diff options
| author | Michal Simek <michal.simek@xilinx.com> | 2018-06-13 10:38:33 +0200 |
|---|---|---|
| committer | Michal Simek <michal.simek@xilinx.com> | 2018-06-15 08:54:05 +0200 |
| commit | e3c26b8d954084613de7a13fa6472d2f03429d0e (patch) | |
| tree | fe6a4523271fc3567d3d3f55225628d76e33436d | |
| parent | 1e3e68f109d6f4ac934319dee9e7928cfdce895c (diff) | |
| download | u-boot-e3c26b8d954084613de7a13fa6472d2f03429d0e.tar.gz u-boot-e3c26b8d954084613de7a13fa6472d2f03429d0e.tar.xz u-boot-e3c26b8d954084613de7a13fa6472d2f03429d0e.zip | |
arm64: zynqmp: Check return value in zynqmp_mmio_rawwrite()
There should be return value check from zynqmp_mmio_read() in
zynqmp_mmio_rawwrite() to make sure that errors are propagated properly.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
| -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; |