Module Name: src
Committed By: nat
Date: Tue Aug 8 16:29:00 UTC 2023
Modified Files:
src/sys/dev/ic: hd44780_subr.c hd44780var.h
Log Message:
Add a detach function.
To generate a diff of this commit:
cvs rdiff -u -r1.21 -r1.22 src/sys/dev/ic/hd44780_subr.c
cvs rdiff -u -r1.8 -r1.9 src/sys/dev/ic/hd44780var.h
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/dev/ic/hd44780_subr.c
diff -u src/sys/dev/ic/hd44780_subr.c:1.21 src/sys/dev/ic/hd44780_subr.c:1.22
--- src/sys/dev/ic/hd44780_subr.c:1.21 Sat Nov 13 13:52:01 2010
+++ src/sys/dev/ic/hd44780_subr.c Tue Aug 8 16:29:00 2023
@@ -1,4 +1,4 @@
-/* $NetBSD: hd44780_subr.c,v 1.21 2010/11/13 13:52:01 uebayasi Exp $ */
+/* $NetBSD: hd44780_subr.c,v 1.22 2023/08/08 16:29:00 nat Exp $ */
/*
* Copyright (c) 2002 Dennis I. Chernoivanov
@@ -32,7 +32,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: hd44780_subr.c,v 1.21 2010/11/13 13:52:01 uebayasi Exp $");
+__KERNEL_RCSID(0, "$NetBSD: hd44780_subr.c,v 1.22 2023/08/08 16:29:00 nat Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@@ -393,6 +393,15 @@ hd44780_attach_subr(struct hd44780_chip
callout_setfunc(&sc->redraw, hlcd_redraw, sc);
}
+void hd44780_detach(struct hd44780_chip *sc)
+{
+ callout_stop(&sc->redraw);
+ callout_destroy(&sc->redraw);
+
+ if (sc->sc_screen.image)
+ free(sc->sc_screen.image, M_DEVBUF);
+}
+
int hd44780_init(struct hd44780_chip *sc)
{
int ret;
Index: src/sys/dev/ic/hd44780var.h
diff -u src/sys/dev/ic/hd44780var.h:1.8 src/sys/dev/ic/hd44780var.h:1.9
--- src/sys/dev/ic/hd44780var.h:1.8 Sun Sep 6 06:01:00 2015
+++ src/sys/dev/ic/hd44780var.h Tue Aug 8 16:29:00 2023
@@ -1,4 +1,4 @@
-/* $NetBSD: hd44780var.h,v 1.8 2015/09/06 06:01:00 dholland Exp $ */
+/* $NetBSD: hd44780var.h,v 1.9 2023/08/08 16:29:00 nat Exp $ */
/*
* Copyright (c) 2002 Dennis I. Chernoivanov
@@ -136,6 +136,7 @@ struct hd44780_chip {
(sc)->sc_readreg((sc), (en), 1)
void hd44780_attach_subr(struct hd44780_chip *);
+void hd44780_detach(struct hd44780_chip *);
void hd44780_busy_wait(struct hd44780_chip *, uint32_t);
int hd44780_init(struct hd44780_chip *);
int hd44780_chipinit(struct hd44780_chip *, uint32_t);
