From: vladimir.murzin@arm.com (Vladimir Murzin)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] irqchip: gic-v3-its: fix entry size mask for GITS_BASER
Date: Mon, 17 Oct 2016 16:00:46 +0100 [thread overview]
Message-ID: <1476716446-28646-1-git-send-email-vladimir.murzin@arm.com> (raw)
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@arm.com>
---
include/linux/irqchip/arm-gic-v3.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/linux/irqchip/arm-gic-v3.h b/include/linux/irqchip/arm-gic-v3.h
index 7dec96f..5118d3a 100644
--- a/include/linux/irqchip/arm-gic-v3.h
+++ b/include/linux/irqchip/arm-gic-v3.h
@@ -290,7 +290,7 @@
#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_SHAREABILITY_SHIFT (10)
#define GITS_BASER_InnerShareable \
GIC_BASER_SHAREABILITY(GITS_BASER, InnerShareable)
--
1.7.9.5
next reply other threads:[~2016-10-17 15:00 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-17 15:00 Vladimir Murzin [this message]
2016-10-17 15:07 ` [PATCH] irqchip: gic-v3-its: fix entry size mask for GITS_BASER Marc Zyngier
2016-10-17 15:11 ` Fabio Estevam
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