diff options
| author | Christoph Hellwig <hch@lst.de> | 2015-10-03 15:32:43 +0200 |
|---|---|---|
| committer | Nicholas Bellinger <nab@linux-iscsi.org> | 2015-10-13 22:14:30 -0700 |
| commit | 75ab2256a7d05128f8aa088cdde961d8029bcd55 (patch) | |
| tree | 5b7416ae6c1ff455225fffbba7f5208e5c3e0797 /drivers/usb/gadget/function/f_loopback.c | |
| parent | f9a63da33d3f86acadc14c5cb66e9ad06860892f (diff) | |
| download | linux-75ab2256a7d05128f8aa088cdde961d8029bcd55.tar.bz2 | |
usb-gadget/f_loopback: 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_loopback.c')
| -rw-r--r-- | drivers/usb/gadget/function/f_loopback.c | 31 |
1 files changed, 12 insertions, 19 deletions
diff --git a/drivers/usb/gadget/function/f_loopback.c b/drivers/usb/gadget/function/f_loopback.c index 6e2fe63b9267..b9d8f0530058 100644 --- a/drivers/usb/gadget/function/f_loopback.c +++ b/drivers/usb/gadget/function/f_loopback.c @@ -413,9 +413,6 @@ static inline struct f_lb_opts *to_f_lb_opts(struct config_item *item) func_inst.group); } -CONFIGFS_ATTR_STRUCT(f_lb_opts); -CONFIGFS_ATTR_OPS(f_lb_opts); - static void lb_attr_release(struct config_item *item) { struct f_lb_opts *lb_opts = to_f_lb_opts(item); @@ -425,12 +422,11 @@ static void lb_attr_release(struct config_item *item) static struct configfs_item_operations lb_item_ops = { .release = lb_attr_release, - .show_attribute = f_lb_opts_attr_show, - .store_attribute = f_lb_opts_attr_store, }; -static ssize_t f_lb_opts_qlen_show(struct f_lb_opts *opts, char *page) +static ssize_t f_lb_opts_qlen_show(struct config_item *item, char *page) { + struct f_lb_opts *opts = to_f_lb_opts(item); int result; mutex_lock(&opts->lock); @@ -440,9 +436,10 @@ static ssize_t f_lb_opts_qlen_show(struct f_lb_opts *opts, char *page) return result; } -static ssize_t f_lb_opts_qlen_store(struct f_lb_opts *opts, +static ssize_t f_lb_opts_qlen_store(struct config_item *item, const char *page, size_t len) { + struct f_lb_opts *opts = to_f_lb_opts(item); int ret; u32 num; @@ -463,13 +460,11 @@ end: return ret; } -static struct f_lb_opts_attribute f_lb_opts_qlen = - __CONFIGFS_ATTR(qlen, S_IRUGO | S_IWUSR, - f_lb_opts_qlen_show, - f_lb_opts_qlen_store); +CONFIGFS_ATTR(f_lb_opts_, qlen); -static ssize_t f_lb_opts_bulk_buflen_show(struct f_lb_opts *opts, char *page) +static ssize_t f_lb_opts_bulk_buflen_show(struct config_item *item, char *page) { + struct f_lb_opts *opts = to_f_lb_opts(item); int result; mutex_lock(&opts->lock); @@ -479,9 +474,10 @@ static ssize_t f_lb_opts_bulk_buflen_show(struct f_lb_opts *opts, char *page) return result; } -static ssize_t f_lb_opts_bulk_buflen_store(struct f_lb_opts *opts, +static ssize_t f_lb_opts_bulk_buflen_store(struct config_item *item, const char *page, size_t len) { + struct f_lb_opts *opts = to_f_lb_opts(item); int ret; u32 num; @@ -502,14 +498,11 @@ end: return ret; } -static struct f_lb_opts_attribute f_lb_opts_bulk_buflen = - __CONFIGFS_ATTR(buflen, S_IRUGO | S_IWUSR, - f_lb_opts_bulk_buflen_show, - f_lb_opts_bulk_buflen_store); +CONFIGFS_ATTR(f_lb_opts_, bulk_buflen); static struct configfs_attribute *lb_attrs[] = { - &f_lb_opts_qlen.attr, - &f_lb_opts_bulk_buflen.attr, + &f_lb_opts_attr_qlen, + &f_lb_opts_attr_bulk_buflen, NULL, }; |