[PATCH v3 09/13] usb: gadget: atmel: create debugfs directory under usb root

From: Chunfeng Yun
Date: Thu Nov 14 2019 - 05:42:28 EST


Now the USB gadget subsystem can use the USB debugfs root directory,
so move it's directory from the root of the debugfs filesystem into
the root of usb

Signed-off-by: Chunfeng Yun <chunfeng.yun@xxxxxxxxxxxx>
---
v3:
1. fix up build error of undefined usb_debug_root

v2:
1. abandon new API usb_debugfs_create_dir(), and use usb_debug_root
---
drivers/usb/gadget/udc/atmel_usba_udc.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/usb/gadget/udc/atmel_usba_udc.c b/drivers/usb/gadget/udc/atmel_usba_udc.c
index 86ffc8307864..48027e486e6b 100644
--- a/drivers/usb/gadget/udc/atmel_usba_udc.c
+++ b/drivers/usb/gadget/udc/atmel_usba_udc.c
@@ -18,6 +18,7 @@
#include <linux/platform_device.h>
#include <linux/regmap.h>
#include <linux/ctype.h>
+#include <linux/usb.h>
#include <linux/usb/ch9.h>
#include <linux/usb/gadget.h>
#include <linux/delay.h>
@@ -226,7 +227,7 @@ static void usba_init_debugfs(struct usba_udc *udc)
struct dentry *root;
struct resource *regs_resource;

- root = debugfs_create_dir(udc->gadget.name, NULL);
+ root = debugfs_create_dir(udc->gadget.name, usb_debug_root);
udc->debugfs_root = root;

regs_resource = platform_get_resource(udc->pdev, IORESOURCE_MEM,
--
2.23.0