[PATCH 15/23] usb-gadget/f_phonet: use per-attribute show and store methods
From: Christoph Hellwig <hch@lst.de>
Date: 2015-10-03 13:37:42
Also in:
ocfs2-devel
Subsystem:
the rest, usb subsystem · Maintainers:
Linus Torvalds, Greg Kroah-Hartman
To simplify the configfs interface and remove boilerplate code that also causes binary bloat. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Andrzej Pietrasiewicz <redacted> --- drivers/usb/gadget/function/f_phonet.c | 25 ++++--------------------- 1 file changed, 4 insertions(+), 21 deletions(-)
diff --git a/drivers/usb/gadget/function/f_phonet.c b/drivers/usb/gadget/function/f_phonet.c
index c0c3ef2..c029ef6 100644
--- a/drivers/usb/gadget/function/f_phonet.c
+++ b/drivers/usb/gadget/function/f_phonet.c@@ -589,21 +589,6 @@ static inline struct f_phonet_opts *to_f_phonet_opts(struct config_item *item) func_inst.group); } -CONFIGFS_ATTR_STRUCT(f_phonet_opts); -static ssize_t f_phonet_attr_show(struct config_item *item, - struct configfs_attribute *attr, - char *page) -{ - struct f_phonet_opts *opts = to_f_phonet_opts(item); - struct f_phonet_opts_attribute *f_phonet_opts_attr = - container_of(attr, struct f_phonet_opts_attribute, attr); - ssize_t ret = 0; - - if (f_phonet_opts_attr->show) - ret = f_phonet_opts_attr->show(opts, page); - return ret; -} - static void phonet_attr_release(struct config_item *item) { struct f_phonet_opts *opts = to_f_phonet_opts(item);
@@ -613,19 +598,17 @@ static void phonet_attr_release(struct config_item *item) static struct configfs_item_operations phonet_item_ops = { .release = phonet_attr_release, - .show_attribute = f_phonet_attr_show, }; -static ssize_t f_phonet_ifname_show(struct f_phonet_opts *opts, char *page) +static ssize_t f_phonet_ifname_show(struct config_item *item, char *page) { - return gether_get_ifname(opts->net, page, PAGE_SIZE); + return gether_get_ifname(to_f_phonet_opts(item)->net, page, PAGE_SIZE); } -static struct f_phonet_opts_attribute f_phonet_ifname = - __CONFIGFS_ATTR_RO(ifname, f_phonet_ifname_show); +CONFIGFS_ATTR_RO(f_phonet_, ifname); static struct configfs_attribute *phonet_attrs[] = { - &f_phonet_ifname.attr, + &f_phonet_attr_ifname, NULL, };
--
1.9.1