From aa48a415270f7cf16ec0ef825d19b4f8bd1a875e Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Sat, 3 Oct 2015 15:32:45 +0200 Subject: [PATCH] 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 Reviewed-by: Andrzej Pietrasiewicz Acked-by: Felipe Balbi Signed-off-by: Nicholas Bellinger --- drivers/usb/gadget/function/f_printer.c | 30 ++++++++++--------------- 1 file changed, 12 insertions(+), 18 deletions(-) diff --git a/drivers/usb/gadget/function/f_printer.c b/drivers/usb/gadget/function/f_printer.c index 8e2b6bea07bc..3a378460bf37 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, }; -- 2.20.1