diff options
| author | Michał Mirosław <mirq-linux@rere.qmqm.pl> | 2019-08-10 10:42:51 +0200 |
|---|---|---|
| committer | Felipe Balbi <felipe.balbi@linux.intel.com> | 2019-10-22 10:27:12 +0300 |
| commit | d7cb8fb7aa7dc47d1b751c17c15672068667053c (patch) | |
| tree | b094bc0d386ff9b22dc950cb8bfea573d02ef611 /drivers/usb/gadget/function/f_serial.c | |
| parent | b417343c6a0f50487d59aef975da0a6c7b69d348 (diff) | |
usb: gadget: u_serial: allow more console gadget ports
Allow configuring more than one console using USB serial or ACM gadget.
By default, only first (ttyGS0) is a console, but this may be changed
using function's new "console" attribute.
Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Diffstat (limited to 'drivers/usb/gadget/function/f_serial.c')
| -rw-r--r-- | drivers/usb/gadget/function/f_serial.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/usb/gadget/function/f_serial.c b/drivers/usb/gadget/function/f_serial.c index c860f30a0ea2..1406255d0865 100644 --- a/drivers/usb/gadget/function/f_serial.c +++ b/drivers/usb/gadget/function/f_serial.c @@ -266,6 +266,24 @@ static struct configfs_item_operations serial_item_ops = { .release = serial_attr_release, }; +#ifdef CONFIG_U_SERIAL_CONSOLE + +static ssize_t f_serial_console_store(struct config_item *item, + const char *page, size_t count) +{ + return gserial_set_console(to_f_serial_opts(item)->port_num, + page, count); +} + +static ssize_t f_serial_console_show(struct config_item *item, char *page) +{ + return gserial_get_console(to_f_serial_opts(item)->port_num, page); +} + +CONFIGFS_ATTR(f_serial_, console); + +#endif /* CONFIG_U_SERIAL_CONSOLE */ + static ssize_t f_serial_port_num_show(struct config_item *item, char *page) { return sprintf(page, "%u\n", to_f_serial_opts(item)->port_num); @@ -274,6 +292,9 @@ static ssize_t f_serial_port_num_show(struct config_item *item, char *page) CONFIGFS_ATTR_RO(f_serial_, port_num); static struct configfs_attribute *acm_attrs[] = { +#ifdef CONFIG_U_SERIAL_CONSOLE + &f_serial_attr_console, +#endif &f_serial_attr_port_num, NULL, }; |