From 2da7a745b6d24eec7be30e7d11ca456d445e30c3 Mon Sep 17 00:00:00 2001
From: Michal Simek <michal.simek@xilinx.com>
Date: Fri, 30 Aug 2013 07:26:08 +0200
Subject: [PATCH] ARM: zynq: Setup correct slcr_lock value
The driver should setup slcr state according
to slcr operations.
Reported-by: Andrey Filippov <andrey@elphel.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
---
arch/arm/cpu/armv7/zynq/slcr.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/arch/arm/cpu/armv7/zynq/slcr.c b/arch/arm/cpu/armv7/zynq/slcr.c
index 1ff1eac06f9..5ba58fad162 100644
--- a/arch/arm/cpu/armv7/zynq/slcr.c
+++ b/arch/arm/cpu/armv7/zynq/slcr.c
@@ -21,14 +21,18 @@ static int slcr_lock = 1; /* 1 means locked, 0 means unlocked */
void zynq_slcr_lock(void)
{
- if (!slcr_lock)
+ if (!slcr_lock) {
writel(SLCR_LOCK_MAGIC, &slcr_base->slcr_lock);
+ slcr_lock = 1;
+ }
}
void zynq_slcr_unlock(void)
{
- if (slcr_lock)
+ if (slcr_lock) {
writel(SLCR_UNLOCK_MAGIC, &slcr_base->slcr_unlock);
+ slcr_lock = 0;
+ }
}
/* Reset the entire system */
--
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