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auxdisplay: hd44780: Introduce hd44780_common_free()

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Introduce hd44780_common_free() for symmetrical operation
to hd44780_common_alloc(). It will allow to modify both
in the future without touching the users.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org>
This commit is contained in:
Andy Shevchenko
2025-02-24 19:27:40 +02:00
parent 68917dfc6b
commit d5c7c273d2
2 changed files with 8 additions and 0 deletions
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6
drivers/auxdisplay/hd44780_common.c
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@@ -366,5 +366,11 @@ struct hd44780_common *hd44780_common_alloc(void)
}
EXPORT_SYMBOL_GPL(hd44780_common_alloc);
void hd44780_common_free(struct hd44780_common *hd)
{
kfree(hd);
}
EXPORT_SYMBOL_GPL(hd44780_common_free);
MODULE_DESCRIPTION("Common functions for HD44780 (and compatibles) LCD displays");
MODULE_LICENSE("GPL");

2
drivers/auxdisplay/hd44780_common.h
View File

@@ -30,4 +30,6 @@ int hd44780_common_blink(struct charlcd *lcd, enum charlcd_onoff on);
int hd44780_common_fontsize(struct charlcd *lcd, enum charlcd_fontsize size);
int hd44780_common_lines(struct charlcd *lcd, enum charlcd_lines lines);
int hd44780_common_redefine_char(struct charlcd *lcd, char *esc);
struct hd44780_common *hd44780_common_alloc(void);
void hd44780_common_free(struct hd44780_common *hd);