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ARM: zynq: Setup correct slcr_lock value

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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>
This commit is contained in:
Michal Simek 2013-08-30 07:26:08 +02:00
parent 6e04769caf
commit 2da7a745b6
1 changed files with 6 additions and 2 deletions
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8
arch/arm/cpu/armv7/zynq/slcr.c
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@ -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 */