From: menon.nishanth@gmail.com (Nishanth Menon)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 1/3] Documentation: dt: keystone: provide SoC specific compatible flags
Date: Fri, 25 Sep 2015 12:38:39 -0500 [thread overview]
Message-ID: <5605869F.9080906@gmail.com> (raw)
In-Reply-To: <56057319.9080104@oracle.com>
On 09/25/2015 11:15 AM, santosh shilimkar wrote:
> 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
:) That is true - as of now. maynot be the case for future.
> yet ;-). Opentest shouldn't need that info either.
we did debate this on opentest, but we could not implement anything
since we did not have a consistent solution yet.
> 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.
>
Thanks. I will do so (probably early next week)..
--
Regards,
Nishanth Menon
WARNING: multiple messages have this Message-ID (diff)
From: Nishanth Menon <menon.nishanth-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: santosh shilimkar
<santosh.shilimkar-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>,
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 12:38:39 -0500 [thread overview]
Message-ID: <5605869F.9080906@gmail.com> (raw)
In-Reply-To: <56057319.9080104-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
On 09/25/2015 11:15 AM, santosh shilimkar wrote:
> 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
:) That is true - as of now. maynot be the case for future.
> yet ;-). Opentest shouldn't need that info either.
we did debate this on opentest, but we could not implement anything
since we did not have a consistent solution yet.
> 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.
>
Thanks. I will do so (probably early next week)..
--
Regards,
Nishanth Menon
--
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WARNING: multiple messages have this Message-ID (diff)
From: Nishanth Menon <menon.nishanth@gmail.com>
To: santosh shilimkar <santosh.shilimkar@oracle.com>,
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 12:38:39 -0500 [thread overview]
Message-ID: <5605869F.9080906@gmail.com> (raw)
In-Reply-To: <56057319.9080104@oracle.com>
On 09/25/2015 11:15 AM, santosh shilimkar wrote:
> 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
:) That is true - as of now. maynot be the case for future.
> yet ;-). Opentest shouldn't need that info either.
we did debate this on opentest, but we could not implement anything
since we did not have a consistent solution yet.
> 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.
>
Thanks. I will do so (probably early next week)..
--
Regards,
Nishanth Menon
next prev parent reply other threads:[~2015-09-25 17:38 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
2015-09-25 16:15 ` santosh shilimkar
2015-09-25 16:15 ` santosh shilimkar
2015-09-25 17:38 ` Nishanth Menon [this message]
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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