From a20bb37734b498ea8b971714723d3749122e2f75 Mon Sep 17 00:00:00 2001
From: kettenis <kettenis@openbsd.org>
Date: Mon, 31 Jul 2023 09:00:43 +0000
Subject: [PATCH] Make the RSB interface optional such that we can use this
 driver in kernels without the sxirsb(4) driver.

ok uaa@
---
 sys/dev/fdt/axppmic.c | 8 +++++++-
 sys/dev/fdt/files.fdt | 4 ++--
 2 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/sys/dev/fdt/axppmic.c b/sys/dev/fdt/axppmic.c
index 99ccc624974..2a2d9d9ddfe 100644
--- a/sys/dev/fdt/axppmic.c
+++ b/sys/dev/fdt/axppmic.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: axppmic.c,v 1.17 2023/07/06 20:02:36 uaa Exp $	*/
+/*	$OpenBSD: axppmic.c,v 1.18 2023/07/31 09:00:43 kettenis Exp $	*/
 /*
  * Copyright (c) 2017 Mark Kettenis <kettenis@openbsd.org>
  *
@@ -438,6 +438,10 @@ axppmic_i2c_write(struct axppmic_softc *sc, uint8_t reg, uint8_t value)
 
 /* RSB interface */
 
+#include "sxirsb.h"
+
+#if NSXIRSB > 0
+
 int	axppmic_rsb_match(struct device *, void *, void *);
 void	axppmic_rsb_attach(struct device *, struct device *, void *);
 
@@ -489,6 +493,8 @@ axppmic_rsb_write(struct axppmic_softc *sc, uint8_t reg, uint8_t value)
 	rsb_write_1(sc->sc_cookie, sc->sc_addr, reg, value);
 }
 
+#endif
+
 /* Common code */
 
 void	axppmic_attach_node(struct axppmic_softc *, int);
diff --git a/sys/dev/fdt/files.fdt b/sys/dev/fdt/files.fdt
index af80b6d33b6..22b5ed8023e 100644
--- a/sys/dev/fdt/files.fdt
+++ b/sys/dev/fdt/files.fdt
@@ -1,4 +1,4 @@
-#	$OpenBSD: files.fdt,v 1.196 2023/07/22 22:43:53 patrick Exp $
+#	$OpenBSD: files.fdt,v 1.197 2023/07/31 09:00:43 kettenis Exp $
 #
 # Config file and device description for machine-independent FDT code.
 # Included by ports that need it.
@@ -48,7 +48,7 @@ file	dev/fdt/sxipio.c		sxipio
 define	rsb {}
 device	sxirsb: rsb
 attach	sxirsb at fdt
-file	dev/fdt/sxirsb.c		sxirsb
+file	dev/fdt/sxirsb.c		sxirsb needs-flag
 
 device	sxipwm
 attach	sxipwm at fdt
-- 
2.20.1