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authorFabrice Gasnier <fabrice.gasnier@st.com>2020-04-23 13:55:56 +0200
committerFelipe Balbi <balbi@kernel.org>2020-05-25 11:09:39 +0300
commit3affccdd5ed118042553927654a8c8d897cc1a98 (patch)
treec4b3c2b48810241db6b5d3800ac396876c21fc1b /drivers
parente702a7c346344733824e27c943cbef59b74aef6f (diff)
usb: gadget: f_acm: add suspend resume callbacks
Add suspend resume callbacks to notify u_serial of the bus suspend/resume state. Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com> Signed-off-by: Felipe Balbi <balbi@kernel.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/usb/gadget/function/f_acm.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/usb/gadget/function/f_acm.c b/drivers/usb/gadget/function/f_acm.c
index 7c152c28b26c..200596ea9557 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;
}