summaryrefslogtreecommitdiffstats
path: root/drivers/usb
diff options
context:
space:
mode:
authorChristoph Hellwig <hch@lst.de>2015-10-03 15:32:43 +0200
committerNicholas Bellinger <nab@linux-iscsi.org>2015-10-14 07:14:30 +0200
commit75ab2256a7d05128f8aa088cdde961d8029bcd55 (patch)
tree5b7416ae6c1ff455225fffbba7f5208e5c3e0797 /drivers/usb
parentusb-gadget/ether: use per-attribute show and store methods (diff)
downloadlinux-75ab2256a7d05128f8aa088cdde961d8029bcd55.tar.xz
linux-75ab2256a7d05128f8aa088cdde961d8029bcd55.zip
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')
-rw-r--r--drivers/usb/gadget/function/f_loopback.c31
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,
};