From: Fabrice Gasnier <fabrice.gasnier@st.com>
To: <hminas@synopsys.com>, <balbi@kernel.org>
Cc: <gregkh@linuxfoundation.org>, <linux-usb@vger.kernel.org>,
<linux-kernel@vger.kernel.org>,
<linux-stm32@st-md-mailman.stormreply.com>,
<amelie.delaunay@st.com>
Subject: [PATCH 3/4] usb: gadget: f_serial: add suspend resume callbacks
Date: Tue, 21 Apr 2020 14:32:20 +0200 [thread overview]
Message-ID: <1587472341-17935-4-git-send-email-fabrice.gasnier@st.com> (raw)
In-Reply-To: <1587472341-17935-1-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_serial.c | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
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;
}
--
2.7.4
next prev parent reply other threads:[~2020-04-21 12:33 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-21 12:32 [PATCH 0/4] usb: gadget: serial: add supend resume support Fabrice Gasnier
2020-04-21 12:32 ` [PATCH 1/4] usb: dwc2: gadget: move gadget resume after the core is in L0 state Fabrice Gasnier
2020-04-22 14:48 ` Minas Harutyunyan
2020-04-22 15:57 ` Fabrice Gasnier
2020-04-22 16:16 ` Minas Harutyunyan
2020-04-23 9:27 ` Fabrice Gasnier
2020-04-23 10:35 ` Minas Harutyunyan
2020-04-21 12:32 ` [PATCH 2/4] usb: gadget: u_serial: add suspend resume callbacks Fabrice Gasnier
2020-04-21 12:32 ` Fabrice Gasnier [this message]
2020-04-21 12:32 ` [PATCH 4/4] usb: gadget: f_acm: " Fabrice Gasnier
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