slim: msm: Handle case where CONFIG_RUNTIME_PM may not be defined
Slimbus MSM controller voting will return -ENODEV if runtime
PM is not defined.
Signed-off-by: Sagar Dharia <sdharia@codeaurora.org>
diff --git a/drivers/slimbus/slim-msm-ctrl.c b/drivers/slimbus/slim-msm-ctrl.c
index 062b928..aa67c8c 100644
--- a/drivers/slimbus/slim-msm-ctrl.c
+++ b/drivers/slimbus/slim-msm-ctrl.c
@@ -336,7 +336,8 @@
static int msm_slim_get_ctrl(struct msm_slim_ctrl *dev)
{
- int ref;
+#ifdef CONFIG_PM_RUNTIME
+ int ref = 0;
int ret = pm_runtime_get_sync(dev->dev);
if (ret >= 0) {
ref = atomic_read(&dev->dev->power.usage_count);
@@ -346,11 +347,16 @@
}
}
return ret;
+#else
+ return -ENODEV;
+#endif
}
static void msm_slim_put_ctrl(struct msm_slim_ctrl *dev)
{
+#ifdef CONFIG_PM_RUNTIME
pm_runtime_mark_last_busy(dev->dev);
pm_runtime_put(dev->dev);
+#endif
}
static irqreturn_t msm_slim_interrupt(int irq, void *d)
@@ -1913,6 +1919,7 @@
* functions to be called from system suspend/resume. So they are not
* inside ifdef CONFIG_PM_RUNTIME
*/
+#ifdef CONFIG_PM_SLEEP
static int msm_slim_runtime_suspend(struct device *device)
{
struct platform_device *pdev = to_platform_device(device);
@@ -1947,7 +1954,6 @@
return ret;
}
-#ifdef CONFIG_PM_SLEEP
static int msm_slim_suspend(struct device *dev)
{
int ret = 0;