[01/30] usb: mtu3: mtu3_debug: Add forward declaration of 'struct ssusb_mtk'

Commit Message

Lee Jones July 3, 2020, 5:41 p.m. UTC

Without it, the build system complains that it was declared inside
the parameter list.

Fixes the following W=1 kernel build warning(s):

 In file included from drivers/usb/mtu3/mtu3_trace.c:11:
 drivers/usb/mtu3/mtu3_debug.h:29:36: warning: ‘struct ssusb_mtk’ declared inside parameter list will not be visible outside of this definition or declaration
 29 | void ssusb_dev_debugfs_init(struct ssusb_mtk *ssusb);
 | ^~~~~~~~~
 drivers/usb/mtu3/mtu3_debug.h:30:35: warning: ‘struct ssusb_mtk’ declared inside parameter list will not be visible outside of this definition or declaration
 30 | void ssusb_dr_debugfs_init(struct ssusb_mtk *ssusb);
 | ^~~~~~~~~
 drivers/usb/mtu3/mtu3_debug.h:31:39: warning: ‘struct ssusb_mtk’ declared inside parameter list will not be visible outside of this definition or declaration
 31 | void ssusb_debugfs_create_root(struct ssusb_mtk *ssusb);
 | ^~~~~~~~~
 drivers/usb/mtu3/mtu3_debug.h:32:39: warning: ‘struct ssusb_mtk’ declared inside parameter list will not be visible outside of this definition or declaration
 32 | void ssusb_debugfs_remove_root(struct ssusb_mtk *ssusb);
 | ^~~~~~~~~

Cc: Chunfeng Yun <[e-mail]>
Cc: [e-mail]
Signed-off-by: Lee Jones <[e-mail]>
---
 drivers/usb/mtu3/mtu3_debug.h | 2 ++
 1 file changed, 2 insertions(+)

Patch

diff --git a/drivers/usb/mtu3/mtu3_debug.h b/drivers/usb/mtu3/mtu3_debug.h
index fb6b28277c9b1..3084c46017c37 100644
--- a/drivers/usb/mtu3/mtu3_debug.h
+++ b/drivers/usb/mtu3/mtu3_debug.h
@@ -12,6 +12,8 @@ 
 
 #include <linux/debugfs.h>
 
+struct ssusb_mtk;
+
 #define MTU3_DEBUGFS_NAME_LEN 32
 
 struct mtu3_regset {