From: Ingo Molnar <mingo@elte.hu>
Date: Fri, 16 Jan 2009 16:43:50 +0000 (+0100)
Subject: irq: provide debug_poll_all_shared_irqs() method under CONFIG_DEBUG_SHIRQ
X-Git-Tag: v2.6.30-rc1~3^2~10^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=74296a8ed6aa3c5bf672808ada690de7ba323ecc;p=pandora-kernel.git

irq: provide debug_poll_all_shared_irqs() method under CONFIG_DEBUG_SHIRQ

Provide a shared interrupt debug facility under CONFIG_DEBUG_SHIRQ:
it uses the existing irqpoll facilities to iterate through all
registered interrupt handlers and call those which can handle shared
IRQ lines.

This can be handy for suspend/resume debugging: if we call this function
early during resume we can trigger crashes in those drivers which have
incorrect assumptions about when exactly their ISRs will be called
during suspend/resume.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
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