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 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