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-rw-r--r--arch/arm/cpu/armv8/zynqmp/cpu.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/arm/cpu/armv8/zynqmp/cpu.c b/arch/arm/cpu/armv8/zynqmp/cpu.c
index e122be59c7..1279dc8658 100644
--- a/arch/arm/cpu/armv8/zynqmp/cpu.c
+++ b/arch/arm/cpu/armv8/zynqmp/cpu.c
@@ -212,8 +212,12 @@ static int zynqmp_mmio_rawwrite(const u32 address,
{
u32 data;
u32 value_local = value;
+ int ret;
+
+ ret = zynqmp_mmio_read(address, &data);
+ if (ret)
+ return ret;
- zynqmp_mmio_read(address, &data);
data &= ~mask;
value_local &= mask;
value_local |= data;