From 208e61ac7c0a2c3e4b23e74a66ddc2ea471d251e Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Sat, 3 Oct 2015 15:32:46 +0200 Subject: [PATCH] usb-gadget/f_sourcesink: 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_sourcesink.c | 83 ++++++++++------------ 1 file changed, 36 insertions(+), 47 deletions(-) diff --git a/drivers/usb/gadget/function/f_sourcesink.c b/drivers/usb/gadget/function/f_sourcesink.c index cbfaf86fe456..878a5815450e 100644 --- a/drivers/usb/gadget/function/f_sourcesink.c +++ b/drivers/usb/gadget/function/f_sourcesink.c @@ -898,9 +898,6 @@ static inline struct f_ss_opts *to_f_ss_opts(struct config_item *item) func_inst.group); } -CONFIGFS_ATTR_STRUCT(f_ss_opts); -CONFIGFS_ATTR_OPS(f_ss_opts); - static void ss_attr_release(struct config_item *item) { struct f_ss_opts *ss_opts = to_f_ss_opts(item); @@ -910,12 +907,11 @@ static void ss_attr_release(struct config_item *item) static struct configfs_item_operations ss_item_ops = { .release = ss_attr_release, - .show_attribute = f_ss_opts_attr_show, - .store_attribute = f_ss_opts_attr_store, }; -static ssize_t f_ss_opts_pattern_show(struct f_ss_opts *opts, char *page) +static ssize_t f_ss_opts_pattern_show(struct config_item *item, char *page) { + struct f_ss_opts *opts = to_f_ss_opts(item); int result; mutex_lock(&opts->lock); @@ -925,9 +921,10 @@ static ssize_t f_ss_opts_pattern_show(struct f_ss_opts *opts, char *page) return result; } -static ssize_t f_ss_opts_pattern_store(struct f_ss_opts *opts, +static ssize_t f_ss_opts_pattern_store(struct config_item *item, const char *page, size_t len) { + struct f_ss_opts *opts = to_f_ss_opts(item); int ret; u8 num; @@ -953,13 +950,11 @@ end: return ret; } -static struct f_ss_opts_attribute f_ss_opts_pattern = - __CONFIGFS_ATTR(pattern, S_IRUGO | S_IWUSR, - f_ss_opts_pattern_show, - f_ss_opts_pattern_store); +CONFIGFS_ATTR(f_ss_opts_, pattern); -static ssize_t f_ss_opts_isoc_interval_show(struct f_ss_opts *opts, char *page) +static ssize_t f_ss_opts_isoc_interval_show(struct config_item *item, char *page) { + struct f_ss_opts *opts = to_f_ss_opts(item); int result; mutex_lock(&opts->lock); @@ -969,9 +964,10 @@ static ssize_t f_ss_opts_isoc_interval_show(struct f_ss_opts *opts, char *page) return result; } -static ssize_t f_ss_opts_isoc_interval_store(struct f_ss_opts *opts, +static ssize_t f_ss_opts_isoc_interval_store(struct config_item *item, const char *page, size_t len) { + struct f_ss_opts *opts = to_f_ss_opts(item); int ret; u8 num; @@ -997,13 +993,11 @@ end: return ret; } -static struct f_ss_opts_attribute f_ss_opts_isoc_interval = - __CONFIGFS_ATTR(isoc_interval, S_IRUGO | S_IWUSR, - f_ss_opts_isoc_interval_show, - f_ss_opts_isoc_interval_store); +CONFIGFS_ATTR(f_ss_opts_, isoc_interval); -static ssize_t f_ss_opts_isoc_maxpacket_show(struct f_ss_opts *opts, char *page) +static ssize_t f_ss_opts_isoc_maxpacket_show(struct config_item *item, char *page) { + struct f_ss_opts *opts = to_f_ss_opts(item); int result; mutex_lock(&opts->lock); @@ -1013,9 +1007,10 @@ static ssize_t f_ss_opts_isoc_maxpacket_show(struct f_ss_opts *opts, char *page) return result; } -static ssize_t f_ss_opts_isoc_maxpacket_store(struct f_ss_opts *opts, +static ssize_t f_ss_opts_isoc_maxpacket_store(struct config_item *item, const char *page, size_t len) { + struct f_ss_opts *opts = to_f_ss_opts(item); int ret; u16 num; @@ -1041,13 +1036,11 @@ end: return ret; } -static struct f_ss_opts_attribute f_ss_opts_isoc_maxpacket = - __CONFIGFS_ATTR(isoc_maxpacket, S_IRUGO | S_IWUSR, - f_ss_opts_isoc_maxpacket_show, - f_ss_opts_isoc_maxpacket_store); +CONFIGFS_ATTR(f_ss_opts_, isoc_maxpacket); -static ssize_t f_ss_opts_isoc_mult_show(struct f_ss_opts *opts, char *page) +static ssize_t f_ss_opts_isoc_mult_show(struct config_item *item, char *page) { + struct f_ss_opts *opts = to_f_ss_opts(item); int result; mutex_lock(&opts->lock); @@ -1057,9 +1050,10 @@ static ssize_t f_ss_opts_isoc_mult_show(struct f_ss_opts *opts, char *page) return result; } -static ssize_t f_ss_opts_isoc_mult_store(struct f_ss_opts *opts, +static ssize_t f_ss_opts_isoc_mult_store(struct config_item *item, const char *page, size_t len) { + struct f_ss_opts *opts = to_f_ss_opts(item); int ret; u8 num; @@ -1085,13 +1079,11 @@ end: return ret; } -static struct f_ss_opts_attribute f_ss_opts_isoc_mult = - __CONFIGFS_ATTR(isoc_mult, S_IRUGO | S_IWUSR, - f_ss_opts_isoc_mult_show, - f_ss_opts_isoc_mult_store); +CONFIGFS_ATTR(f_ss_opts_, isoc_mult); -static ssize_t f_ss_opts_isoc_maxburst_show(struct f_ss_opts *opts, char *page) +static ssize_t f_ss_opts_isoc_maxburst_show(struct config_item *item, char *page) { + struct f_ss_opts *opts = to_f_ss_opts(item); int result; mutex_lock(&opts->lock); @@ -1101,9 +1093,10 @@ static ssize_t f_ss_opts_isoc_maxburst_show(struct f_ss_opts *opts, char *page) return result; } -static ssize_t f_ss_opts_isoc_maxburst_store(struct f_ss_opts *opts, +static ssize_t f_ss_opts_isoc_maxburst_store(struct config_item *item, const char *page, size_t len) { + struct f_ss_opts *opts = to_f_ss_opts(item); int ret; u8 num; @@ -1129,13 +1122,11 @@ end: return ret; } -static struct f_ss_opts_attribute f_ss_opts_isoc_maxburst = - __CONFIGFS_ATTR(isoc_maxburst, S_IRUGO | S_IWUSR, - f_ss_opts_isoc_maxburst_show, - f_ss_opts_isoc_maxburst_store); +CONFIGFS_ATTR(f_ss_opts_, isoc_maxburst); -static ssize_t f_ss_opts_bulk_buflen_show(struct f_ss_opts *opts, char *page) +static ssize_t f_ss_opts_bulk_buflen_show(struct config_item *item, char *page) { + struct f_ss_opts *opts = to_f_ss_opts(item); int result; mutex_lock(&opts->lock); @@ -1145,9 +1136,10 @@ static ssize_t f_ss_opts_bulk_buflen_show(struct f_ss_opts *opts, char *page) return result; } -static ssize_t f_ss_opts_bulk_buflen_store(struct f_ss_opts *opts, +static ssize_t f_ss_opts_bulk_buflen_store(struct config_item *item, const char *page, size_t len) { + struct f_ss_opts *opts = to_f_ss_opts(item); int ret; u32 num; @@ -1168,18 +1160,15 @@ end: return ret; } -static struct f_ss_opts_attribute f_ss_opts_bulk_buflen = - __CONFIGFS_ATTR(buflen, S_IRUGO | S_IWUSR, - f_ss_opts_bulk_buflen_show, - f_ss_opts_bulk_buflen_store); +CONFIGFS_ATTR(f_ss_opts_, bulk_buflen); static struct configfs_attribute *ss_attrs[] = { - &f_ss_opts_pattern.attr, - &f_ss_opts_isoc_interval.attr, - &f_ss_opts_isoc_maxpacket.attr, - &f_ss_opts_isoc_mult.attr, - &f_ss_opts_isoc_maxburst.attr, - &f_ss_opts_bulk_buflen.attr, + &f_ss_opts_attr_pattern, + &f_ss_opts_attr_isoc_interval, + &f_ss_opts_attr_isoc_maxpacket, + &f_ss_opts_attr_isoc_mult, + &f_ss_opts_attr_isoc_maxburst, + &f_ss_opts_attr_bulk_buflen, NULL, }; -- 2.20.1