diff mbox series

[v2,4/5] usb: gadget: configfs: add gadget_info for config group

Message ID 1630637092-30230-5-git-send-email-quic_linyyuan@quicinc.com (mailing list archive)
State Superseded
Headers show
Series usb: gadget: configfs: add some trace event | expand

Commit Message

Linyu Yuan Sept. 3, 2021, 2:44 a.m. UTC 
add gadget_info pointer in struct config_usb_cfg
to allow common gadget info trace from configfs layer.

Signed-off-by: Linyu Yuan <quic_linyyuan@quicinc.com>
---
v2: no change

 drivers/usb/gadget/configfs.c | 7 +++----
 drivers/usb/gadget/configfs.h | 1 +
 2 files changed, 4 insertions(+), 4 deletions(-)
diff mbox series

Patch

diff --git a/drivers/usb/gadget/configfs.c b/drivers/usb/gadget/configfs.c
index 7d151ce..0fd0a30 100644
--- a/drivers/usb/gadget/configfs.c
+++ b/drivers/usb/gadget/configfs.c
@@ -347,8 +347,7 @@  static int config_usb_cfg_link(
 	struct config_item *usb_func_ci)
 {
 	struct config_usb_cfg *cfg = to_config_usb_cfg(usb_cfg_ci);
-	struct usb_composite_dev *cdev = cfg->c.cdev;
-	struct gadget_info *gi = container_of(cdev, struct gadget_info, cdev);
+	struct gadget_info *gi = cfg->gi;
 
 	struct config_group *group = to_config_group(usb_func_ci);
 	struct usb_function_instance *fi = container_of(group,
@@ -406,8 +405,7 @@  static void config_usb_cfg_unlink(
 	struct config_item *usb_func_ci)
 {
 	struct config_usb_cfg *cfg = to_config_usb_cfg(usb_cfg_ci);
-	struct usb_composite_dev *cdev = cfg->c.cdev;
-	struct gadget_info *gi = container_of(cdev, struct gadget_info, cdev);
+	struct gadget_info *gi = cfg->gi;
 
 	struct config_group *group = to_config_group(usb_func_ci);
 	struct usb_function_instance *fi = container_of(group,
@@ -646,6 +644,7 @@  static struct config_group *config_desc_make(
 	cfg = kzalloc(sizeof(*cfg), GFP_KERNEL);
 	if (!cfg)
 		return ERR_PTR(-ENOMEM);
+	cfg->gi = gi;
 	cfg->c.label = kstrdup(buf, GFP_KERNEL);
 	if (!cfg->c.label) {
 		ret = -ENOMEM;
diff --git a/drivers/usb/gadget/configfs.h b/drivers/usb/gadget/configfs.h
index 103df1b..2fa2c3b 100644
--- a/drivers/usb/gadget/configfs.h
+++ b/drivers/usb/gadget/configfs.h
@@ -36,6 +36,7 @@  struct config_usb_cfg {
 	struct usb_configuration c;
 	struct list_head func_list;
 	struct usb_gadget_strings *gstrings[MAX_USB_STRING_LANGS + 1];
+	struct gadget_info *gi;
 };
 
 static inline struct config_usb_cfg *to_config_usb_cfg(struct config_item *item)