diff options
Diffstat (limited to 'arch/arm/cpu/armv8')
| -rw-r--r-- | arch/arm/cpu/armv8/zynqmp/cpu.c | 6 |
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; |