From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Date: Wed, 7 Mar 2007 22:57:35 +0000 (-0800)
Subject: [IA64] fix NULL pointer in ia64/irq_chip-mask/unmask function
X-Git-Tag: v2.6.21-rc4~101^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e253eb0c082e71082cc980a0c81582c2bc734605;p=pandora-kernel.git

[IA64] fix NULL pointer in ia64/irq_chip-mask/unmask function

This patch fixes boot failure because irq_desc->mask() is NULL.

- Added mask/unmask functions to ia64's irq desc function table.
- rename hw_interrupt_type to irq_chip. hw_interrupt_type is old name.
- Tony: Added same change to arch/ia64/sn/kernel/irq.c as pointed out
  by Eric Biederman ... mask/unmask functions there can be no-op.

Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Tony Luck <tony.luck@intel.com>
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