* [PATCH -next] usb: udc: lpc32xx: Convert to DEFINE_SHOW_ATTRIBUTE
@ 2020-07-16 8:56 Qinglang Miao
0 siblings, 0 replies; only message in thread
From: Qinglang Miao @ 2020-07-16 8:56 UTC (permalink / raw)
To: Greg Kroah-Hartman, Felipe Balbi, Vladimir Zapolskiy, Sylvain Lemieux
Cc: linux-usb, linux-kernel
Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code.
Signed-off-by: Qinglang Miao <miaoqinglang@huawei.com>
---
drivers/usb/gadget/udc/lpc32xx_udc.c | 17 +++--------------
1 file changed, 3 insertions(+), 14 deletions(-)
diff --git a/drivers/usb/gadget/udc/lpc32xx_udc.c b/drivers/usb/gadget/udc/lpc32xx_udc.c
index e79f5f286..3f1c62adc 100644
--- a/drivers/usb/gadget/udc/lpc32xx_udc.c
+++ b/drivers/usb/gadget/udc/lpc32xx_udc.c
@@ -495,7 +495,7 @@ static void proc_ep_show(struct seq_file *s, struct lpc32xx_ep *ep)
}
}
-static int proc_udc_show(struct seq_file *s, void *unused)
+static int udc_show(struct seq_file *s, void *unused)
{
struct lpc32xx_udc *udc = s->private;
struct lpc32xx_ep *ep;
@@ -524,22 +524,11 @@ static int proc_udc_show(struct seq_file *s, void *unused)
return 0;
}
-static int proc_udc_open(struct inode *inode, struct file *file)
-{
- return single_open(file, proc_udc_show, PDE_DATA(inode));
-}
-
-static const struct file_operations proc_ops = {
- .owner = THIS_MODULE,
- .open = proc_udc_open,
- .read_iter = seq_read_iter,
- .llseek = seq_lseek,
- .release = single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(udc);
static void create_debug_file(struct lpc32xx_udc *udc)
{
- udc->pde = debugfs_create_file(debug_filename, 0, NULL, udc, &proc_ops);
+ udc->pde = debugfs_create_file(debug_filename, 0, NULL, udc, &udc_fops);
}
static void remove_debug_file(struct lpc32xx_udc *udc)
--
2.17.1
^ permalink raw reply related [flat|nested] only message in thread
only message in thread, other threads:[~2020-07-16 8:52 UTC | newest]
Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2020-07-16 8:56 [PATCH -next] usb: udc: lpc32xx: Convert to DEFINE_SHOW_ATTRIBUTE Qinglang Miao
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).