From: Paul Mundt <lethal@linux-sh.org>
To: linux-sh@vger.kernel.org
Subject: Re: [PATCH] ARM: mach-shmobile: sh73a0 PINT IRQ base fix
Date: Wed, 18 Jan 2012 00:22:24 +0000 [thread overview]
Message-ID: <20120118002223.GE8182@linux-sh.org> (raw)
In-Reply-To: <20120117110540.5414.77262.sendpatchset@w520>
On Tue, Jan 17, 2012 at 08:05:40PM +0900, Magnus Damm wrote:
> Bump up the sh73a0 PINT IRQ base from 768 to 800 to avoid
> collision with INTCS vectors for IRQ16->IRQ32 at 0x3xxx.
>
> Without this fix the sh73a0 IRQ pin handling code collides
> with the PINT code which results in hangs on Kota2 during boot.
On Tue, Jan 17, 2012 at 08:10:49PM +0900, Magnus Damm wrote:
> Fix the sh73a0 external IRQ pin code to properly support
> CONFIG_SPARSE_IRQ=y by allocating IRQ descriptors for the
> cascaded IRQs associated with external IRQ pins.
>
> Without this fix it is impossible to request IRQ0->IRQ31
> on the Kota2 board when sparse IRQs are enabled.
On Tue, Jan 17, 2012 at 08:14:07PM +0900, Magnus Damm wrote:
> Now when GPIO IRQs are supported on sh73a0 modify the Kota2
> board code to switch from the polled "gpio-keys-polled" driver
> to the IRQ driven "gpio-keys" driver.
All applied, thanks.
prev parent reply other threads:[~2012-01-18 0:22 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-17 11:05 [PATCH] ARM: mach-shmobile: sh73a0 PINT IRQ base fix Magnus Damm
2012-01-18 0:22 ` Paul Mundt [this message]
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