linux-kernel - [PATCH 4.2.y-ckt 065/305] ARM: orion5x: Fix legacy get_irqnr_and

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Message-Id: <1452902519-2754-66-git-send-email-kamal@canonical.com>
Date:	Fri, 15 Jan 2016 15:57:59 -0800
From:	Kamal Mostafa <kamal@...onical.com>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	kernel-team@...ts.ubuntu.com
Cc:	Nicolas Pitre <nico@...aro.org>,
	Jason Cooper <jason@...edaemon.net>,
	Kamal Mostafa <kamal@...onical.com>
Subject: [PATCH 4.2.y-ckt 065/305] ARM: orion5x: Fix legacy get_irqnr_and_base

4.2.8-ckt2 -stable review patch.  If anyone has any objections, please let me know.

---8<------------------------------------------------------------

From: Nicolas Pitre <nicolas.pitre@...aro.org>

commit 4d2ec7e206ae03a51dfbdedc120ce88d403ec926 upstream.

Commit 5be9fc23cd ("ARM: orion5x: fix legacy orion5x IRQ numbers") shifted
IRQ numbers by one but didn't update the get_irqnr_and_base macro
accordingly.  This macro is involved when CONFIG_MULTI_IRQ_HANDLER
is not defined.

[jac: 5d6bed2a9c went in to v4.2, but was backported to v3.18]

Signed-off-by: Nicolas Pitre <nico@...aro.org>
Fixes: 5be9fc23cd ("ARM: orion5x: fix legacy orion5x IRQ numbers")
Signed-off-by: Jason Cooper <jason@...edaemon.net>
Signed-off-by: Kamal Mostafa <kamal@...onical.com>
---
 arch/arm/mach-orion5x/include/mach/entry-macro.S | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/mach-orion5x/include/mach/entry-macro.S b/arch/arm/mach-orion5x/include/mach/entry-macro.S
index 79eb502..73919a3 100644
--- a/arch/arm/mach-orion5x/include/mach/entry-macro.S
+++ b/arch/arm/mach-orion5x/include/mach/entry-macro.S
@@ -21,5 +21,5 @@
 	@ find cause bits that are unmasked
 	ands	\irqstat, \irqstat, \tmp	@ clear Z flag if any
 	clzne	\irqnr,	\irqstat		@ calc irqnr
-	rsbne	\irqnr, \irqnr, #31
+	rsbne	\irqnr, \irqnr, #32
 	.endm
-- 
1.9.1