diff --git a/target/linux/at91/sam9x/config-5.10 b/target/linux/at91/sam9x/config-5.10
index 021231d3dfd..da2229b22a9 100644
--- a/target/linux/at91/sam9x/config-5.10
+++ b/target/linux/at91/sam9x/config-5.10
@@ -217,6 +217,7 @@ CONFIG_PHYLINK=y
 CONFIG_PINCTRL=y
 CONFIG_PINCTRL_AT91=y
 # CONFIG_PINCTRL_AT91PIO4 is not set
+# CONFIG_PINCTRL_MCP23S08 is not set
 CONFIG_PM=y
 CONFIG_PM_CLK=y
 CONFIG_PM_SLEEP=y
diff --git a/target/linux/at91/sam9x/config-5.15 b/target/linux/at91/sam9x/config-5.15
index 3aa652c1888..85fe1dd8af3 100644
--- a/target/linux/at91/sam9x/config-5.15
+++ b/target/linux/at91/sam9x/config-5.15
@@ -219,6 +219,7 @@ CONFIG_PHYLINK=y
 CONFIG_PINCTRL=y
 CONFIG_PINCTRL_AT91=y
 # CONFIG_PINCTRL_AT91PIO4 is not set
+# CONFIG_PINCTRL_MCP23S08 is not set
 CONFIG_PM=y
 CONFIG_PM_CLK=y
 CONFIG_PM_SLEEP=y