diff options
Diffstat (limited to 'drivers/rpmsg/rpmsg_resmgr.c')
| -rw-r--r-- | drivers/rpmsg/rpmsg_resmgr.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/rpmsg/rpmsg_resmgr.c b/drivers/rpmsg/rpmsg_resmgr.c index d785e89..aab668b 100644 --- a/drivers/rpmsg/rpmsg_resmgr.c +++ b/drivers/rpmsg/rpmsg_resmgr.c @@ -423,6 +423,7 @@ static void rprm_sdma_release(struct rprm_sdma *obj) static int rprm_i2c_request(struct rprm_elem *e, struct rprm_i2c *obj) { struct device *i2c_dev; + struct i2c_adapter *adapter; char i2c_name[NAME_SIZE]; int ret = -EINVAL; @@ -433,6 +434,14 @@ static int rprm_i2c_request(struct rprm_elem *e, struct rprm_i2c *obj) return ret; } + adapter = i2c_get_adapter(obj->id); + if (!adapter) { + pr_err("%s: could not get i2c%d adapter\n", __func__, obj->id); + return -EINVAL; + } + i2c_detect_ext_master(adapter); + i2c_put_adapter(adapter); + ret = pm_runtime_get_sync(i2c_dev); if (!ret) e->handle = i2c_dev; |