali Karicheri
2015-09-23 18:05     ` Murali Karicheri
2015-09-23 19:15     ` Nishanth Menon
2015-09-23 19:15       ` Nishanth Menon
2015-09-23 19:15       ` Nishanth Menon
2015-09-23 18:19   ` santosh shilimkar
2015-09-23 18:19     ` santosh shilimkar
2015-09-23 18:19     ` santosh shilimkar
2015-09-24 14:05     ` Murali Karicheri
2015-09-24 14:05       ` Murali Karicheri
2015-09-24 14:05       ` Murali Karicheri
2015-09-24 14:20       ` Nishanth Menon
2015-09-24 14:20         ` Nishanth Menon
2015-09-24 14:20         ` Nishanth Menon
2015-09-24 15:54         ` Murali Karicheri
2015-09-24 15:54           ` Murali Karicheri
2015-09-24 15:54           ` Murali Karicheri
2015-09-25 14:50           ` Nishanth Menon
2015-09-25 14:50             ` Nishanth Menon
2015-09-25 14:50             ` Nishanth Menon
2015-09-25 15:18             ` santosh shilimkar
2015-09-25 15:18               ` santosh shilimkar
2015-09-25 16:01               ` Nishanth Menon
2015-09-25 16:01                 ` Nishanth Menon
2015-09-25 16:01                 ` Nishanth Menon
2015-09-25 16:15                 ` santosh shilimkar [this message]
2015-09-25 16:15                   ` santosh shilimkar
2015-09-25 16:15                   ` santosh shilimkar
2015-09-25 17:38                   ` Nishanth Menon
2015-09-25 17:38                     ` Nishanth Menon
2015-09-25 17:38                     ` Nishanth Menon
2015-10-02 16:09                     ` santosh shilimkar
2015-10-02 16:09                       ` santosh shilimkar
2015-10-03 23:44                       ` Nishanth Menon
2015-10-03 23:44                         ` Nishanth Menon
2015-10-03 23:44                         ` Nishanth Menon
2015-10-04  0:16                         ` santosh.shilimkar at oracle.com
2015-10-04  0:16                           ` santosh.shilimkar
2015-10-04  0:16                           ` santosh.shilimkar-QHcLZuEGTsvQT0dZR+AlfA
2015-09-30 14:31                 ` Murali Karicheri
2015-09-30 14:31                   ` Murali Karicheri
2015-09-30 14:31                   ` Murali Karicheri
2015-09-22 16:08 ` [PATCH 2/3] ARM: keystone: Update compatible to have SoC specific matches Nishanth Menon
2015-09-22 16:08   ` Nishanth Menon
2015-09-22 16:08   ` Nishanth Menon
2015-09-22 16:08 ` [PATCH 3/3] ARM: dts: keystone: Update SoC specific compatible flags Nishanth Menon
2015-09-22 16:08   ` Nishanth Menon
2015-09-22 16:08   ` Nishanth Menon
2015-10-03 23:38 ` [PATCH V2 0/3] ARM: dts/keystone: Introduce SoC specific compatible matches Nishanth Menon
2015-10-03 23:38   ` Nishanth Menon
2015-10-03 23:38   ` Nishanth Menon
2015-10-03 23:38   ` [PATCH V2 1/3] Documentation: dt: keystone: provide SoC specific compatible flags Nishanth Menon
2015-10-03 23:38     ` Nishanth Menon
2015-10-03 23:38     ` Nishanth Menon
2015-10-03 23:38   ` [PATCH V2 2/3] ARM: keystone: Update compatible to have SoC specific matches Nishanth Menon
2015-10-03 23:38     ` Nishanth Menon
2015-10-03 23:38     ` Nishanth Menon
2015-10-03 23:38   ` [PATCH V2 3/3] ARM: dts: keystone: Update SoC specific compatible flags Nishanth Menon
2015-10-03 23:38     ` Nishanth Menon
2015-10-03 23:38     ` Nishanth Menon
2015-10-04  0:13   ` [PATCH V2 0/3] ARM: dts/keystone: Introduce SoC specific compatible matches santosh.shilimkar at oracle.com
2015-10-04  0:13     ` santosh.shilimkar
2015-10-04  0:13     ` santosh.shilimkar-QHcLZuEGTsvQT0dZR+AlfA

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