Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@xxxxxxxxxxx>
Signed-off-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>
---
drivers/usb/gadget/f_obex.c | 55 +++++++++++++++++++++++++++++++++++++++++++
1 files changed, 55 insertions(+), 0 deletions(-)
diff --git a/drivers/usb/gadget/f_obex.c b/drivers/usb/gadget/f_obex.c
index 439b666..ea56ab1 100644
--- a/drivers/usb/gadget/f_obex.c
+++ b/drivers/usb/gadget/f_obex.c
@@ -456,6 +456,59 @@ int __init obex_bind_config(struct usb_configuration *c, u8 port_num)
#else
+static inline struct f_serial_opts *to_f_serial_opts(struct config_item *item)
+{
+ return container_of(to_config_group(item), struct f_serial_opts,
+ func_inst.group);
+}
+
+CONFIGFS_ATTR_STRUCT(f_serial_opts);
+static ssize_t f_obex_attr_show(struct config_item *item,
+ struct configfs_attribute *attr,
+ char *page)
+{
+ struct f_serial_opts *opts = to_f_serial_opts(item);
+ struct f_serial_opts_attribute *f_serial_opts_attr =
+ container_of(attr, struct f_serial_opts_attribute, attr);
+ ssize_t ret = 0;
+
+ if (f_serial_opts_attr->show)
+ ret = f_serial_opts_attr->show(opts, page);
+
+ return ret;
+}
+
+static void obex_attr_release(struct config_item *item)
+{
+ struct f_serial_opts *opts = to_f_serial_opts(item);
+
+ usb_put_function_instance(&opts->func_inst);
+}
+
+static struct configfs_item_operations obex_item_ops = {
+ .release = obex_attr_release,
+ .show_attribute = f_obex_attr_show,
+};
+
+static ssize_t f_obex_port_num_show(struct f_serial_opts *opts, char *page)
+{
+ return sprintf(page, "%u\n", opts->port_num);
+}
+
+static struct f_serial_opts_attribute f_obex_port_num =
+ __CONFIGFS_ATTR_RO(port_num, f_obex_port_num_show);
+
+static struct configfs_attribute *acm_attrs[] = {
+ &f_obex_port_num.attr,
+ NULL,
+};
+
+static struct config_item_type obex_func_type = {
+ .ct_item_ops = &obex_item_ops,
+ .ct_attrs = acm_attrs,
+ .ct_owner = THIS_MODULE,
+};
+
static void obex_free_inst(struct usb_function_instance *f)
{
struct f_serial_opts *opts;
@@ -480,6 +533,8 @@ static struct usb_function_instance *obex_alloc_inst(void)
kfree(opts);
return ERR_PTR(ret);
}
+ config_group_init_type_name(&opts->func_inst.group, "",
+ &obex_func_type);
return &opts->func_inst;
}
--
1.7.0.4
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