The driver should setup slcr state according to slcr operations. Reported-by: Andrey Filippov <and...@elphel.com> Signed-off-by: Michal Simek <michal.si...@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 1ff1eac..5ba58fa 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 */
--
1.8.2.3
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