diff options
| author | Christoph Hellwig <hch@lst.de> | 2015-10-03 16:32:49 +0300 |
|---|---|---|
| committer | Nicholas Bellinger <nab@linux-iscsi.org> | 2015-10-14 08:15:34 +0300 |
| commit | 495702bcc12fb2c51997088befe37145a34e5e3a (patch) | |
| tree | 5281f3a791dcd02f1089d0213dcea3dd908960a1 /drivers/usb/gadget/function/f_uac2.c | |
| parent | c6f89f1cca1cfd81cc27307595ebddee29cc84d3 (diff) | |
| download | linux-495702bcc12fb2c51997088befe37145a34e5e3a.tar.xz | |
usb-gadget/f_uac2: use per-attribute show and store methods
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 <andrzej.p@samsung.com>
Acked-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Diffstat (limited to 'drivers/usb/gadget/function/f_uac2.c')
| -rw-r--r-- | drivers/usb/gadget/function/f_uac2.c | 28 |
1 files changed, 11 insertions, 17 deletions
diff --git a/drivers/usb/gadget/function/f_uac2.c b/drivers/usb/gadget/function/f_uac2.c index f8de7ea2a0c1..0a5a1e1aac28 100644 --- a/drivers/usb/gadget/function/f_uac2.c +++ b/drivers/usb/gadget/function/f_uac2.c @@ -1445,9 +1445,6 @@ static inline struct f_uac2_opts *to_f_uac2_opts(struct config_item *item) func_inst.group); } -CONFIGFS_ATTR_STRUCT(f_uac2_opts); -CONFIGFS_ATTR_OPS(f_uac2_opts); - static void f_uac2_attr_release(struct config_item *item) { struct f_uac2_opts *opts = to_f_uac2_opts(item); @@ -1457,14 +1454,13 @@ static void f_uac2_attr_release(struct config_item *item) static struct configfs_item_operations f_uac2_item_ops = { .release = f_uac2_attr_release, - .show_attribute = f_uac2_opts_attr_show, - .store_attribute = f_uac2_opts_attr_store, }; #define UAC2_ATTRIBUTE(name) \ -static ssize_t f_uac2_opts_##name##_show(struct f_uac2_opts *opts, \ +static ssize_t f_uac2_opts_##name##_show(struct config_item *item, \ char *page) \ { \ + struct f_uac2_opts *opts = to_f_uac2_opts(item); \ int result; \ \ mutex_lock(&opts->lock); \ @@ -1474,9 +1470,10 @@ static ssize_t f_uac2_opts_##name##_show(struct f_uac2_opts *opts, \ return result; \ } \ \ -static ssize_t f_uac2_opts_##name##_store(struct f_uac2_opts *opts, \ +static ssize_t f_uac2_opts_##name##_store(struct config_item *item, \ const char *page, size_t len) \ { \ + struct f_uac2_opts *opts = to_f_uac2_opts(item); \ int ret; \ u32 num; \ \ @@ -1498,10 +1495,7 @@ end: \ return ret; \ } \ \ -static struct f_uac2_opts_attribute f_uac2_opts_##name = \ - __CONFIGFS_ATTR(name, S_IRUGO | S_IWUSR, \ - f_uac2_opts_##name##_show, \ - f_uac2_opts_##name##_store) +CONFIGFS_ATTR(f_uac2_opts_, name) UAC2_ATTRIBUTE(p_chmask); UAC2_ATTRIBUTE(p_srate); @@ -1511,12 +1505,12 @@ UAC2_ATTRIBUTE(c_srate); UAC2_ATTRIBUTE(c_ssize); static struct configfs_attribute *f_uac2_attrs[] = { - &f_uac2_opts_p_chmask.attr, - &f_uac2_opts_p_srate.attr, - &f_uac2_opts_p_ssize.attr, - &f_uac2_opts_c_chmask.attr, - &f_uac2_opts_c_srate.attr, - &f_uac2_opts_c_ssize.attr, + &f_uac2_opts_attr_p_chmask, + &f_uac2_opts_attr_p_srate, + &f_uac2_opts_attr_p_ssize, + &f_uac2_opts_attr_c_chmask, + &f_uac2_opts_attr_c_srate, + &f_uac2_opts_attr_c_ssize, NULL, }; |