[PATCH] USB: gadget: udc: s3c2410_udc: convert to DEFINE_SHOW_ATTRIBUTE

From: Yangtao Li
Date: Wed Dec 05 2018 - 11:26:46 EST


Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code.

Signed-off-by: Yangtao Li <tiny.windzz@xxxxxxxxx>
---
drivers/usb/gadget/udc/s3c2410_udc.c | 17 ++---------------
1 file changed, 2 insertions(+), 15 deletions(-)

diff --git a/drivers/usb/gadget/udc/s3c2410_udc.c b/drivers/usb/gadget/udc/s3c2410_udc.c
index 8bf5ad7a59ad..af3e63316ace 100644
--- a/drivers/usb/gadget/udc/s3c2410_udc.c
+++ b/drivers/usb/gadget/udc/s3c2410_udc.c
@@ -119,7 +119,7 @@ static void dprintk(int level, const char *fmt, ...)
}
#endif

-static int s3c2410_udc_debugfs_seq_show(struct seq_file *m, void *p)
+static int s3c2410_udc_debugfs_show(struct seq_file *m, void *p)
{
u32 addr_reg, pwr_reg, ep_int_reg, usb_int_reg;
u32 ep_int_en_reg, usb_int_en_reg, ep0_csr;
@@ -168,20 +168,7 @@ static int s3c2410_udc_debugfs_seq_show(struct seq_file *m, void *p)

return 0;
}
-
-static int s3c2410_udc_debugfs_fops_open(struct inode *inode,
- struct file *file)
-{
- return single_open(file, s3c2410_udc_debugfs_seq_show, NULL);
-}
-
-static const struct file_operations s3c2410_udc_debugfs_fops = {
- .open = s3c2410_udc_debugfs_fops_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
- .owner = THIS_MODULE,
-};
+DEFINE_SHOW_ATTRIBUTE(s3c2410_udc_debugfs);

/* io macros */

--
2.17.0