mfd: intel-lpss: Switch to use the software nodes

Software node was always created for the device if it was
supplied with additional device properties, so those nodes
might as well be constant.

Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
diff --git a/drivers/mfd/intel-lpss-acpi.c b/drivers/mfd/intel-lpss-acpi.c
index 14a9cd8..1f39603 100644
--- a/drivers/mfd/intel-lpss-acpi.c
+++ b/drivers/mfd/intel-lpss-acpi.c
@@ -27,9 +27,13 @@ static const struct property_entry spt_i2c_properties[] = {
 	{ },
 };
 
+static const struct software_node spt_i2c_node = {
+	.properties = spt_i2c_properties,
+};
+
 static const struct intel_lpss_platform_info spt_i2c_info = {
 	.clk_rate = 120000000,
-	.properties = spt_i2c_properties,
+	.swnode = &spt_i2c_node,
 };
 
 static const struct property_entry uart_properties[] = {
@@ -39,10 +43,14 @@ static const struct property_entry uart_properties[] = {
 	{ },
 };
 
+static const struct software_node uart_node = {
+	.properties = uart_properties,
+};
+
 static const struct intel_lpss_platform_info spt_uart_info = {
 	.clk_rate = 120000000,
 	.clk_con_id = "baudclk",
-	.properties = uart_properties,
+	.swnode = &uart_node,
 };
 
 static const struct intel_lpss_platform_info bxt_info = {
@@ -56,9 +64,13 @@ static const struct property_entry bxt_i2c_properties[] = {
 	{ },
 };
 
+static const struct software_node bxt_i2c_node = {
+	.properties = bxt_i2c_properties,
+};
+
 static const struct intel_lpss_platform_info bxt_i2c_info = {
 	.clk_rate = 133000000,
-	.properties = bxt_i2c_properties,
+	.swnode = &bxt_i2c_node,
 };
 
 static const struct property_entry apl_i2c_properties[] = {
@@ -68,9 +80,13 @@ static const struct property_entry apl_i2c_properties[] = {
 	{ },
 };
 
+static const struct software_node apl_i2c_node = {
+	.properties = apl_i2c_properties,
+};
+
 static const struct intel_lpss_platform_info apl_i2c_info = {
 	.clk_rate = 133000000,
-	.properties = apl_i2c_properties,
+	.swnode = &apl_i2c_node,
 };
 
 static const struct acpi_device_id intel_lpss_acpi_ids[] = {