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Subject[PATCH v1 06/15] auxdisplay: linedisp: Move exported symbols to a namespace
Date
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@linux.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@protonic.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@mips.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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