From: Fabrice Gasnier <fabrice.gasnier@st.com>
To: <hminas@synopsys.com>, <gregkh@linuxfoundation.org>, <balbi@kernel.org>
Cc: <linux-usb@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
<linux-stm32@st-md-mailman.stormreply.com>,
<amelie.delaunay@st.com>, <fabrice.gasnier@st.com>
Subject: [PATCH v2 4/4] usb: gadget: f_acm: add suspend resume callbacks
Date: Thu, 23 Apr 2020 13:55:56 +0200 [thread overview]
Message-ID: <1587642956-8157-5-git-send-email-fabrice.gasnier@st.com> (raw)
In-Reply-To: <1587642956-8157-1-git-send-email-fabrice.gasnier@st.com>
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(+)
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;
}
--
2.7.4
prev parent reply other threads:[~2020-04-23 11:56 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-23 11:55 [PATCH v2 0/4] usb: gadget: serial: add supend resume support Fabrice Gasnier
2020-04-23 11:55 ` [PATCH v2 1/4] usb: dwc2: gadget: move gadget resume after the core is in L0 state Fabrice Gasnier
2020-04-23 13:06 ` Minas Harutyunyan
2020-04-23 11:55 ` [PATCH v2 2/4] usb: gadget: u_serial: add suspend resume callbacks Fabrice Gasnier
2020-04-23 11:55 ` [PATCH v2 3/4] usb: gadget: f_serial: " Fabrice Gasnier
2020-04-23 11:55 ` Fabrice Gasnier [this message]
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