}
 
 #ifdef CONFIG_X86_AMD_PLATFORM_DEVICE
-static struct apd_device_desc cz_i2c_desc = {
+static const struct apd_device_desc cz_i2c_desc = {
        .setup = acpi_apd_setup,
        .fixed_clk_rate = 133000000,
 };
        { },
 };
 
-static struct apd_device_desc cz_uart_desc = {
+static const struct apd_device_desc cz_uart_desc = {
        .setup = acpi_apd_setup,
        .fixed_clk_rate = 48000000,
        .properties = uart_properties,
 #endif
 
 #ifdef CONFIG_ARM64
-static struct apd_device_desc xgene_i2c_desc = {
+static const struct apd_device_desc xgene_i2c_desc = {
        .setup = acpi_apd_setup,
        .fixed_clk_rate = 100000000,
 };
 
-static struct apd_device_desc vulcan_spi_desc = {
+static const struct apd_device_desc vulcan_spi_desc = {
        .setup = acpi_apd_setup,
        .fixed_clk_rate = 133000000,
 };