[PATCH 1/4] USB: serial: drop unused suspending flag

From: Johan Hovold
Date: Tue Mar 30 2021 - 10:38:47 EST


The suspending flag was added back in 2009 but no users ever followed.
Remove it.

Signed-off-by: Johan Hovold <johan@xxxxxxxxxx>
---
drivers/usb/serial/usb-serial.c | 8 +-------
include/linux/usb/serial.h | 1 -
2 files changed, 1 insertion(+), 8 deletions(-)

diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c
index 27e3bb58c872..2a38810a3979 100644
--- a/drivers/usb/serial/usb-serial.c
+++ b/drivers/usb/serial/usb-serial.c
@@ -1114,8 +1114,6 @@ int usb_serial_suspend(struct usb_interface *intf, pm_message_t message)
struct usb_serial *serial = usb_get_intfdata(intf);
int i, r = 0;

- serial->suspending = 1;
-
/*
* serial->type->suspend() MUST return 0 in system sleep context,
* otherwise, the resume callback has to recover device from
@@ -1123,10 +1121,8 @@ int usb_serial_suspend(struct usb_interface *intf, pm_message_t message)
*/
if (serial->type->suspend) {
r = serial->type->suspend(serial, message);
- if (r < 0) {
- serial->suspending = 0;
+ if (r < 0)
goto err_out;
- }
}

for (i = 0; i < serial->num_ports; ++i)
@@ -1151,7 +1147,6 @@ int usb_serial_resume(struct usb_interface *intf)

usb_serial_unpoison_port_urbs(serial);

- serial->suspending = 0;
if (serial->type->resume)
rv = serial->type->resume(serial);
else
@@ -1168,7 +1163,6 @@ static int usb_serial_reset_resume(struct usb_interface *intf)

usb_serial_unpoison_port_urbs(serial);

- serial->suspending = 0;
if (serial->type->reset_resume) {
rv = serial->type->reset_resume(serial);
} else {
diff --git a/include/linux/usb/serial.h b/include/linux/usb/serial.h
index 952272002e48..7efba6caaadc 100644
--- a/include/linux/usb/serial.h
+++ b/include/linux/usb/serial.h
@@ -146,7 +146,6 @@ struct usb_serial {
struct usb_serial_driver *type;
struct usb_interface *interface;
unsigned char disconnected:1;
- unsigned char suspending:1;
unsigned char attached:1;
unsigned char minors_reserved:1;
unsigned char num_ports;
--
2.26.3