diff options
Diffstat (limited to 'drivers/i2c/busses/i2c-designware-master.c')
-rw-r--r-- | drivers/i2c/busses/i2c-designware-master.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/i2c/busses/i2c-designware-master.c b/drivers/i2c/busses/i2c-designware-master.c index 8d1bc44d2530..d464799e40a3 100644 --- a/drivers/i2c/busses/i2c-designware-master.c +++ b/drivers/i2c/busses/i2c-designware-master.c @@ -426,6 +426,11 @@ i2c_dw_xfer(struct i2c_adapter *adap, struct i2c_msg msgs[], int num) pm_runtime_get_sync(dev->dev); + if (dev_WARN_ONCE(dev->dev, dev->suspended, "Transfer while suspended\n")) { + ret = -ESHUTDOWN; + goto done_nolock; + } + reinit_completion(&dev->cmd_complete); dev->msgs = msgs; dev->msgs_num = num; |