From: Afzal Mohammed <afzal@ti.com>
To: linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org
Cc: Tony Lindgren <tony@atomide.com>
Subject: Re: [PATCH v2] ARM: OMAP2+: wakeupgen: AM43x adaptation
Date: Sat, 12 Oct 2013 15:52:06 +0530 [thread overview]
Message-ID: <525922CE.6080200@ti.com> (raw)
In-Reply-To: <1381302753-7045-1-git-send-email-afzal@ti.com>
Hi Tony,
On Wednesday 09 October 2013 12:42 PM, Afzal Mohammed wrote:
> AM43x has 224 interrupts and 7 banks, make it as maximum values. Keep
> default values as earlier, if am43x is detected, update interrupts and
> banks accordingly.
>
> Also AM43x has only one cpu, ensure that clearing bitmask at wakeupgen
> is done only for the single existing cpu, existing code assumes that
> there are two cpu's.
>
> If bitmask is cleared in wakeupgen for the nonexistent second cpu,
> an imprecise abort happens as soon as Kernel switches to user space.
> It was rootcaused by Sekhar Nori <nsekhar@ti.com>.
>
> Signed-off-by: Afzal Mohammed <afzal@ti.com>
> ---
>
> v2:
> 1. make AM43x adaptation such that changes required for new SoC addition is less
> 2. avoid usage of am43x local variable, use soc_is_am43xx() instead
Seems you missed this one, please consider this for the coming merge
window. Without this AM43x would not boot to prompt.
Regards
Afzal
WARNING: multiple messages have this Message-ID (diff)
From: afzal@ti.com (Afzal Mohammed)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2] ARM: OMAP2+: wakeupgen: AM43x adaptation
Date: Sat, 12 Oct 2013 15:52:06 +0530 [thread overview]
Message-ID: <525922CE.6080200@ti.com> (raw)
In-Reply-To: <1381302753-7045-1-git-send-email-afzal@ti.com>
Hi Tony,
On Wednesday 09 October 2013 12:42 PM, Afzal Mohammed wrote:
> AM43x has 224 interrupts and 7 banks, make it as maximum values. Keep
> default values as earlier, if am43x is detected, update interrupts and
> banks accordingly.
>
> Also AM43x has only one cpu, ensure that clearing bitmask at wakeupgen
> is done only for the single existing cpu, existing code assumes that
> there are two cpu's.
>
> If bitmask is cleared in wakeupgen for the nonexistent second cpu,
> an imprecise abort happens as soon as Kernel switches to user space.
> It was rootcaused by Sekhar Nori <nsekhar@ti.com>.
>
> Signed-off-by: Afzal Mohammed <afzal@ti.com>
> ---
>
> v2:
> 1. make AM43x adaptation such that changes required for new SoC addition is less
> 2. avoid usage of am43x local variable, use soc_is_am43xx() instead
Seems you missed this one, please consider this for the coming merge
window. Without this AM43x would not boot to prompt.
Regards
Afzal
next prev parent reply other threads:[~2013-10-12 10:22 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-09 7:12 [PATCH v2] ARM: OMAP2+: wakeupgen: AM43x adaptation Afzal Mohammed
2013-10-09 7:12 ` Afzal Mohammed
2013-10-12 10:22 ` Afzal Mohammed [this message]
2013-10-12 10:22 ` Afzal Mohammed
2013-10-22 13:53 ` Afzal Mohammed
2013-10-22 13:53 ` Afzal Mohammed
2013-10-22 14:29 ` Tony Lindgren
2013-10-22 14:29 ` Tony Lindgren
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