diff mbox series

[v2,3/4] usb: gadget: f_serial: add suspend resume callbacks

Message ID 1587642956-8157-4-git-send-email-fabrice.gasnier@st.com (mailing list archive)
State Mainlined
Commit e702a7c346344733824e27c943cbef59b74aef6f
Headers show
Series usb: gadget: serial: add supend resume support | expand

Commit Message

Fabrice Gasnier April 23, 2020, 11:55 a.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_serial.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
diff mbox series

Patch

diff --git a/drivers/usb/gadget/function/f_serial.c b/drivers/usb/gadget/function/f_serial.c
index 1406255..e627138 100644
--- a/drivers/usb/gadget/function/f_serial.c
+++ b/drivers/usb/gadget/function/f_serial.c
@@ -348,6 +348,20 @@  static void gser_unbind(struct usb_configuration *c, struct usb_function *f)
 	usb_free_all_descriptors(f);
 }
 
+static void gser_resume(struct usb_function *f)
+{
+	struct f_gser *gser = func_to_gser(f);
+
+	gserial_resume(&gser->port);
+}
+
+static void gser_suspend(struct usb_function *f)
+{
+	struct f_gser *gser = func_to_gser(f);
+
+	gserial_suspend(&gser->port);
+}
+
 static struct usb_function *gser_alloc(struct usb_function_instance *fi)
 {
 	struct f_gser	*gser;
@@ -369,6 +383,8 @@  static struct usb_function *gser_alloc(struct usb_function_instance *fi)
 	gser->port.func.set_alt = gser_set_alt;
 	gser->port.func.disable = gser_disable;
 	gser->port.func.free_func = gser_free;
+	gser->port.func.resume = gser_resume;
+	gser->port.func.suspend = gser_suspend;
 
 	return &gser->port.func;
 }