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authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2018-02-14 18:08:21 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-03-09 09:31:25 -0800
commit40d2589aa45c663e46813ec1aed24d8f37501186 (patch)
treec558bc72ef5a5c45cdb13aef6f5b307fe034f964 /drivers/usb/gadget
parentb5c293982cb948104827566652023e3c9d971a0b (diff)
downloadlinux-40d2589aa45c663e46813ec1aed24d8f37501186.tar.bz2
USB: gadget: gr: Re-use DEFINE_SHOW_ATTRIBUTE() macro
...instead of open coding file operations followed by custom ->open() callbacks per each attribute. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/gadget')
-rw-r--r--drivers/usb/gadget/udc/gr_udc.c17
1 files changed, 2 insertions, 15 deletions
diff --git a/drivers/usb/gadget/udc/gr_udc.c b/drivers/usb/gadget/udc/gr_udc.c
index b3fb1bbdb854..ca83c15d8ea4 100644
--- a/drivers/usb/gadget/udc/gr_udc.c
+++ b/drivers/usb/gadget/udc/gr_udc.c
@@ -179,8 +179,7 @@ static void gr_seq_ep_show(struct seq_file *seq, struct gr_ep *ep)
seq_puts(seq, "\n");
}
-
-static int gr_seq_show(struct seq_file *seq, void *v)
+static int gr_dfs_show(struct seq_file *seq, void *v)
{
struct gr_udc *dev = seq->private;
u32 control = gr_read32(&dev->regs->control);
@@ -203,19 +202,7 @@ static int gr_seq_show(struct seq_file *seq, void *v)
return 0;
}
-
-static int gr_dfs_open(struct inode *inode, struct file *file)
-{
- return single_open(file, gr_seq_show, inode->i_private);
-}
-
-static const struct file_operations gr_dfs_fops = {
- .owner = THIS_MODULE,
- .open = gr_dfs_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(gr_dfs);
static void gr_dfs_create(struct gr_udc *dev)
{