linux-kernel - [PATCH v1 2/2] auxdisplay: charlcd: Provide a forward declaration

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Date: Tue,  9 Apr 2024 19:14:45 +0300
From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
	linux-kernel@...r.kernel.org
Cc: Andy Shevchenko <andy@...nel.org>,
	Geert Uytterhoeven <geert@...ux-m68k.org>
Subject: [PATCH v1 2/2] auxdisplay: charlcd: Provide a forward declaration

While there is no compilation error, strictly speaking compiler
should know about used types beforehand. Provide a forward decration
for struct charlcd_ops before using it in struct charlcd.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
 drivers/auxdisplay/charlcd.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/auxdisplay/charlcd.h b/drivers/auxdisplay/charlcd.h
index eed80063a6d2..4d4287209d04 100644
--- a/drivers/auxdisplay/charlcd.h
+++ b/drivers/auxdisplay/charlcd.h
@@ -36,6 +36,8 @@ enum charlcd_lines {
 	CHARLCD_LINES_2,
 };
 
+struct charlcd_ops;
+
 struct charlcd {
 	const struct charlcd_ops *ops;
 	const unsigned char *char_conv;	/* Optional */
-- 
2.43.0.rc1.1.gbec44491f096