diff options
| author | Ravi Patel <ravi.patel@xilinx.com> | 2020-11-23 04:19:08 -0800 |
|---|---|---|
| committer | Manish Pandey <manish.pandey2@arm.com> | 2020-12-07 11:08:09 +0000 |
| commit | addc4e969bb157d736ccd0d46db85c8e9c835d42 (patch) | |
| tree | 2d753bb73f852eafdd52893195f20e0845620710 | |
| parent | d4c7b55050df147dce8c243e6bc8a3e9645c027b (diff) | |
| download | arm-trusted-firmware-addc4e969bb157d736ccd0d46db85c8e9c835d42.tar.gz | |
plat: xilinx: Mask unnecessary bytes of return error code
Versal firmware adds extra error codes along with PM error codes
while sending response to driver. This makes incorrect error
identification at driver side.
To fix this, mask the unnecessary error bytes before sending the
error code to the driver.
Signed-off-by: Ravi Patel <ravi.patel@xilinx.com>
Signed-off-by: Rajan Vaja <rajan.vaja@xilinx.com>
Change-Id: I18c2f3bd2d067e91344852c2f0c1bafea0e6eb23
| -rw-r--r-- | plat/xilinx/common/pm_service/pm_ipi.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/plat/xilinx/common/pm_service/pm_ipi.c b/plat/xilinx/common/pm_service/pm_ipi.c index c83d25b0d..5dcceaea2 100644 --- a/plat/xilinx/common/pm_service/pm_ipi.c +++ b/plat/xilinx/common/pm_service/pm_ipi.c @@ -18,6 +18,8 @@ #include "pm_ipi.h" +#define ERROR_CODE_MASK 0xFFFFU + DEFINE_BAKERY_LOCK(pm_secure_lock); /** @@ -230,7 +232,7 @@ enum pm_ret_status pm_ipi_send_sync(const struct pm_proc *proc, if (ret != PM_RET_SUCCESS) goto unlock; - ret = pm_ipi_buff_read(proc, value, count); + ret = ERROR_CODE_MASK & (pm_ipi_buff_read(proc, value, count)); unlock: bakery_lock_release(&pm_secure_lock); |