From: Julien Grall <julien.grall@citrix.com>
Date: Wed, 15 Jul 2015 19:47:41 +0000 (+0100)
Subject: xen/arm: gicv3: Update comment for ICC_CTLR_EL1
X-Git-Tag: archive/raspbian/4.8.0-1+rpi1~1^2~2766
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=07c77aabadad30dada798be6d61cf9adc64de533;p=xen.git

xen/arm: gicv3: Update comment for ICC_CTLR_EL1

Xen is using EOImode 1 which means that EOI drops the priority and DIR
deactivates the interrupt.

Signed-off-by: Julien Grall <julien.grall@citrix.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
---

diff --git a/xen/arch/arm/gic-v3.c b/xen/arch/arm/gic-v3.c
index 20339512c6..d1db1ce18f 100644
--- a/xen/arch/arm/gic-v3.c
+++ b/xen/arch/arm/gic-v3.c
@@ -719,7 +719,7 @@ static int __cpuinit gicv3_cpu_init(void)
     /* Set priority mask register */
     WRITE_SYSREG32(DEFAULT_PMR_VALUE, ICC_PMR_EL1);
 
-    /* EOI drops priority too (mode 0) */
+    /* EOI drops priority, DIR deactivates the interrupt (mode 1) */
     WRITE_SYSREG32(GICC_CTLR_EL1_EOImode_drop, ICC_CTLR_EL1);
 
     /* Enable Group1 interrupts */