Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 4.4 095/112] irqchip/gic-v3-its: Fix entry size mask for GITS_BASER | Date | Wed, 26 Oct 2016 14:23:18 +0200 |
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4.4-stable review patch. If anyone has any objections, please let me know.
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From: Vladimir Murzin <vladimir.murzin@arm.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@arm.com> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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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