diff options
| author | Christoph Hellwig <hch@lst.de> | 2015-10-03 15:32:48 +0200 |
|---|---|---|
| committer | Nicholas Bellinger <nab@linux-iscsi.org> | 2015-10-13 22:15:23 -0700 |
| commit | c6f89f1cca1cfd81cc27307595ebddee29cc84d3 (patch) | |
| tree | 02d52bbb13b1ed00811a508a2fef360611e1bd2f /drivers | |
| parent | 4a90cb203836e4989cc50121b13ff0fb7f671fcb (diff) | |
usb-gadget/f_uac1: 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')
| -rw-r--r-- | drivers/usb/gadget/function/f_uac1.c | 39 |
1 files changed, 16 insertions, 23 deletions
diff --git a/drivers/usb/gadget/function/f_uac1.c b/drivers/usb/gadget/function/f_uac1.c index 7856b3394494..ad0103254e6d 100644 --- a/drivers/usb/gadget/function/f_uac1.c +++ b/drivers/usb/gadget/function/f_uac1.c @@ -773,9 +773,6 @@ static inline struct f_uac1_opts *to_f_uac1_opts(struct config_item *item) func_inst.group); } -CONFIGFS_ATTR_STRUCT(f_uac1_opts); -CONFIGFS_ATTR_OPS(f_uac1_opts); - static void f_uac1_attr_release(struct config_item *item) { struct f_uac1_opts *opts = to_f_uac1_opts(item); @@ -785,14 +782,13 @@ static void f_uac1_attr_release(struct config_item *item) static struct configfs_item_operations f_uac1_item_ops = { .release = f_uac1_attr_release, - .show_attribute = f_uac1_opts_attr_show, - .store_attribute = f_uac1_opts_attr_store, }; #define UAC1_INT_ATTRIBUTE(name) \ -static ssize_t f_uac1_opts_##name##_show(struct f_uac1_opts *opts, \ +static ssize_t f_uac1_opts_##name##_show(struct config_item *item, \ char *page) \ { \ + struct f_uac1_opts *opts = to_f_uac1_opts(item); \ int result; \ \ mutex_lock(&opts->lock); \ @@ -802,9 +798,10 @@ static ssize_t f_uac1_opts_##name##_show(struct f_uac1_opts *opts, \ return result; \ } \ \ -static ssize_t f_uac1_opts_##name##_store(struct f_uac1_opts *opts, \ +static ssize_t f_uac1_opts_##name##_store(struct config_item *item, \ const char *page, size_t len) \ { \ + struct f_uac1_opts *opts = to_f_uac1_opts(item); \ int ret; \ u32 num; \ \ @@ -826,19 +823,17 @@ end: \ return ret; \ } \ \ -static struct f_uac1_opts_attribute f_uac1_opts_##name = \ - __CONFIGFS_ATTR(name, S_IRUGO | S_IWUSR, \ - f_uac1_opts_##name##_show, \ - f_uac1_opts_##name##_store) +CONFIGFS_ATTR(f_uac1_opts_, name) UAC1_INT_ATTRIBUTE(req_buf_size); UAC1_INT_ATTRIBUTE(req_count); UAC1_INT_ATTRIBUTE(audio_buf_size); #define UAC1_STR_ATTRIBUTE(name) \ -static ssize_t f_uac1_opts_##name##_show(struct f_uac1_opts *opts, \ +static ssize_t f_uac1_opts_##name##_show(struct config_item *item, \ char *page) \ { \ + struct f_uac1_opts *opts = to_f_uac1_opts(item); \ int result; \ \ mutex_lock(&opts->lock); \ @@ -848,9 +843,10 @@ static ssize_t f_uac1_opts_##name##_show(struct f_uac1_opts *opts, \ return result; \ } \ \ -static ssize_t f_uac1_opts_##name##_store(struct f_uac1_opts *opts, \ +static ssize_t f_uac1_opts_##name##_store(struct config_item *item, \ const char *page, size_t len) \ { \ + struct f_uac1_opts *opts = to_f_uac1_opts(item); \ int ret = -EBUSY; \ char *tmp; \ \ @@ -874,22 +870,19 @@ end: \ return ret; \ } \ \ -static struct f_uac1_opts_attribute f_uac1_opts_##name = \ - __CONFIGFS_ATTR(name, S_IRUGO | S_IWUSR, \ - f_uac1_opts_##name##_show, \ - f_uac1_opts_##name##_store) +CONFIGFS_ATTR(f_uac1_opts_, name) UAC1_STR_ATTRIBUTE(fn_play); UAC1_STR_ATTRIBUTE(fn_cap); UAC1_STR_ATTRIBUTE(fn_cntl); static struct configfs_attribute *f_uac1_attrs[] = { - &f_uac1_opts_req_buf_size.attr, - &f_uac1_opts_req_count.attr, - &f_uac1_opts_audio_buf_size.attr, - &f_uac1_opts_fn_play.attr, - &f_uac1_opts_fn_cap.attr, - &f_uac1_opts_fn_cntl.attr, + &f_uac1_opts_attr_req_buf_size, + &f_uac1_opts_attr_req_count, + &f_uac1_opts_attr_audio_buf_size, + &f_uac1_opts_attr_fn_play, + &f_uac1_opts_attr_fn_cap, + &f_uac1_opts_attr_fn_cntl, NULL, }; |