fix(intel): fix bit masking issue in intel_secure_reg_update
intel_secure_reg_update function should apply mask to the value before
write into register.
Signed-off-by: Siew Chin Lim <elly.siew.chin.lim@intel.com>
Change-Id: I84bbd06e24b8666528b53030e8359743d438eb5b
diff --git a/plat/intel/soc/common/socfpga_sip_svc.c b/plat/intel/soc/common/socfpga_sip_svc.c
index 529bbbc..66dd6cd 100644
--- a/plat/intel/soc/common/socfpga_sip_svc.c
+++ b/plat/intel/soc/common/socfpga_sip_svc.c
@@ -344,7 +344,7 @@
{
if (!intel_secure_reg_read(reg_addr, retval)) {
*retval &= ~mask;
- *retval |= val;
+ *retval |= val & mask;
return intel_secure_reg_write(reg_addr, *retval, retval);
}