[4/4] usb: gadget: f_acm: add suspend resume callbacks
diff mbox series

Message ID 1587472341-17935-5-git-send-email-fabrice.gasnier@st.com
State Superseded
Headers show
Series
  • usb: gadget: serial: add supend resume support
Related show

Commit Message

Fabrice Gasnier April 21, 2020, 12:32 p.m. UTC
Add suspend resume callbacks to notify u_serial of the bus suspend/resume
state.

Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
---
 drivers/usb/gadget/function/f_acm.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

Patch
diff mbox series

diff --git a/drivers/usb/gadget/function/f_acm.c b/drivers/usb/gadget/function/f_acm.c
index 7c152c2..200596e 100644
--- a/drivers/usb/gadget/function/f_acm.c
+++ b/drivers/usb/gadget/function/f_acm.c
@@ -723,6 +723,20 @@  static void acm_free_func(struct usb_function *f)
 	kfree(acm);
 }
 
+static void acm_resume(struct usb_function *f)
+{
+	struct f_acm *acm = func_to_acm(f);
+
+	gserial_resume(&acm->port);
+}
+
+static void acm_suspend(struct usb_function *f)
+{
+	struct f_acm *acm = func_to_acm(f);
+
+	gserial_suspend(&acm->port);
+}
+
 static struct usb_function *acm_alloc_func(struct usb_function_instance *fi)
 {
 	struct f_serial_opts *opts;
@@ -750,6 +764,8 @@  static struct usb_function *acm_alloc_func(struct usb_function_instance *fi)
 	acm->port_num = opts->port_num;
 	acm->port.func.unbind = acm_unbind;
 	acm->port.func.free_func = acm_free_func;
+	acm->port.func.resume = acm_resume;
+	acm->port.func.suspend = acm_suspend;
 
 	return &acm->port.func;
 }