From: Neil Armstrong <narmstrong@baylibre.com>
Date: Fri, 19 Feb 2021 07:31:47 +0000 (+0100)
Subject: button: add udevice forward declaration
X-Git-Url: http://git.dujemihanovic.xyz/img/static/git-logo.png?a=commitdiff_plain;h=2d339efb1ff941705a770e93494427912689ce18;p=u-boot.git

button: add udevice forward declaration

After 401d1c4f5d2d ("common: Drop asm/global_data.h from common header")
build fails with :

drivers/button/button-uclass.c:13:5: error: conflicting types for 'button_get_by_label'
int button_get_by_label(const char *label, struct udevice **devp)
    ^~~~~~~~~~~~~~~~~~~

Adding struct udevice forward declaration in button.h solves the build error.

Fixes: 401d1c4f5d2d ("common: Drop asm/global_data.h from common header")
Suggested-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
---

diff --git a/include/button.h b/include/button.h
index 688b63b082..ee14fadf0c 100644
--- a/include/button.h
+++ b/include/button.h
@@ -6,6 +6,8 @@
 #ifndef __BUTTON_H
 #define __BUTTON_H
 
+struct udevice;
+
 /**
  * struct button_uc_plat - Platform data the uclass stores about each device
  *