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Date: Wed, 26 Oct 2016 14:23:18 +0200
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
stable@...r.kernel.org, Vladimir Murzin <vladimir.murzin@....com>,
Marc Zyngier <marc.zyngier@....com>
Subject: [PATCH 4.4 095/112] irqchip/gic-v3-its: Fix entry size mask for GITS_BASER
4.4-stable review patch. If anyone has any objections, please let me know.
------------------
From: Vladimir Murzin <vladimir.murzin@....com>
commit 9224eb77e63f70f16c0b6b7a20ca7d395f3bc077 upstream.
Entry Size in GITS_BASER<n> occupies 5 bits [52:48], but we mask out 8
bits.
Fixes: cc2d3216f53c ("irqchip: GICv3: ITS command queue")
Signed-off-by: Vladimir Murzin <vladimir.murzin@....com>
Signed-off-by: Marc Zyngier <marc.zyngier@....com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
include/linux/irqchip/arm-gic-v3.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/include/linux/irqchip/arm-gic-v3.h
+++ b/include/linux/irqchip/arm-gic-v3.h
@@ -218,7 +218,7 @@
#define GITS_BASER_TYPE_SHIFT (56)
#define GITS_BASER_TYPE(r) (((r) >> GITS_BASER_TYPE_SHIFT) & 7)
#define GITS_BASER_ENTRY_SIZE_SHIFT (48)
-#define GITS_BASER_ENTRY_SIZE(r) ((((r) >> GITS_BASER_ENTRY_SIZE_SHIFT) & 0xff) + 1)
+#define GITS_BASER_ENTRY_SIZE(r) ((((r) >> GITS_BASER_ENTRY_SIZE_SHIFT) & 0x1f) + 1)
#define GITS_BASER_NonShareable (0UL << 10)
#define GITS_BASER_InnerShareable (1UL << 10)
#define GITS_BASER_OuterShareable (2UL << 10)
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