From: Gavin Shan <gwshan@linux.vnet.ibm.com>
Date: Fri, 23 Jan 2015 03:25:05 +0000 (+1100)
Subject: powerpc/powernv: Separate function for OPAL IRQ setup
X-Git-Tag: fixes-v4.0-rc1~132^2~18
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c1c3a526bb4ddbec7639a9fb3b84fede25b201d9;p=pandora-kernel.git

powerpc/powernv: Separate function for OPAL IRQ setup

The patch put the OPAL interrupt setup logic in opal_init() into
seperate function opal_irq_init() for easier code maintaining. The
patch doesn't introduce logic changes except:

   * Rename variable names.
   * Release virtual IRQ upon error from request_irq().
   * Don't cache the virtual IRQ to opal_irqs[] upon error from
     request_irq().

Suggested-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Gavin Shan <gwshan@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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