Module Name:    src
Committed By:   jmcneill
Date:           Sat Nov  5 17:30:07 UTC 2022

Modified Files:
        src/sys/arch/arm/fdt: a9ptmr_fdt.c

Log Message:
Handle speed change events


To generate a diff of this commit:
cvs rdiff -u -r1.6 -r1.7 src/sys/arch/arm/fdt/a9ptmr_fdt.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/sys/arch/arm/fdt/a9ptmr_fdt.c
diff -u src/sys/arch/arm/fdt/a9ptmr_fdt.c:1.6 src/sys/arch/arm/fdt/a9ptmr_fdt.c:1.7
--- src/sys/arch/arm/fdt/a9ptmr_fdt.c:1.6	Tue Nov  1 11:05:18 2022
+++ src/sys/arch/arm/fdt/a9ptmr_fdt.c	Sat Nov  5 17:30:06 2022
@@ -1,4 +1,4 @@
-/* $NetBSD: a9ptmr_fdt.c,v 1.6 2022/11/01 11:05:18 jmcneill Exp $ */
+/* $NetBSD: a9ptmr_fdt.c,v 1.7 2022/11/05 17:30:06 jmcneill Exp $ */
 
 /*-
  * Copyright (c) 2019 The NetBSD Foundation, Inc.
@@ -30,7 +30,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: a9ptmr_fdt.c,v 1.6 2022/11/01 11:05:18 jmcneill Exp $");
+__KERNEL_RCSID(0, "$NetBSD: a9ptmr_fdt.c,v 1.7 2022/11/05 17:30:06 jmcneill Exp $");
 
 #include <sys/param.h>
 #include <sys/bus.h>
@@ -50,6 +50,7 @@ static int	a9ptmr_fdt_match(device_t, cf
 static void	a9ptmr_fdt_attach(device_t, device_t, void *);
 
 static void	a9ptmr_fdt_cpu_hatch(void *, struct cpu_info *);
+static void	a9ptmr_fdt_speed_changed(device_t);
 
 struct a9ptmr_fdt_softc {
 	device_t	sc_dev;
@@ -144,6 +145,8 @@ a9ptmr_fdt_attach(device_t parent, devic
 		arm_fdt_cpu_hatch_register(self, a9ptmr_fdt_cpu_hatch);
 		arm_fdt_timer_register(a9ptmr_cpu_initclocks);
 	}
+
+	pmf_event_register(self, PMFE_SPEED_CHANGED, a9ptmr_fdt_speed_changed, true);
 }
 
 static void
@@ -151,3 +154,16 @@ a9ptmr_fdt_cpu_hatch(void *priv, struct 
 {
 	a9ptmr_init_cpu_clock(ci);
 }
+
+static void
+a9ptmr_fdt_speed_changed(device_t dev)
+{
+	struct a9ptmr_fdt_softc * const sc = device_private(dev);
+	prop_dictionary_t dict = device_properties(dev);
+	uint32_t rate;
+
+	rate = clk_get_rate(sc->sc_clk);
+	prop_dictionary_set_uint32(dict, "frequency", rate);
+
+	a9ptmr_update_freq(rate);
+}

Reply via email to