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Message-ID: <20240208165937.2221193-7-andriy.shevchenko@linux.intel.com>
Date: Thu,  8 Feb 2024 18:58:49 +0200
From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc: Miguel Ojeda <ojeda@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Robin van der Gracht <robin@...tonic.nl>,
	Paul Burton <paulburton@...nel.org>,
	Geert Uytterhoeven <geert+renesas@...der.be>
Subject: [PATCH v1 06/15] auxdisplay: linedisp: Move exported symbols to a namespace

Avoid unnecessary pollution of the global symbol namespace by
moving library functions in to a specific namespace and import
that into the drivers that make use of the functions.

For more info: https://lwn.net/Articles/760045/

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
 drivers/auxdisplay/ht16k33.c       | 1 +
 drivers/auxdisplay/img-ascii-lcd.c | 1 +
 drivers/auxdisplay/line-display.c  | 4 ++--
 3 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/auxdisplay/ht16k33.c b/drivers/auxdisplay/ht16k33.c
index a90430b7d07b..c6a42c5c128f 100644
--- a/drivers/auxdisplay/ht16k33.c
+++ b/drivers/auxdisplay/ht16k33.c
@@ -831,4 +831,5 @@ module_i2c_driver(ht16k33_driver);
 
 MODULE_DESCRIPTION("Holtek HT16K33 driver");
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(LINEDISP);
 MODULE_AUTHOR("Robin van der Gracht <robin@...tonic.nl>");
diff --git a/drivers/auxdisplay/img-ascii-lcd.c b/drivers/auxdisplay/img-ascii-lcd.c
index 09014ada38bd..c571e54d9eb5 100644
--- a/drivers/auxdisplay/img-ascii-lcd.c
+++ b/drivers/auxdisplay/img-ascii-lcd.c
@@ -298,3 +298,4 @@ module_platform_driver(img_ascii_lcd_driver);
 MODULE_DESCRIPTION("Imagination Technologies ASCII LCD Display");
 MODULE_AUTHOR("Paul Burton <paul.burton@...s.com>");
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(LINEDISP);
diff --git a/drivers/auxdisplay/line-display.c b/drivers/auxdisplay/line-display.c
index 6b3d25e20eeb..851b2c0f9443 100644
--- a/drivers/auxdisplay/line-display.c
+++ b/drivers/auxdisplay/line-display.c
@@ -263,7 +263,7 @@ int linedisp_register(struct linedisp *linedisp, struct device *parent,
 	put_device(&linedisp->dev);
 	return err;
 }
-EXPORT_SYMBOL_GPL(linedisp_register);
+EXPORT_SYMBOL_NS_GPL(linedisp_register, LINEDISP);
 
 /**
  * linedisp_unregister - unregister a character line display
@@ -276,6 +276,6 @@ void linedisp_unregister(struct linedisp *linedisp)
 	del_timer_sync(&linedisp->timer);
 	put_device(&linedisp->dev);
 }
-EXPORT_SYMBOL_GPL(linedisp_unregister);
+EXPORT_SYMBOL_NS_GPL(linedisp_unregister, LINEDISP);
 
 MODULE_LICENSE("GPL");
-- 
2.43.0.rc1.1.gbec44491f096


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