diff options
| author | Christoph Hellwig <hch@lst.de> | 2015-10-03 13:32:45 (GMT) |
|---|---|---|
| committer | Nicholas Bellinger <nab@linux-iscsi.org> | 2015-10-14 05:14:51 (GMT) |
| commit | aa48a415270f7cf16ec0ef825d19b4f8bd1a875e (patch) | |
| tree | af8f5f9cbe48a02b7cf2917b861f7875778c9090 /drivers/usb | |
| parent | 3755a273db8f523f8be6c18df9e1506faa93c664 (diff) | |
| download | linux-aa48a415270f7cf16ec0ef825d19b4f8bd1a875e.tar.xz | |
usb-gadget/f_printer: 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')
| -rw-r--r-- | drivers/usb/gadget/function/f_printer.c | 30 |
1 files changed, 12 insertions, 18 deletions
diff --git a/drivers/usb/gadget/function/f_printer.c b/drivers/usb/gadget/function/f_printer.c index 8e2b6be..3a37846 100644 --- a/drivers/usb/gadget/function/f_printer.c +++ b/drivers/usb/gadget/function/f_printer.c @@ -1148,9 +1148,6 @@ static inline struct f_printer_opts func_inst.group); } -CONFIGFS_ATTR_STRUCT(f_printer_opts); -CONFIGFS_ATTR_OPS(f_printer_opts); - static void printer_attr_release(struct config_item *item) { struct f_printer_opts *opts = to_f_printer_opts(item); @@ -1160,13 +1157,12 @@ static void printer_attr_release(struct config_item *item) static struct configfs_item_operations printer_item_ops = { .release = printer_attr_release, - .show_attribute = f_printer_opts_attr_show, - .store_attribute = f_printer_opts_attr_store, }; -static ssize_t f_printer_opts_pnp_string_show(struct f_printer_opts *opts, +static ssize_t f_printer_opts_pnp_string_show(struct config_item *item, char *page) { + struct f_printer_opts *opts = to_f_printer_opts(item); int result; mutex_lock(&opts->lock); @@ -1176,9 +1172,10 @@ static ssize_t f_printer_opts_pnp_string_show(struct f_printer_opts *opts, return result; } -static ssize_t f_printer_opts_pnp_string_store(struct f_printer_opts *opts, +static ssize_t f_printer_opts_pnp_string_store(struct config_item *item, const char *page, size_t len) { + struct f_printer_opts *opts = to_f_printer_opts(item); int result, l; mutex_lock(&opts->lock); @@ -1191,14 +1188,12 @@ static ssize_t f_printer_opts_pnp_string_store(struct f_printer_opts *opts, return result; } -static struct f_printer_opts_attribute f_printer_opts_pnp_string = - __CONFIGFS_ATTR(pnp_string, S_IRUGO | S_IWUSR, - f_printer_opts_pnp_string_show, - f_printer_opts_pnp_string_store); +CONFIGFS_ATTR(f_printer_opts_, pnp_string); -static ssize_t f_printer_opts_q_len_show(struct f_printer_opts *opts, +static ssize_t f_printer_opts_q_len_show(struct config_item *item, char *page) { + struct f_printer_opts *opts = to_f_printer_opts(item); int result; mutex_lock(&opts->lock); @@ -1208,9 +1203,10 @@ static ssize_t f_printer_opts_q_len_show(struct f_printer_opts *opts, return result; } -static ssize_t f_printer_opts_q_len_store(struct f_printer_opts *opts, +static ssize_t f_printer_opts_q_len_store(struct config_item *item, const char *page, size_t len) { + struct f_printer_opts *opts = to_f_printer_opts(item); int ret; u16 num; @@ -1231,13 +1227,11 @@ end: return ret; } -static struct f_printer_opts_attribute f_printer_opts_q_len = - __CONFIGFS_ATTR(q_len, S_IRUGO | S_IWUSR, f_printer_opts_q_len_show, - f_printer_opts_q_len_store); +CONFIGFS_ATTR(f_printer_opts_, q_len); static struct configfs_attribute *printer_attrs[] = { - &f_printer_opts_pnp_string.attr, - &f_printer_opts_q_len.attr, + &f_printer_opts_attr_pnp_string, + &f_printer_opts_attr_q_len, NULL, }; |