irqchip/gic-v3-its: Fix entry size mask for GITS_BASER

Entry Size in GITS_BASER<n> occupies 5 bits [52:48], but we mask out 8
bits.

Fixes: cc2d3216f53c ("irqchip: GICv3: ITS command queue")
Cc: stable@vger.kernel.org
Signed-off-by: Vladimir Murzin <vladimir.murzin@arm.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>

diff --git a/include/linux/irqchip/arm-gic-v3.h b/include/linux/irqchip/arm-gic-v3.h
index 8361c8d..b7e3431 100644 (file)
--- 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)