Commit ea6bd6b1 authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Nicholas Bellinger

usb-gadget/f_acm: use per-attribute show and store methods

To simplify the configfs interface and remove boilerplate code that also
causes binary bloat.
Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Reviewed-by: default avatarAndrzej Pietrasiewicz <andrzej.p@samsung.com>
Acked-by: default avatarFelipe Balbi <balbi@ti.com>
Signed-off-by: default avatarNicholas Bellinger <nab@linux-iscsi.org>
parent da4e527c
...@@ -776,21 +776,6 @@ static inline struct f_serial_opts *to_f_serial_opts(struct config_item *item) ...@@ -776,21 +776,6 @@ static inline struct f_serial_opts *to_f_serial_opts(struct config_item *item)
func_inst.group); func_inst.group);
} }
CONFIGFS_ATTR_STRUCT(f_serial_opts);
static ssize_t f_acm_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 acm_attr_release(struct config_item *item) static void acm_attr_release(struct config_item *item)
{ {
struct f_serial_opts *opts = to_f_serial_opts(item); struct f_serial_opts *opts = to_f_serial_opts(item);
...@@ -800,20 +785,17 @@ static void acm_attr_release(struct config_item *item) ...@@ -800,20 +785,17 @@ static void acm_attr_release(struct config_item *item)
static struct configfs_item_operations acm_item_ops = { static struct configfs_item_operations acm_item_ops = {
.release = acm_attr_release, .release = acm_attr_release,
.show_attribute = f_acm_attr_show,
}; };
static ssize_t f_acm_port_num_show(struct f_serial_opts *opts, char *page) static ssize_t f_acm_port_num_show(struct config_item *item, char *page)
{ {
return sprintf(page, "%u\n", opts->port_num); return sprintf(page, "%u\n", to_f_serial_opts(item)->port_num);
} }
static struct f_serial_opts_attribute f_acm_port_num = CONFIGFS_ATTR_RO(f_acm_port_, num);
__CONFIGFS_ATTR_RO(port_num, f_acm_port_num_show);
static struct configfs_attribute *acm_attrs[] = { static struct configfs_attribute *acm_attrs[] = {
&f_acm_port_num.attr, &f_acm_port_attr_num,
NULL, NULL,
}; };
......
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