Update the device tree to enable `multi-master` mode on I2C buses shared
between the host BMC and the NV module with HMC. This ensures proper bus
arbitration and coordination in multi-master environments, preventing
communication conflicts and improving reliability.
Signed-off-by: Potin Lai <potin.lai.pt@xxxxxxxxx>
---
arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-catalina.dts | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-catalina.dts b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-catalina.dts
index 573701bb7fee..c11de5a61912 100644
--- a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-catalina.dts
+++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-catalina.dts
@@ -800,6 +800,7 @@ ssif-bmc@10 {
&i2c12 {
status = "okay";
+ multi-master;
// Module 1 FRU EEPROM
eeprom@50 {
@@ -810,6 +811,7 @@ eeprom@50 {
&i2c13 {
status = "okay";
+ multi-master;
// Module 0 FRU EEPROM
eeprom@50 {
--
2.31.1
