[PATCH 4/4] PM / ACPI: Split acpi_lpss_suspend_late|resume_early()

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Move the code which is special to ACPI LPSS into separate functions. This
may clarify the code a bit, but the main purpose of this change, is instead
to prepare for additional changes on top. Ideally the following changes
should then become easier to review.

Signed-off-by: Ulf Hansson <ulf.hansson@xxxxxxxxxx>
---
 drivers/acpi/acpi_lpss.c | 29 +++++++++++++++++++++++------
 1 file changed, 23 insertions(+), 6 deletions(-)

diff --git a/drivers/acpi/acpi_lpss.c b/drivers/acpi/acpi_lpss.c
index 0c84d15..e726173 100644
--- a/drivers/acpi/acpi_lpss.c
+++ b/drivers/acpi/acpi_lpss.c
@@ -717,22 +717,28 @@ static void acpi_lpss_dismiss(struct device *dev)
 }
 
 #ifdef CONFIG_PM_SLEEP
-static int acpi_lpss_suspend_late(struct device *dev)
+static int lpss_suspend_late(struct device *dev)
 {
 	struct lpss_private_data *pdata = acpi_driver_data(ACPI_COMPANION(dev));
+
+	if (pdata->dev_desc->flags & LPSS_SAVE_CTX)
+		acpi_lpss_save_ctx(dev, pdata);
+
+	return acpi_dev_suspend_late(dev);
+}
+
+static int acpi_lpss_suspend_late(struct device *dev)
+{
 	int ret;
 
 	ret = pm_generic_suspend_late(dev);
 	if (ret)
 		return ret;
 
-	if (pdata->dev_desc->flags & LPSS_SAVE_CTX)
-		acpi_lpss_save_ctx(dev, pdata);
-
-	return acpi_dev_suspend_late(dev);
+	return lpss_suspend_late(dev);
 }
 
-static int acpi_lpss_resume_early(struct device *dev)
+static int lpss_resume_early(struct device *dev)
 {
 	struct lpss_private_data *pdata = acpi_driver_data(ACPI_COMPANION(dev));
 	int ret;
@@ -746,6 +752,17 @@ static int acpi_lpss_resume_early(struct device *dev)
 	if (pdata->dev_desc->flags & LPSS_SAVE_CTX)
 		acpi_lpss_restore_ctx(dev, pdata);
 
+	return 0;
+}
+
+static int acpi_lpss_resume_early(struct device *dev)
+{
+	int ret;
+
+	ret = lpss_resume_early(dev);
+	if (ret)
+		return ret;
+
 	return pm_generic_resume_early(dev);
 }
 #endif /* CONFIG_PM_SLEEP */
-- 
2.7.4

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