[PATCH 1/2] mfd: si476x: queue polling work on freezable workqueue

[Jiale Yao]

SI476x devices without an interrupt continuously poll their status over
I2C. The polling callback runs on the non-freezable system workqueue and
can issue a transfer after the adapter has been suspended.

Queue status polling on system_freezable_wq so it stops before device
suspend and continues after resume.

Signed-off-by: Jiale Yao <yaojiale02@xxxxxxx>
---
 drivers/mfd/si476x-i2c.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/mfd/si476x-i2c.c b/drivers/mfd/si476x-i2c.c
index 9bce720a0a08..8d952113f8a6 100644
--- a/drivers/mfd/si476x-i2c.c
+++ b/drivers/mfd/si476x-i2c.c
@@ -17,6 +17,7 @@
 #include <linux/regulator/consumer.h>
 #include <linux/i2c.h>
 #include <linux/err.h>
+#include <linux/workqueue.h>
 
 #include <linux/mfd/si476x-core.h>
 
@@ -97,8 +98,8 @@ static int si476x_core_config_pinmux(struct si476x_core *core)
 
 static inline void si476x_core_schedule_polling_work(struct si476x_core *core)
 {
-	schedule_delayed_work(&core->status_monitor,
-			      usecs_to_jiffies(SI476X_STATUS_POLL_US));
+	queue_delayed_work(system_freezable_wq, &core->status_monitor,
+			   usecs_to_jiffies(SI476X_STATUS_POLL_US));
 }
 
 /**
-- 
2.34.1